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  1. AU="Vaurynovich, S"
  2. AU="Arregle, Florent"
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  1. Article: System size, energy, and centrality dependence of pseudorapidity distributions of charged particles in relativistic heavy-ion collisions.

    Alver, B / Back, B B / Baker, M D / Ballintijn, M / Barton, D S / Betts, R R / Bindel, R / Busza, W / Chai, Z / Chetluru, V / García, E / Gburek, T / Gulbrandsen, K / Hamblen, J / Harnarine, I / Henderson, C / Hofman, D J / Hollis, R S / Hołyński, R /
    Holzman, B / Iordanova, A / Kane, J L / Kulinich, P / Kuo, C M / Li, W / Lin, W T / Loizides, C / Manly, S / Mignerey, A C / Nouicer, R / Olszewski, A / Pak, R / Reed, C / Richardson, E / Roland, C / Roland, G / Sagerer, J / Sedykh, I / Smith, C E / Stankiewicz, M A / Steinberg, P / Stephans, G S F / Sukhanov, A / Szostak, A / Tonjes, M B / Trzupek, A / van Nieuwenhuizen, G J / Vaurynovich, S S / Verdier, R / Veres, G I / Walters, P / Wenger, E / Willhelm, D / Wolfs, F L H / Wosiek, B / Woźniak, K / Wyngaardt, S / Wysłouch, B

    Physical review letters

    2009  Volume 102, Issue 14, Page(s) 142301

    Abstract: We present the first measurements of the pseudorapidity distribution of primary charged particles in Cu+Cu collisions as a function of collision centrality and energy, sqrt[s_{NN}]=22.4, 62.4, and 200 GeV, over a wide range of pseudorapidity, using the ... ...

    Abstract We present the first measurements of the pseudorapidity distribution of primary charged particles in Cu+Cu collisions as a function of collision centrality and energy, sqrt[s_{NN}]=22.4, 62.4, and 200 GeV, over a wide range of pseudorapidity, using the PHOBOS detector. A comparison of Cu+Cu and Au+Au results shows that the total number of produced charged particles and the rough shape (height and width) of the pseudorapidity distributions are determined by the number of nucleon participants. More detailed studies reveal that a more precise matching of the shape of the Cu+Cu and Au+Au pseudorapidity distributions over the full range of pseudorapidity occurs for the same N{part}/2A rather than the same N_{part}. In other words, it is the collision geometry rather than just the number of nucleon participants that drives the detailed shape of the pseudorapidity distribution and its centrality dependence at RHIC energies.
    Language English
    Publishing date 2009-04-10
    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.102.142301
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Event-by-event fluctuations of azimuthal particle anisotropy in Au+Au collisions at square root(sNN) = 200 GeV.

    Alver, B / Back, B B / Baker, M D / Ballintijn, M / Barton, D S / Betts, R R / Bickley, A A / Bindel, R / Busza, W / Carroll, A / Chai, Z / Decowski, M P / García, E / Gburek, T / George, N / Gulbrandsen, K / Halliwell, C / Hamblen, J / Hauer, M /
    Henderson, C / Hofman, D J / Hollis, R S / Hołyński, R / Holzman, B / Iordanova, A / Johnson, E / Kane, J L / Khan, N / Kulinich, P / Kuo, C M / Li, W / Lin, W T / Loizides, C / Manly, S / Mignerey, A C / Nouicer, R / Olszewski, A / Pak, R / Reed, C / Roland, C / Roland, G / Sagerer, J / Seals, H / Sedykh, I / Smith, C E / Stankiewicz, M A / Steinberg, P / Stephans, G S F / Sukhanov, A / Tonjes, M B / Trzupek, A / Vale, C / van Nieuwenhuizen, G J / Vaurynovich, S S / Verdier, R / Veres, G I / Walters, P / Wenger, E / Wolfs, F L H / Wosiek, B / Woźniak, K / Wysłouch, B

    Physical review letters

    2010  Volume 104, Issue 14, Page(s) 142301

    Abstract: This Letter presents the first measurement of event-by-event fluctuations of the elliptic flow parameter v(2) in Au+Au collisions at square root(s(NN))=200 GeV as a function of collision centrality. The relative nonstatistical fluctuations of the v(2) ... ...

    Abstract This Letter presents the first measurement of event-by-event fluctuations of the elliptic flow parameter v(2) in Au+Au collisions at square root(s(NN))=200 GeV as a function of collision centrality. The relative nonstatistical fluctuations of the v(2) parameter are found to be approximately 40%. The results, including contributions from event-by-event elliptic flow fluctuations and from azimuthal correlations that are unrelated to the reaction plane (nonflow correlations), establish an upper limit on the magnitude of underlying elliptic flow fluctuations. This limit is consistent with predictions based on spatial fluctuations of the participating nucleons in the initial nuclear overlap region. These results provide important constraints on models of the initial state and hydrodynamic evolution of relativistic heavy ion collisions.
    Language English
    Publishing date 2010-04-09
    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.104.142301
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: High transverse momentum triggered correlations over a large pseudorapidity acceptance in Au + Au collisions at square root(s(NN)) = 200 GeV.

