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  1. Article ; Online: Strangeness enhancement in Cu-Cu and Au-Au collisions at √S(NN)=200 GeV.

    Agakishiev, G / Aggarwal, M M / Ahammed, Z / Alakhverdyants, A V / Alekseev, I / Alford, J / Anderson, B D / Anson, C D / Arkhipkin, D / Averichev, G S / Balewski, J / Barnby, L S / Beavis, D R / Behera, N K / Bellwied, R / Betancourt, M J / Betts, R R / Bhasin, A / Bhati, A K /
    Bichsel, H / Bielcik, J / Bielcikova, J / Bland, L C / Bordyuzhin, I G / Borowski, W / Bouchet, J / Braidot, E / Brandin, A V / Bridgeman, A / Brovko, S G / Bruna, E / Bueltmann, S / Bunzarov, I / Burton, T P / Cai, X Z / Caines, H / Sánchez, M Calderón de la Barca / Cebra, D / Cendejas, R / Cervantes, M C / Chaloupka, P / Chattopadhyay, S / Chen, H F / Chen, J H / Chen, J Y / Chen, L / Cheng, J / Cherney, M / Chikanian, A / Choi, K E / Christie, W / Chung, P / Codrington, M J M / Corliss, R / Cramer, J G / Crawford, H J / Cui, X / Leyva, A Davila / De Silva, L C / Debbe, R R / Dedovich, T G / Deng, J / Derevschikov, A A / de Souza, R Derradi / Didenko, L / Djawotho, P / Dogra, S M / Dong, X / Drachenberg, J L / Draper, J E / Du, C M / Dunlop, J C / Efimov, L G / Elnimr, M / Engelage, J / Eppley, G / Estienne, M / Eun, L / Evdokimov, O / Fatemi, R / Fedorisin, J / Fersch, R G / Filip, P / Finch, E / Fine, V / Fisyak, Y / Gagliardi, C A / Gangadharan, D R / Geurts, F / Ghosh, P / Gorbunov, Y N / Gordon, A / Grebenyuk, O G / Grosnick, D / Gupta, A / Gupta, S / Guryn, W / Haag, B / Hajkova, O / Hamed, A / Han, L-X / Harris, J W / Hays-Wehle, J P / Heinz, M / Heppelmann, S / Hirsch, A / Hjort, E / Hoffmann, G W / Hofman, D J / Huang, B / Huang, H Z / Humanic, T J / Huo, L / Igo, G / Jacobs, P / Jacobs, W W / Jena, C / Jin, F / Jones, P G / Joseph, J / Judd, E G / Kabana, S / Kang, K / Kapitan, J / Kauder, K / Ke, H W / Keane, D / Kechechyan, A / Kettler, D / Kikola, D P / Kiryluk, J / Kisiel, A / Kizka, V / Klein, S R / Knospe, A G / Koetke, D D / Kollegger, T / Konzer, J / Koralt, I / Koroleva, L / Korsch, W / Kotchenda, L / Kouchpil, V / Kravtsov, P / Krueger, K / Krus, M / Kumar, L / Lamont, M A C / Landgraf, J M / LaPointe, S / Lauret, J / Lebedev, A / Lednicky, R / Lee, J H / Leight, W / LeVine, M J / Li, C / Li, L / Li, N / Li, W / Li, X / Li, Y / Li, Z M / Lima, L M / Lisa, M A / Liu, F / Liu, H / Liu, J / Ljubicic, T / Llope, W J / Longacre, R S / Lu, Y / Lukashov, E V / Luo, X / Ma, G L / Ma, Y G / Mahapatra, D P / Majka, R / Mall, O I / Manweiler, R / Margetis, S / Markert, C / Masui, H / Matis, H S / McDonald, D / McShane, T S / Meschanin, A / Milner, R / Minaev, N G / Mioduszewski, S / Mitrovski, M K / Mohammed, Y / Mohanty, B / Mondal, M M / Morozov, B / Morozov, D A / Munhoz, M G / Mustafa, M K / Naglis, M / Nandi, B K / Nayak, T K / Nelson, J M / Nogach, L V / Nurushev, S B / Odyniec, G / Ogawa, A / Oh, K / Ohlson, A / Okorokov, V / Oldag, E W / Oliveira, R A N / Olson, D / Pachr, M / Page, B S / Pal, S K / Pandit, Y / Panebratsev, Y / Pawlak, T / Pei, H / Peitzmann, T / Perkins, C / Peryt, W / Pile, P / Planinic, M / Ploskon, M A / Pluta, J / Plyku, D / Poljak, N / Porter, J / Poskanzer, A M / Potukuchi, B V K S / Powell, C B / Prindle, D / Pruneau, C / Pruthi, N K / Pujahari, P R / Putschke, J / Qiu, H / Raniwala, R / Raniwala, S / Ray, R L / Redwine, R / Reed, R / Ritter, H G / Roberts, J B / Rogachevskiy, O V / Romero, J L / Ruan, L / Rusnak, J / Sahoo, N R / Sakrejda, I / Salur, S / Sandweiss, J / Sangaline, E / Sarkar, A / Schambach, J / Scharenberg, R P / Schaub, J / Schmah, A M / Schmitz, N / Schuster, T R / Seele, J / Seger, J / Selyuzhenkov, I / Seyboth, P / Shah, N / Shahaliev, E / Shao, M / Sharma, M / Shi, S S / Shou, Q Y / Sichtermann, E P / Simon, F / Singaraju, R N / Skoby, M J / Smirnov, N / Solanki, D / Sorensen, P / deSouza, U G / Spinka, H M / Srivastava, B / Stanislaus, T D S / Steadman, S G / Stevens, J R / Stock, R / Strikhanov, M / Stringfellow, B / Suaide, A A P / Suarez, M C / Subba, N L / Sumbera, M / Sun, X M / Sun, Y / Sun, Z / Surrow, B / Svirida, D N / Symons, T J M / de Toledo, A Szanto / Takahashi, J / Tang, A H / Tang, Z / Tarini, L H / Tarnowsky, T / Thein, D / Thomas, J H / Tian, J / Timmins, A R / Tlusty, D / Tokarev, M / Trainor, T A / Trentalange, S / Tribble, R E / Tribedy, P / Trzeciak, B A / Tsai, O D / Ullrich, T / Underwood, D G / Van Buren, G / van Nieuwenhuizen, G / Vanfossen, J A / Varma, R / Vasconcelos, G M S / Vasiliev, A N / Videbæk, F / Viyogi, Y P / Vokal, S / Voloshin, S A / Wada, M / Walker, M / Wang, F / Wang, G / Wang, H / Wang, J S / Wang, Q / Wang, X L / Wang, Y / Webb, G / Webb, J C / Westfall, G D / Whitten, C / Wieman, H / Wissink, S W / Witt, R / Witzke, W / Wu, Y F / Xiao, Z / Xie, W / Xu, H / Xu, N / Xu, Q H / Xu, W / Xu, Y / Xu, Z / Xue, L / Yang, Y / Yepes, P / Yip, K / Yoo, I-K / Zawisza, M / Zbroszczyk, H / Zhan, W / Zhang, J B / Zhang, S / Zhang, W M / Zhang, X P / Zhang, Y / Zhang, Z P / Zhao, F / Zhao, J / Zhong, C / Zhu, X / Zhu, Y H / Zoulkarneeva, Y

    Physical review letters

    2012  Volume 108, Issue 7, Page(s) 72301

    Abstract: We report new STAR measurements of midrapidity yields for the Λ, Λ[over ¯], K(S)(0), Ξ(-), Ξ[over ¯](+), Ω(-), Ω[over ¯](+) particles in Cu+Cu collisions at √S(NN)==200  GeV, and midrapidity yields for the Λ, Λ[over ¯], K(S)(0) particles in Au+Au at √S( ... ...

    Abstract We report new STAR measurements of midrapidity yields for the Λ, Λ[over ¯], K(S)(0), Ξ(-), Ξ[over ¯](+), Ω(-), Ω[over ¯](+) particles in Cu+Cu collisions at √S(NN)==200  GeV, and midrapidity yields for the Λ, Λ[over ¯], K(S)(0) particles in Au+Au at √S(NN)==200  GeV. We show that, at a given number of participating nucleons, the production of strange hadrons is higher in Cu+Cu collisions than in Au+Au collisions at the same center-of-mass energy. We find that aspects of the enhancement factors for all particles can be described by a parametrization based on the fraction of participants that undergo multiple collisions.
    Language English
    Publishing date 2012-02-17
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.108.072301
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Measurement of the parity-violating longitudinal single-spin asymmetry for W± boson production in polarized proton-proton collisions at sqrt[s] = 500 GeV.

