Cross Section and Parity-Violating Spin Asymmetries of W-+/- Boson Production in Polarized p plus p Collisions at root s=500 Gev

  • Adare, A.
  • Afanasiev, S.
  • Aidala, C.
  • Ajitanand, N. N.
  • Akiba, Y.
  • ... Kim, Yong Kyun
  • 외 380명
Citations

WEB OF SCIENCE

67
Citations

SCOPUS

78

초록

Large parity-violating longitudinal single-spin asymmetries A(L)(e+) = 0.86(-0.14)(+0.30) and Ae(L)(e-) = 0.88(-0.71)(+0.12) are observed for inclusive high transverse momentum electrons and positrons in polarized p + p collisions at a center-of-mass energy of root s = 500 GeV with the PHENIX detector at RHIC. These e(+/-) come mainly from the decay of W-+/- and Z(0) bosons, and their asymmetries directly demonstrate parity violation in the couplings of the W-+/- to the light quarks. The observed electron and positron yields were used to estimate W-+/- boson production cross sections for the e(+/-) channels of sigma(pp -> W+X) X BR(W+ -> e(+) nu(e)) = 144.1 +/- 21.2(stat)(-10.3)(+3.4)(syst) +/- 21.6(norm) pb, and sigma(pp -> W-X) X BR(W- -> e(-) (nu) over bar (e)) = 3.17 +/- 12.1(stat)(-8.2)(+10.1)(syst) +/- 4.8(norm) pb.