    Alver, B / Back, B B / Baker, M D / Ballintijn, M / Barton, D S / Betts, R R / Bickley, A A / Bindel, R / Busza, W / Carroll, A / Chai, Z / Chetluru, V / Decowski, M P / García, E / Gburek, T / George, N / Gulbrandsen, K / Halliwell, C / Hamblen, J /
    Hauer, M / Henderson, C / Hofman, D J / Hollis, R S / Hołyński, R / Holzman, B / Iordanova, A / Johnson, E / Kane, J L / Khan, N / Kulinich, P / Kuo, C M / Li, W / Lin, W T / Loizides, C / Manly, S / Mignerey, A C / Nouicer, R / Olszewski, A / Pak, R / Reed, C / Roland, C / Roland, G / Sagerer, J / Seals, H / Sedykh, I / Smith, C E / Stankiewicz, M A / Steinberg, P / Stephans, G S F / Sukhanov, A / Tonjes, M B / Trzupek, A / Vale, C / van Nieuwenhuizen, G J / Vaurynovich, S S / Verdier, R / Veres, G I / Walters, P / Wenger, E / Wolfs, F L H / Wosiek, B / Woźniak, K / Wysłouch, B

    Physical review letters

    2010  Volume 104, Issue 6, Page(s) 62301

    Abstract: A measurement of two-particle correlations with a high transverse momentum trigger particle (p(T)(trig) > 2.5 GeV/c) is presented for Au+Au collisions at square root(s(NN)) = 200 GeV over the uniquely broad longitudinal acceptance of the PHOBOS detector ( ...

    Abstract A measurement of two-particle correlations with a high transverse momentum trigger particle (p(T)(trig) > 2.5 GeV/c) is presented for Au+Au collisions at square root(s(NN)) = 200 GeV over the uniquely broad longitudinal acceptance of the PHOBOS detector (-4 < Delta eta < 2). A broadening of the away-side azimuthal correlation compared to elementary collisions is observed at all Delta eta. As in p+p collisions, the near side is characterized by a peak of correlated partners at small angle relative to the trigger particle. However, in central Au+Au collisions an additional correlation extended in Delta eta and known as the "ridge" is found to reach at least |Delta eta| approximately = 4. The ridge yield is largely independent of Delta eta over the measured range, and it decreases towards more peripheral collisions. For the chosen (p(T)(trig) cut, the ridge yield is consistent with zero for events with less than roughly 100 participating nucleons.
    Language English
    Publishing date 2010-02-12
    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.104.062301
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Precision Measurement of the Proton Flux in Primary Cosmic Rays from Rigidity 1 GV to 1.8 TV with the Alpha Magnetic Spectrometer on the International Space Station.

    Aguilar, M / Aisa, D / Alpat, B / Alvino, A / Ambrosi, G / Andeen, K / Arruda, L / Attig, N / Azzarello, P / Bachlechner, A / Barao, F / Barrau, A / Barrin, L / Bartoloni, A / Basara, L / Battarbee, M / Battiston, R / Bazo, J / Becker, U /
    Behlmann, M / Beischer, B / Berdugo, J / Bertucci, B / Bigongiari, G / Bindi, V / Bizzaglia, S / Bizzarri, M / Boella, G / de Boer, W / Bollweg, K / Bonnivard, V / Borgia, B / Borsini, S / Boschini, M J / Bourquin, M / Burger, J / Cadoux, F / Cai, X D / Capell, M / Caroff, S / Casaus, J / Cascioli, V / Castellini, G / Cernuda, I / Cerreta, D / Cervelli, F / Chae, M J / Chang, Y H / Chen, A I / Chen, H / Cheng, G M / Chen, H S / Cheng, L / Chou, H Y / Choumilov, E / Choutko, V / Chung, C H / Clark, C / Clavero, R / Coignet, G / Consolandi, C / Contin, A / Corti, C / Cortina Gil, E / Coste, B / Creus, W / Crispoltoni, M / Cui, Z / Dai, Y M / Delgado, C / Della Torre, S / Demirköz, M B / Derome, L / Di Falco, S / Di Masso, L / Dimiccoli, F / Díaz, C / von Doetinchem, P / Donnini, F / Du, W J / Duranti, M / D'Urso, D / Eline, A / Eppling, F J / Eronen, T / Fan, Y Y / Farnesini, L / Feng, J / Fiandrini, E / Fiasson, A / Finch, E / Fisher, P / Galaktionov, Y / Gallucci, G / García, B / García-López, R / Gargiulo, C / Gast, H / Gebauer, I / Gervasi, M / Ghelfi, A / Gillard, W / Giovacchini, F / Goglov, P / Gong, J / Goy, C / Grabski, V / Grandi, D / Graziani, M / Guandalini, C / Guerri, I / Guo, K H / Haas, D / Habiby, M / Haino, S / Han, K C / He, Z H / Heil, M / Hoffman, J / Hsieh, T H / Huang, Z C / Huh, C / Incagli, M / Ionica, M / Jang, W Y / Jinchi, H / Kanishev, K / Kim, G N / Kim, K S / Kirn, Th / Kossakowski, R / Kounina, O / Kounine, A / Koutsenko, V / Krafczyk, M S / La Vacca, G / Laudi, E / Laurenti, G / Lazzizzera, I / Lebedev, A / Lee, H T / Lee, S C / Leluc, C / Levi, G / Li, H L / Li, J Q / Li, Q / Li, T X / Li, W / Li, Y / Li, Z H / Li, Z Y / Lim, S / Lin, C H / Lipari, P / Lippert, T / Liu, D / Liu, H / Lolli, M / Lomtadze, T / Lu, M J / Lu, S Q / Lu, Y S / Luebelsmeyer, K / Luo, J Z / Lv, S S / Majka, R / Mañá, C / Marín, J / Martin, T / Martínez, G / Masi, N / Maurin, D / Menchaca-Rocha, A / Meng, Q / Mo, D C / Morescalchi, L / Mott, P / Müller, M / Ni, J Q / Nikonov, N / Nozzoli, F / Nunes, P / Obermeier, A / Oliva, A / Orcinha, M / Palmonari, F / Palomares, C / Paniccia, M / Papi, A / Pauluzzi, M / Pedreschi, E / Pensotti, S / Pereira, R / Picot-Clemente, N / Pilo, F / Piluso, A / Pizzolotto, C / Plyaskin, V / Pohl, M / Poireau, V / Postaci, E / Putze, A / Quadrani, L / Qi, X M / Qin, X / Qu, Z Y / Räihä, T / Rancoita, P G / Rapin, D / Ricol, J S / Rodríguez, I / Rosier-Lees, S / Rozhkov, A / Rozza, D / Sagdeev, R / Sandweiss, J / Saouter, P / Sbarra, C / Schael, S / Schmidt, S M / Schulz von Dratzig, A / Schwering, G / Scolieri, G / Seo, E S / Shan, B S / Shan, Y H / Shi, J Y / Shi, X Y / Shi, Y M / Siedenburg, T / Son, D / Spada, F / Spinella, F / Sun, W / Sun, W H / Tacconi, M / Tang, C P / Tang, X W / Tang, Z C / Tao, L / Tescaro, D / Ting, Samuel C C / Ting, S M / Tomassetti, N / Torsti, J / Türkoğlu, C / Urban, T / Vagelli, V / Valente, E / Vannini, C / Valtonen, E / Vaurynovich, S / Vecchi, M / Velasco, M / Vialle, J P / Vitale, V / Vitillo, S / Wang, L Q / Wang, N H / Wang, Q L / Wang, R S / Wang, X / Wang, Z X / Weng, Z L / Whitman, K / Wienkenhöver, J / Wu, H / Wu, X / Xia, X / Xie, M / Xie, S / Xiong, R Q / Xin, G M / Xu, N S / Xu, W / Yan, Q / Yang, J / Yang, M / Ye, Q H / Yi, H / Yu, Y J / Yu, Z Q / Zeissler, S / Zhang, J H / Zhang, M T / Zhang, X B / Zhang, Z / Zheng, Z M / Zhuang, H L / Zhukov, V / Zichichi, A / Zimmermann, N / Zuccon, P / Zurbach, C