    Aggarwal, M M / Ahammed, Z / Alakhverdyants, A V / Alekseev, I / Alford, J / Anderson, B D / Anson, C D / Arkhipkin, D / Averichev, G S / Balewski, J / Beavis, D R / Bellwied, R / Betancourt, M J / Betts, R R / Bhasin, A / Bhati, A K / Bichsel, H / Bielcik, J / Bielcikova, J /
    Biritz, B / Bland, L C / Borowski, W / Bouchet, J / Braidot, E / Brandin, A V / Bridgeman, A / Brovko, S G / Bruna, E / Bueltmann, S / Bunzarov, I / Burton, T P / Cai, X Z / Caines, H / Calderón de la Barca Sánchez, M / Cebra, D / Cendejas, R / Cervantes, M C / Chajecki, Z / Chaloupka, P / Chattopadhyay, S / Chen, H F / Chen, J H / Chen, J Y / Cheng, J / Cherney, M / Chikanian, A / Choi, K E / Christie, W / Chung, P / Codrington, M J M / Corliss, R / Cramer, J G / Crawford, H J / Dash, S / Davila Leyva, A / De Silva, L C / Debbe, R R / Dedovich, T G / Derevschikov, A A / Derradi de Souza, R / Didenko, L / Djawotho, P / Dogra, S M / Dong, X / Drachenberg, J L / Draper, J E / Dunlop, J C / Dutta Mazumdar, M R / Efimov, L G / Elnimr, M / Engelage, J / Eppley, G / Erazmus, B / Estienne, M / Eun, L / Evdokimov, O / Fatemi, R / Fedorisin, J / Fersch, R G / Finch, E / Fine, V / Fisyak, Y / Gagliardi, C A / Gangadharan, D R / Ganti, M S / Geromitsos, A / Geurts, F / Ghosh, P / Gorbunov, Y N / Gordon, A / Grebenyuk, O / Grosnick, D / Guertin, S M / Gupta, A / Guryn, W / Haag, B / Hamed, A / Han, L-X / Harris, J W / Hays-Wehle, J P / Heinz, M / Heppelmann, S / Hirsch, A / Hjort, E / Hoffmann, G W / Hofman, D J / Huang, B / Huang, H Z / Humanic, T J / Huo, L / Igo, G / Jacobs, P / Jacobs, W W / Jena, C / Jin, F / Joseph, J / Judd, E G / Kabana, S / Kang, K / Kapitan, J / Kauder, K / Keane, D / Kechechyan, A / Kettler, D / Kikola, D P / Kiryluk, J / Kisiel, A / Kizka, V / Klein, S R / Knospe, A G / Kocoloski, A / Koetke, D D / Kollegger, T / Konzer, J / Koralt, I / Koroleva, L / Korsch, W / Kotchenda, L / Kouchpil, V / Kravtsov, P / Krueger, K / Krus, M / Kumar, L / Kurnadi, P / Lamont, M A C / Landgraf, J M / LaPointe, S / Lauret, J / Lebedev, A / Lednicky, R / Lee, C-H / Lee, J H / Leight, W / LeVine, M J / Li, C / Li, L / Li, N / Li, W / Li, X / Li, Y / Li, Z M / Lisa, M A / Liu, F / Liu, H / Liu, J / Ljubicic, T / Llope, W J / Longacre, R S / Love, W A / Lu, Y / Lukashov, E V / Luo, X / Ma, G L / Ma, Y G / Mahapatra, D P / Majka, R / Mall, O I / Mangotra, L K / Manweiler, R / Margetis, S / Markert, C / Masui, H / Matis, H S / Matulenko, Yu A / McDonald, D / McShane, T S / Meschanin, A / Milner, R / Minaev, N G / Mioduszewski, S / Mischke, A / Mitrovski, M K / Mohanty, B / Mondal, M M / Morozov, B / Morozov, D A / Munhoz, M G / Naglis, M / Nandi, B K / Nayak, T K / Netrakanti, P K / Ng, M J / Nogach, L V / Nurushev, S B / Odyniec, G / Ogawa, A / Ohlson, A / Okorokov, V / Oldag, E W / Olson, D / Pachr, M / Page, B S / Pal, S K / Pandit, Y / Panebratsev, Y / Pawlak, T / Peitzmann, T / Perkins, C / Peryt, W / Phatak, S C / Pile, P / Planinic, M / Ploskon, M A / Pluta, J / Plyku, D / Poljak, N / Poskanzer, A M / Potukuchi, B V K S / Powell, C B / Prindle, D / Pruneau, C / Pruthi, N K / Pujahari, P R / Putschke, J / Qiu, H / Raniwala, R / Raniwala, S / Ray, R L / Redwine, R / Reed, R / Ritter, H G / Roberts, J B / Rogachevskiy, O V / Romero, J L / Rose, A / Ruan, L / Sakai, S / Sakrejda, I / Sakuma, T / Salur, S / Sandweiss, J / Sangaline, E / Schambach, J / Scharenberg, R P / Schmah, A M / Schmitz, N / Schuster, T R / Seele, J / Seger, J / Selyuzhenkov, I / Seyboth, P / Shahaliev, E / Shao, M / Sharma, M / Shi, S S / Sichtermann, E P / Simon, F / Singaraju, R N / Skoby, M J / Smirnov, N / Sorensen, P / Spinka, H M / Srivastava, B / Stanislaus, T D S / Staszak, D / Stevens, J R / Stock, R / Strikhanov, M / Stringfellow, B / Suaide, A A P / Suarez, M C / Subba, N L / Sumbera, M / Sun, X M / Sun, Y / Sun, Z / Surrow, B / Svirida, D N / Symons, T J M / Szanto de Toledo, A / Takahashi, J / Tang, A H / Tang, Z / Tarini, L H / Tarnowsky, T / Thein, D / Thomas, J H / Tian, J / Timmins, A R / Timoshenko, S / Tlusty, D / Tokarev, M / Trainor, T A / Tram, V N / Trentalange, S / Tribble, R E / Tsai, O D / Ullrich, T / Underwood, D G / Van Buren, G / van Leeuwen, M / van Nieuwenhuizen, G / Vanfossen, J A / Varma, R / Vasconcelos, G M S / Vasiliev, A N / Videbæk, F / Viyogi, Y P / Vokal, S / Voloshin, S A / Wada, M / Walker, M / Wang, F / Wang, G / Wang, H / Wang, J S / Wang, Q / Wang, X L / Wang, Y / Webb, G / Webb, J C / Westfall, G D / Whitten, C / Wieman, H / Wissink, S W / Witt, R / Wu, Y F / Xie, W / Xu, H / Xu, N / Xu, Q H / Xu, W / Xu, Y / Xu, Z / Xue, L / Yang, Y / Yepes, P / Yip, K / Yoo, I-K / Yue, Q / Zawisza, M / Zbroszczyk, H / Zhan, W / Zhang, J B / Zhang, S / Zhang, W M / Zhang, X P / Zhang, Y / Zhang, Z P / Zhao, J / Zhong, C / Zhou, W / Zhu, X / Zhu, Y H / Zoulkarneev, R / Zoulkarneeva, Y

    Physical review letters

    2011  Volume 106, Issue 6, Page(s) 62002

    Abstract: We report the first measurement of the parity-violating single-spin asymmetries for midrapidity decay positrons and electrons from W+ and W- boson production in longitudinally polarized proton-proton collisions at sqrt[s] = 500 GeV by the STAR experiment ...

    Abstract We report the first measurement of the parity-violating single-spin asymmetries for midrapidity decay positrons and electrons from W+ and W- boson production in longitudinally polarized proton-proton collisions at sqrt[s] = 500 GeV by the STAR experiment at RHIC. The measured asymmetries, A(L)(W+) = -0.27 ± 0.10(stat.) ± 0.02(syst.) ± 0.03(norm.) and A(L)(W-) = 0.14 ± 0.19(stat.) ± 0.02(syst.) ± 0.01(norm.), are consistent with theory predictions, which are large and of opposite sign. These predictions are based on polarized quark and antiquark distribution functions constrained by polarized deep-inelastic scattering measurements.
    Language English
    Publishing date 2011-02-11
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.106.062002
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Three-particle coincidence of the long range pseudorapidity correlation in high energy nucleus-nucleus collisions.

