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3. PHENIX Collaboration

Author

A. Adare, S. Afanasiev, C. Aidala, N.N. Ajitanand, Y. Akiba, R. Akimoto, H. Al-Bataineh, J. Alexander, M. Alfred, A. Al-Jamel, H. Al-Ta'ani, K.R. Andrews, V. Andrieux, A. Angerami, K. Aoki, N. Apadula, L. Aphecetche, E. Appelt, Y. Aramaki, R. Armendariz, S.H. Aronson, J. Asai, H. Asano, E.C. Aschenauer, E.T. Atomssa, R. Averbeck, T.C. Awes, C. Ayuso, B. Azmoun, V. Babintsev, A. Bagoly, M. Bai, X. Bai, G. Baksay, L. Baksay, A. Baldisseri, N.S. Bandara, B. Bannier, K.N. Barish, P.D. Barnes, B. Bassalleck, A.T. Basye, S. Bathe, S. Batsouli, V. Baublis, F. Bauer, C. Baumann, S. Baumgart, A. Bazilevsky, M. Beaumier, S. Beckman, S. Belikov, R. Belmont, J. Ben-Benjamin, R. Bennett, A. Berdnikov, Y. Berdnikov, J.H. Bhom, A.A. Bickley, M.T. Bjorndal, D. Black, D.S. Blau, M. Boer, J.G. Boissevain, J.S. Bok, H. Borel, K. Boyle, M.L. Brooks, D.S. Brown, D. Broxmeyer, J. Bryslawskyj, D. Bucher, H. Buesching, V. Bumazhnov, G. Bunce, J.M. Burward-Hoy, C. Butler, S. Butsyk, C.M. Camacho, S. Campbell, V. Canoa Roman, A. Caringi, P. Castera, R. Cervantes, J.-S. Chai, B.S. Chang, W.C. Chang, J.-L. Charvet, C.-H. Chen, S. Chernichenko, C.Y. Chi, J. Chiba, M. Chiu, I.J. Choi, J.B. Choi, S. Choi, R.K. Choudhury, P. Christiansen, T. Chujo, P. Chung, A. Churyn, O. Chvala, V. Cianciolo, Z. Citron, C.R. Cleven, Y. Cobigo, B.A. Cole, M.P. Comets, Z. Conesa del Valle, M. Connors, P. Constantin, N. Cronin, N. Crossette, M. Csanád, T. Csörgő, T. Dahms, S. Dairaku, I. Danchev, T.W. Danley, K. Das, A. Datta, M.S. Daugherity, G. David, M.K. Dayananda, M.B. Deaton, K. DeBlasio, K. Dehmelt, H. Delagrange, A. Denisov, D. d'Enterria, A. Deshpande, E.J. Desmond, K.V. Dharmawardane, O. Dietzsch, L. Ding, A. Dion, P.B. Diss, D. Dixit, J.H. Do, M. Donadelli, L. D'Orazio, J.L. Drachenberg, O. Drapier, A. Drees, K.A. Drees, A.K. Dubey, M. Dumancic, J.M. Durham, A. Durum, D. Dutta, V. Dzhordzhadze, S. Edwards, Y.V. Efremenko, J. Egdemir, T. Elder, F. Ellinghaus, W.S. Emam, T. Engelmore, A. Enokizono, H. En'yo, B. Espagnon, S. Esumi, K.O. Eyser, B. Fadem, W. Fan, N. Feege, D.E. Fields, M. Finger, F. Fleuret, S.L. Fokin, B. Forestier, Z. Fraenkel, J.E. Frantz, A. Franz, A.D. Frawley, K. Fujiwara, Y. Fukao, Y. Fukuda, S.-Y. Fung, T. Fusayasu, S. Gadrat, K. Gainey, C. Gal, P. Gallus, P. Garg, A. Garishvili, I. Garishvili, F. Gastineau, H. Ge, M. Germain, F. Giordano, A. Glenn, H. Gong, X. Gong, M. Gonin, J. Gosset, Y. Goto, R. Granier de Cassagnac, N. Grau, S.V. Greene, G. Grim, M. Grosse Perdekamp, Y. Gu, T. Gunji, L. Guo, H. Guragain, H.