키워드

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제목
Cross Section and Parity-Violating Spin Asymmetries of W-+/- Boson Production in Polarized p plus p Collisions at root s=500 Gev
저자
Adare, A.Afanasiev, S.Aidala, C.Ajitanand, N. N.Akiba, Y.Akimoto, R.Alexander, J.Al-Ta'ani, H.Andrews, K. R.Angerami, A.Aoki, K.Apadula, N.Appelt, E.Aramaki, Y.Armendariz, R.Aschenauer, E. C.Awes, T. C.Azmoun, B.Babintsev, V.Bai, M.Bannier, B.Barish, K. N.Bassalleck, B.Basye, A. T.Bathe, S.Baublis, V.Baumann, C.Bazilevsky, A.Belmont, R.Ben-Benjamin, J.Bennett, R.Berdnikov, A.Berdnikov, Y.Blau, D. S.Bok, J. S.Boyle, K.Brooks, M. L.Broxmeyer, D.Buesching, H.Bumazhnov, V.Bunce, G.Butsyk, S.Campbell, S.Caringi, A.Castera, P.Chen, C. -H.Chi, C. Y.Chiu, M.Choi, I. J.Choi, J. B.Choudhury, R. K.Christiansen, P.Chujo, T.Chvala, O.Cianciolo, V.Citron, Z.Cole, B. A.del Valle, Z. ConesaConnors, M.Csanad, M.Csoergo, T.Dairaku, S.Datta, A.David, G.Dayananda, M. K.Denisov, A.Deshpande, A.Desmond, E. J.Dharmawardane, K. V.Dietzsch, O.Dion, A.Donadelli, M.D'Orazio, L.Drapier, O.Drees, A.Drees, K. A.Durham, J. M.Durum, A.Efremenko, Y. V.Engelmore, T.Enokizono, A.En'yo, H.Esumi, S.Fadem, B.Fields, D. E.Finger, M, Jr.Finger, M.Fleuret, F.Fokin, S. L.Frantz, J. E.Franz, A.Frawley, A. D.Fukao, Y.Fusayasu, T.Garishvili, I.Glenn, A.Gong, X.Gonin, M.Goto, Y.de Cassagnac, R. GranierGrau, N.Greene, S. V.Perdekamp, M. GrosseGunji, T.Guo, L.Gustafsson, H-AHaggerty, J. S.Hahn, K. I.Hamagaki, H.Hamblen, J.Hanks, J.Han, R.Harper, C.Hashimoto, K.Haslum, E.Hayano, R.Hemmick, T. K.Hester, T.He, X.Hill, J. C.Hollis, R. S.Holzmann, W.Homma, K.Hong, B.Horaguchi, T.Hori, Y.Hornback, D.Huang, S.Ichihara, T.Ichimiya, R.Iinuma, H.Ikeda, Y.Imai, K.Inaba, M.Iordanova, A.Isenhower, D.Ishihara, M.Issah, M.Isupov, A.Ivanischev, D.Iwanaga, Y.Jacak, B. V.Jia, J.Jiang, X.Johnson, B. M.Jones, T.Joo, K. S.Jouan, D.Kamin, J.Kaneti, S.Kang, B. H.Kang, J. H.Kang, J. S.Kapustinsky, J.Karatsu, K.Kasai, M.Kawall, D.Kazantsev, A. V.Kempel, T.Khanzadeev, A.Kijima, K. M.Kim, B. I.Kim, D. J.Kim, E. J.Kim, Y. -J.Kim, Yong KyunKinney, E.Kiss, A.Kistenev, E.Kleinjan, D.Kline, P.Kochenda, L.Komkov, B.Konno, M.Koster, J.Kotov, D.Kral, A.Kunde, G. J.Kurita, K.Kurosawa, M.Kwon, Y.Kyle, G. S.Lacey, R.Lai, Y. S.Lajoie, J. G.Lebedev, A.Lee, D. M.Lee, J.Lee, K. B.Lee, K. S.Lee, S. H.Lee, S. R.Leitch, M. J.Leite, M. A. L.Lichtenwalner, P.Lim, S. H.Levy, L. A. LindenLitvinenko, A.Liu, H.Liu, M. X.Li, X.Love, B.Lynch, D.Maguire, C. F.Makdisi, Y. I.Malakhov, A.Manion, A.Manko, V. I.Mannel, E.Mao, Y.Masui, H.McCumber, M.McGaughey, P. L.McGlinchey, D.McKinney, C.Means, N.Mendoza, M.Meredith, B.Miake, Y.Mibe, T.Mignerey, A. C.Miki, K.Milov, A.Mitchell, J. T.Miyachi, Y.Mohanty, A. K.Moon, H. J.Morino, Y.Morreale, A.Morrison, D. P.Motschwiller, S.Moukhanova, T. V.Murakami, T.Murata, J.Nagamiya, S.Nagle, J. L.Naglis, M.Nagy, M. I.Nakagawa, I.Nakamiya, Y.Nakamura, K. R.Nakamura, T.Nakano, K.Newby, J.Nguyen, M.Nihashi, M.Nouicer, R.Nyanin, A. S.Oakley, C.O'Brien, E.Ogilvie, C. A.Okada, K.Oka, M.Oskarsson, A.Ouchida, M.Ozawa, K.Pak, R.Pantuev, V.Papavassiliou, V.Park, B. H.Park, I. H.Park, S. K.Pate, S. F.Pei, H.Peng, J. -C.Pereira, H.Peresedov, V.Peressounko, D. Yu.Petti, R.Pinkenburg, C.Pisani, R. P.Proissl, M.Purschke, M. L.Qu, H.Rak, J.Ravinovich, I.Read, K. F.Reygers, K.Riabov, V.Riabov, Y.Richardson, E.Roach, D.Roche, G.Rolnick, S. D.Rosati, M.Rosendahl, S. S. E.Rukoyatkin, P.Sahlmueller, B.Saito, N.Sakaguchi, T.Samsonov, V.Sano, S.Sarsour, M.Sato, T.Savastio, M.Sawada, S.Sedgwick, K.Seidl, R.Seto, R.Sharma, D.Shein, I.Shibata, T. -A.Shigaki, K.Shim, H. H.Shimomura, M.Shoji, K.Shukla, P.Sickles, A.Silva, C. L.Silvermyr, D.Silvestre, C.Sim, K. S.Singh, B. K.Singh, C. P.Singh, V.Slunecka, M.Sodre, T.Soltz, R. A.Sondheim, W. E.Sorensen, S. P.Sourikova, I. V.Stankus, P. W.Stenlund, E.Stoll, S. P.Sugitate, T.Sukhanov, A.Sun, J.Sziklai, J.Takagui, E. M.Takahara, A.Taketani, A.Tanabe, R.Tanaka, Y.Taneja, S.Tanida, K.Tannenbaum, M. J.Tarafdar, S.Taranenko, A.Tennant, E.Themann, H.Thomas, D.Togawa, M.Tomasek, L.Tomasek, M.Torii, H.Towell, R. S.Tserruya, I.Tsuchimoto, Y.Utsunomiya, K.Vale, C.van Hecke, H. W.Vazquez-Zambrano, E.Veicht, A.Velkovska, J.Vertesi, R.Virius, M.Vossen, A.Vrba, V.Vznuzdaev, E.Wang, X. R.Watanabe, D.Watanabe, K.Watanabe, Y.Watanabe, Y. S.Wei, F.Wei, R.Wessels, J.White, S. N.Winter, D.Woody, C. L.Wright, R. M.Wysocki, M.Yamaguchi, Y. L.Yang, R.Yanovich, A.Ying, J.Yokkaichi, S.Yoo, J. S.Young, G. R.Younus, I.You, Z.Yushmanov, I. E.Zajc, W. A.Zelenski, A.Zhou, S.Zolin, L.
DOI
10.1103/PhysRevLett.106.062001
발행일
2011-02
유형
Article
저널명
Physical Review Letters
106
6
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