    Physical review letters

    2015  Volume 114, Issue 17, Page(s) 171103

    Abstract: A precise measurement of the proton flux in primary cosmic rays with rigidity (momentum/charge) from 1 GV to 1.8 TV is presented based on 300 million events. Knowledge of the rigidity dependence of the proton flux is important in understanding the origin, ...

    Abstract A precise measurement of the proton flux in primary cosmic rays with rigidity (momentum/charge) from 1 GV to 1.8 TV is presented based on 300 million events. Knowledge of the rigidity dependence of the proton flux is important in understanding the origin, acceleration, and propagation of cosmic rays. We present the detailed variation with rigidity of the flux spectral index for the first time. The spectral index progressively hardens at high rigidities.
    Language English
    Publishing date 2015-05-01
    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.114.171103
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Precision Measurement of the Helium Flux in Primary Cosmic Rays of Rigidities 1.9 GV to 3 TV with the Alpha Magnetic Spectrometer on the International Space Station.

    Aguilar, M / Aisa, D / Alpat, B / Alvino, A / Ambrosi, G / Andeen, K / Arruda, L / Attig, N / Azzarello, P / Bachlechner, A / Barao, F / Barrau, A / Barrin, L / Bartoloni, A / Basara, L / Battarbee, M / Battiston, R / Bazo, J / Becker, U /
    Behlmann, M / Beischer, B / Berdugo, J / Bertucci, B / Bindi, V / Bizzaglia, S / Bizzarri, M / Boella, G / de Boer, W / Bollweg, K / Bonnivard, V / Borgia, B / Borsini, S / Boschini, M J / Bourquin, M / Burger, J / Cadoux, F / Cai, X D / Capell, M / Caroff, S / Casaus, J / Castellini, G / Cernuda, I / Cerreta, D / Cervelli, F / Chae, M J / Chang, Y H / Chen, A I / Chen, G M / Chen, H / Chen, H S / Cheng, L / Chou, H Y / Choumilov, E / Choutko, V / Chung, C H / Clark, C / Clavero, R / Coignet, G / Consolandi, C / Contin, A / Corti, C / Gil, E Cortina / Coste, B / Creus, W / Crispoltoni, M / Cui, Z / Dai, Y M / Delgado, C / Della Torre, S / Demirköz, M B / Derome, L / Di Falco, S / Di Masso, L / Dimiccoli, F / Díaz, C / von Doetinchem, P / Donnini, F / Duranti, M / D'Urso, D / Egorov, A / Eline, A / Eppling, F J / Eronen, T / Fan, Y Y / Farnesini, L / Feng, J / Fiandrini, E / Fiasson, A / Finch, E / Fisher, P / Formato, V / Galaktionov, Y / Gallucci, G / García, B / García-López, R / Gargiulo, C / Gast, H / Gebauer, I / Gervasi, M / Ghelfi, A / Giovacchini, F / Goglov, P / Gong, J / Goy, C / Grabski, V / Grandi, D / Graziani, M / Guandalini, C / Guerri, I / Guo, K H / Haas, D / Habiby, M / Haino, S / Han, K C / He, Z H / Heil, M / Hoffman, J / Hsieh, T H / Huang, Z C / Huh, C / Incagli, M / Ionica, M / Jang, W Y / Jinchi, H / Kanishev, K / Kim, G N / Kim, K S / Kirn, Th / Korkmaz, M A / Kossakowski, R / Kounina, O / Kounine, A / Koutsenko, V / Krafczyk, M S / La Vacca, G / Laudi, E / Laurenti, G / Lazzizzera, I / Lebedev, A / Lee, H T / Lee, S C / Leluc, C / Li, H L / Li, J Q / Li, Q / Li, T X / Li, W / Li, Y / Li, Z H / Li, Z Y / Lim, S / Lin, C H / Lipari, P / Lippert, T / Liu, D / Liu, H / Liu, Hu / Lolli, M / Lomtadze, T / Lu, M J / Lu, S Q / Lu, Y S / Luebelsmeyer, K / Luo, F / Luo, J Z / Lv, S S / Majka, R / Mañá, C / Marín, J / Martin, T / Martínez, G / Masi, N / Maurin, D / Menchaca-Rocha, A / Meng, Q / Mo, D C / Morescalchi, L / Mott, P / Müller, M / Nelson, T / Ni, J Q / Nikonov, N / Nozzoli, F / Nunes, P / Obermeier, A / Oliva, A / Orcinha, M / Palmonari, F / Palomares, C / Paniccia, M / Papi, A / Pauluzzi, M / Pedreschi, E / Pensotti, S / Pereira, R / Picot-Clemente, N / Pilo, F / Piluso, A / Pizzolotto, C / Plyaskin, V / Pohl, M / Poireau, V / Putze, A / Quadrani, L / Qi, X M / Qin, X / Qu, Z Y / Räihä, T / Rancoita, P G / Rapin, D / Ricol, J S / Rodríguez, I / Rosier-Lees, S / Rozhkov, A / Rozza, D / Sagdeev, R / Sandweiss, J / Saouter, P / Schael, S / Schmidt, S M / von Dratzig, A Schulz / Schwering, G / Scolieri, G / Seo, E S / Shan, B S / Shan, Y H / Shi, J Y / Shi, X Y / Shi, Y M / Siedenburg, T / Son, D / Song, J W / Spada, F / Spinella, F / Sun, W / Sun, W H / Tacconi, M / Tang, C P / Tang, X W / Tang, Z C / Tao, L / Tescaro, D / Ting, Samuel C C / Ting, S M / Tomassetti, N / Torsti, J / Türkoğlu, C / Urban, T / Vagelli, V / Valente, E / Vannini, C / Valtonen, E / Vaurynovich, S / Vecchi, M / Velasco, M / Vialle, J P / Vitale, V / Vitillo, S / Wang, L Q / Wang, N H / Wang, Q L / Wang, R S / Wang, X / Wang, Z X / Weng, Z L / Whitman, K / Wienkenhöver, J / Willenbrock, M / Wu, H / Wu, X / Xia, X / Xie, M / Xie, S / Xiong, R Q / Xu, N S / Xu, W / Yan, Q / Yang, J / Yang, M / Yang, Y / Ye, Q H / Yi, H / Yu, Y J / Yu, Z Q / Zeissler, S / Zhang, C / Zhang, J H / Zhang, M T / Zhang, S D / Zhang, S W / Zhang, X B / Zhang, Z / Zheng, Z M / Zhuang, H L / Zhukov, V / Zichichi, A / Zimmermann, N / Zuccon, P

    Physical review letters

    2015  Volume 115, Issue 21, Page(s) 211101

    Abstract: Knowledge of the precise rigidity dependence of the helium flux is important in understanding the origin, acceleration, and propagation of cosmic rays. A precise measurement of the helium flux in primary cosmic rays with rigidity (momentum/charge) from 1. ...

    Abstract Knowledge of the precise rigidity dependence of the helium flux is important in understanding the origin, acceleration, and propagation of cosmic rays. A precise measurement of the helium flux in primary cosmic rays with rigidity (momentum/charge) from 1.9 GV to 3 TV based on 50 million events is presented and compared to the proton flux. The detailed variation with rigidity of the helium flux spectral index is presented for the first time. The spectral index progressively hardens at rigidities larger than 100 GV. The rigidity dependence of the helium flux spectral index is similar to that of the proton spectral index though the magnitudes are different. Remarkably, the spectral index of the proton to helium flux ratio increases with rigidity up to 45 GV and then becomes constant; the flux ratio above 45 GV is well described by a single power law.
    Language English
    Publishing date 2015-11-20
    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.115.211101
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: System size and centrality dependence of charged hadron transverse momentum spectra in Au + Au and Cu + Cu collisions at square root of SNN = 62.4 and 200 GeV.

    Alver, B / Back, B B / Baker, M D / Ballintijn, M / Barton, D S / Betts, R R / Bindel, R / Busza, W / Chai, Z / Chetluru, V / García, E / Gburek, T / Gulbrandsen, K / Hamblen, J / Harnarine, I / Henderson, C / Hofman, D J / Hollis, R S / Hołyński, R /
    Holzman, B / Iordanova, A / Kane, J L / Kulinich, P / Kuo, C M / Li, W / Lin, W T / Loizides, C / Manly, S / Mignerey, A C / Nouicer, R / Olszewski, A / Pak, R / Reed, C / Richardson, E / Roland, C / Roland, G / Sagerer, J / Sedykh, I / Smith, C E / Stankiewicz, M A / Steinberg, P / Stephans, G S F / Sukhanov, A / Szostak, A / Tonjes, M B / Trzupek, A / van Nieuwenhuizen, G J / Vaurynovich, S S / Verdier, R / Veres, G I / Walters, P / Wenger, E / Willhelm, D / Wolfs, F L H / Wosiek, B / Woźniak, K / Wyngaardt, S / Wysłouch, B

    Physical review letters

    2006  Volume 96, Issue 21, Page(s) 212301

    Abstract: We present transverse momentum distributions of charged hadrons produced in Cu + Cu collisions at square root of SNN = 62.4 and 200 GeV. The spectra are measured for transverse momenta of 0.25 < pT < 5.0 GeV/c at square root of SNN = 62.4 GeV and 0.25 < ... ...

