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  1. Artikel ; Online: Observation of direct photons in central 158A GeV (208)P(208)b+Pb collisions

    Nikolaev / Nilsson / Nishimura / Nomokonov / Nystrand / Obenshain / Oskarsson / Otterlund / Pachr / Pavliouk / Peitzmann / Petracek / Pinganaud / Plasil / Poblotzki / Purschke / Rak / Raniwala / Ramamurthy /
    Rao / Retiere / Reygers / Roland / Rosselet / Roufanov

    Physical review letters

    2000  Band 85, Heft 17, Seite(n) 3595–3599

    Abstract: A measurement of direct photon production in 208Pb+208Pb collisions at 158A GeV has been carried out in the CERN WA98 experiment. The invariant yield of direct photons in central collisions is extracted as a function of transverse momentum in the ... ...

    Abstract A measurement of direct photon production in 208Pb+208Pb collisions at 158A GeV has been carried out in the CERN WA98 experiment. The invariant yield of direct photons in central collisions is extracted as a function of transverse momentum in the interval 0.5<p(T)<4 GeV/c. A significant direct photon signal, compared to statistical and systematical errors, is seen at p(T)>1.5 GeV/c. The result constitutes the first observation of direct photons in ultrarelativistic heavy-ion collisions. It could be significant for diagnosis of quark-gluon-plasma formation.
    Sprache Englisch
    Erscheinungsdatum 2000-10-23
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.85.3595
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  2. Artikel ; Online: Erratum: Observation of D^{0} Meson Nuclear Modifications in Au+Au Collisions at sqrt[s_{NN}]=200  GeV [Phys. Rev. Lett. 113, 142301 (2014)].

    Adamczyk, L / Adkins, J K / Agakishiev, G / Aggarwal, M M / Ahammed, Z / Alekseev, I / Alford, J / Anson, C D / Aparin, A / Arkhipkin, D / Aschenauer, E C / Averichev, G S / Banerjee, A / Beavis, D R / Bellwied, R / Bhasin, A / Bhati, A K / Bhattarai, P / Bichsel, H /
    Bielcik, J / Bielcikova, J / Bland, L C / Bordyuzhin, I G / Borowski, W / Bouchet, J / Brandin, A V / Brovko, S G / Bültmann, S / Bunzarov, I / Burton, T P / Butterworth, J / Caines, H / Calderón de la Barca Sánchez, M / Cebra, D / Cendejas, R / Cervantes, M C / Chaloupka, P / Chang, Z / Chattopadhyay, S / Chen, H F / Chen, J H / Chen, L / Cheng, J / Cherney, M / Chikanian, A / Christie, W / Chwastowski, J / Codrington, M J M / Contin, G / Cramer, J G / Crawford, H J / Cui, X / Das, S / Davila Leyva, A / De Silva, L C / Debbe, R R / Dedovich, T G / Deng, J / Derevschikov, A A / Derradi de Souza, R / Dhamija, S / di Ruzza, B / Didenko, L / Dilks, C / Ding, F / Djawotho, P / Dong, X / Drachenberg, J L / Draper, J E / Du, C M / Dunkelberger, L E / Dunlop, J C / Efimov, L G / Engelage, J / Engle, K S / Eppley, G / Eun, L / Evdokimov, O / Eyser, O / Fatemi, R / Fazio, S / Fedorisin, J / Filip, P / Finch, E / Fisyak, Y / Flores, C E / Gagliardi, C A / Gangadharan, D R / Garand, D / Geurts, F / Gibson, A / Girard, M / Gliske, S / Greiner, L / Grosnick, D / Gunarathne, D S / Guo, Y / Gupta, A / Gupta, S / Guryn, W / Haag, B / Hamed, A / Han, L-X / Haque, R / Harris, J W / Heppelmann, S / Hirsch, A / Hoffmann, G W / Hofman, D J / Horvat, S / Huang, B / Huang, H Z / Huang, X / Huck, P / Humanic, T J / Igo, G / Jacobs, W W / Jang, H / Judd, E G / Kabana, S / Kalinkin, D / Kang, K / Kauder, K / Ke, H W / Keane, D / Kechechyan, A / Kesich, A / Khan, Z H / Kikola, D P / Kisel, I / Kisiel, A / Koetke, D D / Kollegger, T / Konzer, J / Koralt, I / Kotchenda, L / Kraishan, A F / Kravtsov, P / Krueger, K / Kulakov, I / Kumar, L / Kycia, R A / Lamont, M A C / Landgraf, J M / Landry, K D / Lauret, J / Lebedev, A / Lednicky, R / Lee, J H / LeVine, M J / Li, C / Li, W / Li, X / Li, Y / Li, Z M / Lisa, M A / Liu, F / Ljubicic, T / Llope, W J / Lomnitz, M / Longacre, R S / Luo, X / Ma, G L / Ma, Y G / Madagodagettige Don, D M M D / Mahapatra, D P / Majka, R / Margetis, S / Markert, C / Masui, H / Matis, H S / McDonald, D / McShane, T S / Minaev, N G / Mioduszewski, S / Mohanty, B / Mondal, M M / Morozov, D A / Mustafa, M K / Nandi, B K / Nasim, Md / Nayak, T K / Nelson, J M / Nigmatkulov, G / Nogach, L V / Noh, S Y / Novak, J / Nurushev, S B / Odyniec, G / Ogawa, A / Oh, K / Ohlson, A / Okorokov, V / Oldag, E W / Olvitt, D L / Pachr, M / Page, B S / Pal, S K / Pan, Y X / Pandit, Y / Panebratsev, Y / Pawlak, T / Pawlik, B / Pei, H / Perkins, C / Peryt, W / Pile, P / Planinic, M / Pluta, J / Poljak, N / Porter, J / Poskanzer, A M / Pruthi, N K / Przybycien, M / Pujahari, P R / Putschke, J / Qiu, H / Quintero, A / Ramachandran, S / Raniwala, R / Raniwala, S / Ray, R L / Riley, C K / Ritter, H G / Roberts, J B / Rogachevskiy, O V / Romero, J L / Ross, J F / Roy, A / Ruan, L / Rusnak, J / Rusnakova, O / Sahoo, N R / Sahu, P K / Sakrejda, I / Salur, S / Sandweiss, J / Sangaline, E / Sarkar, A / Schambach, J / Scharenberg, R P / Schmah, A M / Schmidke, W B / Schmitz, N / Seger, J / Seyboth, P / Shah, N / Shahaliev, E / Shanmuganathan, P V / Shao, M / Sharma, B / Shen, W Q / Shi, S S / Shou, Q Y / Sichtermann, E P / Singaraju, R N / Skoby, M J / Smirnov, D / Smirnov, N / Solanki, D / Sorensen, P / Spinka, H M / Srivastava, B / Stanislaus, T D S / Stevens, J R / Stock, R / Strikhanov, M / Stringfellow, B / Sumbera, M / Sun, X / Sun, X M / Sun, Y / Sun, Z / Surrow, B / Svirida, D N / Symons, T J M / Szelezniak, M A / Takahashi, J / Tang, A H / Tang, Z / Tarnowsky, T / Thomas, J H / Timmins, A R / Tlusty, D / Tokarev, M / Trentalange, S / Tribble, R E / Tribedy, P / Trzeciak, B A / Tsai, O D / Turnau, J / Ullrich, T / Underwood, D G / Van Buren, G / van Nieuwenhuizen, G / Vandenbroucke, M / Vanfossen, J A / Varma, R / Vasconcelos, G M S / Vasiliev, A N / Vertesi, R / Videbæk, F / Viyogi, Y P / Vokal, S / Vossen, A / Wada, M / Wang, F / Wang, G / Wang, H / Wang, J S / Wang, X L / Wang, Y / Webb, G / Webb, J C / Westfall, G D / Wieman, H / Wissink, S W / Witt, R / Wu, Y F / Xiao, Z / Xie, W / Xin, K / Xu, H / Xu, J / Xu, N / Xu, Q H / Xu, Y / Xu, Z / Yan, W / Yang, C / Yang, Y / Ye, Z / Yepes, P / Yi, L / Yip, K / Yoo, I-K / Yu, N / Zawisza, Y / Zbroszczyk, H / Zha, W / Zhang, J B / Zhang, J L / Zhang, S / Zhang, X P / Zhang, Y / Zhang, Z P / Zhao, F / Zhao, J / Zhong, C / Zhu, X / Zhu, Y H / Zoulkarneeva, Y / Zyzak, M

    Physical review letters

    2019  Band 121, Heft 22, Seite(n) 229901

    Abstract: This corrects the article DOI: 10.1103/PhysRevLett.113.142301. ...

    Abstract This corrects the article DOI: 10.1103/PhysRevLett.113.142301.
    Sprache Englisch
    Erscheinungsdatum 2019-01-11
    Erscheinungsland United States
    Dokumenttyp Journal Article ; Published Erratum
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.121.229901
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  3. Artikel ; Online: Precision Measurement of the Longitudinal Double-Spin Asymmetry for Inclusive Jet Production in Polarized Proton Collisions at sqrt[s]=200  GeV.

