J/ψ polarization in p+p collisions at s=200 GeV in STAR

We report on a polarization measurement of inclusive J/ψ mesons in the di-electron decay channel at mid-rapidity at 2<pT<6 GeV/c in p+p collisions at s=200 GeV. Data were taken with the STAR detector at RHIC. The J/ψ polarization measurement should help to distinguish between different models...

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Main Authors: L. Adamczyk, J.K. Adkins, G. Agakishiev, M.M. Aggarwal, Z. Ahammed, I. Alekseev, J. Alford, C.D. Anson, A. Aparin, D. Arkhipkin, E.C. Aschenauer, G.S. Averichev, J. Balewski, A. Banerjee, Z. Barnovska, D.R. Beavis, R. Bellwied, A. Bhasin, A.K. Bhati, P. Bhattarai, H. Bichsel, J. Bielcik, J. Bielcikova, L.C. Bland, I.G. Bordyuzhin, W. Borowski, J. Bouchet, A.V. Brandin, S.G. Brovko, S. Bültmann, I. Bunzarov, T.P. Burton, J. Butterworth, H. Caines, M. Calderón de la Barca Sánchez, D. Cebra, R. Cendejas, M.C. Cervantes, P. Chaloupka, Z. Chang, S. Chattopadhyay, H.F. Chen, J.H. Chen, L. Chen, J. Cheng, M. Cherney, A. Chikanian, W. Christie, J. Chwastowski, M.J.M. Codrington, R. Corliss, J.G. Cramer, H.J. Crawford, X. Cui, S. Das, A. Davila Leyva, L.C. De Silva, R.R. Debbe, T.G. Dedovich, J. Deng, A.A. Derevschikov, R. Derradi de Souza, S. Dhamija, B. di Ruzza, L. Didenko, C. Dilks, F. Ding, P. Djawotho, X. Dong, J.L. Drachenberg, J.E. Draper, C.M. Du, L.E. Dunkelberger, J.C. Dunlop, L.G. Efimov, J. Engelage, K.S. Engle, G. Eppley, L. Eun, O. Evdokimov, R. Fatemi, S. Fazio, J. Fedorisin, P. Filip, E. Finch, Y. Fisyak, C.E. Flores, C.A. Gagliardi, D.R. Gangadharan, D. Garand, F. Geurts, A. Gibson, M. Girard, S. Gliske, D. Grosnick, Y. Guo, A. Gupta, S. Gupta, W. Guryn, B. Haag, O. Hajkova, A. Hamed, L.-X. Han, R. Haque, J.W. Harris, J.P. Hays-Wehle, S. Heppelmann, A. Hirsch, G.W. Hoffmann, D.J. Hofman, S. Horvat, B. Huang, H.Z. Huang, X. Huang, P. Huck, T.J. Humanic, G. Igo, W.W. Jacobs, H. Jang, E.G. Judd, S. Kabana, D. Kalinkin, K. Kang, K. Kauder, H.W. Ke, D. Keane, A. Kechechyan, A. Kesich, Z.H. Khan, D.P. Kikola, I. Kisel, A. Kisiel, D.D. Koetke, T. Kollegger, J. Konzer, I. Koralt, W. Korsch, L. Kotchenda, P. Kravtsov, K. Krueger, I. Kulakov, L. Kumar, R.A. Kycia, M.A.C. Lamont, J.M. Landgraf, K.D. Landry, J. Lauret, A. Lebedev, R. Lednicky, J.H. Lee, W. Leight, M.J. LeVine, C. Li, W. Li, X. Li, Y. Li, Z.M. Li, L.M. Lima, M.A. Lisa, F. Liu, T. Ljubicic, W.J. Llope, R.S. Longacre, X. Luo, G.L. Ma, Y.G. Ma, D.M.M.D. Madagodagettige