Measurement of the Parity-Violating Longitudinal Single-Spin Asymmetry for W-+/- Boson Production in Polarized Proton-Proton Collisions at root s=500 GeV

Aggarwal, MM; Ahammed, Z; Alakhverdyants, AV; Alekseev, I; Alford, J; Anderson, BD; Anson, CD; Arkhipkin, D; Averichev, GS; Balewski, J; Beavis, DR; Bellwied, R; Betancourt, MJ; Betts, RR; Bhasin, A; Bhati, AK; Bichsel, H; Bielcik, J; Bielcikova, J; Biritz, B; Bland, LC; Borowski, W; Bouchet, J; Braidot, E; Brandin, AV; Bridgeman, A; Brovko, SG; Bruna, E; Bueltmann, S; Bunzarov, I; Burton, TP; Cai, XZ; Caines, H; Sanchez, MCD; Cebra, D; Cendejas, R; Cervantes, MC; Chajecki, Z; Chaloupka, P; Chattopadhyay, S; Chen, HF; Chen, JH; Chen, JY; Cheng, J; Cherney, M; Chikanian, A; Choi, KE; Christie, W; Chung, P; Codrington, MJM; Corliss, R; Cramer, JG; Crawford, HJ; Dash, S; Leyva, AD; De Silva, LC; Debbe, RR; Dedovich, TG; Derevschikov, AA; de Souza, RD; Didenko, L; Djawotho, P; Dogra, SM; Dong, X; Drachenberg, JL; Draper, JE; Dunlop, JC; Mazumdar, MRD; Efimov, LG; Elnimr, M; Engelage, J; Eppley, G; Erazmus, B; Estienne, M; Eun, L; Evdokimov, O; Fatemi, R; Fedorisin, J; Fersch, RG; Finch, E; Fine, V; Fisyak, Y; Gagliardi, CA; Gangadharan, DR; Ganti, MS; Geromitsos, A; Geurts, F; Ghosh, P; Gorbunov, YN; Gordon, A; Grebenyuk, O; Grosnick, D; Guertin, SM; Gupta, A; Guryn, W; Haag, B; Hamed, A; Han, LX; Harris, JW; Hays-Wehle, JP; Heinz, M; Heppelmann, S; Hirsch, A; Hjort, E; Hoffmann, GW; Hofman, DJ; Huang, B; Huang, HZ; Humanic, TJ; Huo, L; Igo, G; Jacobs, P; Jacobs, WW; Jena, C; Jin, F; Joseph, J; Judd, EG; Kabana, S; Kang, K; Kapitan, J; Kauder, K; Keane, D; Kechechyan, A; Kettler, D; Kikola, DP; Kiryluk, J; Kisiel, A; Kizka, V; Klein, SR; Knospe, AG; Kocoloski, A; Koetke, DD; Kollegger, T; Konzer, J; Koralt, I; Koroleva, L; Korsch, W; Kotchenda, L; Kouchpil, V; Kravtsov, P; Krueger, K; Krus, M; Kumar, L; Kurnadi, P; Lamont, MAC; Landgraf, JM; LaPointe, S; Lauret, J; Lebedev, A; Lednicky, R; Lee, CH; Lee, JH; Leight, W; LeVine, MJ; Li, C; Li, L; Li, N; Li, W; Li, X; Li, X; Li, Y; Li, ZM; Lisa, MA; Liu, F; Liu, H; Liu, J; Ljubicic, T; Llope, WJ; Longacre, RS; Love, WA; Lu, Y; Lukashov, EV; Luo, X; Ma, GL; Ma, YG; Mahapatra, DP; Majka, R; Mall, OI; Mangotra, LK; Manweiler, R; Margetis, S; Markert, C; Masui, H; Matis, HS; Matulenko, YA; McDonald, D; McShane, TS; Meschanin, A; Milner, R; Minaev, NG; Mioduszewski, S; Mischke, A; Mitrovski, MK; Mohanty, B; Mondal, MM; Morozov, B; Morozov, DA; Munhoz, MG; Naglis, M; Nandi, BK; Nayak, TK; Netrakanti, PK; Ng, MJ; Nogach, LV; Nurushev, SB; Odyniec, G; Ogawa, A; Ohlson, A; Okorokov, V; Oldag, EW; Olson, D; Pachr, M; Page, BS; Pal, SK; Pandit, Y; Panebratsev, Y; Pawlak, T; Peitzmann, T; Perkins, C; Peryt, W; Phatak, SC; Pile, P; Planinic, M; Ploskon, MA; Pluta, J; Plyku, D; Poljak, N; Poskanzer, AM; Potukuchi, BVKS; Powell, CB; Prindle, D; Pruneau, C; Pruthi, NK; Pujahari, PR; Putschke, J; Qiu, H; Raniwala, R; Raniwala, S; Ray, RL; Redwine, R; Reed, R; Ritter, HG; Roberts, JB; Rogachevskiy, OV; Romero, JL; Rose, A; Ruan, L; Sakai, S; Sakrejda, I; Sakuma, T; Salur, S; Sandweiss, J; Sangaline, E; Schambach, J; Scharenberg, RP; Schmah, AM; Schmitz, N; Schuster, TR; Seele, J; Seger, J; Selyuzhenkov, I; Seyboth, P; Shahaliev, E; Shao, M; Sharma, M; Shi, SS; Sichtermann, EP; Simon, F; Singaraju, RN; Skoby, MJ; Smirnov, N; Sorensen, P; Spinka, HM; Srivastava, B; Stanislaus, TDS; Staszak, D; Stevens, JR; Stock, R; Strikhanov, M; Stringfellow, B; Suaide, AAP; Suarez, MC; Subba, NL; Sumbera, M; Sun, XM; Sun, Y; Sun, Z; Surrow, B; Svirida, DN; Symons, TJM; de