    Adamczyk, L / Adkins, J K / Agakishiev, G / Aggarwal, M M / Ahammed, Z / Alekseev, I / Alford, J / Anson, C D / Aparin, A / Arkhipkin, D / Aschenauer, E C / Averichev, G S / Banerjee, A / Beavis, D R / Bellwied, R / Bhasin, A / Bhati, A K / Bhattarai, P / Bichsel, H /
    Bielcik, J / Bielcikova, J / Bland, L C / Bordyuzhin, I G / Borowski, W / Bouchet, J / Brandin, A V / Brovko, S G / Bültmann, S / Bunzarov, I / Burton, T P / Butterworth, J / Caines, H / Calderón de la Barca Sánchez, M / Campbell, J M / Cebra, D / Cendejas, R / Cervantes, M C / Chaloupka, P / Chang, Z / Chattopadhyay, S / Chen, H F / Chen, J H / Chen, L / Cheng, J / Cherney, M / Chikanian, A / Christie, W / Chwastowski, J / Codrington, M J M / Contin, G / Cramer, J G / Crawford, H J / Cudd, A B / Cui, X / Das, S / Davila Leyva, A / De Silva, L C / Debbe, R R / Dedovich, T G / Deng, J / Derevschikov, A A / Derradi de Souza, R / Dhamija, S / di Ruzza, B / Didenko, L / Dilks, C / Ding, F / Djawotho, P / Dong, X / Drachenberg, J L / Draper, J E / Du, C M / Dunkelberger, L E / Dunlop, J C / Efimov, L G / Engelage, J / Engle, K S / Eppley, G / Eun, L / Evdokimov, O / Eyser, O / Fatemi, R / Fazio, S / Fedorisin, J / Filip, P / Finch, E / Fisyak, Y / Flores, C E / Gagliardi, C A / Gangadharan, D R / Garand, D / Geurts, F / Gibson, A / Girard, M / Gliske, S / Greiner, L / Grosnick, D / Gunarathne, D S / Guo, Y / Gupta, A / Gupta, S / Guryn, W / Haag, B / Hamed, A / Han, L-X / Haque, R / Harris, J W / Heppelmann, S / Hirsch, A / Hoffmann, G W / Hofman, D J / Horvat, S / Huang, B / Huang, H Z / Huang, X / Huck, P / Humanic, T J / Igo, G / Jacobs, W W / Jang, H / Judd, E G / Kabana, S / Kalinkin, D / Kang, K / Kauder, K / Ke, H W / Keane, D / Kechechyan, A / Kesich, A / Khan, Z H / Kikola, D P / Kisel, I / Kisiel, A / Koetke, D D / Kollegger, T / Konzer, J / Koralt, I / Kosarzewski, L K / Kotchenda, L / Kraishan, A F / Kravtsov, P / Krueger, K / Kulakov, I / Kumar, L / Kycia, R A / Lamont, M A C / Landgraf, J M / Landry, K D / Lauret, J / Lebedev, A / Lednicky, R / Lee, J H / LeVine, M J / Li, C / Li, W / Li, X / Li, Y / Li, Z M / Lisa, M A / Liu, F / Ljubicic, T / Llope, W J / Lomnitz, M / Longacre, R S / Luo, X / Ma, G L / Ma, Y G / Madagodagettige Don, D M M D / Mahapatra, D P / Majka, R / Margetis, S / Markert, C / Masui, H / Matis, H S / McDonald, D / McShane, T S / Minaev, N G / Mioduszewski, S / Mohanty, B / Mondal, M M / Morozov, D A / Mustafa, M K / Nandi, B K / Nasim, Md / Nayak, T K / Nelson, J M / Nigmatkulov, G / Nogach, L V / Noh, S Y / Novak, J / Nurushev, S B / Odyniec, G / Ogawa, A / Oh, K / Ohlson, A / Okorokov, V / Oldag, E W / Olvitt, D L / Pachr, M / Page, B S / Pal, S K / Pan, Y X / Pandit, Y / Panebratsev, Y / Pawlak, T / Pawlik, B / Pei, H / Perkins, C / Peryt, W / Pile, P / Planinic, M / Pluta, J / Poljak, N / Poniatowska, K / Porter, J / Poskanzer, A M / Pruthi, N K / Przybycien, M / Pujahari, P R / Putschke, J / Qiu, H / Quintero, A / Ramachandran, S / Raniwala, R / Raniwala, S / Ray, R L / Riley, C K / Ritter, H G / Roberts, J B / Rogachevskiy, O V / Romero, J L / Ross, J F / Roy, A / Ruan, L / Rusnak, J / Rusnakova, O / Sahoo, N R / Sahu, P K / Sakrejda, I / Salur, S / Sandweiss, J / Sangaline, E / Sarkar, A / Schambach, J / Scharenberg, R P / Schmah, A M / Schmidke, W B / Schmitz, N / Seger, J / Seyboth, P / Shah, N / Shahaliev, E / Shanmuganathan, P V / Shao, M / Sharma, B / Shen, W Q / Shi, S S / Shou, Q Y / Sichtermann, E P / Singaraju, R N / Skoby, M J / Smirnov, D / Smirnov, N / Solanki, D / Sorensen, P / Spinka, H M / Srivastava, B / Stanislaus, T D S / Stevens, J R / Stock, R / Strikhanov, M / Stringfellow, B / Sumbera, M / Sun, X / Sun, X M / Sun, Y / Sun, Z / Surrow, B / Svirida, D N / Symons, T J M / Szelezniak, M A / Takahashi, J / Tang, A H / Tang, Z / Tarnowsky, T / Thomas, J H / Timmins, A R / Tlusty, D / Tokarev, M / Trentalange, S / Tribble, R E / Tribedy, P / Trzeciak, B A / Tsai, O D / Turnau, J / Ullrich, T / Underwood, D G / Van Buren, G / van Nieuwenhuizen, G / Vandenbroucke, M / Vanfossen, J A / Varma, R / Vasconcelos, G M S / Vasiliev, A N / Vertesi, R / Videbæk, F / Viyogi, Y P / Vokal, S / Vossen, A / Wada, M / Wang, F / Wang, G / Wang, H / Wang, J S / Wang, X L / Wang, Y / Webb, G / Webb, J C / Westfall, G D / Wieman, H / Wissink, S W / Witt, R / Wu, Y F / Xiao, Z / Xie, W / Xin, K / Xu, H / Xu, J / Xu, N / Xu, Q H / Xu, Y / Xu, Z / Yan, W / Yang, C / Yang, Y / Ye, Z / Yepes, P / Yi, L / Yip, K / Yoo, I-K / Yu, N / Zawisza, Y / Zbroszczyk, H / Zha, W / Zhang, J B / Zhang, J L / Zhang, S / Zhang, X P / Zhang, Y / Zhang, Z P / Zhao, F / Zhao, J / Zhong, C / Zhu, X / Zhu, Y H / Zoulkarneeva, Y / Zyzak, M

    Physical review letters

    2015  Band 115, Heft 9, Seite(n) 92002

    Abstract: We report a new measurement of the midrapidity inclusive jet longitudinal double-spin asymmetry, A_{LL}, in polarized pp collisions at center-of-mass energy sqrt[s]=200  GeV. The STAR data place stringent constraints on polarized parton distribution ... ...

    Abstract We report a new measurement of the midrapidity inclusive jet longitudinal double-spin asymmetry, A_{LL}, in polarized pp collisions at center-of-mass energy sqrt[s]=200  GeV. The STAR data place stringent constraints on polarized parton distribution functions extracted at next-to-leading order from global analyses of inclusive deep-inelastic scattering (DIS), semi-inclusive DIS, and RHIC pp data. The measured asymmetries provide evidence at the 3σ level for positive gluon polarization in the Bjorken-x region x>0.05.
    Sprache Englisch
    Erscheinungsdatum 2015-08-28
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.115.092002
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  4. Artikel ; Online: Beam-energy dependence of charge separation along the magnetic field in Au+Au collisions at RHIC.

