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Spectra of identified high-p(T) pi(+/-) and p((p)over-bar ) in Cu + Cu collisions at root s(NN)=200 GeV

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成果类型:
期刊论文
作者:
Abelev, B. I.*;Aggarwal, M. M.;Ahammed, Z.;Alakhverdyants, A. V.;Anderson, B. D.;Arkhipkin, D.;Averichev, G. S.;Balewski, J.;Barnby, L. S.;Baumgart, S.;Beavis, D. R.;Bellwied, R.;Benedosso, F.;Betancourt, M. J.;Betts, R. R.;Bhasin, A.;Bhati, A. K.;Bichsel, H.;Bielcik, J.;Bielcikova, J.;Biritz, B.;Bland, L. C.;Bonner, B. E.;Bouchet, J.;Braidot, E.;Brandin, A. V.;Bridgeman, A.;Bruna, E.;Bueltmann, S.;Bunzarov, I.;Burton, T. P.;Cai, X. Z.;Caines, H.;Sanchez, M. Calderon de la Barca;Catu, O.;Cebra, D.;Cendejas, R.;Cervantes, M. C.;Chajecki, Z.;Chaloupka, P.;Chattopadhyay, S.;Chen, H. F.;Chen, J. H.;Chen, J. Y.;Cheng, J.;Cherney, M.;Chikanian, A.;Choi, K. E.;Christie, W.;Chung, P.;Clarke, R. F.;Codrington, M. J. M.;Corliss, R.;Cramer, J. G.;Crawford, H. J.;Das, D.;Dash, S.;Leyva, A. Davila;De Silva, L. C.;Debbe, R. R.;Dedovich, T. G.;DePhillips, M.;Derevschikov, A. A.;de Souza, R. Derradi;Didenko, L.;Djawotho, P.;Dogra, S. M.;Dong, X.;Drachenberg, J. L.;Draper, J. E.;Dunlop, J. C.;Mazumdar, M. R. Dutta;Efimov, L. G.;Elhalhuli, E.;Elnimr, M.;Engelage, J.;Eppley, G.;Erazmus, B.;Estienne, M.;Eun, L.;Evdokimov, O.;Fachini, P.;Fatemi, R.;Fedorisin, J.;Fersch, R. G.;Filip, P.;Finch, E.;Fine, V.;Fisyak, Y.;Gagliardi, C. A.;Gangadharan, D. R.;Ganti, M. S.;Garcia-Solis, E. J.;Geromitsos, A.;Geurts, F.;Ghazikhanian, V.;Ghosh, P.;Gorbunov, Y. N.;Gordon, A.;Grebenyuk, O.;Grosnick, D.;Grube, B.;Guertin, S. M.;Gupta, A.;Gupta, N.;Guryn, W.;Haag, B.;Hallman, T. J.;Hamed, A.;Han, L. -X.;Harris, J. W.;Hays-Wehle, J. P.;Heinz, M.;Heppelmann, S.;Hirsch, A.;Hjort, E.;Hoffman, A. M.;Hoffmann, G. W.;Hofman, D. J.;Hollis, R. S.;Huang, H. Z.;Humanic, T. J.;Huo, L.;Igo, G.;Iordanova, A.;Jacobs, P.;Jacobs, W. W.;Jakl, P.;Jena, C.;Jin, F.;Jones, C. L.;Jones, P. G.;Joseph, J.;Judd, E. G.;Kabana, S.;Kajimoto, K.;Kang, K.;Kapitan, J.;Kauder, K.;Keane, D.;Kechechyan, A.;Kettler, D.;Kikola, D. P.;Kiryluk, J.;Kisiel, A.;Klein, S. R.;Knospe, A. G.;Kocoloski, A.;Koetke, D. D.;Kollegger, T.;Konzer, J.;Kopytine, M.;Koralt, I.;Korsch, W.;Kotchenda, L.;Kouchpil, V.;Kravtsov, P.;Krueger, K.;Krus, M.;Kumar, L.;Kurnadi, P.;Lamont, M. A. C.;Landgraf, J. M.;LaPointe, S.;Lauret, J.;Lebedev, A.;Lednicky, R.;Lee, C. -H.;Lee, J. H.;Leight, W.;LeVine, M. J.;Li, C.;Li, L.;Li, N.;Li, W.;Li, X.;Li, Y.;Li, Z.;Lin, G.;Lindenbaum, S. J.;Lisa, M. A.;Liu, F.;Liu, H.;Liu, J.;Ljubicic, T.;Llope, W. J.;Longacre, R. S.;Love, W. A.;Lu, Y.;Ma, G. L.;Ma, Y. G.;Mahapatra, D. P.;Majka, R.;Mall, O. I.;Mangotra, L. K.;Manweiler, R.;Margetis, S.;Markert, C.;Masui, H.;Matis, H. S.;Matulenko, Yu