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Transverse-energy distributions at midrapidity in p plus p, d plus Au, and Au plus Au collisions at root s(NN)=62.4-200 GeV and implications for particle-production models

Authors
Adler, S. S.Afanasiev, S.Aidala, C.Ajitanand, N. N.Akiba, Y.Al-Jamel, A.Alexander, J.Aoki, K.Aphecetche, L.Armendariz, R.Aronson, S. H.Averbeck, R.Awes, T. C.Azmoun, B.Babintsev, V.Baldisseri, A.Barish, K. N.Barnes, P. D.Bassalleck, B.Bathe, S.Batsouli, S.Baublis, V.Bauer, F.Bazilevsky, A.Belikov, S.Bennett, R.Berdnikov, Y.Bjorndal, M. T.Boissevain, J. G.Borel, H.Boyle, K.Brooks, M. L.Brown, D. S.Bruner, N.Bucher, D.Buesching, H.Bumazhnov, V.Bunce, G.Burward-Hoy, J. M.Butsyk, S.Camard, X.Campbell, S.Chai, J. -S.Chand, P.Chang, W. C.Chernichenko, S.Chi, C. Y.Chiba, J.Chiu, M.Choi, I. J.Choudhury, R. K.Chujo, T.Cianciolo, V.Cleven, C. R.Cobigo, Y.Cole, B. A.Comets, M. P.Constantin, P.Csanad, M.Csoergo, T.Cussonneau, J. P.Dahms, T.Das, K.David, G.Deak, F.Delagrange, H.Denisov, A.d'Enterria, D.Deshpande, A.Desmond, J.Devismes, A.Dietzsch, O.Dion, A.Drachenberg, J. L.Drapier, O.Drees, A.Dubey, A. K.Durum, A.Dutta, D.Dzhordzhadze, V.Efremenko, Y. V.Egdemir, J.Enokizono, A.En'yo, H.Espagnon, B.Esumi, S.Fields, D. E.Finck, C.Fleuret, F.Fokin, S. L.Forestier, B.Fox, B. D.Fraenkel, Z.Frantz, J. E.Franz, A.Frawley, A. D.Fukao, Y.Fung, S. -Y.Gadrat, S.Gastineau, F.Germain, M.Glenn, A.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.Hagiwara, M. N.Hamagaki, H.Hansen, A. G.Harada, H.Hartouni, E. P.Haruna, K.Harvey, M.Haslum, E.Hasuko, K.Hayano, R.He, X.Heffner, M.Hemmick, T. K.Heuser, J. M.Hidas, P.Hiejima, H.Hill, J. C.Hobbs, R.Holmes, M.Holzmann, W.Homma, K.Hong, B.Hoover, A.Horaguchi, T.Hur, M. G.Ichihara, T.Iinuma, H.Ikonnikov, V. V.Imai, K.Inaba, M.Inuzuka, M.Isenhower, D.Isenhower, L.Ishihara, M.Isobe, T.Issah, M.Isupov, A.Jacak, B. V.Jia, J.Jin, J.Jinnouchi, O.Johnson, B. M.Johnson, S. C.Joo, K. S.Jouan, D.Kajihara, F.Kametani, S.Kamihara, N.Kaneta, M.Kang, J. H.Katou, K.Kawabata, T.Kawagishi, T.Kazantsev, A. V.Kelly, S.Khachaturov, B.Khanzadeev, A.Kikuchi, J.Kim, D. J.Kim, E.Kim, E. J.Kim, G. -B.Kim, H. J.Kim, Y. -S.Kinney, E.Kiss, A.Kistenev, E.Kiyomichi, A.Klein-Boesing, C.Kobayashi, H.Kochenda, L.Kochetkov, V.Kohara, R.Komkov, B.Konno, M.Kotchetkov, D.Kozlov, A.Kroon, P. J.Kuberg, C. H.Kunde, G. J.Kurihara, N.Kurita, K.Kweon, M. J.Kwon, Y.Kyle, G. S.Lacey, R.Lajoie, J. G.Lebedev, A.Le Bornec, Y.Leckey, S.Lee, D. M.Lee, M. K.Leitch, M. J.Leite, M. A. L.Li, X. H.Lim, H.Litvinenko, A.Liu, M. X.Maguire, C. F.Makdisi, Y. I.Malakhov, A.Malik, M. D.Manko, V. I.Mao, Y.Martinez, G.Masui, H.Matathias, F.Matsumoto, T.McCain, M. C.McGaughey, P. L.Miake, Y.Miller, T. E.Milov, A.Mioduszewski, S.Mishra, G. C.Mitchell, J. T.Mohanty, A. K.Morrison, D. P.Moss, J. M.Moukhanova, T. V.Mukhopadhyay, D.Muniruzzaman, M.Murata, J.Nagamiya, S.Nagata, Y.Nagle, J. L.Naglis, M.Nakamura, T.Newby, J.Nguyen, M.Norman, B. E.Nyanin, A. S.Nystrand, J.O'Brien, E.Ogilvie, C. A.Ohnishi, H.Ojha, I. D.Okada, K.Omiwade, O. O.Oskarsson, A.Otterlund, I.Oyama, K.Ozawa, K.Pal, D.Palounek, A. P. T.Pantuev, V.Papavassiliou, V.Park, J.Park, W. J.Pate, S. F.Pei, H.Penev, V.Peng, J. -C.Pereira, H.Peresedov, V.Peressounko, D. Yu.Pierson, A.Pinkenburg, C.Pisani, R. P.Purschke, M. L.Purwar, A. K.Qu, H.Qualls, J. M.Rak, J.Ravinovich, I.Read, K. F.Reuter, M.Reygers, K.Riabov, V.Riabov, Y.Roche, G.Romana, A.Rosati, M.Rosendahl, S. S. E.Rosnet, P.Rukoyatkin, P.Rykov, V. L.Ryu, S. S.Sahlmueller, B.Saito, N.Sakaguchi, T.Sakai, S.Samsonov, V.Sanfratello, L.Santo, R.Sarsour, M.Sato, H. D.Sato, S.Sawada, S.Schutz, Y.Semenov, V.Seto, R.Sharma, D.Shea, T. K.Shein, I.Shibata, T. -A.Shigaki, K.Shimomura, M.Shohjoh, T.Shoji, K.Sickles, A.Silva, C. L.Silvermyr, D.Sim, K. S.Singh, C. P.Singh, V.Skutnik, S.Smith, W. C.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.Sullivan, J. P.Sziklai, J.Tabaru, T.Takagi, S.Takagui, E. M.Taketani, A.Tanaka, K. H.Tanaka, Y.Tanida, K.Tannenbaum, M. J.Taranenko, A.Tarjan, P.Thomas, T. L.Togawa, M.Tojo, J.Torii, H.Towell, R. S.Tram, V-N.Tserruya, I.Tsuchimoto, Y.Tuli, S. K.Tydesjo, H.Tyurin, N.Uam, T. J.Vale, C.Valle, H.van Hecke, H. W.Velkovska, J.Velkovsky, M.Vertesi, R.Veszpremi, V.Vinogradov, A. A.Volkov, M. A.Vznuzdaev, E.Wagner, M.Wang, X. R.Watanabe, Y.Wessels, J.White, S. N.Willis, N.Winter, D.Wohn, K.Woody, C. L.Wysocki, M.Xie, W.Yanovich, A.Yokkaichi, S.Young, G. R.Younus, I.Yushmanov, I. E.Zajc, W. A.Zaudtke, O.Zhang, C.Zhou, S.Zimanyi, J.Zolin, L.Zong, X.
Issue Date
9-4월-2014
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW C, v.89, no.4
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW C
Volume
89
Number
4
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/98769
DOI
10.1103/PhysRevC.89.044905
ISSN
0556-2813
Abstract
Measurements of the midrapidity transverse-energy distribution, dE(T)/d eta, are presented for p + p, d+Au, and Au+Au collisions atv root s(NN) = 200 GeV and additionally for Au+Au collisions atv root s(NN) = 62.4 and 130 GeV. The dE(T)/d eta distributions are first compared with the number of nucleon participants N-part, number of binary collisions N-coll, and number of constituent-quark participants N-qp calculated from a Glauber model based on the nuclear geometry. For Au+Au, < dE(T)/d eta >/N-part increases with N-part, while < dE(T)/d eta >/N-qp is approximately constant for all three energies. This indicates that the two-component ansatz, dE(T)/d eta alpha (1 - x)N-part/2 + xN(coll), which was used to represent E-T distributions, is simply a proxy for N-qp, and that the N-coll term does not represent a hard-scattering component in E-T distributions. The dE(T)/d eta distributions of Au+Au and d+Au are then calculated from the measured p + p E-T distribution using two models that both reproduce the Au+Au data. However, while the number-of-constituent-quark-participant model agrees well with the d+Au data, the additive-quark model does not.
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