    Abstract We present transverse momentum distributions of charged hadrons produced in Cu + Cu collisions at square root of SNN = 62.4 and 200 GeV. The spectra are measured for transverse momenta of 0.25 < pT < 5.0 GeV/c at square root of SNN = 62.4 GeV and 0.25 < pT < 7.0 GeV/c at square root of SNN = 200 GeV, in a pseudorapidity range of 0.2 < eta < 1.4. The nuclear modification factor R(AA) is calculated relative to p + p data at both collision energies as a function of collision centrality. At a given collision energy and fractional cross section, R(AA) is observed to be systematically larger in Cu + Cu collisions compared to Au + Au. However, for the same number of participating nucleons, R(AA) is essentially the same in both systems over the measured range of pT, in spite of the significantly different geometries of the Cu + Cu and Au + Au systems.
    Language English
    Publishing date 2006-06-02
    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.96.212301
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: Centrality dependence of charged hadron transverse momentum spectra in Au+Au collisions from sqrt[s(NN)]=62.4 to 200 GeV.

    Back, B B / Baker, M D / Ballintijn, M / Barton, D S / Betts, R R / Bickley, A A / Bindel, R / Busza, W / Carroll, A / Chai, Z / Decowski, M P / García, E / Gburek, T / George, N / Gulbrandsen, K / Halliwell, C / Hamblen, J / Hauer, M / Henderson, C /
    Hofman, D J / Hollis, R S / Hołyński, R / Holzman, B / Iordanova, A / Johnson, E / Kane, J L / Khan, N / Kulinich, P / Kuo, C M / Lin, W T / Manly, S / Mignerey, A C / Nouicer, R / Olszewski, A / Pak, R / Reed, C / Roland, C / Roland, G / Sagerer, J / Seals, H / Sedykh, I / Smith, C E / Stankiewicz, M A / Steinberg, P / Stephans, G S F / Sukhanov, A / Tonjes, M B / Trzupek, A / Vale, C / van Nieuwenhuizen, G J / Vaurynovich, S S / Verdier, R / Veres, G I / Wenger, E / Wolfs, F L H / Wosiek, B / Woźniak, K / Wysłouch, B

    Physical review letters

    2005  Volume 94, Issue 8, Page(s) 82304

    Abstract: We have measured transverse momentum distributions of charged hadrons produced in Au+Au collisions at sqrt[s(NN)]=62.4 GeV. The spectra are presented for transverse momenta 0.25

    Abstract We have measured transverse momentum distributions of charged hadrons produced in Au+Au collisions at sqrt[s(NN)]=62.4 GeV. The spectra are presented for transverse momenta 0.25<p(T)<4.5 GeV/c, in a pseudorapidity range of 0.2<eta<1.4. The nuclear modification factor R(AA) is calculated relative to p+p data at the same collision energy as a function of collision centrality. For 2<p(T)<4.5 GeV/c, R(AA) is found to be significantly larger than in Au+Au collisions at sqrt[s(NN)]= 130 and 200 GeV. In contrast to the large change in R(AA), we observe a very similar centrality evolution of the p(T) spectra at sqrt[s(NN)]=62.4 and 200 GeV. The dynamical origin of this surprising factorization of energy and centrality dependence of particle production in heavy-ion collisions remains to be understood.<br />
    Language English
    Publishing date 2005-03-04
    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.94.082304
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Precision Measurement of the (e^{+}+e^{-}) Flux in Primary Cosmic Rays from 0.5 GeV to 1 TeV with the Alpha Magnetic Spectrometer on the International Space Station.