    Adamczyk, L / Adkins, J K / Agakishiev, G / Aggarwal, M M / Ahammed, Z / Alekseev, I / Alford, J / Anson, C D / Aparin, A / Arkhipkin, D / Aschenauer, E C / Averichev, G S / Banerjee, A / Beavis, D R / Bellwied, R / Bhasin, A / Bhati, A K / Bhattarai, P / Bichsel, H /
    Bielcik, J / Bielcikova, J / Bland, L C / Bordyuzhin, I G / Borowski, W / Bouchet, J / Brandin, A V / Brovko, S G / Bültmann, S / Bunzarov, I / Burton, T P / Butterworth, J / Caines, H / Calderón de la Barca Sánchez, M / Cebra, D / Cendejas, R / Cervantes, M C / Chaloupka, P / Chang, Z / Chattopadhyay, S / Chen, H F / Chen, J H / Chen, L / Cheng, J / Cherney, M / Chikanian, A / Christie, W / Chwastowski, J / Codrington, M J M / Contin, G / Cramer, J G / Crawford, H J / Cui, X / Das, S / Davila Leyva, A / De Silva, L C / Debbe, R R / Dedovich, T G / Deng, J / Derevschikov, A A / Derradi de Souza, R / Dhamija, S / di Ruzza, B / Didenko, L / Dilks, C / Ding, F / Djawotho, P / Dong, X / Drachenberg, J L / Draper, J E / Du, C M / Dunkelberger, L E / Dunlop, J C / Efimov, L G / Engelage, J / Engle, K S / Eppley, G / Eun, L / Evdokimov, O / Eyser, O / Fatemi, R / Fazio, S / Fedorisin, J / Filip, P / Finch, E / Fisyak, Y / Flores, C E / Gagliardi, C A / Gangadharan, D R / Garand, D / Geurts, F / Gibson, A / Girard, M / Gliske, S / Greiner, L / Grosnick, D / Gunarathne, D S / Guo, Y / Gupta, A / Gupta, S / Guryn, W / Haag, B / Hamed, A / Han, L-X / Haque, R / Harris, J W / Heppelmann, S / Hirsch, A / Hoffmann, G W / Hofman, D J / Horvat, S / Huang, B / Huang, H Z / Huang, X / Huck, P / Humanic, T J / Igo, G / Jacobs, W W / Jang, H / Judd, E G / Kabana, S / Kalinkin, D / Kang, K / Kauder, K / Ke, H W / Keane, D / Kechechyan, A / Kesich, A / Khan, Z H / Kikola, D P / Kisel, I / Kisiel, A / Koetke, D D / Kollegger, T / Konzer, J / Koralt, I / Kotchenda, L / Kraishan, A F / Kravtsov, P / Krueger, K / Kulakov, I / Kumar, L / Kycia, R A / Lamont, M A C / Landgraf, J M / Landry, K D / Lauret, J / Lebedev, A / Lednicky, R / Lee, J H / LeVine, M J / Li, C / Li, W / Li, X / Li, Y / Li, Z M / Lisa, M A / Liu, F / Ljubicic, T / Llope, W J / Lomnitz, M / Longacre, R S / Luo, X / Ma, G L / Ma, Y G / Madagodagettige Don, D M M D / Mahapatra, D P / Majka, R / Margetis, S / Markert, C / Masui, H / Matis, H S / McDonald, D / McShane, T S / Minaev, N G / Mioduszewski, S / Mohanty, B / Mondal, M M / Morozov, D A / Mustafa, M K / Nandi, B K / Nasim, Md / Nayak, T K / Nelson, J M / Nigmatkulov, G / Nogach, L V / Noh, S Y / Novak, J / Nurushev, S B / Odyniec, G / Ogawa, A / Oh, K / Ohlson, A / Okorokov, V / Oldag, E W / Olvitt, D L / Pachr, M / Page, B S / Pal, S K / Pan, Y X / Pandit, Y / Panebratsev, Y / Pawlak, T / Pawlik, B / Pei, H / Perkins, C / Peryt, W / Pile, P / Planinic, M / Pluta, J / Poljak, N / Porter, J / Poskanzer, A M / Pruthi, N K / Przybycien, M / Pujahari, P R / Putschke, J / Qiu, H / Quintero, A / Ramachandran, S / Raniwala, R / Raniwala, S / Ray, R L / Riley, C K / Ritter, H G / Roberts, J B / Rogachevskiy, O V / Romero, J L / Ross, J F / Roy, A / Ruan, L / Rusnak, J / Rusnakova, O / Sahoo, N R / Sahu, P K / Sakrejda, I / Salur, S / Sandweiss, J / Sangaline, E / Sarkar, A / Schambach, J / Scharenberg, R P / Schmah, A M / Schmidke, W B / Schmitz, N / Seger, J / Seyboth, P / Shah, N / Shahaliev, E / Shanmuganathan, P V / Shao, M / Sharma, B / Shen, W Q / Shi, S S / Shou, Q Y / Sichtermann, E P / Singaraju, R N / Skoby, M J / Smirnov, D / Smirnov, N / Solanki, D / Sorensen, P / Spinka, H M / Srivastava, B / Stanislaus, T D S / Stevens, J R / Stock, R / Strikhanov, M / Stringfellow, B / Sumbera, M / Sun, X / Sun, X M / Sun, Y / Sun, Z / Surrow, B / Svirida, D N / Symons, T J M / Szelezniak, M A / Takahashi, J / Tang, A H / Tang, Z / Tarnowsky, T / Thomas, J H / Timmins, A R / Tlusty, D / Tokarev, M / Trentalange, S / Tribble, R E / Tribedy, P / Trzeciak, B A / Tsai, O D / Turnau, J / Ullrich, T / Underwood, D G / Van Buren, G / van Nieuwenhuizen, G / Vandenbroucke, M / Vanfossen, J A / Varma, R / Vasconcelos, G M S / Vasiliev, A N / Vertesi, R / Videbæk, F / Viyogi, Y P / Vokal, S / Voloshin, S A / Vossen, A / Wada, M / Wang, F / Wang, G / Wang, H / Wang, J S / Wang, X L / Wang, Y / Webb, G / Webb, J C / Westfall, G D / Wieman, H / Wissink, S W / Witt, R / Wu, Y F / Xiao, Z / Xie, W / Xin, K / Xu, H / Xu, J / Xu, N / Xu, Q H / Xu, Y / Xu, Z / Yan, W / Yang, C / Yang, Y / Ye, Z / Yepes, P / Yi, L / Yip, K / Yoo, I-K / Yu, N / Zawisza, Y / Zbroszczyk, H / Zha, W / Zhang, J B / Zhang, J L / Zhang, S / Zhang, X P / Zhang, Y / Zhang, Z P / Zhao, F / Zhao, J / Zhong, C / Zhu, X / Zhu, Y H / Zoulkarneeva, Y / Zyzak, M

    Physical review letters

    2014  Band 113, Heft 5, Seite(n) 52302

    Abstract: Local parity-odd domains are theorized to form inside a quark-gluon plasma which has been produced in high-energy heavy-ion collisions. The local parity-odd domains manifest themselves as charge separation along the magnetic field axis via the chiral ... ...

    Abstract Local parity-odd domains are theorized to form inside a quark-gluon plasma which has been produced in high-energy heavy-ion collisions. The local parity-odd domains manifest themselves as charge separation along the magnetic field axis via the chiral magnetic effect. The experimental observation of charge separation has previously been reported for heavy-ion collisions at the top RHIC energies. In this Letter, we present the results of the beam-energy dependence of the charge correlations in Au+Au collisions at midrapidity for center-of-mass energies of 7.7, 11.5, 19.6, 27, 39, and 62.4 GeV from the STAR experiment. After background subtraction, the signal gradually reduces with decreased beam energy and tends to vanish by 7.7 GeV. This implies the dominance of hadronic interactions over partonic ones at lower collision energies.
    Sprache Englisch
    Erscheinungsdatum 2014-08-01
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.113.052302
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  5. Artikel ; Online: Dielectron mass spectra from Au+Au collisions at √[s(NN)]=200  GeV.

