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Measurement of Bottom Versus Charm as a Function of Transverse Momentum with Electron-Hadron Correlations in p plus p Collisions at s=200 GeV

Authors
Adare, A.Afanasiev, S.Aidala, C.Ajitanand, N. N.Akiba, Y.Al-Bataineh, H.Alexander, J.Aoki, K.Aphecetche, L.Armendariz, R.Aronson, S. H.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.Chiba, J.Chi, C. Y.Chiu, M.Choi, I. J.Choudhury, R. K.Chujo, T.Chung, P.Churyn, A.Cianciolo, V.Citron, Z.Cleven, C. R.Cole, B. A.Comets, M. P.Constantin, P.Csanad, M.Csorgo, T.Dahms, T.Dairaku, S.Das, K.David, G.Deaton, M. B.Dehmelt, K.Delagrange, H.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.Egdemir, J.Ellinghaus, F.Emam, W. S.Engelmore, T.Enokizono, A.En'yo, H.Esumi, S.Eyser, K. O.Fadem, B.Fields, D. E.Finger, M., Jr.Finger, M.Fleuret, F.Fokin, S. L.Fraenkel, Z.Frantz, J. E.Franz, A.Frawley, A. D.Fujiwara, K.Fukao, Y.Fusayasu, T.Gadrat, S.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.Hachiya, T.Henni, A. HadjHaegemann, C.Haggerty, J. S.Hamagaki, H.Han, R.Harada, H.Hartouni, E. P.Haruna, K.Haslum, E.Hayano, R.Heffner, M.Hemmick, T. K.Hester, T.He, X.Hiejima, H.Hill, J. C.Hobbs, R.Hohlmann, M.Holzmann, W.Homma, K.Hong, B.Horaguchi, T.Hornback, D.Huang, S.Ichihara, T.Ichimiya, R.Ikeda, Y.Imai, K.Imrek, J.Inaba, M.Inoue, Y.Isenhower, D.Isenhower, L.Ishihara, M.Isobe, T.Issah, M.Isupov, A.Ivanischev, D.Jacak, B. V.Jia, J.Jin, J.Jinnouchi, O.Johnson, B. M.Joo, K. S.Jouan, D.Kajihara, F.Kametani, S.Kamihara, N.Kamin, J.Kaneta, M.Kang, J. H.Kanou, 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.Kiyomichi, A.Klay, J.Klein-Boesing, C.Kochenda, L.Kochetkov, V.Komkov, B.Konno, M.Koster, J.Kotchetkov, D.Kozlov, A.Kral, A.Kravitz, A.Kubart, J.Kunde, G. J.Kurihara, N.Kurita, K.Kurosawa, M.Kweon, M. J.Kwon, Y.Kyle, G. S.Lacey, R.Lai, Y.-S.Lai, Y. S.Lajoie, J. G.Layton, D.Lebedev, A.Lee, D. M.Lee, K. B.Lee, M. K.Lee, T.Leitch, M. J.Leite, M. A. L.Lenzi, B.Liebing, P.Liska, T.Litvinenko, A.Liu, H.Liu, M. X.Li, 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.Miller, T. E.Milov, A.Mioduszewski, S.Mishra, M.Mitchell, J. T.Mitrovski, M.Mohanty, A. K.Morino, Y.Morreale, A.Morrison, D. P.Moukhanova, T. V.Mukhopadhyay, D.Murata, J.Nagamiya, S.Nagata, Y.Nagle, J. L.Naglis, M.Nagy, M. I.Nakagawa, I.Nakamiya, Y.Nakamura, T.Nakano, K.Newby, J.Nguyen, M.Niita, T.Norman, B. E.Nouicer, R.Nyanin, A. S.O'Brien, E.Oda, S. X.Ogilvie, C. A.Ohnishi, H.Okada, H.Okada, K.Oka, M.Omiwade, O. O.Onuki, Y.Oskarsson, A.Ouchida, M.Ozawa, K.Pak, R.Pal, D.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.Reuter, M.Reygers, K.Riabov, V.Riabov, Y.Roach, D.Roche, G.Rolnick, S. D.Romana, A.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.Sakata, H.Samsonov, V.Sato, S.Sato, T.Sawada, S.Sedgwick, K.Seele, J.Seidl, R.Semenov, A. Yu.Semenov, V.Seto, R.Sharma, D.Shein, I.Shevel, A.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.Skutnik, S.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.Tabaru, T.Takagi, S.Takagui, E. M.Taketani, A.Tanabe, R.Tanaka, Y.Tanida, K.Tannenbaum, M. J.Taranenko, A.Tarjan, P.Themann, H.Thomas, T. L.Togawa, M.Toia, A.Tojo, J.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.Wagner, M.Walker, D.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.Yasin, Z.Ying, J.Yokkaichi, S.Young, G. R.Younus, I.Yushmanov, I. E.Zajc, W. A.Zaudtke, O.Zhang, C.Zhou, S.Zimanyi, J.Zolin, L.
Issue Date
21-8월-2009
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW LETTERS, v.103, no.8
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW LETTERS
Volume
103
Number
8
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/119481
DOI
10.1103/PhysRevLett.103.082002
ISSN
0031-9007
Abstract
The momentum distribution of electrons from semileptonic decays of charm and bottom quarks for midrapidity |y|< 0.35 in p+p collisions at s=200 GeV is measured by the PHENIX experiment at the Relativistic Heavy Ion Collider over the transverse momentum range 2 < p(T)< 7 GeV/c. The ratio of the yield of electrons from bottom to that from charm is presented. The ratio is determined using partial D/D -> e(+/-)K(-/+)X (K unidentified) reconstruction. It is found that the yield of electrons from bottom becomes significant above 4 GeV/c in p(T). A fixed-order-plus-next-to-leading-log perturbative quantum chromodynamics calculation agrees with the data within the theoretical and experimental uncertainties. The extracted total bottom production cross section at this energy is sigma(bb)=3.2(-1.1)(+1.2)(stat)(-1.3)(+1.4)(syst)mu b.
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