A.;McDonald, D.;McShane, T. S.;Meschanin, A.;Milner, R.;Minaev, N. G.;Mioduszewski, S.;Mischke, A.;Mitrovski, M. K.;Mohanty, B.;Mondal, M. M.;Morozov, D. A.;Munhoz, M. G.;Nandi, B. K.;Nattrass, C.;Nayak, T. K.;Nelson, J. M.;Netrakanti, P. K.;Ng, M. J.;Nogach, L. V.;Nurushev, S. B.;Odyniec, G.;Ogawa, A.;Okada, H.;Okorokov, V.;Olson, D.;Pachr, M.;Page, B. S.;Pal, S. K.;Pandit, Y.;Panebratsev, Y.;Pawlak, T.;Peitzmann, T.;Perevoztchikov, V.;Perkins, C.;Peryt, W.;Phatak, S. C.;Pile, P.;Planinic, M.;Ploskon, M. A.;Pluta, J.;Plyku, D.;Poljak, N.;Poskanzer, A. M.;Potukuchi, B. V. K. S.;Powell, C. B.;Prindle, D.;Pruneau, C.;Pruthi, N. K.;Pujahari, P. R.;Putschke, J.;Raniwala, R.;Raniwala, S.;Ray, R. L.;Redwine, R.;Reed, R.;Rehberg, J. M.;Ritter, H. G.;Roberts, J. B.;Rogachevskiy, O. V.;Romero, J. L.;Rose, A.;Roy, C.;Ruan, L.;Russcher, M. J.;Sahoo, R.;Sakai, S.;Sakrejda, I.;Sakuma, T.;Salur, S.;Sandweiss, J.;Sangaline, E.;Schambach, J.;Scharenberg, R. P.;Schmitz, N.;Schuster, T. R.;Seele, J.;Seger, J.;Selyuzhenkov, I.;Seyboth, P.;Shahaliev, E.;Shao, M.;Sharma, M.;Shi, S. S.;Sichtermann, E. P.;Simon, F.;Singaraju, R. N.;Skoby, M. J.;Smirnov, N.;Sorensen, P.;Sowinski, J.;Spinka, H. M.;Srivastava, B.;Stanislaus, T. D. S.;Staszak, D.;Stevens, J. R.;Stock, R.;Strikhanov, M.;Stringfellow, B.;Suaide, A. A. P.;Suarez, M. C.;Subba, N. L.;Sumbera, M.;Sun, X. M.;Sun, Y.;Sun, Z.;Surrow, B.;Symons, T. J. M.;de Toledo, A. Szanto;Takahashi, J.;Tang, A. H.;Tang, Z.;Tarini, L. H.;Tarnowsky, T.;Thein, D.;Thomas, J. H.;Tian, J.;Timmins, A. R.;Timoshenko, S.;Tlusty, D.;Tokarev, M.;Trainor, T. A.;Tram, V. N.;Trentalange, S.;Tribble, R. E.;Tsai, O. D.;Ulery, J.;Ullrich, T.;Underwood, D. G.;Van Buren, G.;van Nieuwenhuizen, G.;Vanfossen, J. A., Jr.;Varma, R.;Vasconcelos, G. M. S.;Vasiliev, A. N.;Videbaek, F.;Viyogi, Y. P.;Vokal, S.;Voloshin, S. A.;Wada, M.;Walker, M.;Wang, F.;Wang, G.;Wang, H.;Wang, J. S.;Wang, Q.;Wang, X.;Wang, X. L.;Wang, Y.;Webb, G.;Webb, J. C.;Westfall, G. D.;Whitten, C., Jr.;Wieman, H.;Wingfield, E.;Wissink, S. W.;Witt, R.;Wu, Y.;Xie, W.;Xu, N.;Xu, Q. H.;Xu, W.;Xu, Y.;Xu, Z.;Xue, L.;Yang, Y.;Yepes, P.;Yip, K.;Yoo, I. -K.;Yue, Q.;Zawisza, M.;Zbroszczyk, H.;Zhan, W.;Zhang, S.;Zhang, W. M.;Zhang, X. P.;Zhang, Y.;Zhang, Z. P.;Zhao, J.;Zhong, C.;Zhou, J.;Zhou, W.;Zhu, X.;Zhu, Y. H.;Zoulkarneev, R.;Zoulkarneeva, Y.