    Adamczyk, L / Adkins, J K / Agakishiev, G / Aggarwal, M M / Ahammed, Z / Alekseev, I / Alford, J / Anson, C D / Aparin, A / Arkhipkin, D / Aschenauer, E C / Averichev, G S / Banerjee, A / Barnovska, Z / Beavis, D R / Bellwied, R / Bhasin, A / Bhati, A K / Bhattarai, P /
    Bichsel, H / Bielcik, J / Bielcikova, J / Bland, L C / Bordyuzhin, I G / Borowski, W / Bouchet, J / Brandin, A V / Brovko, S G / Bültmann, S / Bunzarov, I / Burton, T P / Butterworth, J / Caines, H / Calderón de la Barca Sánchez, M / Cebra, D / Cendejas, R / Cervantes, M C / Chaloupka, P / Chang, Z / Chattopadhyay, S / Chen, H F / Chen, J H / Chen, L / Cheng, J / Cherney, M / Chikanian, A / Christie, W / Chwastowski, J / Codrington, M J M / Cramer, J G / Crawford, H J / Cui, X / Das, S / Davila Leyva, A / De Silva, L C / Debbe, R R / Dedovich, T G / Deng, J / Derevschikov, A A / Derradi de Souza, R / Dhamija, S / di Ruzza, B / Didenko, L / Dilks, C / Ding, F / Djawotho, P / Dong, X / Drachenberg, J L / Draper, J E / Du, C M / Dunkelberger, L E / Dunlop, J C / Efimov, L G / Engelage, J / Engle, K S / Eppley, G / Eun, L / Evdokimov, O / Fatemi, R / Fazio, S / Fedorisin, J / Filip, P / Finch, E / Fisyak, Y / Flores, C E / Gagliardi, C A / Gangadharan, D R / Garand, D / Geurts, F / Gibson, A / Girard, M / Gliske, S / Grosnick, D / Guo, Y / Gupta, A / Gupta, S / Guryn, W / Haag, B / Hajkova, O / Hamed, A / Han, L-X / Haque, R / Harris, J W / Heppelmann, S / Hirsch, A / Hoffmann, G W / Hofman, D J / Horvat, S / Huang, B / Huang, H Z / Huang, X / Huck, P / Humanic, T J / Igo, G / Jacobs, W W / Jang, H / Judd, E G / Kabana, S / Kalinkin, D / Kang, K / Kauder, K / Ke, H W / Keane, D / Kechechyan, A / Kesich, A / Khan, Z H / Kikola, D P / Kisel, I / Kisiel, A / Koetke, D D / Kollegger, T / Konzer, J / Koralt, I / Korsch, W / Kotchenda, L / Kravtsov, P / Krueger, K / Kulakov, I / Kumar, L / Kycia, R A / Lamont, M A C / Landgraf, J M / Landry, K D / Lauret, J / Lebedev, A / Lednicky, R / Lee, J H / LeVine, M J / Li, C / Li, W / Li, X / Li, Y / Li, Z M / Lima, L M / Lisa, M A / Liu, F / Ljubicic, T / Llope, W J / Longacre, R S / Luo, X / Ma, G L / Ma, Y G / Madagodagettige Don, D M M D / Mahapatra, D P / Majka, R / Margetis, S / Markert, C / Masui, H / Matis, H S / McDonald, D / McShane, T S / Minaev, N G / Mioduszewski, S / Mohanty, B / Mondal, M M / Morozov, D A / Munhoz, M G / Mustafa, M K / Nandi, B K / Nasim, Md / Nayak, T K / Nelson, J M / Nogach, L V / Noh, S Y / Novak, J / Nurushev, S B / Odyniec, G / Ogawa, A / Oh, K / Ohlson, A / Okorokov, V / Oldag, E W / Oliveira, R A N / Pachr, M / Page, B S / Pal, S K / Pan, Y X / Pandit, Y / Panebratsev, Y / Pawlak, T / Pawlik, B / Pei, H / Perkins, C / Peryt, W / Pile, P / Planinic, M / Pluta, J / Plyku, D / Poljak, N / Porter, J / Poskanzer, A M / Pruthi, N K / Przybycien, M / Pujahari, P R / Qiu, H / Quintero, A / Ramachandran, S / Raniwala, R / Raniwala, S / Ray, R L / Riley, C K / Ritter, H G / Roberts, J B / Rogachevskiy, O V / Romero, J L / Ross, J F / Roy, A / Ruan, L / Rusnak, J / Sahoo, N R / Sahu, P K / Sakrejda, I / Salur, S / Sandacz, A / Sandweiss, J / Sangaline, E / Sarkar, A / Schambach, J / Scharenberg, R P / Schmah, A M / Schmidke, W B / Schmitz, N / Seger, J / Seyboth, P / Shah, N / Shahaliev, E / Shanmuganathan, P V / Shao, M / Sharma, B / Shen, W Q / Shi, S S / Shou, Q Y / Sichtermann, E P / Singaraju, R N / Skoby, M J / Smirnov, D / Smirnov, N / Solanki, D / Sorensen, P / deSouza, U G / Spinka, H M / Srivastava, B / Stanislaus, T D S / Stevens, J R / Stock, R / Strikhanov, M / Stringfellow, B / Suaide, A A P / Sumbera, M / Sun, X / 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 / Tarnowsky, T / Thomas, J H / Timmins, A R / Tlusty, D / Tokarev, M / Trentalange, S / Tribble, R E / Tribedy, P / Trzeciak, B A / Tsai, O D / Turnau, J / Ullrich, T / Underwood, D G / Van Buren, G / van Nieuwenhuizen, G / Vanfossen, J A / Varma, R / Vasconcelos, G M S / Vasiliev, A N / Vertesi, R / Videbæk, F / Viyogi, Y P / Vokal, S / Vossen, A / Wada, M / Wang, F / Wang, G / Wang, H / Wang, J S / Wang, X L / Wang, Y / Webb, G / Webb, J C / Westfall, G D / Wieman, H / Wissink, S W / Witt, R / Wu, Y F / Xiao, Z / Xie, W / Xin, K / Xu, H / Xu, N / Xu, Q H / Xu, Y / Xu, Z / Yan, W / Yang, C / Yang, Y / Ye, Z / Yepes, P / Yi, L / Yip, K / Yoo, I-K / Zawisza, Y / Zbroszczyk, H / Zha, W / Zhang, J B / Zhang, J L / Zhang, S / Zhang, X P / Zhang, Y / Zhang, Z P / Zhao, F / Zhao, J / Zhong, C / Zhu, X / Zhu, Y H / Zoulkarneeva, Y / Zyzak, M

    Physical review letters

    2014  Band 113, Heft 2, Seite(n) 22301

    Abstract: We report the STAR measurements of dielectron (e(+)e(-)) production at midrapidity (|y(ee)|<1) in Au+Au collisions at √[s(NN)]=200  GeV. The measurements are evaluated in different invariant mass regions with a focus on 0.30-0.76 (ρ-like), 0.76-0.80 (ω- ... ...

    Abstract We report the STAR measurements of dielectron (e(+)e(-)) production at midrapidity (|y(ee)|<1) in Au+Au collisions at √[s(NN)]=200  GeV. The measurements are evaluated in different invariant mass regions with a focus on 0.30-0.76 (ρ-like), 0.76-0.80 (ω-like), and 0.98-1.05 (ϕ-like)   GeV/c(2). The spectrum in the ω-like and ϕ-like regions can be well described by the hadronic cocktail simulation. In the ρ-like region, however, the vacuum ρ spectral function cannot describe the shape of the dielectron excess. In this range, an enhancement of 1.77±0.11(stat)±0.24(syst)±0.33(cocktail) is determined with respect to the hadronic cocktail simulation that excludes the ρ meson. The excess yield in the ρ-like region increases with the number of collision participants faster than the ω and ϕ yields. Theoretical models with broadened ρ contributions through interactions with constituents in the hot QCD medium provide a consistent description of the dilepton mass spectra for the measurement presented here and the earlier data at the Super Proton Synchrotron energies.
    Sprache Englisch
    Erscheinungsdatum 2014-07-11
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.113.022301
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  6. Artikel ; Online: Beam-energy dependence of the directed flow of protons, antiprotons, and pions in Au+Au collisions.

    Adamczyk, L / Adkins, J K / Agakishiev, G / Aggarwal, M M / Ahammed, Z / Alekseev, I / Alford, J / Anson, C D / Aparin, A / Arkhipkin, D / Aschenauer, E C / Averichev, G S / Banerjee, A / Beavis, D R / Bellwied, R / Bhasin, A / Bhati, A K / Bhattarai, P / Bichsel, H /
    Bielcik, J / Bielcikova, J / Bland, L C / Bordyuzhin, I G / Borowski, W / Bouchet, J / Brandin, A V / Brovko, S G / Bültmann, S / Bunzarov, I / Burton, T P / Butterworth, J / Caines, H / Calderón de la Barca Sánchez, M / Cebra, D / Cendejas, R / Cervantes, M C / Chaloupka, P / Chang, Z / Chattopadhyay, S / Chen, H F / Chen, J H / Chen, L / Cheng, J / Cherney, M / Chikanian, A / Christie, W / Chwastowski, J / Codrington, M J M / Contin, G / Cramer, J G / Crawford, H J / Cui, X / Das, S / Davila Leyva, A / De Silva, L C / Debbe, R R / Dedovich, T G / Deng, J / Derevschikov, A A / Derradi de Souza, R / Dhamija, S / di Ruzza, B / Didenko, L / Dilks, C / Ding, F / Djawotho, P / Dong, X / Drachenberg, J L / Draper, J E / Du, C M / Dunkelberger, L E / Dunlop, J C / Efimov, L G / Engelage, J / Engle, K S / Eppley, G / Eun, L / Evdokimov, O / Eyser, O / Fatemi, R / Fazio, S / Fedorisin, J / Filip, P / Finch, E / Fisyak, Y / Flores, C E / Gagliardi, C A / Gangadharan, D R / Garand, D / Geurts, F / Gibson, A / Girard, M / Gliske, S / Greiner, L / Grosnick, D / Gunarathne, D S / Guo, Y / Gupta, A / Gupta, S / Guryn, W / Haag, B / Hamed, A / Han, L-X / Haque, R / Harris, J W / Heppelmann, S / Hirsch, A / Hoffmann, G W / Hofman, D J / Horvat, S / Huang, B / Huang, H Z / Huang, X / Huck, P / Humanic, T J / Igo, G / Jacobs, W W / Jang, H / Judd, E G / Kabana, S / Kalinkin, D / Kang, K / Kauder, K / Ke, H W / Keane, D / Kechechyan, A / Kesich, A / Khan, Z H / Kikola, D P / Kisel, I / Kisiel, A / Koetke, D D / Kollegger, T / Konzer, J / Koralt, I / Kotchenda, L / Kraishan, A F / Kravtsov, P / Krueger, K / Kulakov, I / Kumar, L / Kycia, R A / Lamont, M A C / Landgraf, J M / Landry, K D / Lauret, J / Lebedev, A / Lednicky, R / Lee, J H / Levine, M J / Li, C / Li, W / Li, X / Li, Y / Li, Z M / Lisa, M A / Liu, F / Ljubicic, T / Llope, W J / Lomnitz, M / Longacre, R S / Luo, X / Ma, G L / Ma, Y G / Madagodagettige Don, D M M D / Mahapatra, D P / Majka, R / Margetis, S / Markert, C / Masui, H / Matis, H S / McDonald, D / McShane, T S / Minaev, N G / Mioduszewski, S / Mohanty, B / Mondal, M M / Morozov, D A / Mustafa, M K / Nandi, B K / Nasim, Md / Nayak, T K / Nelson, J M / Nigmatkulov, G / Nogach, L V / Noh, S Y / Novak, J / Nurushev, S B / Odyniec, G / Ogawa, A / Oh, K / Ohlson, A / Okorokov, V / Oldag, E W / Olvitt, D L / Pachr, M / Page, B S / Pal, S K / Pan, Y X / Pandit, Y / Panebratsev, Y / Pawlak, T / Pawlik, B / Pei, H / Perkins, C / Peryt, W / Pile, P / Planinic, M / Pluta, J / Poljak, N / Porter, J / Poskanzer, A M / Pruthi, N K / Przybycien, M / Pujahari, P R / Putschke, J / Qiu, H / Quintero, A / Ramachandran, S / Raniwala, R / Raniwala, S / Ray, R L / Riley, C K / Ritter, H G / Roberts, J B / Rogachevskiy, O V / Romero, J L / Ross, J F / Roy, A / Ruan, L / Rusnak, J / Rusnakova, O / Sahoo, N R / Sahu, P K / Sakrejda, I / Salur, S / Sandweiss, J / Sangaline, E / Sarkar, A / Schambach, J / Scharenberg, R P / Schmah, A M / Schmidke, W B / Schmitz, N / Seger, J / Seyboth, P / Shah, N / Shahaliev, E / Shanmuganathan, P V / Shao, M / Sharma, B / Shen, W Q / Shi, S S / Shou, Q Y / Sichtermann, E P / Singaraju, R N / Skoby, M J / Smirnov, D / Smirnov, N / Solanki, D / Sorensen, P / Spinka, H M / Srivastava, B / Stanislaus, T D S / Stevens, J R / Stock, R / Strikhanov, M / Stringfellow, B / Sumbera, M / Sun, X / Sun, X M / Sun, Y / Sun, Z / Surrow, B / Svirida, D N / Symons, T J M / Szelezniak, M A / Takahashi, J / Tang, A H / Tang, Z / Tarnowsky, T / Thomas, J H / Timmins, A R / Tlusty, D / Tokarev, M / Trentalange, S / Tribble, R E / Tribedy, P / Trzeciak, B A / Tsai, O D / Turnau, J / Ullrich, T / Underwood, D G / Van Buren, G / van Nieuwenhuizen, G / Vandenbroucke, M / Vanfossen, J A / Varma, R / Vasconcelos, G M S / Vasiliev, A N / Vertesi, R / Videbæk, F / Viyogi, Y P / Vokal, S / Vossen, A / Wada, M / Wang, F / Wang, G / Wang, H / Wang, J S / Wang, X L / Wang, Y / Webb, G / Webb, J C / Westfall, G D / Wieman, H / Wissink, S W / Witt, R / Wu, Y F / Xiao, Z / Xie, W / Xin, K / Xu, H / Xu, J / Xu, N / Xu, Q H / Xu, Y / Xu, Z / Yan, W / Yang, C / Yang, Y / Ye, Z / Yepes, P / Yi, L / Yip, K / Yoo, I-K / Yu, N / Zawisza, Y / Zbroszczyk, H / Zha, W / Zhang, J B / Zhang, J L / Zhang, S / Zhang, X P / Zhang, Y / Zhang, Z P / Zhao, F / Zhao, J / Zhong, C / Zhu, X / Zhu, Y H / Zoulkarneeva, Y / Zyzak, M

