Cross sections and double-helicity asymmetries of midrapidity inclusive charged hadrons in p plus p collisions at root s = 62.4 GeV

  • Adare, A.
  • Afanasiev, S.
  • Aidala, C.
  • Ajitanand, N. N.
  • Akiba, Y.
  • ... Hong, B.
  • 외 379명
Citations

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6
Citations

SCOPUS

10

초록

Unpolarized cross sections and double-helicity asymmetries of single-inclusive positive and negative charged hadrons at midrapidity from p + p collisions at root s = 62.4 GeV are presented. The PHENIX measurement of the cross sections for 1.0 < p(T) < 4.5 GeV/c are consistent with perturbative QCD calculations at next-to-leading order in the strong-coupling constant, alpha(s). Resummed pQCD calculations including terms with next-to-leading-log accuracy, yielding reduced theoretical uncertainties, also agree with the data. The double-helicity asymmetry, sensitive at leading order to the gluon polarization in a momentum-fraction range of 0.05 less than or similar to x(gluon) less than or similar to 0.2, is consistent with recent global parametrizations disfavoring large gluon polarization.

키워드

DEEP-INELASTIC SCATTERINGPROTON-PROTON COLLISIONSHIGH TRANSVERSE-MOMENTUMSPIN STRUCTUREPOLARIZED HE-3MUON-PROTONQ(2)-DEPENDENCEDISTRIBUTIONSREGION
제목
Cross sections and double-helicity asymmetries of midrapidity inclusive charged hadrons in p plus p collisions at root s = 62.4 GeV
저자
Adare, A.Afanasiev, S.Aidala, C.Ajitanand, N. N.Akiba, Y.Al-Bataineh, H.Alexander, J.Aoki, K.Aphecetche, L.Asai, J.Atomssa, E. T.Averbeck, R.Awes, T. C.Azmoun, B.Babintsev, V.Bai, M.Baksay, G.Baksay, L.Baldisseri, A.Barish, K. N.Barnes, P. D.Bassalleck, B.Basye, A. T.Bathe, S.Batsouli, S.Baublis, V.Baumann, C.Bazilevsky, A.Belikov, S.Bennett, R.Berdnikov, A.Berdnikov, Y.Bickley, A. A.Boissevain, J. G.Borel, H.Boyle, K.Brooks, M. L.Buesching, H.Bumazhnov, V.Bunce, G.Butsyk, S.Camacho, C. M.Campbell, S.Chang, B. S.Chang, W. C.Charvet, J. -L.Chernichenko, S.Chi, C. Y.Chiu, M.Choi, I. J.Choudhury, R. K.Chujo, T.Chung, P.Churyn, A.Cianciolo, V.Citron, Z.Cole, B. A.Constantin, P.Csanad, M.Csoergo, T.Dahms, T.Dairaku, S.Das, K.Datta, A.David, G.Denisov, A.d'Enterria, D.Deshpande, A.Desmond, E. J.Dietzsch, O.Dion, A.Donadelli, M.Drapier, O.Drees, A.Drees, K. A.Dubey, A. K.Durum, A.Dutta, D.Dzhordzhadze, V.Efremenko, Y. V.Ellinghaus, F.Engelmore, T.Enokizono, A.En'yo, H.Esumi, S.Eyser, K. O.Fadem, B.Fields, D. E.Finger, M.Finger, M., Jr.Fleuret, F.Fokin, S. L.Fraenkel, Z.Frantz, J. E.Franz, A.Frawley, A. D.Fujiwara, K.Fukao, Y.Fusayasu, T.Garishvili, I.Glenn, A.Gong, H.Gonin, M.Gosset, J.Goto, Y.de