학술논문

Cross section and longitudinal single-spin asymmetry $A_L$ for forward $W^{\pm}\rightarrow\mu^{\pm}\nu$ production in polarized $p$$+$$p$ collisions at $\sqrt{s}=510$ GeV
Document Type
Working Paper
Author
Adare, A.Aidala, C.Ajitanand, N. N.Akiba, Y.Akimoto, R.Alexander, J.Alfred, M.Aoki, K.Apadula, N.Aramaki, Y.Asano, H.Atomssa, E. T.Awes, T. C.Azmoun, B.Babintsev, V.Bagoly, A.Bai, M.Bai, X.Bandara, N. S.Bannier, B.Barish, K. N.Bathe, S.Baublis, V.Baumann, C.Baumgart, S.Bazilevsky, A.Beaumier, M.Beckman, S.Belmont, R.Berdnikov, A.Berdnikov, Y.Black, D.Blau, D. S.Boer, M.Bok, J. S.Boyle, K.Brooks, M. L.Bryslawskyj, J.Buesching, H.Bumazhnov, V.Butsyk, S.Campbell, S.Roman, V. CanoaChen, C. -H.Chi, C. Y.Chiu, M.Choi, I. J.Choi, J. B.Choi, S.Christiansen, P.Chujo, T.Cianciolo, V.Citron, Z.Cole, B. A.Connors, M.Cronin, N.Crossette, N.Csanád, M.Csörgő, T.Danley, T. W.Datta, A.Daugherity, M. S.David, G.DeBlasio, K.Dehmelt, K.Denisov, A.Deshpande, A.Desmond, E. J.Ding, L.Dion, A.Do, J. H.D'Orazio, L.Drapier, O.Drees, A.Drees, K. A.Durham, J. M.Durum, A.Engelmore, T.Enokizono, A.En'yo, H.Esumi, S.Eyser, K. O.Fadem, B.Fan, W.Feege, N.Fields, D. E.Finger, M.Finger, Jr., M.Fleuret, F.Fokin, S. L.Frantz, J. E.Franz, A.Frawley, A. D.Fukao, Y.Fusayasu, T.Gainey, K.Gal, C.Gallus, P.Garg, P.Garishvili, A.Garishvili, I.Ge, H.Giordano, F.Glenn, A.Gong, X.Gonin, M.Goto, Y.de Cassagnac, R. GranierGrau, N.Greene, S. V.Perdekamp, M. GrosseGu, Y.Gunji, T.Guragain, H.Hachiya, T.Haggerty, J. S.Hahn, K. I.Hamagaki, H.Han, S. Y.Hanks, J.Hasegawa, S.Haseler, T. O. S.Hashimoto, K.Hayano, R.He, X.Hemmick, T. K.Hester, T.Hill, J. C.Hill, K.Hodges, A.Hollis, R. S.Homma, K.Hong, B.Hoshino, T.Hotvedt, N.Huang, J.Huang, S.Ichihara, T.Ikeda, Y.Imai, K.Imazu, Y.Inaba, M.Iordanova, A.Isenhower, D.Isinhue, A.Ivanishchev, D.Jacak, B. V.Jeon, S. J.Jezghani, M.Ji, Z.Jia, J.Jiang, X.Johnson, B. M.Joo, E.Joo, K. S.Jouan, D.Jumper, D. S.Kamin, J.Kanda, S.Kang, B. H.Kang, J. H.Kang, J. S.Kapustinsky, J.Kawall, D.Kazantsev, A. V.Key, J. A.Khachatryan, V.Khandai, P. K.Khanzadeev, A.Kihara, K.Kijima, K. M.Kim, C.Kim, D. H.Kim, D. J.Kim, E. -J.Kim, H. -J.Kim, M.Kim, Y. -J.Kim, Y. K.Kincses, D.Kistenev, E.Klatsky, J.Kleinjan, D.Kline, P.Koblesky, T.Kofarago, M.Komkov, B.Koster, J.Kotchetkov, D.Kotov, D.Krizek, F.Kurita, K.Kurosawa, M.Kwon, Y.Lacey, R.Lai, Y. S.Lajoie, J. G.Lebedev, A.Lee, D. M.Lee, G. H.Lee, J.Lee, K. B.Lee, K. S.Lee, S. H.Leitch, M. J.Leitgab, M.Leung, Y. H.Lewis, B.Lewis, N. A.Li, X.Lim, S. H.Liu, M. X.Lökös, S.Lynch, D.Maguire, C. F.Majoros, T.Makdisi, Y. I.Makek, M.Manion, A.Manko, V. I.Mannel, E.McCumber, M.McGaughey, P. L.McGlinchey, D.McKinney, C.Meles, A.Mendoza, M.Meredith, B.Miake, Y.Mibe, T.Mignerey, A. C.Mihalik, D. E.Miller, A. J.Milov, A.Mishra, D. K.Mitchell, J. T.Mitsuka, G.Miyasaka, S.Mizuno, S.Mohanty, A. K.Mohapatra, S.Montuenga, P.Moon, T.Morrison, D. P.Morrow, S. I.Moskowitz, M.Moukhanova, T. V.Murakami, T.Murata, J.Mwai, A.Nagae, T.Nagamiya, S.Nagashima, K.Nagle, J. L.Nagy, M. I.Nakagawa, I.Nakagomi, H.Nakamiya, Y.Nakamura, K. R.Nakamura, T.Nakano, K.Nattrass, C.Netrakanti, P. K.Nihashi, M.Niida, T.Nouicer, R.Novák, T.Novitzky, N.Nyanin, A. S.O'Brien, E.Ogilvie, C. A.Oide, H.Okada, K.Koop, J. D. OrjuelaOsborn, J. D.Oskarsson, A.Ozawa, K.Pak, R.Pantuev, V.Papavassiliou, V.Park, I. H.Park, S.Park, S. K.Pate, S. F.Patel, L.Patel, M.Peng, J. -C.Peng, W.Perepelitsa, D. V.Perera, G. D. N.Peressounko, D. Yu.PerezLara, C. E.Perry, J.Petti, R.Pinkenburg, C.Pinson, R.Pisani, R. P.Purschke, M. L.Qu, H.Radzevich, P. V.Rak, J.Ravinovich, I.Read, K. F.Reynolds, D.Riabov, V.Riabov, Y.Richardson, E.Richford, D.Rinn, T.Riveli, N.Roach, D.Rolnick, S. D.Rosati, M.Rowan, Z.Rubin, J. G.Runchey, J.Ryu, M. S.Sahlmueller, B.Saito, N.Sakaguchi, T.Sako, H.Samsonov, V.Sarsour, M.Sato, S.Sawada, S.Schaefer, B.Schmoll, B. K.Sedgwick, K.Seele, J.Seidl, R.Sekiguchi, Y.Sen, A.Seto, R.Sett, P.Sexton, A.Sharma, D.Shaver, A.Shein, I.Shibata, T. -A.Shigaki, K.Shimomura, M.Shoji, K.Shukla, P.Sickles, A.Silva, C. L.Silvermyr, D.Singh, B. K.Singh, C. P.Singh, V.Skoby, M. J.Skolnik, M.Slunečka, M.Solano, S.Soltz, R. A.Sondheim, W. E.Sorensen, S. P.Sourikova, I. V.Stankus, P. W.Steinberg, P.Stenlund, E.Stepanov, M.Ster, A.Stoll, S. P.Stone, M. R.Sugitate, T.Sukhanov, A.Sumita, T.Sun, J.Sun, Z.Sziklai, J.Takahara, A.Taketani, A.Tanaka, Y.Tanida, K.Tannenbaum, M. J.Tarafdar, S.Taranenko, A.Tennant, E.Tieulent, R.Timilsina, A.Todoroki, T.Tomášek, M.Torii, H.Towell, M.Towell, R.Towell, R. S.Tserruya, I.Ujvari, B.van Hecke, H. W.Vargyas, M.Vazquez-Zambrano, E.Veicht, A.Velkovska, J.Vértesi, R.Virius, M.Vossen, A.Vrba, V.Vznuzdaev, E.Wang, X. R.Watanabe, D.Watanabe, K.Watanabe, Y.Watanabe, Y. S.Wei, F.Whitaker, S.Wolin, S.Wong, C. P.Woody, C. L.Wysocki, M.Xia, B.Xu, C.Xu, Q.Xue, L.Yalcin, S.Yamaguchi, Y. L.Yang, R.Yanovich, A.Yokkaichi, S.Yoo, J. H.Yoon, I.You, Z.Younus, I.Yu, H.Yushmanov, I. E.Zajc, W. A.Zelenski, A.Zharko, S.Zhou, S.Zou, L.
Source
Phys. Rev. D 98, 032007 (2018)
Subject
High Energy Physics - Experiment
Language
Abstract
We have measured the cross section and single spin asymmetries from forward $W^{\pm}\rightarrow\mu^{\pm}\nu$ production in longitudinally polarized $p$$+$$p$ collisions at $\sqrt{s}=510$ GeV using the PHENIX detector at the Relativistic Heavy Ion Collider. The cross sections are consistent with previous measurements at this collision energy, while the most forward and backward longitudinal single spin asymmetries provide new insights into the sea quark helicities in the proton. The charge of the W bosons provides a natural flavor separation of the participating partons.
Comment: 431 authors, 14 pages, 9 figures, 3 tables. v2 is version accepted for publication in Phys. Rev. D. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html