    Physical review letters

    2014  Band 112, Heft 16, Seite(n) 162301

    Abstract: Rapidity-odd directed flow (v1) measurements for charged pions, protons, and antiprotons near midrapidity (y=0) are reported in sNN=7.7, 11.5, 19.6, 27, 39, 62.4, and 200 GeV Au+Au collisions as recorded by the STAR detector at the Relativistic Heavy Ion ...

    Abstract Rapidity-odd directed flow (v1) measurements for charged pions, protons, and antiprotons near midrapidity (y=0) are reported in sNN=7.7, 11.5, 19.6, 27, 39, 62.4, and 200 GeV Au+Au collisions as recorded by the STAR detector at the Relativistic Heavy Ion Collider. At intermediate impact parameters, the proton and net-proton slope parameter dv1/dy|y=0 shows a minimum between 11.5 and 19.6 GeV. In addition, the net-proton dv1/dy|y=0 changes sign twice between 7.7 and 39 GeV. The proton and net-proton results qualitatively resemble predictions of a hydrodynamic model with a first-order phase transition from hadronic matter to deconfined matter, and differ from hadronic transport calculations.
    Sprache Englisch
    Erscheinungsdatum 2014-04-25
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.112.162301
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  7. Artikel ; Online: Energy dependence of moments of net-proton multiplicity distributions at RHIC.

    Adamczyk, L / Adkins, J K / Agakishiev, G / Aggarwal, M M / Ahammed, Z / Alekseev, I / Alford, J / Anson, C D / Aparin, A / Arkhipkin, D / Aschenauer, E C / Averichev, G S / Balewski, J / Banerjee, A / Barnovska, Z / Beavis, D R / Bellwied, R / Bhasin, A / Bhati, A K /
    Bhattarai, P / Bichsel, H / Bielcik, J / Bielcikova, J / Bland, L C / Bordyuzhin, I G / Borowski, W / Bouchet, J / Brandin, A V / Brovko, S G / Bültmann, S / Bunzarov, I / Burton, T P / Butterworth, J / Caines, H / Calderón de la Barca Sánchez, M / Cebra, D / Cendejas, R / Cervantes, M C / Chaloupka, P / Chang, Z / Chattopadhyay, S / Chen, H F / Chen, J H / Chen, L / Cheng, J / Cherney, M / Chikanian, A / Christie, W / Chwastowski, J / Codrington, M J M / Corliss, R / Cramer, J G / Crawford, H J / Cui, X / Das, S / Davila Leyva, A / De Silva, L C / Debbe, R R / Dedovich, T G / Deng, J / Derevschikov, A A / Derradi de Souza, R / Dhamija, S / di Ruzza, B / Didenko, L / Dilks, C / Ding, F / Djawotho, P / Dong, X / Drachenberg, J L / Draper, J E / Du, C M / Dunkelberger, L E / Dunlop, J C / Efimov, L G / Engelage, J / Engle, K S / Eppley, G / Eun, L / Evdokimov, O / Fatemi, R / Fazio, S / Fedorisin, J / Filip, P / Finch, E / Fisyak, Y / Flores, C E / Gagliardi, C A / Gangadharan, D R / Garand, D / Geurts, F / Gibson, A / Girard, M / Gliske, S / Grosnick, D / Guo, Y / Gupta, A / Gupta, S / Guryn, W / Haag, B / Hajkova, O / Hamed, A / Han, L-X / Haque, R / Harris, J W / Hays-Wehle, J P / Heppelmann, S / Hirsch, A / Hoffmann, G W / Hofman, D J / Horvat, S / Huang, B / Huang, H Z / Huck, P / Humanic, T J / Igo, G / Jacobs, W W / Jang, H / Judd, E G / Kabana, S / Kalinkin, D / Kang, K / Kauder, K / Ke, H W / Keane, D / Kechechyan, A / Kesich, A / Khan, Z H / Kikola, D P / Kisel, I / Kisiel, A / Koetke, D D / Kollegger, T / Konzer, J / Koralt, I / Korsch, W / Kotchenda, L / Kravtsov, P / Krueger, K / Kulakov, I / Kumar, L / Kycia, R A / Lamont, M A C / Landgraf, J M / Landry, K D / Lauret, J / Lebedev, A / Lednicky, R / Lee, J H / Leight, W / LeVine, M J / Li, C / Li, W / Li, X / Li, Y / Li, Z M / Lima, L M / Lisa, M A / Liu, F / Ljubicic, T / Llope, W J / Longacre, R S / Luo, X / Ma, G L / Ma, Y G / Madagodagettige Don, D M M D / Mahapatra, D P / Majka, R / Margetis, S / Markert, C / Masui, H / Matis, H S / McDonald, D / McShane, T S / Minaev, N G / Mioduszewski, S / Mohanty, B / Mondal, M M / Morozov, D A / Munhoz, M G / Mustafa, M K / Nandi, B K / Nasim, Md / Nayak, T K / Nelson, J M / Nogach, L V / Noh, S Y / Novak, J / Nurushev, S B / Odyniec, G / Ogawa, A / Oh, K / Ohlson, A / Okorokov, V / Oldag, E W / Oliveira, R A N / Pachr, M / Page, B S / Pal, S K / Pan, Y X / Pandit, Y / Panebratsev, Y / Pawlak, T / Pawlik, B / Pei, H / Perkins, C / Peryt, W / Peterson, A / Pile, P / Planinic, M / Pluta, J / Plyku, D / Poljak, N / Porter, J / Poskanzer, A M / Pruthi, N K / Przybycien, M / Pujahari, P R / Putschke, J / Qiu, H / Quintero, A / Ramachandran, S / Raniwala, R / Raniwala, S / Ray, R L / Riley, C K / Ritter, H G / Roberts, J B / Rogachevskiy, O V / Romero, J L / Ross, J F / Roy, A / Ruan, L / Rusnak, J / Sahoo, N R / Sahu, P K / Sakrejda, I / Salur, S / Sandacz, A / Sandweiss, J / Sangaline, E / Sarkar, A / Schambach, J / Scharenberg, R P / Schmah, A M / Schmidke, W B / Schmitz, N / Seger, J / Seyboth, P / Shah, N / Shahaliev, E / Shanmuganathan, P V / Shao, M / Sharma, B / Shen, W Q / Shi, S S / Shou, Q Y / Sichtermann, E P / Singaraju, R N / Skoby, M J / Smirnov, D / Smirnov, N / Solanki, D / Sorensen, P / deSouza, U G / Spinka, H M / Srivastava, B / Stanislaus, T D S / Stevens, J R / Stock, R / Strikhanov, M / Stringfellow, B / Suaide, A A P / Sumbera, M / Sun, X / 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 / Tarnowsky, T / Thomas, J H / Timmins, A R / Tlusty, D / Tokarev, M / Trentalange, S / Tribble, R E / Tribedy, P / Trzeciak, B A / Tsai, O D / Turnau, J / Ullrich, T / Underwood, D G / Van Buren, G / van Nieuwenhuizen, G / Vanfossen, J A / Varma, R / Vasconcelos, G M S / Vasiliev, A N / Vertesi, R / Videbæk, F / Viyogi, Y P / Vokal, S / Voloshin, S A / Vossen, A / Wada, M / Walker, M / Wang, F / Wang, G / Wang, H / Wang, J S / Wang, X L / Wang, Y / Webb, G / Webb, J C / Westfall, G D / Wieman, H / Wissink, S W / Witt, R / Wu, Y F / Xiao, Z / Xie, W / Xin, K / Xu, H / Xu, N / Xu, Q H / Xu, Y / Xu, Z / Yan, W / Yang, C / Yang, Y / Ye, Z / Yepes, P / Yi, L / Yip, K / Yoo, I-K / Zawisza, Y / Zbroszczyk, H / Zha, W / Zhang, J B / Zhang, S / Zhang, X P / Zhang, Y / Zhang, Z P / Zhao, F / Zhao, J / Zhong, C / Zhu, X / Zhu, Y H / Zoulkarneeva, Y / Zyzak, M