Cassagnac, R. GranierGrau, N.Greene, S. V.Perdekamp, M. GrosseGunji, T.Gustafsson, H. -A.Henni, A. HadjHaggerty, J. S.Hamagaki, H.Han, R.Hartouni, E. P.Haruna, K.Haslum, E.Hayano, R.He, X.Heffner, M.Hemmick, T. K.Hester, T.Hill, J. C.Hohlmann, M.Holzmann, W.Homma, K.Hong, B.Horaguchi, T.Hornback, D.Huang, S.Ichihara, T.Ichimiya, R.Iinuma, H.Ikeda, Y.Imai, K.Imrek, J.Inaba, M.Isenhower, D.Ishihara, M.Isobe, T.Issah, M.Isupov, A.Ivanischev, D.Jacak, B. V.Jia, J.Jin, J.Johnson, B. M.Joo, K. S.Jouan, D.Kajihara, F.Kametani, S.Kamihara, N.Kamin, J.Kang, J. H.Kapustinsky, J.Kawall, D.Kazantsev, A. V.Kempel, T.Khanzadeev, A.Kijima, K. M.Kikuchi, J.Kim, B. I.Kim, D. H.Kim, D. J.Kim, E.Kim, S. H.Kinney, E.Kiriluk, K.Kiss, A.Kistenev, E.Klay, J.Klein-Boesing, C.Kochenda, L.Komkov, B.Konno, M.Koster, J.Kozlov, A.Kral, A.Kravitz, A.Kunde, G. J.Kurita, K.Kurosawa, M.Kweon, M. J.Kwon, Y.Kyle, G. S.Lacey, R.Lai, Y. S.Lajoie, J. G.Layton, D.Lebedev, A.Lee, D. M.Lee, K. B.Lee, T.Leitch, M. J.Leite, M. A. L.Lenzi, B.Li, X.Liebing, P.Liska, T.Litvinenko, A.Liu, H.Liu, M. X.Love, B.Lynch, D.Maguire, C. F.Makdisi, Y. I.Malakhov, A.Malik, M. D.Manko, V. I.Mannel, E.Mao, Y.Masek, L.Masui, H.Matathias, F.McCumber, M.McGaughey, P. L.Means, N.Meredith, B.Miake, Y.Mikes, P.Miki, K.Milov, A.Mishra, M.Mitchell, J. T.Mohanty, A. K.Morino, Y.Morreale, A.Morrison, D. P.Moukhanova, T. V.Mukhopadhyay, D.Murata, J.Nagamiya, S.Nagle, J. L.Naglis, M.Nagy, M. I.Nakagawa, I.Nakamiya, Y.Nakamura, T.Nakano, K.Newby, J.Nguyen, M.Niita, T.Nouicer, R.Nyanin, A. S.O'Brien, E.Oda, S. X.Ogilvie, C. A.Oka, M.Okada, K.Onuki, Y.Oskarsson, A.Ouchida, M.Ozawa, K.Pak, R.Palounek, A. P. T.Pantuev, V.Papavassiliou, V.Park, J.Park, W. J.Pate, S. F.Pei, H.Peng, J. -C.Pereira, H.Peresedov, V.Peressounko, D. Yu.Pinkenburg, C.Purschke, M. L.Purwar, A. K.Qu, H.Rak, J.Rakotozafindrabe, A.Ravinovich, I.Read, K. F.Rembeczki, S.Reygers, K.Riabov, V.Riabov, Y.Roach, D.Roche, G.Rolnick, S. D.Rosati, M.Rosendahl, S. S. E.Rosnet, P.Rukoyatkin, P.Ruzicka, P.Rykov, V. L.Sahlmueller, B.Saito, N.Sakaguchi, T.Sakai, S.Sakashita, K.Samsonov, V.Sato, T.Sawada, S.Sedgwick, K.Seele, J.Seidl, R.Semenov, A. Yu.Semenov, V.Seto, R.Sharma, D.Shein, I.Shibata, T. -A.Shigaki, K.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.Soldatov, A.Soltz, R. A.Sondheim, W. E.Sorensen, S. P.Sourikova, I. V.Staley, F.Stankus, P. W.Stenlund, E.Stepanov, M.Ster, A.Stoll, S. P.Sugitate, T.Suire, C.Sukhanov, A.Sziklai, J.Takagui, E. M.Taketani, A.Tanabe, R.Tanaka, Y.Taneja, S.Tanida, K.Tannenbaum, M. J.Taranenko, A.Tarjan, P.Themann, H.Thomas, T. L.Togawa, M.Toia, A.Tomasek, L.Tomita, Y.Torii, H.Towell, R. S.Tram, V-N.Tserruya, I.Tsuchimoto, Y.Vale, C.Valle, H.van Hecke, H. W.Veicht, A.Velkovska, J.Vertesi, R.Vinogradov, A. A.Virius, M.Vrba, V.Vznuzdaev, E.Wang, X. R.Watanabe, Y.Wei, F.Wessels, J.White, S. N.Winter, D.Woody, C. L.Wysocki, M.Xie, W.Yamaguchi, Y. L.Yamaura, K.Yang, R.Yanovich, A.Ying, J.Yokkaichi, S.Young, G. R.Younus, I.Yushmanov, I. E.Zajc, W. A.Zaudtke, O.Zhang, C.Zhou, S.Zolin, L.
DOI
10.1103/PhysRevD.86.092006
발행일
2012-11-08
유형
Article
저널명
Physical Review D - Particles, Fields, Gravitation and Cosmology
86
9