    Abelev, B I / Aggarwal, M M / Ahammed, Z / Alakhverdyants, A V / Anderson, B D / Arkhipkin, D / Averichev, G S / Balewski, J / Barannikova, O / Barnby, L S / Baumgart, S / Beavis, D R / Bellwied, R / Betancourt, M J / Betts, R R / Bhasin, A / Bhati, A K / Bichsel, H / Bielcik, J /
    Bielcikova, J / Biritz, B / Bland, L C / Bnzarov, I / Bonner, B E / Bouchet, J / Braidot, E / Brandin, A V / Bridgeman, A / Bruna, E / Bueltmann, S / Burton, T P / Cai, X Z / Caines, H / Calderón de la Barca Sánchez, M / Catu, O / Cebra, D / Cendejas, R / Cervantes, M C / Chajecki, Z / Chaloupka, P / Chattopadhyay, S / Chen, H F / Chen, J H / Chen, J Y / Cheng, J / Cherney, M / Chikanian, A / Choi, K E / Christie, W / Chung, P / Clarke, R F / Codrington, M J M / Corliss, R / Cramer, J G / Crawford, H J / Das, D / Dash, S / Davila Leyva, A / De Silva, L C / Debbe, R R / Dedovich, T G / DePhillips, M / Derevschikov, A A / Derradi de Souza, R / Didenko, L / Djawotho, P / Dogra, S M / Dong, X / Drachenberg, J L / Draper, J E / Dunlop, J C / Dutta Mazumdar, M R / Efimov, L G / Elhalhuli, E / Elnimr, M / Engelage, J / Eppley, G / Erazmus, B / Estienne, M / Eun, L / Fachini, P / Fatemi, R / Fedorisin, J / Fersch, R G / Filip, P / Finch, E / Fine, V / Fisyak, Y / Gagliardi, C A / Gangadharan, D R / Ganti, M S / Garcia-Solis, E J / Geromitsos, A / Geurts, F / Ghazikhanian, V / Ghosh, P / Gorbunov, Y N / Gordon, A / Grebenyuk, O / Grosnick, D / Grube, B / Guertin, S M / Gupta, A / Gupta, N / Guryn, W / Haag, B / Hallman, T J / Hamed, A / Han, L-X / Harris, J W / Hays-Wehle, J P / Heinz, M / Heppelmann, S / Hirsch, A / Hjort, E / Hoffman, A M / Hoffmann, G W / Hofman, D J / Hollis, R S / Huang, H Z / Humanic, T J / Huo, L / Igo, G / Iordanova, A / Jacobs, P / Jacobs, W W / Jakl, P / Jena, C / Jin, F / Jones, C L / Jones, P G / Joseph, J / Judd, E G / Kabana, S / Kajimoto, K / Kang, K / Kapitan, J / Kauder, K / Keane, D / Kechechyan, A / Kettler, D / Khodyrev, V Yu / Kikola, D P / Kiryluk, J / Kisiel, A / Knospe, A G / Kocoloski, A / Koetke, D D / Kollegger, T / Konzer, J / Kopytine, M / Koralt, I / Korsch, W / Kotchenda, L / Kouchpil, V / Kravtsov, P / Kravtsov, V I / Krueger, K / Krus, M / Kumar, L / Kurnadi, P / Lamont, M A C / Landgraf, J M / LaPointe, S / Lauret, J / Lebedev, A / Lednicky, R / Lee, C-H / Lee, J H / Leight, W / LeVine, M J / Li, C / Li, L / Li, N / Li, W / Li, X / Li, Y / Li, Z / Lin, G / Lindenbaum, S J / Lisa, M A / Liu, F / Liu, H / Liu, J / Ljubicic, T / Llope, W J / Longacre, R S / Love, W A / Lu, Y / Ludlam, T / Ma, G L / Ma, Y G / Mahapatra, D P / Majka, R / Mall, O I / Mangotra, L K / Manweiler, R / Margetis, S / Markert, C / Masui, H / Matis, H S / Matulenko, Yu A / McDonald, D / McShane, T S / Meschanin, A / Milner, R / Minaev, N G / Mioduszewski, S / Mischke, A / Mitrovski, M K / Mohanty, B / Morozov, D A / Munhoz, M G / Nandi, B K / Nattrass, C / Nayak, T K / Nelson, J M / Netrakanti, P K / Ng, M J / Nogach, L V / Nurushev, S B / Odyniec, G / Ogawa, A / Okada, H / Okorokov, V / Olson, D / Pachr, M / Page, B S / Pal, S K / Pandit, Y / Panebratsev, Y / Pawlak, T / Peitzmann, T / Perevoztchikov, V / Perkins, C / Peryt, W / Phatak, S C / Pile, P / Planinic, M / Ploskon, M A / Pluta, J / Plyku, D / Poljak, N / Poskanzer, A M / Potukuchi, B V K S / Powell, C B / Prindle, D / Pruneau, C / Pruthi, N K / Pujahari, P R / Putschke, J / Raniwala, R / Raniwala, S / Ray, R L / Redwine, R / Reed, R / Rehberg, J M / Ritter, H G / Roberts, J B / Rogachevskiy, O V / Romero, J L / Rose, A / Roy, C / Ruan, L / Sahoo, R / Sakai, S / Sakrejda, I / Sakuma, T / Salur, S / Sandweiss, J / Sangaline, E / Schambach, J / Scharenberg, R P / Schmitz, N / Schuster, T R / Seele, J / Seger, J / Selyuzhenkov, I / Seyboth, P / Shahaliev, E / Shao, M / Sharma, M / Shi, S S / Sichtermann, E P / Simon, F / Singaraju, R N / Skoby, M J / Smirnov, N / Sorensen, P / Sowinski, J / Spinka, H M / Srivastava, B / Stanislaus, T D S / Staszak, D / Stevens, J R / Stock, R / Strikhanov, M / Stringfellow, B / Suaide, A A P / Suarez, M C / Subba, N L / Sumbera, M / Sun, X M / Sun, Y / Sun, Z / Surrow, B / Symons, T J M / Szanto de Toledo, A / Takahashi, J / Tang, A H / Tang, Z / Tarini, L H / Tarnowsky, T / Thein, D / Thomas, J H / Tian, J / Timmins, A R / Timoshenko, S / Tlusty, D / Tokarev, M / Tram, V N / Trentalange, S / Tribble, R E / Tsai, O D / Ulery, J / Ullrich, T / Underwood, D G / Van Buren, G / van Nieuwenhuizen, G / van Leeuwen, M / Vanfossen, J A / Varma, R / Vasconcelos, G M S / Vasiliev, A N / Videbæk, F / Viyogi, Y P / Vokal, S / Wada, M / Walker, M / Wang, F / Wang, G / Wang, H / Wang, J S / Wang, Q / Wang, X / Wang, X L / Wang, Y / Webb, G / Webb, J C / Westfall, G D / Whitten, C / Wieman, H / Wingfield, E / Wissink, S W / Witt, R / Wu, Y / Xie, W / Xu, N / Xu, Q H / Xu, W / Xu, Y / Xu, Z / Xue, L / Yang, Y / Yepes, P / Yip, K / Yoo, I-K / Yue, Q / Zawisza, M / Zbroszczyk, H / Zhan, W / Zhang, S / Zhang, W M / Zhang, X P / Zhang, Y / Zhang, Z P / Zhao, J / Zhong, C / Zhou, J / Zhou, W / Zhu, X / Zhu, Y-H / Zoulkarneev, R / Zoulkarneeva, Y

    Physical review letters

    2010  Volume 105, Issue 2, Page(s) 22301

    Abstract: We report the first three-particle coincidence measurement in pseudorapidity (Δη) between a high transverse momentum (p⊥) trigger particle and two lower p⊥ associated particles within azimuth |Δϕ|<0.7 in square root of s(NN)=200 GeV d+Au and Au+Au ... ...

    Abstract We report the first three-particle coincidence measurement in pseudorapidity (Δη) between a high transverse momentum (p⊥) trigger particle and two lower p⊥ associated particles within azimuth |Δϕ|<0.7 in square root of s(NN)=200 GeV d+Au and Au+Au collisions. Charge ordering properties are exploited to separate the jetlike component and the ridge (long range Δη correlation). The results indicate that the correlation of ridge particles are uniform not only with respect to the trigger particle but also between themselves event by event in our measured Δη. In addition, the production of the ridge appears to be uncorrelated to the presence of the narrow jetlike component.
    Language English
    Publishing date 2010-07-09
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.105.022301
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Higher moments of net proton multiplicity distributions at RHIC.

    Aggarwal, M M / Ahammed, Z / Alakhverdyants, A V / Alekseev, I / Alford, J / Anderson, B D / Arkhipkin, D / Averichev, G S / Balewski, J / Barnby, L S / Baumgart, S / Beavis, D R / Bellwied, R / Betancourt, M J / Betts, R R / Bhasin, A / Bhati, A K / Bichsel, H / Bielcik, J /
    Bielcikova, J / Biritz, B / Bland, L C / Bonner, B E / Bouchet, J / Braidot, E / Brandin, A V / Bridgeman, A / Bruna, E / Bueltmann, S / Bunzarov, I / Burton, T P / Cai, X Z / Caines, H / Calderón de la Barca Sánchez, M / Catu, O / Cebra, D / Cendejas, R / Cervantes, M C / Chajecki, Z / Chaloupka, P / Chattopadhyay, S / Chen, H F / Chen, J H / Chen, J Y / Cheng, J / Cherney, M / Chikanian, A / Choi, K E / Christie, W / Chung, P / Clarke, R F / Codrington, M J M / Corliss, R / Cramer, J G / Crawford, H J / Das, D / Dash, S / Davila Leyva, A / De Silva, L C / Debbe, R R / Dedovich, T G / Derevschikov, A A / Derradi de Souza, R / Didenko, L / Djawotho, P / Dogra, S M / Dong, X / Drachenberg, J L / Draper, J E / Dunlop, J C / Dutta Mazumdar, M R / Efimov, L G / Elhalhuli, E / Elnimr, M / Engelage, J / Eppley, G / Erazmus, B / Estienne, M / Eun, L / Evdokimov, O / Fachini, P / Fatemi, R / Fedorisin, J / Fersch, R G / Filip, P / Finch, E / Fine, V / Fisyak, Y / Gagliardi, C A / Gangadharan, D R / Ganti, M S / Garcia-Solis, E J / Geromitsos, A / Geurts, F / Ghazikhanian, V / Ghosh, P / Gorbunov, Y N / Gordon, A / Grebenyuk, O / Grosnick, D / Guertin, S M / Gupta, A / Gupta, N / Guryn, W / Haag, B / Hamed, A / Han, L-X / Harris, J W / Hays-Wehle, J P / Heinz, M / Heppelmann, S / Hirsch, A / Hjort, E / Hoffman, A M / Hoffmann, G W / Hofman, D J / Huang, B / Huang, H Z / Humanic, T J / Huo, L / Igo, G / Jacobs, P / Jacobs, W W / Jena, C / Jin, F / Jones, C L / Jones, P G / Joseph, J / Judd, E G / Kabana, S / Kajimoto, K / Kang, K / Kapitan, J / Kauder, K / Keane, D / Kechechyan, A / Kettler, D / Kikola, D P / Kiryluk, J / Kisiel, A / Klein, S R / Knospe, A G / Kocoloski, A / Koetke, D D / Kollegger, T / Konzer, J / Koralt, I / Koroleva, L / Korsch, W / Kotchenda, L / Kouchpil, V / Kravtsov, P / Krueger, K / Krus, M / Kumar, L / Kurnadi, P / Lamont, M A C / Landgraf, J M / LaPointe, S / Lauret, J / Lebedev, A / Lednicky, R / Lee, C-H / Lee, J H / Leight, W / LeVine, M J / Li, C / Li, L / Li, N / Li, W / Li, X / Li, Y / Li, Z M / Lin, G / Lindenbaum, S J / Lisa, M A / Liu, F / Liu, H / Liu, J / Ljubicic, T / Llope, W J / Longacre, R S / Love, W A / Lu, Y / Lukashov, E V / Luo, X / Ma, G L / Ma, Y G / Mahapatra, D P / Majka, R / Mall, O I / Mangotra, L K / Manweiler, R / Margetis, S / Markert, C / Masui, H / Matis, H S / Matulenko, Yu A / McDonald, D / McShane, T S / Meschanin, A / Milner, R / Minaev, N G / Mioduszewski, S / Mischke, A / Mitrovski, M K / Mohanty, B / Mondal, M M / Morozov, B / Morozov, D A / Munhoz, M G / Nandi, B K / Nattrass, C / Nayak, T K / Nelson, J M / Netrakanti, P K / Ng, M J / Nogach, L V / Nurushev, S B / Odyniec, G / Ogawa, A / Okorokov, V / Oldag, E W / Olson, D / Pachr, M / Page, B S / Pal, S K / Pandit, Y / Panebratsev, Y / Pawlak, T / Peitzmann, T / Perevoztchikov, V / Perkins, C / Peryt, W / Phatak, S C / Pile, P / Planinic, M / Ploskon, M A / Pluta, J / Plyku, D / Poljak, N / Poskanzer, A M / Potukuchi, B V K S / Powell, C B / Prindle, D / Pruneau, C / Pruthi, N K / Pujahari, P R / Putschke, J / Qiu, H / Raniwala, R / Raniwala, S / Ray, R L / Redwine, R / Reed, R / Ritter, H G / Roberts, J B / Rogachevskiy, O V / Romero, J L / Rose, A / Roy, C / Ruan, L / Sahoo, R / Sakai, S / Sakrejda, I / Sakuma, T / Salur, S / Sandweiss, J / Sangaline, E / Schambach, J / Scharenberg, R P / Schmitz, N / Schuster, T R / Seele, J / Seger, J / Selyuzhenkov, I / Seyboth, P / Shahaliev, E / Shao, M / Sharma, M / Shi, S S / Sichtermann, E P / Simon, F / Singaraju, R N / Skoby, M J / Smirnov, N / Sorensen, P / Sowinski, J / Spinka, H M / Srivastava, B / Stanislaus, T D S / Staszak, D / Stevens, J R / Stock, R / Strikhanov, M / Stringfellow, B / Suaide, A A P / Suarez, M C / Subba, N L / Sumbera, M / Sun, X M / Sun, Y / Sun, Z / Surrow, B / Svirida, D N / Symons, T J M / Szanto de Toledo, A / Takahashi, J / Tang, A H / Tang, Z / Tarini, L H / Tarnowsky, T / Thein, D / Thomas, J H / Tian, J / Timmins, A R / Timoshenko, S / Tlusty, D / Tokarev, M / Tram, V N / Trentalange, S / Tribble, R E / Tsai, O D / Ulery, J / Ullrich, T / Underwood, D G / Van Buren, G / van Leeuwen, M / van Nieuwenhuizen, G / Vanfossen, J A / Varma, R / Vasconcelos, G M S / Vasiliev, A N / Videbaek, F / Viyogi, Y P / Vokal, S / Voloshin, S A / Wada, M / Walker, M / Wang, F / Wang, G / Wang, H / Wang, J S / Wang, Q / Wang, X L / Wang, Y / Webb, G / Webb, J C / Westfall, G D / Whitten, C / Wieman, H / Wissink, S W / Witt, R / Wu, Y F / Xie, W / Xu, H / Xu, N / Xu, Q H / Xu, W / Xu, Y / Xu, Z / Xue, L / Yang, Y / Yepes, P / Yip, K / Yoo, I-K / Yue, Q / Zawisza, M / Zbroszczyk, H / Zhan, W / Zhang, J B / Zhang, S / Zhang, W M / Zhang, X P / Zhang, Y / Zhang, Z P / Zhao, J / Zhong, C / Zhou, J / Zhou, W / Zhu, X / Zhu, Y H / Zoulkarneev, R / Zoulkarneeva, Y