    Physical review letters

    2014  Band 112, Heft 3, Seite(n) 32302

    Abstract: We report the beam energy (sqrt[sNN]=7.7-200  GeV) and collision centrality dependence of the mean (M), standard deviation (σ), skewness (S), and kurtosis (κ) of the net-proton multiplicity distributions in Au+Au collisions. The measurements are carried ... ...

    Abstract We report the beam energy (sqrt[sNN]=7.7-200  GeV) and collision centrality dependence of the mean (M), standard deviation (σ), skewness (S), and kurtosis (κ) of the net-proton multiplicity distributions in Au+Au collisions. The measurements are carried out by the STAR experiment at midrapidity (|y|<0.5) and within the transverse momentum range 0.4<pT<0.8  GeV/c in the first phase of the Beam Energy Scan program at the Relativistic Heavy Ion Collider. These measurements are important for understanding the quantum chromodynamic phase diagram. The products of the moments, Sσ and κσ2, are sensitive to the correlation length of the hot and dense medium created in the collisions and are related to the ratios of baryon number susceptibilities of corresponding orders. The products of moments are found to have values significantly below the Skellam expectation and close to expectations based on independent proton and antiproton production. The measurements are compared to a transport model calculation to understand the effect of acceptance and baryon number conservation and also to a hadron resonance gas model.<br />
    Sprache Englisch
    Erscheinungsdatum 2014-01-24
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.112.032302
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  8. Artikel ; Online: Jet-hadron correlations in √[s(NN)]=200  GeV p+p and central Au+Au collisions.

    Adamczyk, L / Adkins, J K / Agakishiev, G / Aggarwal, M M / Ahammed, Z / Alekseev, I / Alford, J / Anson, C D / Aparin, A / Arkhipkin, D / Aschenauer, E C / Averichev, G S / Banerjee, A / Beavis, D R / Bellwied, R / Bhasin, A / Bhati, A K / Bhattarai, P / Bichsel, H /
    Bielcik, J / Bielcikova, J / Bland, L C / Bordyuzhin, I G / Borowski, W / Bouchet, J / Brandin, A V / Brovko, S G / Bültmann, S / Bunzarov, I / Burton, T P / Butterworth, J / Caines, H / Calderón de la Barca Sánchez, M / Cebra, D / Cendejas, R / Cervantes, M C / Chaloupka, P / Chang, Z / Chattopadhyay, S / Chen, H F / Chen, J H / Chen, L / Cheng, J / Cherney, M / Chikanian, A / Christie, W / Chwastowski, J / Codrington, M J M / Contin, G / Cramer, J G / Crawford, H J / Cui, X / Das, S / Davila Leyva, A / De Silva, L C / Debbe, R R / Dedovich, T G / Deng, J / Derevschikov, A A / Derradi de Souza, R / Dhamija, S / di Ruzza, B / Didenko, L / Dilks, C / Ding, F / Djawotho, P / Dong, X / Drachenberg, J L / Draper, J E / Du, C M / Dunkelberger, L E / Dunlop, J C / Efimov, L G / Engelage, J / Engle, K S / Eppley, G / Eun, L / Evdokimov, O / Eyser, O / Fatemi, R / Fazio, S / Fedorisin, J / Filip, P / Finch, E / Fisyak, Y / Flores, C E / Gagliardi, C A / Gangadharan, D R / Garand, D / Geurts, F / Gibson, A / Girard, M / Gliske, S / Greiner, L / Grosnick, D / Gunarathne, D S / Guo, Y / Gupta, A / Gupta, S / Guryn, W / Haag, B / Hamed, A / Han, L-X / Haque, R / Harris, J W / Heppelmann, S / Hirsch, A / Hoffmann, G W / Hofman, D J / Horvat, S / Huang, B / Huang, H Z / Huang, X / Huck, P / Humanic, T J / Igo, G / Jacobs, W W / Jang, H / Judd, E G / Kabana, S / Kalinkin, D / Kang, K / Kauder, K / Ke, H W / Keane, D / Kechechyan, A / Kesich, A / Khan, Z H / Kikola, D P / Kisel, I / Kisiel, A / Koetke, D D / Kollegger, T / Konzer, J / Koralt, I / Kotchenda, L / Kraishan, A F / Kravtsov, P / Krueger, K / Kulakov, I / Kumar, L / Kycia, R A / Lamont, M A C / Landgraf, J M / Landry, K D / Lauret, J / Lebedev, A / Lednicky, R / Lee, J H / LeVine, M J / Li, C / Li, W / Li, X / Li, Y / Li, Z M / Lisa, M A / Liu, F / Ljubicic, T / Llope, W J / Lomnitz, M / Longacre, R S / Luo, X / Ma, G L / Ma, Y G / Madagodagettige Don, D M M D / Mahapatra, D P / Majka, R / Margetis, S / Markert, C / Masui, H / Matis, H S / McDonald, D / McShane, T S / Minaev, N G / Mioduszewski, S / Mohanty, B / Mondal, M M / Morozov, D A / Mustafa, M K / Nandi, B K / Nasim, Md / Nayak, T K / Nelson, J M / Nigmatkulov, G / Nogach, L V / Noh, S Y / Novak, J / Nurushev, S B / Odyniec, G / Ogawa, A / Oh, K / Ohlson, A / Okorokov, V / Oldag, E W / Olvitt, D L / Pachr, M / Page, B S / Pal, S K / Pan, Y X / Pandit, Y / Panebratsev, Y / Pawlak, T / Pawlik, B / Pei, H / Perkins, C / Peryt, W / Pile, P / Planinic, M / Pluta, J / Poljak, N / Porter, J / Poskanzer, A M / Pruthi, N K / Przybycien, M / Pujahari, P R / Putschke, J / Qiu, H / Quintero, A / Ramachandran, S / Raniwala, R / Raniwala, S / Ray, R L / Riley, C K / Ritter, H G / Roberts, J B / Rogachevskiy, O V / Romero, J L / Ross, J F / Roy, A / Ruan, L / Rusnak, J / Rusnakova, O / Sahoo, N R / Sahu, P K / Sakrejda, I / Salur, S / Sandweiss, J / Sangaline, E / Sarkar, A / Schambach, J / Scharenberg, R P / Schmah, A M / Schmidke, W B / Schmitz, N / Seger, J / Seyboth, P / Shah, N / Shahaliev, E / Shanmuganathan, P V / Shao, M / Sharma, B / Shen, W Q / Shi, S S / Shou, Q Y / Sichtermann, E P / Singaraju, R N / Skoby, M J / Smirnov, D / Smirnov, N / Solanki, D / Sorensen, P / Spinka, H M / Srivastava, B / Stanislaus, T D S / Stevens, J R / Stock, R / Strikhanov, M / Stringfellow, B / Sumbera, M / Sun, X / Sun, X M / Sun, Y / Sun, Z / Surrow, B / Svirida, D N / Symons, T J M / Szelezniak, M A / Takahashi, J / Tang, A H / Tang, Z / Tarnowsky, T / Thomas, J H / Timmins, A R / Tlusty, D / Tokarev, M / Trentalange, S / Tribble, R E / Tribedy, P / Trzeciak, B A / Tsai, O D / Turnau, J / Ullrich, T / Underwood, D G / Van Buren, G / van Nieuwenhuizen, G / Vandenbroucke, M / Vanfossen, J A / Varma, R / Vasconcelos, G M S / Vasiliev, A N / Vertesi, R / Videbæk, F / Viyogi, Y P / Vokal, S / Vossen, A / Wada, M / Wang, F / Wang, G / Wang, H / Wang, J S / Wang, X L / Wang, Y / Webb, G / Webb, J C / Westfall, G D / Wieman, H / Wissink, S W / Witt, R / Wu, Y F / Xiao, Z / Xie, W / Xin, K / Xu, H / Xu, J / Xu, N / Xu, Q H / Xu, Y / Xu, Z / Yan, W / Yang, C / Yang, Y / Ye, Z / Yepes, P / Yi, L / Yip, K / Yoo, I-K / Yu, N / Zawisza, Y / Zbroszczyk, H / Zha, W / Zhang, J B / Zhang, J L / Zhang, S / Zhang, X P / Zhang, Y / Zhang, Z P / Zhao, F / Zhao, J / Zhong, C / Zhu, X / Zhu, Y H / Zoulkarneeva, Y / Zyzak, M