Don, D.P. Mahapatra, R. Majka, S. Margetis, C. Markert, H. Masui, H.S. Matis, D. McDonald, T.S. McShane, N.G. Minaev, S. Mioduszewski, B. Mohanty, M.M. Mondal, D.A. Morozov, M.G. Munhoz, M.K. Mustafa, B.K. Nandi, Md. Nasim, T.K. Nayak, J.M. Nelson, L.V. Nogach, S.Y. Noh, J. Novak, S.B. Nurushev, G. Odyniec, A. Ogawa, K. Oh, A. Ohlson, V. Okorokov, E.W. Oldag, R.A.N. Oliveira, M. Pachr, B.S. Page, S.K. Pal, Y.X. Pan, Y. Pandit, Y. Panebratsev, T. Pawlak, B. Pawlik, H. Pei, C. Perkins, W. Peryt, P. Pile, M. Planinic, J. Pluta, D. Plyku, N. Poljak, J. Porter, A.M. Poskanzer, N.K. Pruthi, M. Przybycien, P.R. Pujahari, H. Qiu, A. Quintero, S. Ramachandran, R. Raniwala, S. Raniwala, R.L. Ray, C.K. Riley, H.G. Ritter, J.B. Roberts, O.V. Rogachevskiy, J.L. Romero, J.F. Ross, A. Roy, L. Ruan, J. Rusnak, N.R. Sahoo, P.K. Sahu, I. Sakrejda, S. Salur, A. Sandacz, J. Sandweiss, E. Sangaline, A. Sarkar, J. Schambach, R.P. Scharenberg, A.M. Schmah, W.B. Schmidke, N. Schmitz, J. Seger, P. Seyboth, N. Shah, E. Shahaliev, P.V. Shanmuganathan, M. Shao, B. Sharma, W.Q. Shen, S.S. Shi, Q.Y. Shou, E.P. Sichtermann, R.N. Singaraju, M.J. Skoby, D. Smirnov, N. Smirnov, D. Solanki, P. Sorensen, U.G. deSouza, H.M. Spinka, B. Srivastava, T.D.S. Stanislaus, J.R. Stevens, R. Stock, M. Strikhanov, B. Stringfellow, A.A.P. Suaide, M. Sumbera, X. Sun, X.M. Sun, Y. Sun, Z. Sun, B. Surrow, D.N. Svirida, T.J.M. Symons, A. Szanto de Toledo, J. Takahashi, A.H. Tang, Z. Tang, T. Tarnowsky, J.H. Thomas, A.R. Timmins, D. Tlusty, M. Tokarev, S. Trentalange, R.E. Tribble, P. Tribedy, B.A. Trzeciak, O.D. Tsai, J. Turnau, T. Ullrich, D.G. Underwood, G. Van Buren, G. van Nieuwenhuizen, J.A. Vanfossen, Jr., R. Varma, G.M.S. Vasconcelos, A.N. Vasiliev, R. Vertesi, F. Videbæk, Y.P. Viyogi, S. Vokal, A. Vossen, M. Wada, M. Walker, F. Wang, G. Wang, H. Wang, J.S. Wang, X.L. Wang, Y. Wang, G. Webb, J.C. Webb, G.D. Westfall, H. Wieman, S.W. Wissink, R. Witt, Y.F. Wu, Z. Xiao, W. Xie, K. Xin, H. Xu, N. Xu, Q.H. Xu, Y. Xu, Z. Xu, W. Yan, C. Yang, Y. Yang, Z. Ye, P. Yepes, L. Yi, K. Yip, I.-K. Yoo, Y. Zawisza, H. Zbroszczyk, W. Zha, J.B. Zhang, J.L. Zhang, S. Zhang, X.P. Zhang, Y. Zhang, Z.P. Zhang, F. Zhao, J. Zhao, C. Zhong, X. Zhu, Y.H. Zhu, Y. Zoulkarneeva, M. Zyzak
Format: Article
Language:English
Published: Elsevier 2014-12-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269314007722