    Physical review letters

    2010  Volume 105, Issue 2, Page(s) 22302

    Abstract: We report the first measurements of the kurtosis (κ), skewness (S), and variance (σ2) of net-proton multiplicity (Np-Np) distributions at midrapidity for Au+Au collisions at square root of s(NN)=19.6, 62.4, and 200 GeV corresponding to baryon chemical ... ...

    Abstract We report the first measurements of the kurtosis (κ), skewness (S), and variance (σ2) of net-proton multiplicity (Np-Np) distributions at midrapidity for Au+Au collisions at square root of s(NN)=19.6, 62.4, and 200 GeV corresponding to baryon chemical potentials (μB) between 200 and 20 MeV. Our measurements of the products κσ2 and Sσ, which can be related to theoretical calculations sensitive to baryon number susceptibilities and long-range correlations, are constant as functions of collision centrality. We compare these products with results from lattice QCD and various models without a critical point and study the square root of s(NN) dependence of κσ2. From the measurements at the three beam energies, we find no evidence for a critical point in the QCD phase diagram for μB below 200 MeV.
    Language English
    Publishing date 2010-07-09
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.105.022302
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Measurement of the bottom quark contribution to nonphotonic electron production in p + p collisions at √s=200  GeV.

    Aggarwal, M M / Ahammed, Z / Alakhverdyants, A V / Alekseev, I / Alford, J / Anderson, B D / Anson, Daniel / Arkhipkin, D / Averichev, G S / Balewski, J / Barnby, L S / Baumgart, S / Beavis, D R / Bellwied, R / Betancourt, M J / Betts, R R / Bhasin, A / Bhati, A K / Bichsel, H /
    Bielcik, J / Bielcikova, J / Biritz, B / Bland, L C / Bonner, B E / Bouchet, J / Braidot, E / Brandin, A V / Bridgeman, A / Bruna, E / Bueltmann, S / Bunzarov, I / Burton, T P / Cai, X Z / Caines, H / Calderón de la Barca Sánchez, M / Catu, O / Cebra, D / Cendejas, R / Cervantes, M C / Chajecki, Z / Chaloupka, P / Chattopadhyay, S / Chen, H F / Chen, J H / Chen, J Y / Cheng, J / Cherney, M / Chikanian, A / Choi, K E / Christie, W / Chung, P / Clarke, R F / Codrington, M J M / Corliss, R / Cramer, J G / Crawford, H J / Das, D / Dash, S / Davila Leyva, A / De Silva, L C / Debbe, R R / Dedovich, T G / Derevschikov, A A / Derradi de Souza, R / Didenko, L / Djawotho, P / Dogra, S M / Dong, X / Drachenberg, J L / Draper, J E / Dunlop, J C / Dutta Mazumdar, M R / Efimov, L G / Elhalhuli, E / Elnimr, M / Engelage, J / Eppley, G / Erazmus, B / Estienne, M / Eun, L / Evdokimov, O / Fachini, P / Fatemi, R / Fedorisin, J / Fersch, R G / Filip, P / Finch, E / Fine, V / Fisyak, Y / Gagliardi, C A / Gangadharan, D R / Ganti, M S / Garcia-Solis, E J / Geromitsos, A / Geurts, F / Ghazikhanian, V / Ghosh, P / Gorbunov, Y N / Gordon, A / Grebenyuk, O / Grosnick, D / Guertin, S M / Gupta, A / Guryn, W / Haag, B / Hamed, A / Han, L-X / Harris, J W / Hays-Wehle, J P / Heinz, M / Heppelmann, S / Hirsch, A / Hjort, E / Hoffman, A M / Hoffmann, G W / Hofman, D J / Huang, B / Huang, H Z / Humanic, T J / Huo, L / Igo, G / Jacobs, P / Jacobs, W W / Jena, C / Jin, F / Jones, C L / Jones, P G / Joseph, J / Judd, E G / Kabana, S / Kajimoto, K / Kang, K / Kapitan, J / Kauder, K / Keane, D / Kechechyan, A / Kettler, D / Kikola, D P / Kiryluk, J / Kisiel, A / Kizka, V / Klein, S R / Knospe, A G / Kocoloski, A / Koetke, D D / Kollegger, T / Konzer, J / Koralt, I / Koroleva, L / Korsch, W / Kotchenda, L / Kouchpil, V / Kravtsov, P / Krueger, K / Krus, M / Kumar, L / Kurnadi, P / Lamont, M A C / Landgraf, J M / Lapointe, S / Lauret, J / Lebedev, A / Lednicky, R / Lee, C-H / Lee, J H / Leight, W / Levine, M J / Li, C / Li, L / Li, N / Li, W / Li, X / Li, Y / Li, Z M / Lin, G / Lin, X Y / Lindenbaum, S J / Lisa, M A / Liu, F / Liu, H / Liu, J / Ljubicic, T / Llope, W J / Longacre, R S / Love, W A / Lu, Y / Lukashov, E V / Luo, X / Ma, G L / Ma, Y G / Mahapatra, D P / Majka, R / Mall, O I / Mangotra, L K / Manweiler, R / Margetis, S / Markert, C / Masui, H / Matis, H S / Matulenko, Yu A / McDonald, D / McShane, T S / Meschanin, A / Milner, R / Minaev, N G / Mioduszewski, S / Mischke, A / Mitrovski, M K / Mohanty, B / Mondal, M M / Morozov, B / Morozov, D A / Munhoz, M G / Nandi, B K / Nattrass, C / Nayak, T K / Nelson, J M / Netrakanti, P K / Ng, M J / Nogach, L V / Nurushev, S B / Odyniec, G / Ogawa, A / Okorokov, V / Oldag, E W / Olson, D / Pachr, M / Page, B S / Pal, S K / Pandit, Y / Panebratsev, Y / Pawlak, T / Peitzmann, T / Perevoztchikov, V / Perkins, C / Peryt, W / Phatak, S C / Pile, P / Planinic, M / Ploskon, M A / Pluta, J / Plyku, D / Poljak, N / Poskanzer, A M / Potukuchi, B V K S / Powell, C B / Prindle, D / Pruneau, C / Pruthi, N K / Pujahari, P R / Putschke, J / Qiu, H / Raniwala, R / Raniwala, S / Ray, R L / Redwine, R / Reed, R / Ritter, H G / Roberts, J B / Rogachevskiy, O V / Romero, J L / Rose, A / Roy, C / Ruan, L / Sahoo, R / Sakai, S / Sakrejda, I / Sakuma, T / Salur, S / Sandweiss, J / Sangaline, E / Schambach, J / Scharenberg, R P / Schmitz, N / Schuster, T R / Seele, J / Seger, J / Selyuzhenkov, I / Seyboth, P / Shahaliev, E / Shao, M / Sharma, M / Shi, S S / Sichtermann, E P / Simon, F / Singaraju, R N / Skoby, M J / Smirnov, N / Sorensen, P / Sowinski, J / Spinka, H M / Srivastava, B / Stanislaus, T D S / Staszak, D / Stevens, J R / Stock, R / Strikhanov, M / Stringfellow, B / Suaide, A A P / Suarez, M C / Subba, N L / Sumbera, M / Sun, X M / Sun, Y / Sun, Z / Surrow, B / Svirida, D N / Symons, T J M / Szanto de Toledo, A / Takahashi, J / Tang, A H / Tang, Z / Tarini, L H / Tarnowsky, T / Thein, D / Thomas, J H / Tian, J / Timmins, A R / Timoshenko, S / Tlusty, D / Tokarev, M / Trainor, T A / Tram, V N / Trentalange, S / Tribble, R E / Tsai, O D / Ulery, J / Ullrich, T / Underwood, D G / Van Buren, G / van Leeuwen, M / van Nieuwenhuizen, G / Vanfossen, J A / Varma, R / Vasconcelos, G M S / Vasiliev, A N / Videbaek, F / Viyogi, Y P / Vokal, S / Voloshin, S A / Wada, M / Walker, M / Wang, F / Wang, G / Wang, H / Wang, J S / Wang, Q / Wang, X L / Wang, Y / Webb, G / Webb, J C / Westfall, G D / Whitten, C / Wieman, H / Wissink, S W / Witt, R / Wu, Y F / Xie, W / Xu, H / Xu, N / Xu, Q H / Xu, W / Xu, Y / Xu, Z / Xue, L / Yang, Y / Yepes, P / Yip, K / Yoo, I-K / Yue, Q / Zawisza, M / Zbroszczyk, H / Zhan, W / Zhang, J B / Zhang, S / Zhang, W M / Zhang, X P / Zhang, Y / Zhang, Z P / Zhao, J / Zhong, C / Zhou, J / Zhou, W / Zhu, X / Zhu, Y H / Zoulkarneev, R / Zoulkarneeva, Y

