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Hoffmann, H. Bichsel, H. Caines, H. F. Chen, H. G. Ritter, H. Jang, H. J. Crawford, H. Masui, H. M. Spinka, H. Pei, H. Qiu, H. S. Matis, H. Wang, H. Wieman, H. W. Ke, H. Xu, H. Zbroszczyk, H. Z. Huang, I. Alekseev, I. Bunzarov, I. G. Bordyuzhin, I. Kisel, I. Koralt, I. Kulakov, I-K. Yoo, I. Sakrejda, J. Alford, J. A. Vanfossen, J. Balewski, J. Bielcik, J. Bielcikova, J. Bouchet, J. B. Roberts, J. Butterworth, J. B. Zhang, J. C. Dunlop, J. Cheng, J. Chwastowski, J. C. Webb, J. Deng, J. E. Draper, J. Engelage, J. Fedorisin, J. F. Ross, J. G. Cramer, J. H. Chen, J. H. Lee, J. H. Thomas, J. K. Adkins, J. Konzer, J. Lauret, J. L. Drachenberg, J. L. Romero, J. L. Zhang, J. M. Campbell, J. M. Landgraf, J. M. Nelson, J. Novak, J. Pluta, J. Porter, J. Putschke, Jr., J. R. Stevens, J. Rusnak, J. Sandweiss, J. Schambach, J. Seger, J. S. Wang, J. Takahashi, J. Turnau, J. W. Harris, J. Xu, J. Zhao, K. D. Landry, K. Kang, K. Kauder, K. Krueger, K. Oh, K. Poniatowska, K. S. Engle, K. Xin, K. Yip, L. C. Bland, L. C. De Silva, L. Chen, L. Didenko, L. E. Dunkelberger, L. Eun, L. G. Efimov, L. Greiner, L. K. Kosarzewski, L. Kotchenda, L. Kumar, L. Ruan, L. V. Nogach, L-X. Han, L. Yi, M. A. C. Lamont, M. A. Lisa, M. A. Szelezniak, M. Calder\\'on de la Barca S\\'anchez, M. C. Cervantes, M. Cherney, Md. Nasim, M. Girard, M. J. LeVine, M. J. M. Codrington, M. J. Skoby, M. K. Mustafa, M. Lomnitz, M. M. Aggarwal, M. M. Mondal, M. Pachr, M. Planinic, M. Przybycien, M. Shao, M. Strikhanov, M. Sumbera, M. Tokarev, M. Vandenbroucke, M. Wada, M. Zyzak, N. G. Minaev, N. K. Pruthi, N. Poljak, N. R. Sahoo, N. Schmitz, N. Shah, N. Smirnov, N. Xu, N. Yu, O. D. Tsai, O. Evdokimov, O. Eyser, O. Rusnakova, O. V. Rogachevskiy, P. Bhattarai, P. Chaloupka, P. Djawotho, P. Filip, P. Huck, P. Kravtsov, P. K. Sahu, P. Pile, P. R. Pujahari, P. Seyboth, P. Sorensen, P. Tribedy, P. V. Shanmuganathan, P. Yepes, Q. H. Xu, Q. Y. Shou, R. A. Kycia, R. Bellwied, R. Cendejas, R. Derradi de Souza, R. E. Tribble, R. Fatemi, R. Haque, R. Lednicky, R. L. Ray, R. Majka, R. N. Singaraju, R. P. Scharenberg, R. Raniwala, R. R. Debbe, R. S. Longacre, R. Stock, R. Varma, R. Vertesi, R. Witt, S. B. Nurushev, S. B\\\"ultmann, S. Chattopadhyay, S. Das, S. Dhamija, S. Fazio, S. G. Brovko, S. Gliske, S. Gupta, S. Heppelmann, S. Horvat, S. Kabana, S. K. Pal, S. Margetis, S. Mioduszewski, S. Ramachandran, S. Raniwala, S. Salur, S. S. Shi, STAR Collaboration: L. Adamczyk, S. Trentalange, S. Vokal, S. W. Wissink, S. Y. Noh, S. Zhang, T. D. S. Stanislaus, T. G. Dedovich, T. J. Humanic, T. J. M. Symons, T. K. Nayak, T. Kollegger, T. Ljubicic, T. Pawlak, T. P. Burton, T. S. McShane, T. Tarnowsky, T. Ullrich, V. Okorokov, W. Borowski, W. B. Schmidke, W. Christie, W. Guryn, W. J. Llope, W. Li, W. Peryt, W. Q. Shen, W. W. Jacobs, W. Xie, W. Yan, W. Zha, X. Cui, X. Dong, X. Huang, X. Li, X. Luo, X. L. Wang, X. M. Sun, X. P. Zhang, X. Sun, X. Zhu, Y. Fisyak, Y. F. Wu, Y. G. Ma, Y. Guo, Y. H. Zhu, Y. Li, Y. Pandit, Y. Panebratsev, Y. P. Viyogi, Y. Sun, Y. Wang, Y. X. Pan, Y. Xu, Y. Yang, Y. Zawisza, Y. Zhang, Y. Zoulkarneeva, Z. Ahammed, Z. Chang, Z. H. Khan, Z. M. Li, Z. P. Zhang, Z. Sun, Z. Tang, Z. Xiao, Z. Xu, Z. Ye","submitted_at":"2014-04-28T07:02:30Z","abstract_excerpt":"We report measurements of single- and double- spin asymmetries for $W^{\\pm}$ and $Z/\\gamma^*$ boson production in longitudinally polarized $p+p$ collisions at $\\sqrt{s} = 510$ GeV by the STAR experiment at RHIC. The asymmetries for $W^{\\pm}$ were measured as a function of the decay lepton pseudorapidity, which provides a theoretically clean probe of the proton's polarized quark distributions at the scale of the $W$ mass. 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Judd, E. P. Sichtermann, E. Sangaline, E. Shahaliev, E. W. Oldag, F. Ding, F. Geurts, F. Liu, F. Videb{\\ae}k, F. Wang, F. Zhao, G. Agakishiev, G. Contin, G. D. Westfall, G. Eppley, G. Igo, G. L. Ma, G. M. S. Vasconcelos, G. Nigmatkulov, G. Odyniec, G. S. Averichev, G. Van Buren, G. van Nieuwenhuizen, G. Wang, G. Webb, G. W. Hoffmann, H. Bichsel, H. Caines, H. F. Chen, H. G. Ritter, H. Jang, H. J. Crawford, H. Masui, H. M. Spinka, H. Pei, H. Qiu, H. S. Matis, H. Wang, H. Wieman, H. W. Ke, H. Xu, H. Zbroszczyk, H. Z. Huang, I. Alekseev, I. Bunzarov, I. G. Bordyuzhin, I. Kisel, I. Koralt, I. Kulakov, I-K. Yoo, I. Sakrejda, J. Alford, J. A. Vanfossen, J. Balewski, J. Bielcik, J. Bielcikova, J. Bouchet, J. B. Roberts, J. Butterworth, J. B. Zhang, J. C. Dunlop, J. Cheng, J. Chwastowski, J. C. Webb, J. Deng, J. E. Draper, J. Engelage, J. Fedorisin, J. F. Ross, J. G. Cramer, J. H. Chen, J. H. Lee, J. H. Thomas, J. K. Adkins, J. Konzer, J. Lauret, J. L. Drachenberg, J. L. Romero, J. L. Zhang, J. M. Campbell, J. M. Landgraf, J. M. Nelson, J. Novak, J. Pluta, J. Porter, J. Putschke, Jr., J. R. Stevens, J. Rusnak, J. Sandweiss, J. Schambach, J. Seger, J. S. Wang, J. Takahashi, J. Turnau, J. W. Harris, J. Xu, J. Zhao, K. D. Landry, K. Kang, K. Kauder, K. Krueger, K. Oh, K. Poniatowska, K. S. Engle, K. Xin, K. Yip, L. C. Bland, L. C. De