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Phys Rev Lett. 2009 Oct 23;103(17):172301. doi: 10.1103/PhysRevLett.103.172301. Epub 2009 Oct 21.

Growth of long range forward-backward multiplicity correlations with centrality in Au + Au collisions at square root of sNN = 200 GeV.

Physical review letters

B I Abelev, M M Aggarwal, Z Ahammed, B D Anderson, D Arkhipkin, G S Averichev, J Balewski, O Barannikova, L S Barnby, J Baudot, S Baumgart, D R Beavis, R Bellwied, F Benedosso, M J Betancourt, R R Betts, A Bhasin, A K Bhati, H Bichsel, J Bielcik, J Bielcikova, B Biritz, L C Bland, M Bombara, B E Bonner, M Botje, J Bouchet, E Braidot, A V Brandin, E Bruna, S Bueltmann, T P Burton, M Bystersky, X Z Cai, H Caines, M Calderón de la Barca Sánchez, O Catu, D Cebra, R Cendejas, M C Cervantes, Z Chajecki, P Chaloupka, S Chattopadhyay, H F Chen, J H Chen, J Y Chen, J Cheng, M Cherney, A Chikanian, K E Choi, W Christie, R F Clarke, M J M Codrington, R Corliss, T M Cormier, M R Cosentino, J G Cramer, H J Crawford, D Das, S Dash, M Daugherity, L C De Silva, T G Dedovich, M DePhillips, A A Derevschikov, R Derradi de Souza, L Didenko, P Djawotho, S M Dogra, X Dong, J L Drachenberg, J E Draper, F Du, J C Dunlop, M R Dutta Mazumdar, W R Edwards, L G Efimov, E Elhalhuli, M Elnimr, V Emelianov, J Engelage, G Eppley, B Erazmus, M Estienne, L Eun, P Fachini, R Fatemi, J Fedorisin, A Feng, P Filip, E Finch, V Fine, Y Fisyak, C A Gagliardi, L Gaillard, D R Gangadharan, M S Ganti, E J Garcia-Solis, A Geromitsos, F Geurts, V Ghazikhanian, P Ghosh, Y N Gorbunov, A Gordon, O Grebenyuk, D Grosnick, B Grube, S M Guertin, K S F F Guimaraes, A Gupta, N Gupta, W Guryn, B Haag, T J Hallman, A Hamed, J W Harris, W He, M Heinz, S Heppelmann, B Hippolyte, A Hirsch, E Hjort, A M Hoffman, G W Hoffmann, D J Hofman, R S Hollis, H Z Huang, T J Humanic, L Huo, G Igo, A Iordanova, P Jacobs, W W Jacobs, P Jakl, C Jena, F Jin, C L Jones, P G Jones, J Joseph, E G Judd, S Kabana, K Kajimoto, K Kang, J Kapitan, D Keane, A Kechechyan, D Kettler, V Yu Khodyrev, D P Kikola, J Kiryluk, A Kisiel, A G Knospe, A Kocoloski, D D Koetke, M Kopytine, W Korsch, L Kotchenda, V Kouchpil, P Kravtsov, V I Kravtsov, K Krueger, M Krus, C Kuhn, L Kumar, P Kurnadi, M A C Lamont, J M Landgraf, S LaPointe, J Lauret, A Lebedev, R Lednicky, C-H Lee, J H Lee, W Leight, M J Levine, N Li, C Li, Y Li, G Lin, S J Lindenbaum, M A Lisa, F Liu, J Liu, L Liu, T Ljubicic, W J Llope, R S Longacre, W A Love, Y Lu, T Ludlam, G L Ma, Y G Ma, D P Mahapatra, R Majka, O I Mall, L K Mangotra, R Manweiler, S Margetis, C Markert, H S Matis, Yu A Matulenko, T S McShane, A Meschanin, R Milner, N G Minaev, S Mioduszewski, A Mischke, J Mitchell, B Mohanty, D A Morozov, M G Munhoz, B K Nandi, C Nattrass, T K Nayak, J M Nelson, P K Netrakanti, M J Ng, L V Nogach, S B Nurushev, G Odyniec, A Ogawa, H Okada, V Okorokov, D Olson, M Pachr, B S Page, S K Pal, Y Pandit, Y Panebratsev, T Pawlak, T Peitzmann, V Perevoztchikov, C Perkins, W Peryt, S C Phatak, M Planinic, J Pluta, N Poljak, A M Poskanzer, B V K S Potukuchi, D Prindle, C Pruneau, N K Pruthi, P R Pujahari, J Putschke, R Raniwala, S Raniwala, R Redwine, R Reed, A Ridiger, H G Ritter, J B Roberts, O V Rogachevskiy, J L Romero, A Rose, C Roy, L Ruan, M J Russcher, R Sahoo, I Sakrejda, T Sakuma, S Salur, J Sandweiss, M Sarsour, J Schambach, R P Scharenberg, N Schmitz, J Seger, I Selyuzhenkov, P Seyboth, A Shabetai, E Shahaliev, M Shao, M Sharma, S S Shi, X-H Shi, E P Sichtermann, F Simon, R N Singaraju, M J Skoby, N Smirnov, R Snellings, P Sorensen, J Sowinski, H M Spinka, B Srivastava, A Stadnik, T D S Stanislaus, D Staszak, M Strikhanov, B Stringfellow, A A P Suaide, M C Suarez, N L Subba, M Sumbera, X M Sun, Y Sun, Z Sun, B Surrow, T J M Symons, A Szanto de Toledo, J Takahashi, A H Tang, Z Tang, T Tarnowsky, D Thein, J H Thomas, J Tian, A R Timmins, S Timoshenko, D Tlusty, M Tokarev, V N Tram, A L Trattner, S Trentalange, R E Tribble, O D Tsai, J Ulery, T Ullrich, D G Underwood, G Van Buren, M van Leeuwen, A M Vander Molen, J A Vanfossen, R Varma, G M S Vasconcelos, I M Vasilevski, A N Vasiliev, F Videbaek, S E Vigdor, Y P Viyogi, S Vokal, S A Voloshin, M Wada, M Walker, F Wang, G Wang, J S Wang, Q Wang, X Wang, X L Wang, Y Wang, G Webb, J C Webb, G D Westfall, C Whitten, H Wieman, S W Wissink, R Witt, Y Wu, W Xie, N Xu, Q H Xu, Y Xu, Z Xu, Y Yang, P Yepes, I-K Yoo, Q Yue, M Zawisza, H Zbroszczyk, W Zhan, S Zhang, W M Zhang, X P Zhang, Y Zhang, Z P Zhang, Y Zhao, C Zhong, J Zhou, R Zoulkarneev, Y Zoulkarneeva, J X Zuo,

Affiliations

  1. University of Illinois at Chicago, Chicago, Illinois 60607, USA.

PMID: 19905749 DOI: 10.1103/PhysRevLett.103.172301

Abstract

Forward-backward multiplicity correlation strengths have been measured with the STAR detector for Au + Au and p + p collisions at square root of s(NN) = 200 GeV. Strong short- and long-range correlations (LRC) are seen in central Au + Au collisions. The magnitude of these correlations decrease with decreasing centrality until only short-range correlations are observed in peripheral Au + Au collisions. Both the dual parton model (DPM) and the color glass condensate (CGC) predict the existence of the long-range correlations. In the DPM, the fluctuation in the number of elementary (parton) inelastic collisions produces the LRC. In the CGC, longitudinal color flux tubes generate the LRC. The data are in qualitative agreement with the predictions of the DPM and indicate the presence of multiple parton interactions.

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