    Physical review letters

    2014  Band 112, Heft 12, Seite(n) 122301

    Abstract: Azimuthal angular correlations of charged hadrons with respect to the axis of a reconstructed (trigger) jet in Au+Au and p+p collisions at √[s(NN)]=200  GeV in STAR are presented. The trigger jet population in Au+Au collisions is biased toward jets that ... ...

    Abstract Azimuthal angular correlations of charged hadrons with respect to the axis of a reconstructed (trigger) jet in Au+Au and p+p collisions at √[s(NN)]=200  GeV in STAR are presented. The trigger jet population in Au+Au collisions is biased toward jets that have not interacted with the medium, allowing easier matching of jet energies between Au+Au and p+p collisions while enhancing medium effects on the recoil jet. The associated hadron yield of the recoil jet is significantly suppressed at high transverse momentum (pTassoc) and enhanced at low pTassoc in 0%-20% central Au+Au collisions compared to p+p collisions, which is indicative of medium-induced parton energy loss in ultrarelativistic heavy-ion collisions.
    Sprache Englisch
    Erscheinungsdatum 2014-03-28
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.112.122301
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  9. Artikel ; Online: Observation of D0 meson nuclear modifications in Au+Au collisions at sqrt[s(NN)] = 200 GeV.

    Adamczyk, L / Adkins, J K / Agakishiev, G / Aggarwal, M M / Ahammed, Z / Alekseev, I / Alford, J / Anson, C D / Aparin, A / Arkhipkin, D / Aschenauer, E C / Averichev, G S / Banerjee, A / Beavis, D R / Bellwied, R / Bhasin, A / Bhati, A K / Bhattarai, P / Bichsel, H /
    Bielcik, J / Bielcikova, J / Bland, L C / Bordyuzhin, I G / Borowski, W / Bouchet, J / Brandin, A V / Brovko, S G / Bültmann, S / Bunzarov, I / Burton, T P / Butterworth, J / Caines, H / Calderón de la Barca Sánchez, M / Cebra, D / Cendejas, R / Cervantes, M C / Chaloupka, P / Chang, Z / Chattopadhyay, S / Chen, H F / Chen, J H / Chen, L / Cheng, J / Cherney, M / Chikanian, A / Christie, W / Chwastowski, J / Codrington, M J M / Contin, G / Cramer, J G / Crawford, H J / Cui, X / Das, S / Davila Leyva, A / De Silva, L C / Debbe, R R / Dedovich, T G / Deng, J / Derevschikov, A A / Derradi de Souza, R / Dhamija, S / di Ruzza, B / Didenko, L / Dilks, C / Ding, F / Djawotho, P / Dong, X / Drachenberg, J L / Draper, J E / Du, C M / Dunkelberger, L E / Dunlop, J C / Efimov, L G / Engelage, J / Engle, K S / Eppley, G / Eun, L / Evdokimov, O / Eyser, O / Fatemi, R / Fazio, S / Fedorisin, J / Filip, P / Finch, E / Fisyak, Y / Flores, C E / Gagliardi, C A / Gangadharan, D R / Garand, D / Geurts, F / Gibson, A / Girard, M / Gliske, S / Greiner, L / Grosnick, D / Gunarathne, D S / Guo, Y / Gupta, A / Gupta, S / Guryn, W / Haag, B / Hamed, A / Han, L-X / Haque, R / Harris, J W / Heppelmann, S / Hirsch, A / Hoffmann, G W / Hofman, D J / Horvat, S / Huang, B / Huang, H Z / Huang, X / Huck, P / Humanic, T J / Igo, G / Jacobs, W W / Jang, H / Judd, E G / Kabana, S / Kalinkin, D / Kang, K / Kauder, K / Ke, H W / Keane, D / Kechechyan, A / Kesich, A / Khan, Z H / Kikola, D P / Kisel, I / Kisiel, A / Koetke, D D / Kollegger, T / Konzer, J / Koralt, I / Kotchenda, L / Kraishan, A F / Kravtsov, P / Krueger, K / Kulakov, I / Kumar, L / Kycia, R A / Lamont, M A C / Landgraf, J M / Landry, K D / Lauret, J / Lebedev, A / Lednicky, R / Lee, J H / LeVine, M J / Li, C / Li, W / Li, X / Li, Y / Li, Z M / Lisa, M A / Liu, F / Ljubicic, T / Llope, W J / Lomnitz, M / Longacre, R S / Luo, X / Ma, G L / Ma, Y G / Madagodagettige Don, D M M D / Mahapatra, D P / Majka, R / Margetis, S / Markert, C / Masui, H / Matis, H S / McDonald, D / McShane, T S / Minaev, N G / Mioduszewski, S / Mohanty, B / Mondal, M M / Morozov, D A / Mustafa, M K / Nandi, B K / Nasim, Md / Nayak, T K / Nelson, J M / Nigmatkulov, G / Nogach, L V / Noh, S Y / Novak, J / Nurushev, S B / Odyniec, G / Ogawa, A / Oh, K / Ohlson, A / Okorokov, V / Oldag, E W / Olvitt, D L / Pachr, M / Page, B S / Pal, S K / Pan, Y X / Pandit, Y / Panebratsev, Y / Pawlak, T / Pawlik, B / Pei, H / Perkins, C / Peryt, W / Pile, P / Planinic, M / Pluta, J / Poljak, N / Porter, J / Poskanzer, A M / Pruthi, N K / Przybycien, M / Pujahari, P R / Putschke, J / Qiu, H / Quintero, A / Ramachandran, S / Raniwala, R / Raniwala, S / Ray, R L / Riley, C K / Ritter, H G / Roberts, J B / Rogachevskiy, O V / Romero, J L / Ross, J F / Roy, A / Ruan, L / Rusnak, J / Rusnakova, O / Sahoo, N R / Sahu, P K / Sakrejda, I / Salur, S / Sandweiss, J / Sangaline, E / Sarkar, A / Schambach, J / Scharenberg, R P / Schmah, A M / Schmidke, W B / Schmitz, N / Seger, J / Seyboth, P / Shah, N / Shahaliev, E / Shanmuganathan, P V / Shao, M / Sharma, B / Shen, W Q / Shi, S S / Shou, Q Y / Sichtermann, E P / Singaraju, R N / Skoby, M J / Smirnov, D / Smirnov, N / Solanki, D / Sorensen, P / Spinka, H M / Srivastava, B / Stanislaus, T D S / Stevens, J R / Stock, R / Strikhanov, M / Stringfellow, B / Sumbera, M / Sun, X / Sun, X M / Sun, Y / Sun, Z / Surrow, B / Svirida, D N / Symons, T J M / Szelezniak, M A / Takahashi, J / Tang, A H / Tang, Z / Tarnowsky, T / Thomas, J H / Timmins, A R / Tlusty, D / Tokarev, M / Trentalange, S / Tribble, R E / Tribedy, P / Trzeciak, B A / Tsai, O D / Turnau, J / Ullrich, T / Underwood, D G / Van Buren, G / van Nieuwenhuizen, G / Vandenbroucke, M / Vanfossen, J A / Varma, R / Vasconcelos, G M S / Vasiliev, A N / Vertesi, R / Videbæk, F / Viyogi, Y P / Vokal, S / Vossen, A / Wada, M / Wang, F / Wang, G / Wang, H / Wang, J S / Wang, X L / Wang, Y / Webb, G / Webb, J C / Westfall, G D / Wieman, H / Wissink, S W / Witt, R / Wu, Y F / Xiao, Z / Xie, W / Xin, K / Xu, H / Xu, J / Xu, N / Xu, Q H / Xu, Y / Xu, Z / Yan, W / Yang, C / Yang, Y / Ye, Z / Yepes, P / Yi, L / Yip, K / Yoo, I-K / Yu, N / Zawisza, Y / Zbroszczyk, H / Zha, W / Zhang, J B / Zhang, J L / Zhang, S / Zhang, X P / Zhang, Y / Zhang, Z P / Zhao, F / Zhao, J / Zhong, C / Zhu, X / Zhu, Y H / Zoulkarneeva, Y / Zyzak, M

    Physical review letters

    2014  Band 113, Heft 14, Seite(n) 142301

    Abstract: We report the first measurement of charmed-hadron (D(0)) production via the hadronic decay channel (D(0) → K(-) + π(+)) in Au+Au collisions at sqrt[s(NN)] = 200 GeV with the STAR experiment. The charm production cross section per nucleon-nucleon ... ...

