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Charged particle distributions and nuclear modification at high rapidities in d+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV
Authors :
Abelev, B.I. Aggarwal, M.M. Ahammed, Z. Anderson, B.D. Arkhipkin, D. Averichev, G.S. Bai, Y. Balewski, J. Barannikova, O. Barnby, L.S. Baudot, J. Baumgart, S. Belaga, V.V. Bellingeri-Laurikainen, A. Bellwied, R. Benedosso, F. Betts, R.R. Bhardwaj, S. Bhasin, A. Bhati, A.K. Bichsel, H. Bielcik, J. Bielcikova, J. Bland, L.C. Blyth, S.-L. Bombara, M. Bonner, B.E. Botje, M. Bouchet, J. Brandin, A.V. Bravar, A. Burton, T.P. Bystersky, M. Cadman, R.V. Cai, X.Z. Caines, H. Calderon De La Barca Sanchez, M. Callner, J. Catu, O. Cebra, D. Chajecki, Z. Chaloupka, P. Chattopadhyay, S. Chen, H.F. Chen, J.H. Chen, J.Y. Cheng, J. Cherney, M. Chikanian, A. Christie, W. Chung, S.U. Coffin, J.P. Cormier, T.M. Cosentino, M.R. Cramer, J.G. Crawford, H.J. Das, D. Dash, S. Daugherity, M. De Moura, M.M. Dedovich, T.G. Dephillips, M. Derevschikov, A.A. Didenko, L. Dietel, T. Djawotho, P. Dogra, S.M. Dong, X. Drachenberg, J.L. Draper, J.E. Du, F. Dunin, V.B. Dunlop, J.C. Dutta Mazumdar, M.R. Eckardt, V. Edwards, W.R. Efimov, L.G. Emelianov, V. Engelage, J. Eppley, G. Erazmus, B. Estienne, Magali Fachini, P. Fatemi, R. Fedorisin, J. Feng, A. Filip, P. Finch, E. Fine, V. Fisyak, Y. Fu, J. Gagliardi, C.A. Gaillard, L. Ganti, M.S. Garcia-Solis, E. Ghazikhanian, V. Ghosh, P. Gorbunov, Y.G. Gos, H. Grebenyuk, O. Grosnick, D. Guertin, S.M. Guimaraes, K.S.F.F. Gupta, N. Haag, B. Hallman, T.J. Hamed, A. Harris, J.W. He, W. Heinz, M. Henry, T.W. Heppelmann, S. Hippolyte, B. Hirsch, A. Hjort, E. Hoffman, A.M. Hoffmann, G.W. Hofman, D. Hollis, R. Horner, M.J. Huang, H.Z. Hughes, E.W. Humanic, T.J. Igo, G. Iordanova, A. Jacobs, P. Jacobs, W.W. Jakl, P. Jia, F. Jones, P.G. Judd, E.G. Kabana, S. Kang, K. Kapitan, J. Kaplan, M. Keane, D. Kechechyan, A. Kettler, D. Khodyrev, V.Yu. Kim, B.C. Kiryluk, J. Kisiel, A. Kislov, E.M. Klein, S.R. Knospe, A.G. Kocoloski, A. Koetke, D.D. Kollegger, T. Kopytine, M. Kotchenda, L. Kouchpil, V. Kowalik, K.L. Kravtsov, P. Kravtsov, V.I. Krueger, K. Kuhn, C. Kulikov, A.I. Kumar, A. Kurnadi, P. Kuznetsov, A.A. Lamont, M.A.C. Landgraf, J.M. Lange, S. Lapointe, S. Laue, F. Lauret, J. Lebedev, A. Lednicky, R. Lee, C.-H. Lehocka, S. LeVine, M.J. Li, C. Li, Q. Li, Y. Lin, G. Lin, X. Lindenbaum, S.J. Lisa, M.A. Liu, Franklin Liu, Hong Liu, J. Liu, L. Ljubicic, T. Llope, W.J. Longacre, R.S. Love, W.A. Lu, Y. Ludlam, T. Lynn, D. Ma, G.L. Ma, J.G. Ma, Y.G. Magestro, D. Mahapatra, D.P. Majka, R. Mangotra, L.K. Manweiler, R. Margetis, S. Markert, C. Martin, Lilian