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Energy dependence of pi(+/-), p and (p)over-bar transverse momentum spectra for Au+Au collisions at root SNN=62.4 and 200 GeV
Abelev, BI; Aggarwal, MM; Ahammed, Z; Anderson, BD; Arkhipkin, D; Averichev, GS; Bai, Y; Balewski, J; Barannikova, O; Barnby, LS; Baumgart, S; Belaga, VV; Bellingeri-Laurikainen, A; Bellwied, R; Benedosso, F; Betts, RR; Bharadwaj, S; Bhasin, A; Bhati, AK; Bichsel, H; Bielcik, J; Bielcikova, J; Billmeier, A; Bland, LC; Blyth, SL; Bombara, M; Bonner, BE; Botje, M; Bouchet, J; Brandin, AV; Bravar, A; Burton, TP; Bystersky, M; Cadman, RV; Cai, XZ(蔡翔舟); Caines, H; Sanchez, MCD; Callner, J; Catu, O; Cebra, D; Chajecki, Z; Chaloupka, P; Chattopadhyay, S; Chen, HF; Chen, JH(陈金辉); Chen, JY; Cheng, J; Cherney, M; Chikanian, A; Choi, HA; Christie, W; Chung, SU; Coffin, JP; Cormier, TM; Cosentino, MR; Cramer, JG; Crawford, HJ; Das, D; Dash, S; Daugherity, M; de Moura, MM; Dedovich, TG; DePhillips, M; Derevschikov, AA; Didenko, L; Dietel, T; Djawotho, P; Dogra, SM; Dong, X; Drachenberg, JL; Draper, JE; Du, F; Dunin, VB; Dunlop, JC; Mazumdar, MRD; Eckardt, V; Edwards, WR; Efimov, LG; Emelianov, V; Engelage, J; Eppley, G; Erazmus, B; Estienne, M; Fachini, P; Fatemi, R; Fedorisin, J; Feng, A; Filip, P; Finch, E; Fine, V; Fisyak, Y; Fornazier, KSF; Fu, J; Gagliardi, CA; Gaillard, L; Ganti, MS; Garcia-Solis, E; Ghazikhanian, V; Ghosh, P; Gorbunov, YG; Gos, H; Grebenyuk, O; Grosnick, D; Guertin, SM; Guimaraes, KSFF; Gupta, N; Haag, B; Hallman, TJ; Hamed, A; Harris, JW; He, W; Heinz, M; Henry, TW; Hepplemann, S; Hippolyte, B; Hirsch, A; Hjort, E; Hoffman, AM; Hoffmann, GW; Hofman, D; Hollis, R; Horner, MJ; Huang, HZ; Hughes, EW; Humanic, TJ; Igo, G; Iordanova, A; Jacobs, P; Jacobs, WW; Jakl, P; Jia, F; Jiang, H; Jones, PG; Judd, EG; Kabana, S; Kang, K; Kapitan, J; Kaplan, M; Keane, D; Kechechyan, A; Kettler, D; Khodyrev, VY; Kim, BC; Kiryluk, J; Kisiel, A; Kislov, EM; Klein, SR; Knospe, AG; Kocoloski, A; Koetke, DD; Kollegger, T; Kopytine, M; Kotchenda, L; Kouchpil, V; Kowalik, KL; Kramer, M; Kravtsov, P; Kravtsov, VI; Krueger, K; Kuhn, C; Kulikov, AI; Kumar, A; Kurnadi, P; Kuznetsov, AA; Lamont, MAC; Landgraf, JM; Lange, S; LaPointe, S; Laue, F; Lauret, J; Lebedev, A; Lednicky, R; Lee, CH; Lehocka, S; LeVine, MJ; Li, C; Li, Q; Li, Y; Lin, G; Lin, X; Lindenbaum, SJ; Lisa, MA; Liu, F; Liu, H; Liu, J; Liu, L; Ljubicic, T; Llope, WJ; Long, H; Longacre, RS; Lopez-Noriega, M; Love, WA; Lu, Y; Ludlam, T; Lynn, D; Ma, GL(马国亮); Ma, JG; Ma, YG(马余刚); Mahapatra, DP; Majka, R; Mangotra, LK; Manweiler, R; Margetis, S; Markert, C; Martin, L; Matis, HS; Matulenko, YA; McClain, CJ; McShane, TS; Melnick, Y; Meschanin, A; Millane, J; Miller, ML; Minaev, NG; Mioduszewski, S; Mironov, C; Mischke, A; Mitchell, J; Mohanty, B; Molnar, L; Morozov, DA; Munhoz, MG; Nandi, BK; Nattrass, C; Nayak, TK; Nelson, JM; Nepali, C; Netrakanti, PK; Nikitin, VA; Nogach, LV; Nurushev, SB; Odyniec, G; Ogawa, A; Okorokov, V; Oldenburg, M; Olson, D; Pachr, M; Pal, SK; Panebratsev, Y; Panitkin, SY; Pavlinov, AI; Pawlak, T; Peitzmann, T; Perevoztchikov, V; Perkins, C; Peryt, W; Phatak, SC; Planinic, M; Pluta, J; Poljak, N; Porile, N; Poskanzer, AM; Potekhin, M; Potrebenikova, E; Potukuchi, BVKS; Prindle, D; Pruneau, C; Putschke, J; Qattan, IA; Raniwala, R; Raniwala, S; Ray, RL; Razin, SV; Reinnarth, J; Relyea, D; Ridiger, A; Ritter, HG; Roberts, JB; Rogachevskiy, OV; Romero, JL; Rose, A; Roy, C; Ruan, L; Russcher, MJ; Sahoo, R; Sakrejda, I; Sakuma, T; Salur, S; Sandweiss, J; Sarsour, M; Savin, I; Sazhin, PS; Schambach, J; Scharenberg, RP; Schmitz, N; Seger, J; Selyuzhenkov, I; Seyboth, P; Shabetai, A; Shahaliev, E; Shao, M; Sharma, M; Shen, WQ(沈文庆); Shimanskiy, SS; Sichtermann, E; Simon, F; Singaraju, RN; Smirnov, N; Snellings, R; Sorensen, P; Sowinski, J; Speltz, J; Spinka, HM; Srivastava, B; Stadnik, A; Stanislaus, TDS; Stock, R; Strikhanov, M; Stringfellow, B; Suaide, AAP; Suarez, MC; Subba, NL; Sumbera, M; Sun, XM; Sun, Z; Surrow, B; Symons, TJM; de