Toledo, AS; Takahashi, J; Tang, AH; Tang, Z; Tarini, LH; Tarnowsky, T; Thein, D; Thomas, JH; Tian, J; Timmins, AR; Timoshenko, S; Tlusty, D; Tokarev, M; Trainor, TA; Tram, VN; Trentalange, S; Tribble, RE; Tsai, OD; Ullrich, T; Underwood, DG; Van Buren, G; van Leeuwen, M; van Nieuwenhuizen, G; Vanfossen, JA; Varma, R; Vasconcelos, GMS; Vasiliev, AN; Videbk, F; Viyogi, YP; Vokal, S; Voloshin, SA; Wada, M; Walker, M; Wang, F; Wang, G; Wang, H; Wang, JS; Wang, Q; Wang, XL; Wang, Y; Webb, G; Webb, JC; Westfall, GD; Whitten, C; Wieman, H; Wissink, SW; Witt, R; Wu, YF; Xie, W; Xu, H; Xu, N; Xu, QH; Xu, W; Xu, Y; Xu, Z; Xue, L; Yang, Y; Yepes, P; Yip, K; Yoo, IK; Yue, Q; Zawisza, M; Zbroszczyk, H; Zhan, W; Zhang, JB; Zhang, S; Zhang, WM; Zhang, XP; Zhang, Y; Zhang, ZP; Zhao, J; Zhong, C; Zhou, W; Zhu, X; Zhu, YH; Zoulkarneev, R; Zoulkarneeva, Y

Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/53420

Type:	Artigo de periódico
Title:	Measurement of the Parity-Violating Longitudinal Single-Spin Asymmetry for W-+/- Boson Production in Polarized Proton-Proton Collisions at root s=500 GeV
Author:	Aggarwal, MM Ahammed, Z Alakhverdyants, AV Alekseev, I Alford, J Anderson, BD Anson, CD Arkhipkin, D Averichev, GS Balewski, J Beavis, DR Bellwied, R Betancourt, MJ Betts, RR Bhasin, A Bhati, AK Bichsel, H Bielcik, J Bielcikova, J Biritz, B Bland, LC Borowski, W Bouchet, J Braidot, E Brandin, AV Bridgeman, A Brovko, SG Bruna, E Bueltmann, S Bunzarov, I Burton, TP Cai, XZ Caines, H Sanchez, MCD Cebra, D Cendejas, R Cervantes, MC Chajecki, Z Chaloupka, P Chattopadhyay, S Chen, HF Chen, JH Chen, JY Cheng, J Cherney, M Chikanian, A Choi, KE Christie, W Chung, P Codrington, MJM Corliss, R Cramer, JG Crawford, HJ Dash, S Leyva, AD De Silva, LC Debbe, RR Dedovich, TG Derevschikov, AA de Souza, RD Didenko, L Djawotho, P Dogra, SM Dong, X Drachenberg, JL Draper, JE Dunlop, JC Mazumdar, MRD Efimov, LG Elnimr, M Engelage, J Eppley, G Erazmus, B Estienne, M Eun, L Evdokimov, O Fatemi, R Fedorisin, J Fersch, RG Finch, E Fine, V Fisyak, Y Gagliardi, CA Gangadharan, DR Ganti, MS Geromitsos, A Geurts, F Ghosh, P Gorbunov, YN Gordon, A Grebenyuk, O Grosnick, D Guertin, SM Gupta, A Guryn, W Haag, B Hamed, A Han, LX Harris, JW Hays-Wehle, JP Heinz, M Heppelmann, S Hirsch, A Hjort, E Hoffmann, GW Hofman, DJ Huang, B Huang, HZ Humanic, TJ Huo, L Igo, G Jacobs, P Jacobs, WW Jena, C Jin, F Joseph, J Judd, EG Kabana, S Kang, K Kapitan, J Kauder, K Keane, D Kechechyan, A Kettler, D Kikola, DP Kiryluk, J Kisiel, A Kizka, V Klein, SR Knospe, AG Kocoloski, A Koetke, DD Kollegger, T Konzer, J Koralt, I Koroleva, L Korsch, W Kotchenda, L Kouchpil, V Kravtsov, P Krueger, K Krus, M Kumar, L Kurnadi, P Lamont, MAC Landgraf, JM LaPointe, S Lauret, J Lebedev, A