    Physical review letters

    2010  Volume 105, Issue 20, Page(s) 202301

    Abstract: The contribution of B meson decays to nonphotonic electrons, which are mainly produced by the semileptonic decays of heavy-flavor mesons, in p + p collisions at √s=200  GeV has been measured using azimuthal correlations between nonphotonic electrons and ... ...

    Abstract The contribution of B meson decays to nonphotonic electrons, which are mainly produced by the semileptonic decays of heavy-flavor mesons, in p + p collisions at √s=200  GeV has been measured using azimuthal correlations between nonphotonic electrons and hadrons. The extracted B decay contribution is approximately 50% at a transverse momentum of pT≥5  GeV/c. These measurements constrain the nuclear modification factor for electrons from B and D meson decays. The result indicates that B meson production in heavy ion collisions is also suppressed at high pT.
    Language English
    Publishing date 2010-11-12
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.105.202301
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Observation of an antimatter hypernucleus.

    Abelev, B I / Aggarwal, M M / Ahammed, Z / Alakhverdyants, A V / Alekseev, I / Anderson, B D / Arkhipkin, D / Averichev, G S / Balewski, J / Barnby, L S / Baumgart, S / Beavis, D R / Bellwied, R / Betancourt, M J / Betts, R R / Bhasin, A / Bhati, A K / Bichsel, H / Bielcik, J /
    Bielcikova, J / Biritz, B / Bland, L C / Bonner, B E / Bouchet, J / Braidot, E / Brandin, A V / Bridgeman, A / Bruna, E / Bueltmann, S / Bunzarov, I / Burton, T P / Cai, X Z / Caines, H / Calderon, M / Catu, O / Cebra, D / Cendejas, R / Cervantes, M C / Chajecki, Z / Chaloupka, P / Chattopadhyay, S / Chen, H F / Chen, J H / Chen, J Y / Cheng, J / Cherney, M / Chikanian, A / Choi, K E / Christie, W / Chung, P / Clarke, R F / Codrington, M J M / Corliss, R / Cramer, J G / Crawford, H J / Das, D / Dash, S / Davila Leyva, A / De Silva, L C / Debbe, R R / Dedovich, T G / DePhillips, M / Derevschikov, A A / Derradi de Souza, R / Didenko, L / Djawotho, P / Dogra, S M / Dong, X / Drachenberg, J L / Draper, J E / Dunlop, J C / Dutta Mazumdar, M R / Efimov, L G / Elhalhuli, E / Elnimr, M / Engelage, J / Eppley, G / Erazmus, B / Estienne, M / Eun, L / Evdokimov, O / Fachini, P / Fatemi, R / Fedorisin, J / Fersch, R G / Filip, P / Finch, E / Fine, V / Fisyak, Y / Gagliardi, C A / Gangadharan, D R / Ganti, M S / Garcia-Solis, E J / Geromitsos, A / Geurts, F / Ghazikhanian, V / Ghosh, P / Gorbunov, Y N / Gordon, A / Grebenyuk, O / Grosnick, D / Grube, B / Guertin, S M / Gupta, A / Gupta, N / Guryn, W / Haag, B / Hamed, A / Han, L-X / Harris, J W / Hays-Wehle, J P / Heinz, M / Heppelmann, S / Hirsch, A / Hjort, E / Hoffman, A M / Hoffmann, G W / Hofman, D J / Hollis, R S / Huang, B / Huang, H Z / Humanic, T J / Huo, L / Igo, G / Iordanova, A / Jacobs, P / Jacobs, W W / Jakl, P / Jena, C / Jin, F / Jones, C L / Jones, P G / Joseph, J / Judd, E G / Kabana, S / Kajimoto, K / Kang, K / Kapitan, J / Kauder, K / Keane, D / Kechechyan, A / Kettler, D / Kikola, D P / Kiryluk, J / Kisiel, A / Klein, S R / Knospe, A G / Kocoloski, A / Koetke, D D / Kollegger, T / Konzer, J / Kopytine, M / Koralt, I / Koroleva, L / Korsch, W / Kotchenda, L / Kouchpil, V / Kravtsov, P / Krueger, K / Krus, M / Kumar, L / Kurnadi, P / Lamont, M A C / Landgraf, J M / LaPointe, S / Lauret, J / Lebedev, A / Lednicky, R / Lee, C-H / Lee, J H / Leight, W / Levine, M J / Li, C / Li, L / Li, N / Li, W / Li, X / Li, Y / Li, Z / Lin, G / Lindenbaum, S J / Lisa, M A / Liu, F / Liu, H / Liu, J / Ljubicic, T / Llope, W J / Longacre, R S / Love, W A / Lu, Y / Luo, X / Ma, G L / Ma, Y G / Mahapatra, D P / Majka, R / Mal, O I / Mangotra, L K / Manweiler, R / Margetis, S / Markert, C / Masui, H / Matis, H S / Matulenko, Yu A / McDonald, D / McShane, T S / Meschanin, A / Milner, R / Minaev, N G / Mioduszewski, S / Mischke, A / Mitrovski, M K / Mohanty, B / Mondal, M M / Morozov, B / Morozov, D A / Munhoz, M G / Nandi, B K / Nattrass, C / Nayak, T K / Nelson, J M / Netrakanti, P K / Ng, M J / Nogach, L V / Nurushev, S B / Odyniec, G / Ogawa, A / Okada, H / Okorokov, V / Olson, D / Pachr, M / Page, B S / Pal, S K / Pandit, Y / Panebratsev, Y / Pawlak, T / Peitzmann, T / Perevoztchikov, V / Perkins, C / Peryt, W / Phatak, S C / Pile, P / Planinic, M / Ploskon, M A / Pluta, J / Plyku, D / Poljak, N / Poskanzer, A M / Potukuchi, B V K S / Powell, C B / Prindle, D / Pruneau, C / Pruthi, N K / Pujahari, P R / Putschke, J / Qiu, H / Raniwala, R / Raniwala, S / Ray, R L / Redwine, R / Reed, R / Ritter, H G / Roberts, J B / Rogachevskiy, O V / Romero, J L / Rose, A / Roy, C / Ruan, L / Sahoo, R / Sakai, S / Sakrejda, I / Sakuma, T / Salur, S / Sandweiss, J / Sangaline, E / Schambach, J / Scharenberg, R P / Schmitz, N / Schuster, T R / Seele, J / Seger, J / Selyuzhenkov, I / Seyboth, P / Shahaliev, E / Shao, M / Sharma, M / Shi, S S / Sichtermann, E P / Simon, F / Singaraju, R N / Skoby, M J / Smirnov, N / Sorensen, P / Sowinski, J / Spinka, H M / Srivastava, B / Stanislaus, T D S / Staszak, D / Stevens, J R / Stock, R / Strikhanov, M / Stringfellow, B / Suaide, A A P / Suarez, M C / Subba, N L / Sumbera, M / Sun, X M / Sun, Y / Sun, Z / Surrow, B / Svirida, D N / Symons, T J M / Szanto de Toledo, A / Takahashi, J / Tang, A H / Tang, Z / Tarini, L H / Tarnowsky, T / Thein, D / Thomas, J H / Tian, J / Timmins, A R / Timoshenko, S / Tlusty, D / Tokarev, M / Trainor, T A / Tram, V N / Trentalange, S / Tribble, R E / Tsai, O D / Ulery, J / Ullrich, T / Underwood, D G / Van Buren, G / van Leeuwen, M / van Nieuwenhuizen, G / Vanfossen, J A / Varma, R / Vasconcelos, G M S / Vasiliev, A N / Videbaek, F / Viyogi, Y P / Vokal, S / Voloshin, S A / Wada, M / Walker, M / Wang, F / Wang, G / Wang, H / Wang, J S / Wang, Q / Wang, X L / Wang, Y / Webb, G / Webb, J C / Westfall, G D / Whitten, C / Wieman, H / Wingfield, E / Wissink, S W / Witt, R / Wu, Y / Xie, W / Xu, H / Xu, N / Xu, Q H / Xu, W / Xu, Y / Xu, Z / Xue, L / Yang, Y / Yepes, P / Yip, K / Yoo, I-K / Yue, Q / Zawisza, M / Zbroszczyk, H / Zhan, W / Zhang, J / Zhang, S / Zhang, W M / Zhang, X P / Zhang, Y / Zhang, Z P / Zhao, J / Zhong, C / Zhou, J / Zhou, W / Zhu, X / Zhu, Y H / Zoulkarneev, R / Zoulkarneeva, Y

    Science (New York, N.Y.)