    Aguilar, M / Aisa, D / Alpat, B / Alvino, A / Ambrosi, G / Andeen, K / Arruda, L / Attig, N / Azzarello, P / Bachlechner, A / Barao, F / Barrau, A / Barrin, L / Bartoloni, A / Basara, L / Battarbee, M / Battiston, R / Bazo, J / Becker, U /
    Behlmann, M / Beischer, B / Berdugo, J / Bertucci, B / Bigongiari, G / Bindi, V / Bizzaglia, S / Bizzarri, M / Boella, G / de Boer, W / Bollweg, K / Bonnivard, V / Borgia, B / Borsini, S / Boschini, M J / Bourquin, M / Burger, J / Cadoux, F / Cai, X D / Capell, M / Caroff, S / Casaus, J / Cascioli, V / Castellini, G / Cernuda, I / Cervelli, F / Chae, M J / Chang, Y H / Chen, A I / Chen, H / Cheng, G M / Chen, H S / Cheng, L / Chikanian, A / Chou, H Y / Choumilov, E / Choutko, V / Chung, C H / Clark, C / Clavero, R / Coignet, G / Consolandi, C / Contin, A / Corti, C / Coste, B / Crispoltoni, M / Cui, Z / Dai, M / Delgado, C / Della Torre, S / Demirköz, M B / Derome, L / Di Falco, S / Di Masso, L / Dimiccoli, F / Díaz, C / von Doetinchem, P / Donnini, F / Du, W J / Duranti, M / D'Urso, D / Eline, A / Eppling, F J / Eronen, T / Fan, Y Y / Farnesini, L / Feng, J / Fiandrini, E / Fiasson, A / Finch, E / Fisher, P / Galaktionov, Y / Gallucci, G / García, B / García-López, R / Gargiulo, C / Gast, H / Gebauer, I / Gervasi, M / Ghelfi, A / Gillard, W / Giovacchini, F / Goglov, P / Gong, J / Goy, C / Grabski, V / Grandi, D / Graziani, M / Guandalini, C / Guerri, I / Guo, K H / Habiby, M / Haino, S / Han, K C / He, Z H / Heil, M / Hoffman, J / Hsieh, T H / Huang, Z C / Huh, C / Incagli, M / Ionica, M / Jang, W Y / Jinchi, H / Kanishev, K / Kim, G N / Kim, K S / Kirn, Th / Kossakowski, R / Kounina, O / Kounine, A / Koutsenko, V / Krafczyk, M S / Kunz, S / La Vacca, G / Laudi, E / Laurenti, G / Lazzizzera, I / Lebedev, A / Lee, H T / Lee, S C / Leluc, C / Li, H L / Li, J Q / Li, Q / Li, T X / Li, W / Li, Y / Li, Z H / Li, Z Y / Lim, S / Lin, C H / Lipari, P / Lippert, T / Liu, D / Liu, H / Lomtadze, T / Lu, M J / Lu, Y S / Luebelsmeyer, K / Luo, F / Luo, J Z / Lv, S S / Majka, R / Malinin, A / Mañá, C / Marín, J / Martin, T / Martínez, G / Masi, N / Maurin, D / Menchaca-Rocha, A / Meng, Q / Mo, D C / Morescalchi, L / Mott, P / Müller, M / Ni, J Q / Nikonov, N / Nozzoli, F / Nunes, P / Obermeier, A / Oliva, A / Orcinha, M / Palmonari, F / Palomares, C / Paniccia, M / Papi, A / Pauluzzi, M / Pedreschi, E / Pensotti, S / Pereira, R / Pilo, F / Piluso, A / Pizzolotto, C / Plyaskin, V / Pohl, M / Poireau, V / Postaci, E / Putze, A / Quadrani, L / Qi, X M / Räihä, T / Rancoita, P G / Rapin, D / Ricol, J S / Rodríguez, I / Rosier-Lees, S / Rozhkov, A / Rozza, D / Sagdeev, R / Sandweiss, J / Saouter, P / Sbarra, C / Schael, S / Schmidt, S M / Schuckardt, D / Schulz von Dratzig, A / Schwering, G / Scolieri, G / Seo, E S / Shan, B S / Shan, Y H / Shi, J Y / Shi, X Y / Shi, Y M / Siedenburg, T / Son, D / Spada, F / Spinella, F / Sun, W / Sun, W H / Tacconi, M / Tang, C P / Tang, X W / Tang, Z C / Tao, L / Tescaro, D / Ting, Samuel C C / Ting, S M / Tomassetti, N / Torsti, J / Türkoğlu, C / Urban, T / Vagelli, V / Valente, E / Vannini, C / Valtonen, E / Vaurynovich, S / Vecchi, M / Velasco, M / Vialle, J P / Wang, L Q / Wang, Q L / Wang, R S / Wang, X / Wang, Z X / Weng, Z L / Whitman, K / Wienkenhöver, J / Wu, H / Xia, X / Xie, M / Xie, S / Xiong, R Q / Xin, G M / Xu, N S / Xu, W / Yan, Q / Yang, J / Yang, M / Ye, Q H / Yi, H / Yu, Y J / Yu, Z Q / Zeissler, S / Zhang, J H / Zhang, M T / Zhang, X B / Zhang, Z / Zheng, Z M / Zhuang, H L / Zhukov, V / Zichichi, A / Zimmermann, N / Zuccon, P / Zurbach, C

    Physical review letters

    2014  Volume 113, Issue 22, Page(s) 221102

    Abstract: We present a measurement of the cosmic ray (e^{+}+e^{-}) flux in the range 0.5 GeV to 1 TeV based on the analysis of 10.6 million (e^{+}+e^{-}) events collected by AMS. The statistics and the resolution of AMS provide a precision measurement of the flux. ...

    Abstract We present a measurement of the cosmic ray (e^{+}+e^{-}) flux in the range 0.5 GeV to 1 TeV based on the analysis of 10.6 million (e^{+}+e^{-}) events collected by AMS. The statistics and the resolution of AMS provide a precision measurement of the flux. The flux is smooth and reveals new and distinct information. Above 30.2 GeV, the flux can be described by a single power law with a spectral index γ=-3.170±0.008(stat+syst)±0.008(energy scale).
    Language English
    Publishing date 2014-11-28
    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.113.221102
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: High statistics measurement of the positron fraction in primary cosmic rays of 0.5-500 GeV with the alpha magnetic spectrometer on the international space station.