Toledo, AS; Ak, JT; Tang, AH; Tarnowsky, T; Thomas, JH; Timmins, AR; Timoshenko, S; Tokarev, M; Trainor, TA; Trentalange, S; Tribble, RE; Tsai, OD; Ulery, J; Ullrich, T; Underwood, DG; Van Buren, G; van der Kolk, N; van Leeuwen, M; Molen, AMV; Varma, R; Vasilevski, IM; Vasiliev, AN; Vernet, R; Vigdor, SE; Viyogi, YP; Vokal, S; Voloshin, SA; Waggoner, WT; Wang, F; Wang, G; Wang, JS; Wang, XL; Wang, Y; Watson, JW; Webb, JC; Westfall, GD; Wetzler, A; Whitten, C; Wieman, H; Wissink, SW; Witt, R; Wu, J; Xu, N; Xu, QH; Xu, Z; Yepes, P; Yoo, IK; Yue, Q; Yurevich, VI; Zhan, W; Zhang, H; Zhang, WM; Zhang, Y; Zhang, ZP; Zhao, Y; Zhong, C(钟晨); Zoulkarneev, R; Zoulkarneeva, Y; Zubarev, AN; Zuo, JX; Mohanty, B (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA
2007
Source PublicationPHYSICS LETTERS B
ISSN0370-2693
Volume655Issue:40606Pages:104
AbstractWe study the energy dependense of the transverse momentum (PT) spectra for charged pions, protons and anti-protons for An + An collisions at root(NN)-N-s = 62.4 and 200 GeV. Data are presented at mid-rapidity (broken vertical bar y broken vertical bar < 0.5) for 0.2 < PT < 12 GeV/c. In the intermediate PT region (2 < PT < 6 GeV/c), the nuclear modification factor is higher at 62.4 GeV than at 200 GeV, while at higher PT (PT > 7 GeV/c) the modification is similar for both energies. The p/pi(+) and (p) over bar/pi(-) ratios for central collisions at root(NN)-N-s = 62.4 GeV peak at PT similar or equal to 2 GeV/c. In the PT range where recombination is expected to dominate, the p/pi(+) ratios at 62.4 GeV are larger than at 200 GeV, while the (p) over bar/pi(-) ratios are smaller. For PT > 2 GeV/c, the (p) over bar/pi(-) ratios at the two beam energies are independent of P-T and centrality indicating that the dependence of the (p) over bar/pi(-) ratio on P-T does not change between 62.4 and 200 GeV. These findings challenge various models incorporating jet quenching and/or constituent quark coalescence. (C) 2007 Elsevier B.V. All rights reserved.
Subject AreaInstruments & Instrumentation ; Nuclear Science & Technology ; Physics ; Spectroscopy
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000251016300003
Citation statistics
Cited Times:143[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/7716
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorMohanty, B (reprint author), Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA
Recommended Citation
GB/T 7714
Abelev, BI,Aggarwal, MM,Ahammed, Z,et al. Energy dependence of pi(+/-), p and (p)over-bar transverse momentum spectra for Au+Au collisions at root SNN=62.4 and 200 GeV[J]. PHYSICS LETTERS B,2007,655(40606):104.
APA Abelev, BI.,Aggarwal, MM.,Ahammed, Z.,Anderson, BD.,Arkhipkin, D.,...&Mohanty, B .(2007).Energy dependence of pi(+/-), p and (p)over-bar transverse momentum spectra for Au+Au collisions at root SNN=62.4 and 200 GeV.PHYSICS LETTERS B,655(40606),104.
MLA Abelev, BI,et al."Energy dependence of pi(+/-), p and (p)over-bar transverse momentum spectra for Au+Au collisions at root SNN=62.4 and 200 GeV".PHYSICS LETTERS B 655.40606(2007):104.
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