Lednicky, R Lee, CH Lee, JH Leight, W LeVine, MJ Li, C Li, L Li, N Li, W Li, X Li, X Li, Y Li, ZM Lisa, MA Liu, F Liu, H Liu, J Ljubicic, T Llope, WJ Longacre, RS Love, WA Lu, Y Lukashov, EV Luo, X Ma, GL Ma, YG Mahapatra, DP Majka, R Mall, OI Mangotra, LK Manweiler, R Margetis, S Markert, C Masui, H Matis, HS Matulenko, YA McDonald, D McShane, TS Meschanin, A Milner, R Minaev, NG Mioduszewski, S Mischke, A Mitrovski, MK Mohanty, B Mondal, MM Morozov, B Morozov, DA Munhoz, MG Naglis, M Nandi, BK Nayak, TK Netrakanti, PK Ng, MJ Nogach, LV Nurushev, SB Odyniec, G Ogawa, A Ohlson, A Okorokov, V Oldag, EW Olson, D Pachr, M Page, BS Pal, SK Pandit, Y Panebratsev, Y Pawlak, T Peitzmann, T Perkins, C Peryt, W Phatak, SC Pile, P Planinic, M Ploskon, MA Pluta, J Plyku, D Poljak, N Poskanzer, AM Potukuchi, BVKS Powell, CB Prindle, D Pruneau, C Pruthi, NK Pujahari, PR Putschke, J Qiu, H Raniwala, R Raniwala, S Ray, RL Redwine, R Reed, R Ritter, HG Roberts, JB Rogachevskiy, OV Romero, JL Rose, A Ruan, L Sakai, S Sakrejda, I Sakuma, T Salur, S Sandweiss, J Sangaline, E Schambach, J Scharenberg, RP Schmah, AM Schmitz, N Schuster, TR Seele, J Seger, J Selyuzhenkov, I Seyboth, P Shahaliev, E Shao, M Sharma, M Shi, SS Sichtermann, EP Simon, F Singaraju, RN Skoby, MJ Smirnov, N Sorensen, P Spinka, HM Srivastava, B Stanislaus, TDS Staszak, D Stevens, JR Stock, R Strikhanov, M Stringfellow, B Suaide, AAP Suarez, MC Subba, NL Sumbera, M Sun, XM Sun, Y Sun, Z Surrow, B Svirida, DN Symons, TJM de Toledo, AS Takahashi, J Tang, AH Tang, Z Tarini, LH Tarnowsky, T Thein, D Thomas, JH Tian, J Timmins, AR Timoshenko, S Tlusty, D Tokarev, M Trainor, TA Tram, VN Trentalange, S Tribble, RE Tsai, OD Ullrich, T Underwood, DG Van Buren, G van Leeuwen, M van Nieuwenhuizen, G Vanfossen, JA Varma, R Vasconcelos, GMS Vasiliev, AN Videbk, F Viyogi, YP Vokal, S Voloshin, SA Wada, M Walker, M Wang, F Wang, G Wang, H Wang, JS Wang, Q Wang, XL Wang, Y Webb, G Webb, JC Westfall, GD Whitten, C Wieman, H Wissink, SW Witt, R Wu, YF Xie, W Xu, H Xu, N Xu, QH Xu, W Xu, Y Xu, Z Xue, L Yang, Y Yepes, P Yip, K Yoo, IK Yue, Q Zawisza, M Zbroszczyk, H Zhan, W Zhang, JB Zhang, S Zhang, WM Zhang, XP Zhang, Y Zhang, ZP Zhao, J Zhong, C Zhou, W Zhu, X Zhu, YH Zoulkarneev, R Zoulkarneeva, Y
Abstract:	We report the first measurement of the parity-violating single-spin asymmetries for midrapidity decay positrons and electrons from W+ and W- boson production in longitudinally polarized proton-proton collisions at root s = 500 GeV by the STAR experiment at RHIC. The measured asymmetries, A(L)(W+) = -0.27 +/- 0.10(stat.) +/- 0.02(syst.) +/- 0.03(norm.) and A(L)(W-) = 0.14 +/- 0.19(stat.) +/- 0.02(syst.) +/- 0.01(norm.), are consistent with theory predictions, which are large and of opposite sign. These predictions are based on polarized quark and antiquark distribution functions constrained by polarized deep-inelastic scattering measurements.
Country:	EUA
Editor:	Amer Physical Soc
Rights:	aberto
Identifier DOI:	10.1103/PhysRevLett.106.062002
Date Issue:	2011
Appears in Collections:	Artigos e Materiais de Revistas Científicas - Unicamp

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