Silva, L. Chen, L. Didenko, L. E. Dunkelberger, L. Eun, L. G. Efimov, L. Greiner, L. K. Kosarzewski, L. Kotchenda, L. Kumar, L. Ruan, L. V. Nogach, L-X. Han, L. Yi, M. A. C. Lamont, M. A. Lisa, M. A. Szelezniak, M. Calder\\'on de la Barca S\\'anchez, M. C. Cervantes, M. Cherney, Md. Nasim, M. Girard, M. J. LeVine, M. J. M. Codrington, M. J. Skoby, M. K. Mustafa, M. Lomnitz, M. M. Aggarwal, M. M. Mondal, M. Pachr, M. Planinic, M. Przybycien, M. Shao, M. Strikhanov, M. Sumbera, M. Tokarev, M. Vandenbroucke, M. Wada, M. Zyzak, N. G. Minaev, N. K. Pruthi, N. Poljak, N. R. Sahoo, N. Schmitz, N. Shah, N. Smirnov, N. Xu, N. Yu, O. D. Tsai, O. Evdokimov, O. Eyser, O. Rusnakova, O. V. Rogachevskiy, P. Bhattarai, P. Chaloupka, P. Djawotho, P. Filip, P. Huck, P. Kravtsov, P. K. Sahu, P. Pile, P. R. Pujahari, P. Seyboth, P. Sorensen, P. Tribedy, P. V. Shanmuganathan, P. Yepes, Q. H. Xu, Q. Y. Shou, R. A. Kycia, R. Bellwied, R. Cendejas, R. Derradi de Souza, R. E. Tribble, R. Fatemi, R. Haque, R. Lednicky, R. L. Ray, R. Majka, R. N. Singaraju, R. P. Scharenberg, R. Raniwala, R. R. Debbe, R. S. Longacre, R. Stock, R. Varma, R. Vertesi, R. Witt, S. B. Nurushev, S. B\\\"ultmann, S. Chattopadhyay, S. Das, S. Dhamija, S. Fazio, S. G. Brovko, S. Gliske, S. Gupta, S. Heppelmann, S. Horvat, S. Kabana, S. K. Pal, S. Margetis, S. Mioduszewski, S. Ramachandran, S. Raniwala, S. Salur, S. S. Shi, STAR Collaboration: L. Adamczyk, S. Trentalange, S. Vokal, S. W. Wissink, S. Y. Noh, S. Zhang, T. D. S. Stanislaus, T. G. Dedovich, T. J. Humanic, T. J. M. Symons, T. K. Nayak, T. Kollegger, T. Ljubicic, T. Pawlak, T. P. Burton, T. S. McShane, T. Tarnowsky, T. Ullrich, V. Okorokov, W. Borowski, W. B. Schmidke, W. Christie, W. Guryn, W. J. Llope, W. Li, W. Peryt, W. Q. Shen, W. W. Jacobs, W. Xie, W. Yan, W. Zha, X. Cui, X. Dong, X. Huang, X. Li, X. Luo, X. L. Wang, X. M. Sun, X. P. Zhang, X. Sun, X. Zhu, Y. Fisyak, Y. F. Wu, Y. G. Ma, Y. Guo, Y. H. Zhu, Y. Li, Y. Pandit, Y. Panebratsev, Y. P. Viyogi, Y. Sun, Y. Wang, Y. X. Pan, Y. Xu, Y. Yang, Y. Zawisza, Y. Zhang, Y. Zoulkarneeva, Z. Ahammed, Z. Chang, Z. H. Khan, Z. M. Li, Z. P. Zhang, Z. Sun, Z. Tang, Z. Xiao, Z. Xu, Z. Ye","submitted_at":"2014-04-28T07:02:30Z","abstract_excerpt":"We report measurements of single- and double- spin asymmetries for $W^{\\pm}$ and $Z/\\gamma^*$ boson production in longitudinally polarized $p+p$ collisions at $\\sqrt{s} = 510$ GeV by the STAR experiment at RHIC. 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