Double-spin asymmetry of electrons from heavy-flavor decays in p plus p collisions at root s=200 GeV

  • Adare, A.
  • Afanasiev, S.
  • Aidala, C.
  • Ajitanand, N. N.
  • Akiba, Y.
  • ... Kim, Yong Kyun
  • 외 379명
Citations

WEB OF SCIENCE

9
Citations

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9

초록

We report on the first measurement of the double-spin asymmetry, A(LL), of electrons from the decays of hadrons containing heavy flavor in longitudinally polarized p + p collisions at root s = 200 GeV for p(T) = 0.5 to 3.0 GeV/c. The asymmetry was measured at midrapidity (vertical bar eta vertical bar < 0.35) with the PHENIX detector at the Relativistic Heavy Ion Collider. The measured asymmetries are consistent with zero within the statistical errors. We obtained a constraint for the polarized gluon distribution in the proton of vertical bar Delta g/g(log(10)(x) = -1.6(-0.4)(+0.5), mu = m(T)(c)vertical bar(2) < 0.030 (1 sigma) based on a leading-order perturbative quantum chromodynamics model, using the measured asymmetry. DOI: 10.1103/PhysRevD.87.012011

키워드

STRUCTURE-FUNCTION G(1)(D)PHENIXPROTONELECTROPRODUCTIONSCATTERINGDEUTERONDETECTOR
제목
Double-spin asymmetry of electrons from heavy-flavor decays in p plus p collisions at root s=200 GeV
저자
Adare, A.Afanasiev, S.Aidala, C.Ajitanand, N. N.Akiba, Y.Akimoto, R.Al-Ta'ani, H.Alexander, J.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.Castera, P.Chen, C-HChi, 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.Drapier, O.Drees, A.Drees, K. A.Durham, J. M.Durum, A.D'Orazio, L.Efremenko, Y. V.Engelmore, T.Enokizono, A.En'yo, H.Esumi, S.Fadem, B.Fields, D. E.Finger, M.Finger, M., Jr.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.Han, R.Hanks, J.Harper, C.Hashimoto, K.Haslum, E.Hayano, R.He, X.Hemmick, T. K.Hester, T.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.John, D.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-JKim, Y-JKim, 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.Li, X.Lim, S. H.Levy, L. A. LindenLitvinenko, A.Liu, H.Liu, M. 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.Oka, M.Okada, K.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-CPereira, H.Peresedov, V.Peressounko, D. YuPetti, 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-AShigaki, 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.You, Z.Young, G. R.Younus, I.Yushmanov, I. E.Zajc, W. A.Zelenski, A.Zhou, S.Zolin, L.
DOI
10.1103/PhysRevD.87.012011
발행일
2013-01
유형
Article
저널명
Physical Review D - Particles, Fields, Gravitation and Cosmology
87
1
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1 ~ 17

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