    2010  Volume 328, Issue 5974, Page(s) 58–62

    Abstract: Nuclear collisions recreate conditions in the universe microseconds after the Big Bang. Only a very small fraction of the emitted fragments are light nuclei, but these states are of fundamental interest. We report the observation of antihypertritons-- ... ...

    Abstract Nuclear collisions recreate conditions in the universe microseconds after the Big Bang. Only a very small fraction of the emitted fragments are light nuclei, but these states are of fundamental interest. We report the observation of antihypertritons--comprising an antiproton, an antineutron, and an antilambda hyperon--produced by colliding gold nuclei at high energy. Our analysis yields 70 +/- 17 antihypertritons ((Lambda)(3)-H) and 157 +/- 30 hypertritons (Lambda3H). The measured yields of Lambda3H ((Lambda)(3)-H) and 3He (3He) are similar, suggesting an equilibrium in coordinate and momentum space populations of up, down, and strange quarks and antiquarks, unlike the pattern observed at lower collision energies. The production and properties of antinuclei, and of nuclei containing strange quarks, have implications spanning nuclear and particle physics, astrophysics, and cosmology.
    Language English
    Publishing date 2010-04-02
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
    ZDB-ID 128410-1
    ISSN 1095-9203 ; 0036-8075
    ISSN (online) 1095-9203
    ISSN 0036-8075
    DOI 10.1126/science.1183980
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: Indications of conical emission of charged hadrons at the BNL relativistic heavy ion collider.

    Abelev, B I / Aggarwal, M M / Ahammed, Z / Anderson, B D / Arkhipkin, D / Averichev, G S / Bai, Y / Balewski, J / Barannikova, O / Barnby, L S / Baudot, J / Baumgart, S / Beavis, D R / Bellwied, R / Benedosso, F / Betts, R R / Bhardwaj, S / Bhasin, A / Bhati, A K /
    Bichsel, H / Bielcik, J / Bielcikova, J / Biritz, B / Bland, L C / Bombara, M / Bonner, B E / Botje, M / Bouchet, J / Braidot, E / Brandin, A V / Bruna, E / Bueltmann, S / Burton, T P / Bystersky, M / Cai, X Z / Caines, H / Calderón de la Barca Sánchez, M / Callner, J / Catu, O / Cebra, D / Cendejas, R / Cervantes, M C / Chajecki, Z / Chaloupka, P / Chattopadhyay, S / Chen, H F / Chen, J H / Chen, J Y / Cheng, J / Cherney, M / Chikanian, A / Choi, K E / Christie, W / Chung, S U / Clarke, R F / Codrington, M J M / Coffin, J P / Cormier, T M / Cosentino, M R / Cramer, J G / Crawford, H J / Das, D / Dash, S / Daugherity, M / De Silva, C / de Moura, M M / Dedovich, T G / Dephillips, M / Derevschikov, A A / de Souza, R Derradi / Didenko, L / Djawotho, P / Dogra, S M / Dong, X / Drachenberg, J L / Draper, J E / Du, F / Dunlop, J C / Dutta Mazumdar, M R / Edwards, W R / Efimov, L G / Elhalhuli, E / Elnimr, M / Emelianov, V / Engelage, J / Eppley, G / Erazmus, B / Estienne, M / Eun, L / Fachini, P / Fatemi, R / Fedorisin, J / Feng, A / Filip, P / Finch, E / Fine, V / Fisyak, Y / Gagliardi, C A / Gaillard, L / Gangadharan, D R / Ganti, M S / Garcia-Solis, E / Ghazikhanian, V / Ghosh, P / Gorbunov, Y N / Gordon, A / Grebenyuk, O / Grosnick, D / Grube, B / Guertin, S M / Guimaraes, K S F F / Gupta, A / Gupta, N / Guryn, W / Haag, B / Hallman, T J / Hamed, A / Harris, J W / He, W / Heinz, M / Heppelmann, S / Hippolyte, B / Hirsch, A / Hjort, E / Hoffman, A M / Hoffmann, G W / Hofman, D J / Hollis, R S / Huang, H Z / Humanic, T J / Igo, G / Iordanova, A / Jacobs, P / Jacobs, W W / Jakl, P / Jin, F / Jones, P G / Joseph, J / Judd, E G / Kabana, S / Kajimoto, K / Kang, K / Kapitan, J / Kaplan, M / Keane, D / Kechechyan, A / Kettler, D / Khodyrev, V Yu / Kiryluk, J / Kisiel, A / Klein, S R / Knospe, A G / Kocoloski, A / Koetke, D D / Kopytine, M / Kotchenda, L / Kouchpil, V / Kravtsov, P / Kravtsov, V I / Krueger, K / Krus, M / Kuhn, C / Kumar, L / Kurnadi, P / Lamont, M A C / Landgraf, J M / Lapointe, S / Lauret, J / Lebedev, A / Lednicky, R / Lee, C-H / Levine, M J / Li, C / Li, Y / Lin, G / Lin, X / Lindenbaum, S J / Lisa, M A / Liu, F / Liu, H / Liu, J / Liu, L / Ljubicic, T / Llope, W J / Longacre, R S / Love, W A / Lu, Y / Ludlam, T / Lynn, D / Ma, G L / Ma, Y G / Mahapatra, D P / Majka, R / Mall, O I / Mangotra, L K / Manweiler, R / Margetis, S / Markert, C / Matis, H S / Matulenko, Yu A / McShane, T S / Meschanin, A / Millane, J / Miller, M L / Minaev, N G / Mioduszewski, S / Mischke, A / Mitchell, J / Mohanty, B / Molnar, L / Morozov, D A / Munhoz, M G / Nandi, B K / Nattrass, C / Nayak, T K / Nelson, J M / Nepali, C / Netrakanti, P K / Ng, M J / Nogach, L V / Nurushev, S B / Odyniec, G / Ogawa, A / Okada, H / Okorokov, V / Olson, D / Pachr, M / Page, B S / Pal, S K / Pandit, Y / Panebratsev, Y / Pawlak, T / Peitzmann, T / Perevoztchikov, V / Perkins, C / Peryt, W / Phatak, S C / Planinic, M / Pluta, J / Poljak, N / Poskanzer, A M / Potukuchi, B V K S / Prindle, D / Pruneau, C / Pruthi, N K / Putschke, J / Raniwala, R / Raniwala, S / Ray, R L / Reed, R / Ridiger, A / Ritter, H G / Roberts, J B / Rogachevskiy, O V / Romero, J L / Rose, A / Roy, C / Ruan, L / Russcher, M J / Rykov, V / Sahoo, R / Sakrejda, I / Sakuma, T / Salur, S / Sandweiss, J / Sarsour, M / Schambach, J / Scharenberg, R P / Schmitz, N / Seger, J / Selyuzhenkov, I / Seyboth, P / Shabetai, A / Shahaliev, E / Shao, M / Sharma, M / Shi, S S / Shi, X-H / Sichtermann, E P / Simon, F / Singaraju, R N / Skoby, M J / Smirnov, N / Snellings, R / Sorensen, P / Sowinski, J / Spinka, H M / Srivastava, B / Stadnik, A / Stanislaus, T D S / Staszak, D / Strikhanov, M / Stringfellow, B / Suaide, A A P / Suarez, M C / Subba, N L / Sumbera, M / Sun, X M / Sun, Y / Sun, Z / Surrow, B / Symons, T J M / Szanto de Toledo, A / Takahashi, J / Tang, A H / Tang, Z / Tarnowsky, T / Thein, D / Thomas, J H / Tian, J / Timmins, A R / Timoshenko, S / Tlusty, D / Tokarev, M / Trainor, T A / Tram, V N / Trattner, A L / Trentalange, S / Tribble, R E / Tsai, O D / Ulery, J / Ullrich, T / Underwood, D G / Van Buren, G / van Leeuwen, M / Vander Molen, A M / Vanfossen, J A / Varma, R / Vasconcelos, G M S / Vasilevski, I M / Vasiliev, A N / Videbaek, F / Vigdor, S E / Viyogi, Y P / Vokal, S / Voloshin, S A / Wada, M / Waggoner, W T / Wang, F / Wang, G / Wang, J S / Wang, Q / Wang, X / Wang, X L / Wang, Y / Webb, J C / Westfall, G D / Whitten, C / Wieman, H / Wissink, S W / Witt, R / Wu, Y / Xu, N / Xu, Q H / Xu, Y / Xu, Z / Yepes, P / Yoo, I-K / Yue, Q / Zawisza, M / Zbroszczyk, H / Zhan, W / Zhang, H / Zhang, S / Zhang, W M / Zhang, Y / Zhang, Z P / Zhao, Y / Zhong, C / Zhou, J / Zoulkarneev, R / Zoulkarneeva, Y / Zuo, J X

    Physical review letters

    2009  Volume 102, Issue 5, Page(s) 52302

    Abstract: Three-particle azimuthal correlation measurements with a high transverse momentum trigger particle are reported for pp, d+Au, and Au+Au collisions at sqrt[s_{NN}]=200 GeV by the STAR experiment. Dijet structures are observed in pp, d+Au and peripheral Au+ ...