    Accardo, L / Aguilar, M / Aisa, D / Alpat, B / Alvino, A / Ambrosi, G / Andeen, K / Arruda, L / Attig, N / Azzarello, P / Bachlechner, A / Barao, F / Barrau, A / Barrin, L / Bartoloni, A / Basara, L / Battarbee, M / Battiston, R / Bazo, J /
    Becker, U / Behlmann, M / Beischer, B / Berdugo, J / Bertucci, B / Bigongiari, G / Bindi, V / Bizzaglia, S / Bizzarri, M / Boella, G / de Boer, W / Bollweg, K / Bonnivard, V / Borgia, B / Borsini, S / Boschini, M J / Bourquin, M / Burger, J / Cadoux, F / Cai, X D / Capell, M / Caroff, S / Carosi, G / Casaus, J / Cascioli, V / Castellini, G / Cernuda, I / Cerreta, D / Cervelli, F / Chae, M J / Chang, Y H / Chen, A I / Chen, H / Cheng, G M / Chen, H S / Cheng, L / Chikanian, A / Chou, H Y / Choumilov, E / Choutko, V / Chung, C H / Cindolo, F / Clark, C / Clavero, R / Coignet, G / Consolandi, C / Contin, A / Corti, C / Coste, B / Cui, Z / Dai, M / Delgado, C / Della Torre, S / Demirköz, M B / Derome, L / Di Falco, S / Di Masso, L / Dimiccoli, F / Díaz, C / von Doetinchem, P / Du, W J / Duranti, M / D'Urso, D / Eline, A / Eppling, F J / Eronen, T / Fan, Y Y / Farnesini, L / Feng, J / Fiandrini, E / Fiasson, A / Finch, E / Fisher, P / Galaktionov, Y / Gallucci, G / García, B / García-López, R / Gast, H / Gebauer, I / Gervasi, M / Ghelfi, A / Gillard, W / Giovacchini, F / Goglov, P / Gong, J / Goy, C / Grabski, V / Grandi, D / Graziani, M / Guandalini, C / Guerri, I / Guo, K H / Haas, D / Habiby, M / Haino, S / Han, K C / He, Z H / Heil, M / Henning, R / Hoffman, J / Hsieh, T H / Huang, Z C / Huh, C / Incagli, M / Ionica, M / Jang, W Y / Jinchi, H / Kanishev, K / Kim, G N / Kim, K S / Kirn, Th / Kossakowski, R / Kounina, O / Kounine, A / Koutsenko, V / Krafczyk, M S / Kunz, S / La Vacca, G / Laudi, E / Laurenti, G / Lazzizzera, I / Lebedev, A / Lee, H T / Lee, S C / Leluc, C / Levi, G / Li, H L / Li, J Q / Li, Q / Li, T X / Li, W / Li, Y / Li, Z H / Li, Z Y / Lim, S / Lin, C H / Lipari, P / Lippert, T / Liu, D / Liu, H / Lolli, M / Lomtadze, T / Lu, M J / Lu, Y S / Luebelsmeyer, K / Luo, F / Luo, J Z / Lv, S S / Majka, R / Malinin, A / Mañá, C / Marín, J / Martin, T / Martínez, G / Masi, N / Massera, F / Maurin, D / Menchaca-Rocha, A / Meng, Q / Mo, D C / Monreal, B / Morescalchi, L / Mott, P / Müller, M / Ni, J Q / Nikonov, N / Nozzoli, F / Nunes, P / Obermeier, A / Oliva, A / Orcinha, M / Palmonari, F / Palomares, C / Paniccia, M / Papi, A / Pauluzzi, M / Pedreschi, E / Pensotti, S / Pereira, R / Pilastrini, R / Pilo, F / Piluso, A / Pizzolotto, C / Plyaskin, V / Pohl, M / Poireau, V / Postaci, E / Putze, A / Quadrani, L / Qi, X M / Rancoita, P G / Rapin, D / Ricol, J S / Rodríguez, I / Rosier-Lees, S / Rossi, L / Rozhkov, A / Rozza, D / Rybka, G / Sagdeev, R / Sandweiss, J / Saouter, P / Sbarra, C / Schael, S / Schmidt, S M / Schuckardt, D / Schulz von Dratzig, A / Schwering, G / Scolieri, G / Seo, E S / Shan, B S / Shan, Y H / Shi, J Y / Shi, X Y / Shi, Y M / Siedenburg, T / Son, D / Spada, F / Spinella, F / Sun, W / Sun, W H / Tacconi, M / Tang, C P / Tang, X W / Tang, Z C / Tao, L / Tescaro, D / Ting, Samuel C C / Ting, S M / Tomassetti, N / Torsti, J / Türkoğlu, C / Urban, T / Vagelli, V / Valente, E / Vannini, C / Valtonen, E / Vaurynovich, S / Vecchi, M / Velasco, M / Vialle, J P / Vitale, V / Volpini, G / Wang, L Q / Wang, Q L / Wang, R S / Wang, X / Wang, Z X / Weng, Z L / Whitman, K / Wienkenhöver, J / Wu, H / Wu, K Y / Xia, X / Xie, M / Xie, S / Xiong, R Q / Xin, G M / Xu, N S / Xu, W / Yan, Q / Yang, J / Yang, M / Ye, Q H / Yi, H / Yu, Y J / Yu, Z Q / Zeissler, S / Zhang, J H / Zhang, M T / Zhang, X B / Zhang, Z / Zheng, Z M / Zhou, F / Zhuang, H L / Zhukov, V / Zichichi, A / Zimmermann, N / Zuccon, P / Zurbach, C

    Physical review letters

    2014  Volume 113, Issue 12, Page(s) 121101

    Abstract: A precision measurement by AMS of the positron fraction in primary cosmic rays in the energy range from 0.5 to 500 GeV based on 10.9 million positron and electron events is presented. This measurement extends the energy range of our previous observation ... ...

    Abstract A precision measurement by AMS of the positron fraction in primary cosmic rays in the energy range from 0.5 to 500 GeV based on 10.9 million positron and electron events is presented. This measurement extends the energy range of our previous observation and increases its precision. The new results show, for the first time, that above ∼200  GeV the positron fraction no longer exhibits an increase with energy.
    Language English
    Publishing date 2014-09-19
    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.113.121101
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Electron and positron fluxes in primary cosmic rays measured with the alpha magnetic spectrometer on the international space station.

