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Measurements of e(+)e(-) pairs from open heavy flavor in p plus p and d plus A collisions at root S-NN=200 GeV

Authors
Adare, A.Afanasiev, S.Aidala, C.Ajitanand, N. N.Akiba, Y.Al-Bataineh, H.Alexander, J.Alfred, M.Aoki, K.Apadula, N.Aphecetche, L.Asai, J.Atomssa, E. T.Averbeck, R.Awes, T. C.Ayuso, C.Azmoun, B.Babintsev, V.Bagoly, A.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.Belmont, R.Bennett, R.Berdnikov, A.Berdnikov, Y.Bickley, A. A.Blau, D. S.Boer, M.Boissevain, J. G.Bok, J. S.Borel, H.Boyle, K.Brooks, M. L.Bryslawskyj, J.Buesching, H.Bumazhnov, V.Bunce, G.Butler, C.Butsyk, S.Camacho, C. M.Campbell, S.Roman, V. CanoaChang, 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.Connors, M.Constantin, P.Csanad, M.Csorgo, T.Dahms, T.Dairaku, S.Danley, T. W.Das, K.David, G.DeBlasio, K.Dehmelt, K.Denisov, A.d'Enterria, D.Deshpande, A.Desmond, E. J.Dietzsch, O.Dion, A.Do, J. H.Donadelli, M.Drapier, O.Drees, A.Drees, K. A.Dubey, A. K.Dumancic, M.Durham, J. M.Durum, A.Dutta, D.Dzhordzhadze, V.Efremenko, Y. V.Elder, T.Ellinghaus, F.Engelmore, T.Enokizono, A.En'yo, H.Esumi, S.Eyser, K. O.Fadem, B.Fan, W.Feege, N.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.Fukuda, Y.Fusayasu, T.Gal, C.Garishvili, I.Ge, H.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. HadjHaggerty, J. S.Hahn, K. I.Hamagaki, H.Han, R.Han, S. Y.Hartouni, E. P.Haruna, K.Hasegawa, S.Haseler, T. O. S.Haslum, E.Hayano, R.He, X.Heffner, M.Hemmick, T. K.Hester, T.Hill, J. C.Hill, K.Hohlmann, M.Holzmann, W.Homma, K.Hong, B.Horaguchi, T.Hornback, D.Hoshino, T.Hotvedt, N.Huang, J.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.Ito, Y.Ivanishchev, D.Jacak, B. V.Ji, Z.Jia, J.Jin, J.Johnson, B. M.Joo, K. S.Jorjadze, V.Jouan, D.Jumper, D. S.Kajihara, F.Kametani, S.Kamihara, N.Kamin, J.Kang, J. H.Kapukchyan, D.Kapustinsky, J.Karthas, S.Kawall, D.Kazantsev, A. V.Kempel, T.Khachatryan, V.Khanzadeev, A.Kijima, K. M.Kikuchi, J.Kim, B. I.Kim, C.Kim, D. H.Kim, D. J.Kim, E.Kim, E. -J.Kim, M.Kim, M. H.Kim, S. H.Kincses, D.Kinney, E.Kiriluk, K.Kiss, A.Kistenev, E.Klay, J.Klein-Boesing, C.Koblesky, T.Kochenda, L.Komkov, B.Konno, M.Koster, J.Kotov, D.Kozlov, A.Kral, A.Kravitz, A.Kudo, S.Kunde, G. J.Kurita, K.Kurosawa, M.Kweon, M. J.Kwon, Y.Kyle, G. S.Lacey, R.Lai, Y. S.Lajoie, J. G.Lallow, E. O.Layton, D.Lebedev, A.Lee, D. M.Lee, K. B.Lee, T.Leitch, M. J.Leite, M. A. L.Lenzi, B.Leung, Y. H.Lewis, N. A.Li, X.Li, X.Liebing, P.Lim, S. H.Liska, T.Litvinenko, A.Liu, H.Liu, L. D.Liu, M. X.Loggins, V. -R.Lokos, S.Love, B.Lynch, D.Maguire, C. F.Majoros, T.Makdisi, Y. I.Makek, M.Malakhov, A.Malik, M. D.Manko, V. I.Mannel, E.Mao, Y.Masek, L.Masui, H.Matathias, F.McCumber, M.McGaughey, P. L.McGlinchey, D.Means, N.Meredith, B.Miake, Y.Mignerey, A. C.Mihalik, D. E.Mikes, P.Miki, K.Milov, A.Mishra, M.Mitchell, J. T.Mitsuka, G.Mohanty, A. K.Moon, T.Morino, Y.Morreale, A.Morrison, D. P.Morrow, S. I. M.Moukhanova, T. V.Mukhopadhyay, D.Murakami, T.Murata, J.Nagai, K.Nagamiya, S.Nagashima, K.Nagashima, T.Nagle, J. L.Naglis, M.Nagy, M. I.Nakagawa, I.Nakagomi, H.Nakamiya, Y.Nakamura, T.Nakano, K.Nattrass, C.Newby, J.Nguyen, M.Niida, T.Nouicer, R.Novak, T.Novitzky, N.Novotny, R.Nyanin, A. S.O'Brien, E.Oda, S. X.Ogilvie, C. A.Oka, M.Okada, K.Onuki, Y.Koop, J. D. OrjuelaOsborn, J. D.Oskarsson, A.Ouchida, M.Ozawa, K.Pak, R.Palounek, A. P. T.Pantuev, V.Papavassiliou, V.Park, J.Park, J. S.Park, S.Park, W. J.Pate, S. F.Patel, M.Pei, H.Peng, J. -C.Peng, W.Pereira, H.Perepelitsa, D. V.Perera, G. D. N.Peresedov, V.Peressounko, D. Yu.PerezLara, C. E.Petti, R.Phipps, M.Pinkenburg, C.Pun, A.Purschke, M. L.Purwar, A. K.Qu, H.Radzevich, P. V.Rak, J.Rakotozafindrabe, A.Ravinovich, I.Read, K. F.Rembeczki, S.Reygers, K.Riabov, V.Riabov, Y.Richford, D.Rinn, T.Roach, D.Roche, G.Rolnick, S. D.Rosati, M.Rosendahl, S. S. E.Rosnet, P.Rowan, Z.Rukoyatkin, P.Runchey, J.Ruzicka, P.Rykov, V. L.Sahlmueller, B.Saito, N.Sakaguchi, T.Sakai, S.Sakashita, K.Sako, H.Samsonov, V.Sarsour, M.Sato, K.Sato, S.Sato, T.Sawada, S.Schaefer, B.Schmoll, B. K.Schmoll, B. K.Sedgwick, K.Seele, J.Seidl, R.Semenov, A. Yu.Semenov, V.Sen, A.Seto, R.Sexton, A.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.Skoby, M. J.Slunecka, M.Smith, K. L.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.Syed, S.Sziklai, J.Takagui, E. M.Taketani, A.Tanabe, R.Tanaka, Y.Tanida, K.Tannenbaum, M. J.Tarafdar, S.Taranenko, A.Tarjan, P.Tarnai, G.Themann, H.Thomas, T. L.Tieulent, R.Timilsina, A.Togawa, M.Toia, A.Tomasek, L.Tomasek, M.Tomita, Y.Torii, H.Towell, C. L.Towell, R. S.Tram, V-N.Tserruya, I.Tsuchimoto, Y.Ueda, Y.Ujvari, B.Vale, C.Valle, H.van Hecke, H. W.Vazquez-Carson, S.Veicht, A.Velkovska, J.Vertesi, R.Vinogradov, A. A.Virius, M.Vrba, V.Vznuzdaev, E.Wang, X. R.Wang, Z.Watanabe, Y.Wei, F.WesselsWhite, S. N.Winter, D.Wong, C. P.Woody, C. L.Wysocki, M.Xie, W.Xu, C.Xu, Q.Yamaguchi, Y. L.Yamaura, K.Yang, R.Yanovich, A.Yin, P.Ying, J.Yokkaichi, S.Yoo, J. H.Yoon, I.Young, G. R.Younus, I.Yu, H.Yushmanov, I. E.Zajc, W. A.Zaudtke, O.Zhang, C.Zharko, S.Zhou, S.Zolin, L.Zou, L.
Issue Date
18-8월-2017
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW C, v.96, no.2
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW C
Volume
96
Number
2
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/82541
DOI
10.1103/PhysRevC.96.024907
ISSN
2469-9985
Abstract
We report a measurement of e(+)e(-) pairs from semileptonic heavy-flavor decays in p + p collisions at root S-NN = 200 GeV. The e(+)e(-) pair yield from b (b) over bar and c (c) over bar is separated by exploiting a double differential fit done simultaneously in dielectron invariant mass and p(T). We used three different event generators, PYTHIA, MC@NLO, and POWHEG, to simulate the e(+)e(-) spectra from c (c) over bar and b (b) over bar production. The data can be well described by all three generators within the detector acceptance. However, when using the generators to extrapolate to 4 pi, significant differences are observed for the total cross section. These difference are less pronounced for b (b) over bar than for c (c) over bar. The same model dependence was observed in already published d + A data. The p + p data are also directly compared with d + A data in mass and p(T), and within the statistical accuracy no nuclear modification is seen.
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