    Abstract Three-particle azimuthal correlation measurements with a high transverse momentum trigger particle are reported for pp, d+Au, and Au+Au collisions at sqrt[s_{NN}]=200 GeV by the STAR experiment. Dijet structures are observed in pp, d+Au and peripheral Au+Au collisions. An additional structure is observed in central Au+Au data, signaling conical emission of correlated charged hadrons. The conical emission angle is found to be theta=1.37+/-0.02(stat)-0.07+0.06(syst), independent of p_{ perpendicular}.
    Language English
    Publishing date 2009-02-06
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.102.052302
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Growth of long range forward-backward multiplicity correlations with centrality in Au + Au collisions at square root of sNN = 200 GeV.

    Abelev, B I / Aggarwal, M M / Ahammed, Z / Anderson, B D / Arkhipkin, D / Averichev, G S / Balewski, J / Barannikova, O / Barnby, L S / Baudot, J / Baumgart, S / Beavis, D R / Bellwied, R / Benedosso, F / Betancourt, M J / Betts, R R / Bhasin, A / Bhati, A K / Bichsel, H /
    Bielcik, J / Bielcikova, J / Biritz, B / Bland, L C / Bombara, M / Bonner, B E / Botje, M / Bouchet, J / Braidot, E / Brandin, A V / Bruna, E / Bueltmann, S / Burton, T P / Bystersky, M / Cai, X Z / Caines, H / Calderón de la Barca Sánchez, M / Catu, O / Cebra, D / Cendejas, R / Cervantes, M C / Chajecki, Z / Chaloupka, P / Chattopadhyay, S / Chen, H F / Chen, J H / Chen, J Y / Cheng, J / Cherney, M / Chikanian, A / Choi, K E / Christie, W / Clarke, R F / Codrington, M J M / Corliss, R / Cormier, T M / Cosentino, M R / Cramer, J G / Crawford, H J / Das, D / Dash, S / Daugherity, M / De Silva, L C / Dedovich, T G / DePhillips, M / Derevschikov, A A / Derradi de Souza, R / Didenko, L / Djawotho, P / Dogra, S M / Dong, X / Drachenberg, J L / Draper, J E / Du, F / Dunlop, J C / Dutta Mazumdar, M R / Edwards, W R / Efimov, L G / Elhalhuli, E / Elnimr, M / Emelianov, V / Engelage, J / Eppley, G / Erazmus, B / Estienne, M / Eun, L / Fachini, P / Fatemi, R / Fedorisin, J / Feng, A / Filip, P / Finch, E / Fine, V / Fisyak, Y / Gagliardi, C A / Gaillard, L / Gangadharan, D R / Ganti, M S / Garcia-Solis, E J / Geromitsos, A / Geurts, F / Ghazikhanian, V / Ghosh, P / Gorbunov, Y N / Gordon, A / Grebenyuk, O / Grosnick, D / Grube, B / Guertin, S M / Guimaraes, K S F F / Gupta, A / Gupta, N / Guryn, W / Haag, B / Hallman, T J / Hamed, A / Harris, J W / He, W / Heinz, M / Heppelmann, S / Hippolyte, B / Hirsch, A / Hjort, E / Hoffman, A M / Hoffmann, G W / Hofman, D J / Hollis, R S / Huang, H Z / Humanic, T J / Huo, L / Igo, G / Iordanova, A / Jacobs, P / Jacobs, W W / Jakl, P / Jena, C / Jin, F / Jones, C L / Jones, P G / Joseph, J / Judd, E G / Kabana, S / Kajimoto, K / Kang, K / Kapitan, J / Keane, D / Kechechyan, A / Kettler, D / Khodyrev, V Yu / Kikola, D P / Kiryluk, J / Kisiel, A / Knospe, A G / Kocoloski, A / Koetke, D D / Kopytine, M / Korsch, W / Kotchenda, L / Kouchpil, V / Kravtsov, P / Kravtsov, V I / Krueger, K / Krus, M / Kuhn, C / Kumar, L / Kurnadi, P / Lamont, M A C / Landgraf, J M / LaPointe, S / Lauret, J / Lebedev, A / Lednicky, R / Lee, C-H / Lee, J H / Leight, W / Levine, M J / Li, N / Li, C / Li, Y / Lin, G / Lindenbaum, S J / Lisa, M A / Liu, F / Liu, J / Liu, L / Ljubicic, T / Llope, W J / Longacre, R S / Love, W A / Lu, Y / Ludlam, T / Ma, G L / Ma, Y G / Mahapatra, D P / Majka, R / Mall, O I / Mangotra, L K / Manweiler, R / Margetis, S / Markert, C / Matis, H S / Matulenko, Yu A / McShane, T S / Meschanin, A / Milner, R / Minaev, N G / Mioduszewski, S / Mischke, A / Mitchell, J / Mohanty, B / Morozov, D A / Munhoz, M G / Nandi, B K / Nattrass, C / Nayak, T K / Nelson, J M / Netrakanti, P K / Ng, M J / Nogach, L V / Nurushev, S B / Odyniec, G / Ogawa, A / Okada, H / Okorokov, V / Olson, D / Pachr, M / Page, B S / Pal, S K / Pandit, Y / Panebratsev, Y / Pawlak, T / Peitzmann, T / Perevoztchikov, V / Perkins, C / Peryt, W / Phatak, S C / Planinic, M / Pluta, J / Poljak, N / Poskanzer, A M / Potukuchi, B V K S / Prindle, D / Pruneau, C / Pruthi, N K / Pujahari, P R / Putschke, J / Raniwala, R / Raniwala, S / Redwine, R / Reed, R / Ridiger, A / Ritter, H G / Roberts, J B / Rogachevskiy, O V / Romero, J L / Rose, A / Roy, C / Ruan, L / Russcher, M J / Sahoo, R / Sakrejda, I / Sakuma, T / Salur, S / Sandweiss, J / Sarsour, M / Schambach, J / Scharenberg, R P / Schmitz, N / Seger, J / Selyuzhenkov, I / Seyboth, P / Shabetai, A / Shahaliev, E / Shao, M / Sharma, M / Shi, S S / Shi, X-H / Sichtermann, E P / Simon, F / Singaraju, R N / Skoby, M J / Smirnov, N / Snellings, R / Sorensen, P / Sowinski, J / Spinka, H M / Srivastava, B / Stadnik, A / Stanislaus, T D S / Staszak, D / Strikhanov, M / Stringfellow, B / Suaide, A A P / Suarez, M C / Subba, N L / Sumbera, M / Sun, X M / Sun, Y / Sun, Z / Surrow, B / Symons, T J M / Szanto de Toledo, A / Takahashi, J / Tang, A H / Tang, Z / Tarnowsky, T / Thein, D / Thomas, J H / Tian, J / Timmins, A R / Timoshenko, S / Tlusty, D / Tokarev, M / Tram, V N / Trattner, A L / Trentalange, S / Tribble, R E / Tsai, O D / Ulery, J / Ullrich, T / Underwood, D G / Van Buren, G / van Leeuwen, M / Vander Molen, A M / Vanfossen, J A / Varma, R / Vasconcelos, G M S / Vasilevski, I M / Vasiliev, A N / Videbaek, F / Vigdor, S E / Viyogi, Y P / Vokal, S / Voloshin, S A / Wada, M / Walker, M / Wang, F / Wang, G / Wang, J S / Wang, Q / Wang, X / Wang, X L / Wang, Y / Webb, G / Webb, J C / Westfall, G D / Whitten, C / Wieman, H / Wissink, S W / Witt, R / Wu, Y / Xie, W / Xu, N / Xu, Q H / Xu, Y / Xu, Z / Yang, Y / Yepes, P / Yoo, I-K / Yue, Q / Zawisza, M / Zbroszczyk, H / Zhan, W / Zhang, S / Zhang, W M / Zhang, X P / Zhang, Y / Zhang, Z P / Zhao, Y / Zhong, C / Zhou, J / Zoulkarneev, R / Zoulkarneeva, Y / Zuo, J X

    Physical review letters

    2009  Volume 103, Issue 17, Page(s) 172301

    Abstract: Forward-backward multiplicity correlation strengths have been measured with the STAR detector for Au + Au and p + p collisions at square root of s(NN) = 200 GeV. Strong short- and long-range correlations (LRC) are seen in central Au + Au collisions. The ... ...

    Abstract Forward-backward multiplicity correlation strengths have been measured with the STAR detector for Au + Au and p + p collisions at square root of s(NN) = 200 GeV. Strong short- and long-range correlations (LRC) are seen in central Au + Au collisions. The magnitude of these correlations decrease with decreasing centrality until only short-range correlations are observed in peripheral Au + Au collisions. Both the dual parton model (DPM) and the color glass condensate (CGC) predict the existence of the long-range correlations. In the DPM, the fluctuation in the number of elementary (parton) inelastic collisions produces the LRC. In the CGC, longitudinal color flux tubes generate the LRC. The data are in qualitative agreement with the predictions of the DPM and indicate the presence of multiple parton interactions.
    Language English
    Publishing date 2009-10-23
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.103.172301
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article: Observation of two-source interference in the photoproduction reaction AuAu --> AuAurho0.