    Abstract We report the first measurement of charmed-hadron (D(0)) production via the hadronic decay channel (D(0) → K(-) + π(+)) in Au+Au collisions at sqrt[s(NN)] = 200 GeV with the STAR experiment. The charm production cross section per nucleon-nucleon collision at midrapidity scales with the number of binary collisions, N(bin), from p+p to central Au+Au collisions. The D(0) meson yields in central Au + Au collisions are strongly suppressed compared to those in p+p scaled by N(bin), for transverse momenta p(T) > 3 GeV/c, demonstrating significant energy loss of charm quarks in the hot and dense medium. An enhancement at intermediate p(T) is also observed. Model calculations including strong charm-medium interactions and coalescence hadronization describe our measurements.
    Sprache Englisch
    Erscheinungsdatum 2014-09-30
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.113.142301
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  10. Artikel ; Online: Measurement of longitudinal spin asymmetries for weak boson production in polarized proton-proton collisions at RHIC.

    Adamczyk, L / Adkins, J K / Agakishiev, G / Aggarwal, M M / Ahammed, Z / Alekseev, I / Alford, J / Anson, C D / Aparin, A / Arkhipkin, D / Aschenauer, E C / Averichev, G S / Balewski, J / Banerjee, A / Beavis, D R / Bellwied, R / Bhasin, A / Bhati, A K / Bhattarai, P /
    Bichsel, H / Bielcik, J / Bielcikova, J / Bland, L C / Bordyuzhin, I G / Borowski, W / Bouchet, J / Brandin, A V / Brovko, S G / Bültmann, S / Bunzarov, I / Burton, T P / Butterworth, J / Caines, H / Calderón de la Barca Sánchez, M / Campbell, J M / Cebra, D / Cendejas, R / Cervantes, M C / Chaloupka, P / Chang, Z / Chattopadhyay, S / Chen, H F / Chen, J H / Chen, L / Cheng, J / Cherney, M / Chikanian, A / Christie, W / Chwastowski, J / Codrington, M J M / Contin, G / Cramer, J G / Crawford, H J / Cui, X / Das, S / Davila Leyva, A / De Silva, L C / Debbe, R R / Dedovich, T G / Deng, J / Derevschikov, A A / Derradi de Souza, R / Dhamija, S / di Ruzza, B / Didenko, L / Dilks, C / Ding, F / Djawotho, P / Dong, X / Drachenberg, J L / Draper, J E / Du, C M / Dunkelberger, L E / Dunlop, J C / Efimov, L G / Engelage, J / Engle, K S / Eppley, G / Eun, L / Evdokimov, O / Eyser, O / Fatemi, R / Fazio, S / Fedorisin, J / Filip, P / Finch, E / Fisyak, Y / Flores, C E / Gagliardi, C A / Gangadharan, D R / Garand, D / Geurts, F / Gibson, A / Girard, M / Gliske, S / Greiner, L / Grosnick, D / Gunarathne, D S / Guo, Y / Gupta, A / Gupta, S / Guryn, W / Haag, B / Hamed, A / Han, L-X / Haque, R / Harris, J W / Heppelmann, S / Hirsch, A / Hoffmann, G W / Hofman, D J / Horvat, S / Huang, B / Huang, H Z / Huang, X / Huck, P / Humanic, T J / Igo, G / Jacobs, W W / Jang, H / Judd, E G / Kabana, S / Kalinkin, D / Kang, K / Kauder, K / Ke, H W / Keane, D / Kechechyan, A / Kesich, A / Khan, Z H / Kikola, D P / Kisel, I / Kisiel, A / Koetke, D D / Kollegger, T / Konzer, J / Koralt, I / Kosarzewski, L K / Kotchenda, L / Kraishan, A F / Kravtsov, P / Krueger, K / Kulakov, I / Kumar, L / Kycia, R A / Lamont, M A C / Landgraf, J M / Landry, K D / Lauret, J / Lebedev, A / Lednicky, R / Lee, J H / LeVine, M J / Li, C / Li, W / Li, X / Li, Y / Li, Z M / Lisa, M A / Liu, F / Ljubicic, T / Llope, W J / Lomnitz, M / Longacre, R S / Luo, X / Ma, G L / Ma, Y G / Madagodagettige Don, D M M D / Mahapatra, D P / Majka, R / Margetis, S / Markert, C / Masui, H / Matis, H S / McDonald, D / McShane, T S / Minaev, N G / Mioduszewski, S / Mohanty, B / Mondal, M M / Morozov, D A / Mustafa, M K / Nandi, B K / Nasim, Md / Nayak, T K / Nelson, J M / Nigmatkulov, G / Nogach, L V / Noh, S Y / Novak, J / Nurushev, S B / Odyniec, G / Ogawa, A / Oh, K / Ohlson, A / Okorokov, V / Oldag, E W / Olvitt, D L / Pachr, M / Page, B S / Pal, S K / Pan, Y X / Pandit, Y / Panebratsev, Y / Pawlak, T / Pawlik, B / Pei, H / Perkins, C / Peryt, W / Pile, P / Planinic, M / Pluta, J / Poljak, N / Poniatowska, K / Porter, J / Poskanzer, A M / Pruthi, N K / Przybycien, M / Pujahari, P R / Putschke, J / Qiu, H / Quintero, A / Ramachandran, S / Raniwala, R / Raniwala, S / Ray, R L / Riley, C K / Ritter, H G / Roberts, J B / Rogachevskiy, O V / Romero, J L / Ross, J F / Roy, A / Ruan, L / Rusnak, J / Rusnakova, O / Sahoo, N R / Sahu, P K / Sakrejda, I / Salur, S / Sandweiss, J / Sangaline, E / Sarkar, A / Schambach, J / Scharenberg, R P / Schmah, A M / Schmidke, W B / Schmitz, N / Seger, J / Seyboth, P / Shah, N / Shahaliev, E / Shanmuganathan, P V / Shao, M / Sharma, B / Shen, W Q / Shi, S S / Shou, Q Y / Sichtermann, E P / Singaraju, R N / Skoby, M J / Smirnov, D / Smirnov, N / Solanki, D / Sorensen, P / Spinka, H M / Srivastava, B / Stanislaus, T D S / Stevens, J R / Stock, R / Strikhanov, M / Stringfellow, B / Sumbera, M / Sun, X / Sun, X M / Sun, Y / Sun, Z / Surrow, B / Svirida, D N / Symons, T J M / Szelezniak, M A / Takahashi, J / Tang, A H / Tang, Z / Tarnowsky, T / Thomas, J H / Timmins, A R / Tlusty, D / Tokarev, M / Trentalange, S / Tribble, R E / Tribedy, P / Trzeciak, B A / Tsai, O D / Turnau, J / Ullrich, T / Underwood, D G / Van Buren, G / van Nieuwenhuizen, G / Vandenbroucke, M / Vanfossen, J A / Varma, R / Vasconcelos, G M S / Vasiliev, A N / Vertesi, R / Videbæk, F / Viyogi, Y P / Vokal, S / Vossen, A / Wada, M / Wang, F / Wang, G / Wang, H / Wang, J S / Wang, X L / Wang, Y / Webb, G / Webb, J C / Westfall, G D / Wieman, H / Wissink, S W / Witt, R / Wu, Y F / Xiao, Z / Xie, W / Xin, K / Xu, H / Xu, J / Xu, N / Xu, Q H / Xu, Y / Xu, Z / Yan, W / Yang, C / Yang, Y / Ye, Z / Yepes, P / Yi, L / Yip, K / Yoo, I-K / Yu, N / Zawisza, Y / Zbroszczyk, H / Zha, W / Zhang, J B / Zhang, J L / Zhang, S / Zhang, X P / Zhang, Y / Zhang, Z P / Zhao, F / Zhao, J / Zhong, C / Zhu, X / Zhu, Y H / Zoulkarneeva, Y / Zyzak, M

    Physical review letters

    2014  Band 113, Heft 7, Seite(n) 72301

    Abstract: We report measurements of single- and double-spin asymmetries for W^{±} and Z/γ^{*} boson production in longitudinally polarized p+p collisions at sqrt[s]=510  GeV by the STAR experiment at RHIC. The asymmetries for W^{±} were measured as a function of ... ...

    Abstract We report measurements of single- and double-spin asymmetries for W^{±} and Z/γ^{*} boson production in longitudinally polarized p+p collisions at sqrt[s]=510  GeV by the STAR experiment at RHIC. The asymmetries for W^{±} were measured as a function of the decay lepton pseudorapidity, which provides a theoretically clean probe of the proton's polarized quark distributions at the scale of the W mass. The results are compared to theoretical predictions, constrained by polarized deep inelastic scattering measurements, and show a preference for a sizable, positive up antiquark polarization in the range 0.05<x<0.2.<br />
    Sprache Englisch
    Erscheinungsdatum 2014-08-15
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.113.072301
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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