通讯作者:
Abelev, B. I.
作者机构:
[Iordanova, A.; Hofman, D. J.; Suarez, M. C.; Abelev, B. I.; Evdokimov, O.; Hollis, R. S.; Kauder, K.; Garcia-Solis, E. J.; Betts, R. R.] Univ Illinois, Chicago, IL 60607 USA.
[Underwood, D. G.; Krueger, K.; Bridgeman, A.; Spinka, H. M.] Argonne Natl Lab, Argonne, IL 60439 USA.
[Jones, P. G.; Elhalhuli, E.; Burton, T. P.; Nelson, J. M.; Barnby, L. S.] Univ Birmingham, Birmingham, W Midlands, England.
[Pile, P.; Xu, Z.; Ogawa, A.; Ruan, L.; Tang, A. H.; Fine, V.; Fisyak, Y.; Beavis, D. R.; Sorensen, P.; Christie, W.; Lebedev, A.; Perevoztchikov, V.; Gordon, A.; Landgraf, J. M.; DePhillips, M.; Yip, K.; Didenko, L.; Guryn, W.; Van Buren, G.; Fachini, P.; Ullrich, T.; Lamont, M. A. C.; LeVine, M. J.; Ljubicic, T.; Hallman, T. J.; Videbaek, F.; Lauret, J.; Bland, L. C.; Okada, H.; Longacre, R. S.; Arkhipkin, D.; Debbe, R. R.; Dunlop, J. C.; Love, W. A.; Lee, J. H.] Brookhaven Natl Lab, Upton, NY 11973 USA.
[Perkins, C.; Engelage, J.; Judd, E. G.; Ng, M. J.; Crawford, H. J.] Univ Calif Berkeley, Berkeley, CA 94720 USA.
通讯机构:
University of Illinois at Chicago, United States
语种:
英文
期刊:
PHYSICAL REVIEW C
ISSN:
2469-9985
年:
2010
卷:
81
期:
5
基金类别:
Offices of Nuclear Physics and High-Energy Physics within the US DOE Office of Science; US NSFNational Science Foundation (NSF); Sloan FoundationAlfred P. Sloan Foundation; DFGGerman Research Foundation (DFG)European Commission; CNRS/IN2P3Centre National de la Recherche Scientifique (CNRS); STFCUK Research & Innovation (UKRI)Science & Technology Facilities Council (STFC); EPSRC of the United KingdomUK Research & Innovation (UKRI)Engineering & Physical Sciences Research Council (EPSRC); FAPESPFundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP); CNPq of BrazilNational Council for Scientific and Technological Development (CNPq); Ministry of Education and Science of the Russian FederationMinistry of Education and Science, Russian Federation; NNSFCNational Natural Science Foundation of China (NSFC); CASChinese Academy of Sciences; MoST; MoE of ChinaMinistry of Education, China; GA and MSMT of the Czech Republic; FOM and NOW of the NetherlandsFOM (The Netherlands); DAEDepartment of Atomic Energy (DAE); DSTDepartment of Science & Technology (India); CSIR of IndiaCouncil of Scientific & Industrial Research (CSIR) - India; Polish Ministry of Science and Higher Education,Ministry of Science and Higher Education, Poland; Korea Research FoundationKorea Research Foundation; Ministry of Science, Education and Sports of the Republic Of CroatiaMinistry of Science, Education and Sports, Republic of Croatia; Russian Ministry of Science and Technology; RosAtom of Russia; Science and Technology Facilities CouncilUK Research & Innovation (UKRI)Science & Technology Facilities Council (STFC) [PP/F001061/1] Funding Source: researchfish
机构署名:
本校为其他机构
院系归属:
物理科学与技术学院
摘要:
We report new results on identified (anti)proton and charged pion spectra at large transverse momenta (3<pT<10 GeV/c) from Cu+Cu collisions at √sNN=200 GeV using the STAR detector at the Relativistic Heavy Ion Collider (RHIC). This study explores the system size dependence of two novel features observed at RHIC with heavy ions: the hadron suppression at high-pT and the anomalous baryon to meson enhancement at intermediate transverse momenta. Both phenomena could be attributed to the creation of a new form of QCD matter. The results presented here bridge the system size gap between the available pp and Au+Au data, and allow for a detailed exploration of the onset of the novel features. Comparative analysis of all available 200 GeV data indicates that the system size is a major factor determining both the magnitude of the hadron spectra suppression at large transverse momenta and the relative baryon to meson enhancement. © 2010 The American Physical Society.

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