    Abelev, B I / Aggarwal, M M / Ahammed, Z / Anderson, B D / Arkhipkin, D / Averichev, G S / Bai, Y / Balewski, J / Barannikova, O / Barnby, L S / Baudot, J / Baumgart, S / Beavis, D R / Bellwied, R / Benedosso, F / Betancourt, M J / Betts, R R / Bhardwaj, S / Bhasin, A /
    Bhati, A K / Bichsel, H / Bielcik, J / Bielcikova, J / Biritz, B / Bland, L C / Bombara, M / Bonner, B E / Botje, M / Bouchet, J / Braidot, E / Brandin, A V / Bruna, E / Bueltmann, S / Burton, T P / Bystersky, M / Cai, X Z / Caines, H / Calderón de la Barca Sánchez, M / Callner, J / Catu, O / Cebra, D / Cendejas, R / Cervantes, M C / Chajecki, Z / Chaloupka, P / Chattopadhyay, S / Chen, H F / Chen, J H / Chen, J Y / Cheng, J / Cherney, M / Chikanian, A / Choi, K E / Christie, W / Chung, S U / Clarke, R F / Codrington, M J M / Coffin, J P / Corliss, R / Cormier, T M / Cosentino, M R / Cramer, J G / Crawford, H J / Das, D / Dash, S / Daugherity, M / De Silva, C / Dedovich, T G / Dephillips, M / Derevschikov, A A / Derradi de Souza, R / Didenko, L / Djawotho, P / Dogra, S M / Dong, X / Drachenberg, J L / Draper, J E / Du, F / Dunlop, J C / Dutta Mazumdar, M R / Edwards, W R / Efimov, L G / Elhalhuli, E / Elnimr, M / Emelianov, V / Engelage, J / Eppley, G / Erazmus, B / Estienne, M / Eun, L / Fachini, P / Fatemi, R / Fedorisin, J / Feng, A / Filip, P / Finch, E / Fine, V / Fisyak, Y / Gagliardi, C A / Gaillard, L / Gangadharan, D R / Ganti, M S / Garcia-Solis, E / Ghazikhanian, V / Ghosh, P / Gorbunov, Y N / Gordon, A / Grebenyuk, O / Grosnick, D / Grube, B / Guertin, S M / Guimaraes, K S F F / Gupta, A / Gupta, N / Guryn, W / Haag, B / Hallman, T J / Hamed, A / Harris, J W / He, W / Heinz, M / Heppelmann, S / Hippolyte, B / Hirsch, A / Hjort, E / Hoffman, A M / Hoffmann, G W / Hofman, D J / Hollis, R S / Huang, H Z / Humanic, T J / Igo, G / Iordanova, A / Jacobs, P / Jacobs, W W / Jakl, P / Jin, F / Jones, C L / Jones, P G / Joseph, J / Judd, E G / Kabana, S / Kajimoto, K / Kang, K / Kapitan, J / Kaplan, M / Keane, D / Kechechyan, A / Kettler, D / Khodyrev, V Yu / Kikola, D P / Kiryluk, J / Kisiel, A / Klein, S R / Knospe, A G / Kocoloski, A / Koetke, D D / Kopytine, M / Kotchenda, L / Kouchpil, V / Kravtsov, P / Kravtsov, V I / Krueger, K / Krus, M / Kuhn, C / Kumar, L / Kurnadi, P / Lamont, M A C / Landgraf, J M / Lapointe, S / Lauret, J / Lebedev, A / Lednicky, R / Lee, C-H / Leight, W / Levine, M J / Li, C / Li, N / Li, Y / Lin, G / Lindenbaum, S J / Lisa, M A / Liu, F / Liu, H / Liu, J / Liu, L / Ljubicic, T / Llope, W J / Longacre, R S / Love, W A / Lu, Y / Ludlam, T / Lynn, D / Ma, G L / Ma, Y G / Mahapatra, D P / Majka, R / Mall, O I / Mangotra, L K / Manweiler, R / Margetis, S / Markert, C / Matis, H S / Matulenko, Yu A / McShane, T S / Meschanin, A / Milner, R / Minaev, N G / Mioduszewski, S / Mischke, A / Mitchell, J / Mohanty, B / Morozov, D A / Munhoz, M G / Nandi, B K / Nattrass, C / Nayak, T K / Nelson, J M / Nepali, C / Netrakanti, P K / Ng, M J / Nogach, L V / Nurushev, S B / Odyniec, G / Ogawa, A / Okada, H / Okorokov, V / Olson, D / Pachr, M / Page, B S / Pal, S K / Pandit, Y / Panebratsev, Y / Pawlak, T / Peitzmann, T / Perevoztchikov, V / Perkins, C / Peryt, W / Phatak, S C / Planinic, M / Pluta, J / Poljak, N / Poskanzer, A M / Potukuchi, B V K S / Prindle, D / Pruneau, C / Pruthi, N K / Putschke, J / Raniwala, R / Raniwala, S / Ray, R L / Redwine, R / Reed, R / Ridiger, A / Ritter, H G / Roberts, J B / Rogachevskiy, O V / Romero, J L / Rose, A / Roy, C / Ruan, L / Russcher, M J / Rykov, V / Sahoo, R / Sakrejda, I / Sakuma, T / Salur, S / Sandweiss, J / Sarsour, M / Schambach, J / Scharenberg, R P / Schmitz, N / Seger, J / Selyuzhenkov, I / Seyboth, P / Shabetai, A / Shahaliev, E / Shao, M / Sharma, M / Shi, S S / Shi, X-H / Sichtermann, E P / Simon, F / Singaraju, R N / Skoby, M J / Smirnov, N / Snellings, R / Sorensen, P / Sowinski, J / Spinka, H M / Srivastava, B / Stadnik, A / Stanislaus, T D S / Staszak, D / Strikhanov, M / Stringfellow, B / Suaide, A A P / Suarez, M C / Subba, N L / Sumbera, M / Sun, X M / Sun, Y / Sun, Z / Surrow, B / Symons, T J M / Szanto de Toledo, A / Takahashi, J / Tang, A H / Tang, Z / Tarnowsky, T / Thein, D / Thomas, J H / Tian, J / Timmins, A R / Timoshenko, S / Tlusty, D / Tokarev, M / Trainor, T A / Tram, V N / Trattner, A L / Trentalange, S / Tribble, R E / Tsai, O D / Ulery, J / Ullrich, T / Underwood, D G / Van Buren, G / van Leeuwen, M / Vander Molen, A M / Vanfossen, J A / Varma, R / Vasconcelos, G M S / Vasilevski, I M / Vasiliev, A N / Videbaek, F / Vigdor, S E / Viyogi, Y P / Vokal, S / Voloshin, S A / Wada, M / Waggoner, W T / Walker, M / Wang, F / Wang, G / Wang, J S / Wang, Q / Wang, X / Wang, X L / Wang, Y / Webb, J C / Westfall, G D / Whitten, C / Wieman, H / Wissink, S W / Witt, R / Wu, Y / Xie, W / Xu, N / Xu, Q H / Xu, Y / Xu, Z / Yepes, P / Yoo, I-K / Yue, Q / Zawisza, M / Zbroszczyk, H / Zhan, W / Zhang, H / Zhang, S / Zhang, W M / Zhang, Y / Zhang, Z P / Zhao, Y / Zhong, C / Zhou, J / Zoulkarneev, R / Zoulkarneeva, Y / Zuo, J X

    Physical review letters

    2009  Volume 102, Issue 11, Page(s) 112301

    Abstract: In ultraperipheral relativistic heavy-ion collisions, a photon from the electromagnetic field of one nucleus can fluctuate to a quark-antiquark pair and scatter from the other nucleus, emerging as a rho{0}. The rho{0} production occurs in two well- ... ...

    Abstract In ultraperipheral relativistic heavy-ion collisions, a photon from the electromagnetic field of one nucleus can fluctuate to a quark-antiquark pair and scatter from the other nucleus, emerging as a rho{0}. The rho{0} production occurs in two well-separated (median impact parameters of 20 and 40 F for the cases considered here) nuclei, so the system forms a two-source interferometer. At low transverse momenta, the two amplitudes interfere destructively, suppressing rho{0} production. Since the rho{0} decays before the production amplitudes from the two sources can overlap, the two-pion system can only be described with an entangled nonlocal wave function, and is thus an example of the Einstein-Podolsky-Rosen paradox. We observe this suppression in 200 GeV per nucleon-pair gold-gold collisions. The interference is 87%+/-5%(stat.)+/-8%(syst.) of the expected level. This translates into a limit on decoherence due to wave function collapse or other factors of 23% at the 90% confidence level.
    Language English
    Publishing date 2009-03-20
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.102.112301
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: K/pi Fluctuations at relativistic energies.

    Abelev, B I / Aggarwal, M M / Ahammed, Z / Anderson, B D / Arkhipkin, D / Averichev, G S / Balewski, J / Barannikova, O / Barnby, L S / Baudot, J / Baumgart, S / Beavis, D R / Bellwied, R / Benedosso, F / Betancourt, M J / Betts, R R / Bhasin, A / Bhati, A K / Bichsel, H /
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    Physical review letters

    2009  Volume 103, Issue 9, Page(s) 92301

    Abstract: We report K/pi fluctuations from Au + Au collisions at sqrt[s(NN)]= 19.6, 62.4, 130, and 200 GeV using the STAR detector at the Relativistic Heavy Ion Collider. K/pi fluctuations in central collisions show little dependence on incident energy and are on ... ...

    Abstract We report K/pi fluctuations from Au + Au collisions at sqrt[s(NN)]= 19.6, 62.4, 130, and 200 GeV using the STAR detector at the Relativistic Heavy Ion Collider. K/pi fluctuations in central collisions show little dependence on incident energy and are on the same order as those from NA49 at the Super Proton Synchrotron in central Pb + Pb collisions at sqrt[s(NN)]=12.3 and 17.3 GeV. We report results for the collision centrality dependence of K/pi fluctuations and results for charge-separated fluctuations. We observe that the K/pi fluctuations scale with the charged particle multiplicity density.
    Language English
    Publishing date 2009-08-28
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.103.092301
    Database MEDical Literature Analysis and Retrieval System OnLINE

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