Matis, H.S. Matulenko, Yu.A. McClain, C.J. McShane, T.S. Melnick, Yu. Meschanin, A. Millane, J. Miller, M.L. Minaev, N.G. Mioduszewski, S. Mironov, C. Mischke, A. Mitchell, J. Mohanty, B. Morozov, D.A. Munhoz, M.G. Nandi, B.K. Nattrass, C. Nayak, T.K. Nelson, J.M. Nepali, N.S. Netrakanti, P.K. Nogach, L.V. Nurushev, S.B. Odyniec, G. Ogawa, A. Okorokov, V. Oldenburg, M. Olson, D. Pachr, M. Pal, S.K. Panebratsev, Y. Pavlinov, A.I. Pawlak, T. Peitzmann, T. Perevoztchikov, V. Perkins, C. Peryt, W. Phatak, S.C. Planinic, M. Pluta, J. Poljak, N. Porile, N. Poskanzer, A.M. Potekhin, M. Potrebenikova, E. Potukuchi, B.V.K.S. Prindle, D. Pruneau, C. Putschke, J. Qattan, I.A. Raniwala, R. Raniwala, S. Ray, R.L. Relyea, D. Ridiger, A. Ritter, H.G. Roberts, J.B. Rogachevskiy, O.V. Romero, J.L. Rose, A. Roy, C. Ruan, L. Russcher, M.J. Sahoo, R. Sakrejda, I. Sakuma, T. Salur, S. Sandweiss, J. Sarsour, M. Sazhin, P.S. Schambach, J. Scharenberg, R.P. Schmitz, N. Seger, J. Selyuzhenkov, I. Seyboth, P. Shabetai, Alexandre Shahaliev, E. Shao, M. Sharma, M. Shen, W.Q. Shimanskiy, S.S. Sichtermann, E.P. Simon, F. Singaraju, R.N. Smirnov, N. Snellings, R. Sorensen, P. Sowinski, J. Speltz, J. Spinka, H.M. Srivastava, B. Stadnik, A. Stanislaus, T.D.S. Staszak, D. Stock, R. Strikhanov, M. Stringfellow, B. Suaide, A.A.P. Suarez, M.C. Subba, N.L. Sumbera, M. Sun, X.M. Sun, Z. Surrow, B. Symons, T.J.M. Szanto De Toledo, A. Takahashi, J. Tang, A.H. Tarnowsky, T. Thomas, J.H. Timmins, A.R. Timoshenko, S. Tokarev, M. Trainor, T.A. Trentalange, S. Tribble, R.E. Tsai, O.D. Ulery, J. Ullrich, T. Underwood, D.G. Van Buren, G. Van Der Kolk, N. Van Leeuwen, M. Vander Molen, A.M. Varma, R. Vasilevski, I.M. Vasiliev, A.N. Vernet, R. Vigdor, S.E. Viyogi, Y.P. Vokal, S. Voloshin, S.A. Waggoner, W.T. Wang, F. Wang, Gang Wang, J.S. Wang, X.L. Wang, Y. Watson, J.W. Webb, J.C. Westfall, G.D. Wetzler, A. Whitten Jr., C. Wieman, H. Wissink, S.W. Witt, R. Wu, J. Wu, Y. Xu, N. Xu, Q.H. Xu, Z. Yepes, P. Yoo, I.-K. Yue, Q. Yurevich, V.I. Zhan, W. Zhang, H. Zhang, W.M. Zhang, Y. Zhang, Z.P. Zhao, Y. Zhong, C. Zhou, J. Zoulkarneev, R. Zoulkarneeva, Y. Zubarev, A.N. Zuo, J.X. Département Recherches Subatomiques (DRS-IPHC) Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS) Laboratoire SUBATECH Nantes (SUBATECH) Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Nantes (UN)-Mines Nantes (Mines Nantes) STAR Mines Nantes (Mines Nantes)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Publication Year :
2007
Publisher :
arXiv, 2007.
Abstract
The measurements of the centrality dependence of $dN/d\eta$ and transverse momentum spectra from mid- to forward rapidity in d+Au collisions at $\sqrt{s_{_{\rm NN}}} =$ 200 GeV are reported. They provide a sensitive tool for understanding the dynamics of multi-particle production in the high parton-density regime. In particular, we observe strong suppression of the nuclear modification factor $R_{CP}$ at forward rapidities (d-side, $\eta$ = 3.1) and enhancement at backward rapidity ($\eta$ = $-$3.1). An empirical scaling is obtained for multiplicity and $R_{CP}$ when a shift of the center-of-mass in the asymmetric d+Au collisions with respect to the nucleon-nucleon system is applied.<br />Comment: 8 pages, 5 figures, submitted to PLB