    Aguilar, M / Aisa, D / Alvino, A / Ambrosi, G / Andeen, K / Arruda, L / Attig, N / Azzarello, P / Bachlechner, A / Barao, F / Barrau, A / Barrin, L / Bartoloni, A / Basara, L / Battarbee, M / Battiston, R / Bazo, J / Becker, U / Behlmann, M /
    Beischer, B / Berdugo, J / Bertucci, B / Bigongiari, G / Bindi, V / Bizzaglia, S / Bizzarri, M / Boella, G / de Boer, W / Bollweg, K / Bonnivard, V / Borgia, B / Borsini, S / Boschini, M J / Bourquin, M / Burger, J / Cadoux, F / Cai, X D / Capell, M / Caroff, S / Casaus, J / Cascioli, V / Castellini, G / Cernuda, I / Cervelli, F / Chae, M J / Chang, Y H / Chen, A I / Chen, H / Cheng, G M / Chen, H S / Cheng, L / Chikanian, A / Chou, H Y / Choumilov, E / Choutko, V / Chung, C H / Clark, C / Clavero, R / Coignet, G / Consolandi, C / Contin, A / Corti, C / Coste, B / Cui, Z / Dai, M / Delgado, C / Della Torre, S / Demirköz, M B / Derome, L / Di Falco, S / Di Masso, L / Dimiccoli, F / Díaz, C / von Doetinchem, P / Du, W J / Duranti, M / D'Urso, D / Eline, A / Eppling, F J / Eronen, T / Fan, Y Y / Farnesini, L / Feng, J / Fiandrini, E / Fiasson, A / Finch, E / Fisher, P / Galaktionov, Y / Gallucci, G / García, B / García-López, R / Gast, H / Gebauer, I / Gervasi, M / Ghelfi, A / Gillard, W / Giovacchini, F / Goglov, P / Gong, J / Goy, C / Grabski, V / Grandi, D / Graziani, M / Guandalini, C / Guerri, I / Guo, K H / Habiby, M / Haino, S / Han, K C / He, Z H / Heil, M / Hoffman, J / Hsieh, T H / Huang, Z C / Huh, C / Incagli, M / Ionica, M / Jang, W Y / Jinchi, H / Kanishev, K / Kim, G N / Kim, K S / Kirn, Th / Kossakowski, R / Kounina, O / Kounine, A / Koutsenko, V / Krafczyk, M S / Kunz, S / La Vacca, G / Laudi, E / Laurenti, G / Lazzizzera, I / Lebedev, A / Lee, H T / Lee, S C / Leluc, C / Li, H L / Li, J Q / Li, Q / Li, T X / Li, W / Li, Y / Li, Z H / Li, Z Y / Lim, S / Lin, C H / Lipari, P / Lippert, T / Liu, D / Liu, H / Lomtadze, T / Lu, M J / Lu, Y S / Luebelsmeyer, K / Luo, F / Luo, J Z / Lv, S S / Majka, R / Malinin, A / Mañá, C / Marín, J / Martin, T / Martínez, G / Masi, N / Maurin, D / Menchaca-Rocha, A / Meng, Q / Mo, D C / Morescalchi, L / Mott, P / Müller, M / Ni, J Q / Nikonov, N / Nozzoli, F / Nunes, P / Obermeier, A / Oliva, A / Orcinha, M / Palmonari, F / Palomares, C / Paniccia, M / Papi, A / Pedreschi, E / Pensotti, S / Pereira, R / Pilo, F / Piluso, A / Pizzolotto, C / Plyaskin, V / Pohl, M / Poireau, V / Postaci, E / Putze, A / Quadrani, L / Qi, X M / Rancoita, P G / Rapin, D / Ricol, J S / Rodríguez, I / Rosier-Lees, S / Rozhkov, A / Rozza, D / Sagdeev, R / Sandweiss, J / Saouter, P / Sbarra, C / Schael, S / Schmidt, S M / Schuckardt, D / Schulz von Dratzig, A / Schwering, G / Scolieri, G / Seo, E S / Shan, B S / Shan, Y H / Shi, J Y / Shi, X Y / Shi, Y M / Siedenburg, T / Son, D / Spada, F / Spinella, F / Sun, W / Sun, W H / Tacconi, M / Tang, C P / Tang, X W / Tang, Z C / Tao, L / Tescaro, D / Ting, Samuel C C / Ting, S M / Tomassetti, N / Torsti, J / Türkoğlu, C / Urban, T / Vagelli, V / Valente, E / Vannini, C / Valtonen, E / Vaurynovich, S / Vecchi, M / Velasco, M / Vialle, J P / Wang, L Q / Wang, Q L / Wang, R S / Wang, X / Wang, Z X / Weng, Z L / Whitman, K / Wienkenhöver, J / Wu, H / Xia, X / Xie, M / Xie, S / Xiong, R Q / Xin, G M / Xu, N S / Xu, W / Yan, Q / Yang, J / Yang, M / Ye, Q H / Yi, H / Yu, Y J / Yu, Z Q / Zeissler, S / Zhang, J H / Zhang, M T / Zhang, X B / Zhang, Z / Zheng, Z M / Zhuang, H L / Zhukov, V / Zichichi, A / Zimmermann, N / Zuccon, P / Zurbach, C

    Physical review letters

    2014  Volume 113, Issue 12, Page(s) 121102

    Abstract: Precision measurements by the Alpha Magnetic Spectrometer on the International Space Station of the primary cosmic-ray electron flux in the range 0.5 to 700 GeV and the positron flux in the range 0.5 to 500 GeV are presented. The electron flux and the ... ...

    Abstract Precision measurements by the Alpha Magnetic Spectrometer on the International Space Station of the primary cosmic-ray electron flux in the range 0.5 to 700 GeV and the positron flux in the range 0.5 to 500 GeV are presented. The electron flux and the positron flux each require a description beyond a single power-law spectrum. Both the electron flux and the positron flux change their behavior at ∼30  GeV but the fluxes are significantly different in their magnitude and energy dependence. Between 20 and 200 GeV the positron spectral index is significantly harder than the electron spectral index. The determination of the differing behavior of the spectral indices versus energy is a new observation and provides important information on the origins of cosmic-ray electrons and positrons.
    Language English
    Publishing date 2014-09-19
    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.113.121102
    Database MEDical Literature Analysis and Retrieval System OnLINE

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