-Å. Gustafsson, T. Hachiya, A. Hadj Henni, C. Haegemann, J.S. Haggerty, M.N. Hagiwara, K.I. Hahn, H. Hamagaki, J. Hamblen, H.F. Hamilton, R. Han, S.Y. Han, J. Hanks, H. Harada, C. Harper, E.P. Hartouni, K. Haruna, M. Harvey, S. Hasegawa, T.O.S. Haseler, K. Hashimoto, E. Haslum, K. Hasuko, R. Hayano, S. Hayashi, X. He, M. Heffner, T.K. Hemmick, T. Hester, J.M. Heuser, H. Hiejima, J.C. Hill, K. Hill, R. Hobbs, M. Hohlmann, R.S. Hollis, M. Holmes, W. Holzmann, K. Homma, B. Hong, T. Horaguchi, Y. Hori, D. Hornback, T. Hoshino, N. Hotvedt, J. Huang, S. Huang, M.G. Hur, T. Ichihara, R. Ichimiya, J. Ide, H. Iinuma, Y. Ikeda, K. Imai, Y. Imazu, J. Imrek, M. Inaba, Y. Inoue, A. Iordanova, D. Isenhower, L. Isenhower, M. Ishihara, A. Isinhue, T. Isobe, M. Issah, A. Isupov, Y. Ito, D. Ivanishchev, Y. Iwanaga, B.V. Jacak, M. Javani, S.J. Jeon, M. Jezghani, Z. Ji, J. Jia, X. Jiang, J. Jin, O. Jinnouchi, D. John, B.M. Johnson, T. Jones, E. Joo, K.S. Joo, V. Jorjadze, D. Jouan, D.S. Jumper, F. Kajihara, S. Kametani, N. Kamihara, J. Kamin, S. Kanda, M. Kaneta, S. Kaneti, B.H. Kang, J.H. Kang, J.S. Kang, H. Kanou, D. Kapukchyan, J. Kapustinsky, K. Karatsu, S. Karthas, M. Kasai, T. Kawagishi, D. Kawall, M. Kawashima, A.V. Kazantsev, S. Kelly, T. Kempel, J.A. Key, V. Khachatryan, P.K. Khandai, A. Khanzadeev, K. Kihara, K.M. Kijima, J. Kikuchi, A. Kim, B.I. Kim, C. Kim, D.H. Kim, D.J. Kim, E. Kim, E.-J. Kim, G.W. Kim, H.-J. Kim, H.J. Kim, K.-B. Kim, M. Kim, M.H. Kim, S.H. Kim, Y.-J. Kim, Y.K. Kim, Y.-S. Kim, B. Kimelman, D. Kincses, E. Kinney, K. Kiriluk, Á. Kiss, E. Kistenev, R. Kitamura, A. Kiyomichi, J. Klatsky, J. Klay, C. Klein-Boesing, D. Kleinjan, P. Kline, T. Koblesky, L. Kochenda, V. Kochetkov, M. Kofarago, Y. Komatsu, B. Komkov, M. Konno, J. Koster, D. Kotchetkov, D. Kotov, A. Kozlov, A. Král, A. Kravitz, F. Krizek, P.J. Kroon, J. Kubart, S. Kudo, G.J. Kunde, N. Kurihara, K. Kurita, M. Kurosawa, M.J. Kweon, Y. Kwon, G.S. Kyle, R. Lacey, Y.S. Lai, J.G. Lajoie, E.O. Lallow, D. Layton, A. Lebedev, Y. Le Bornec, S. Leckey, B. Lee, D.M. Lee, G.H. Lee, J. Lee, K. Lee, K.B. Lee, K.S. Lee, M.K. Lee, S. Lee, S.H. Lee, S.R. Lee, T. Lee, M.J. Leitch, M.A.L. Leite, M. Leitgab, E. Leitner, B. Lenzi, Y.H. Leung, B. Lewis, N.A. Lewis, X. Li, X.H. Li, P. Lichtenwalner, P. Liebing, H. Lim, S.H. Lim, L.A. Linden Levy, T. Liška, A. Litvinenko, H. Liu, L.D. Liu, M.X. Liu, V.-R. Loggins, S. Lokos, K. Lovasz, B. Love, R. Luechtenborg, D. Lynch, C.F. Maguire, T. Majoros, Y.I. Makdisi, M. Makek, M. Malaev, A. Malakhov, M.D. Malik, A. Manion, V.I. Manko, E. Mannel, Y. Mao, L. Mašek, H. Masuda, H. Masui, S. Masumoto, F. Matathias, M.C. McCain, M. McCumber, P.L. McGaughey, D. McGlinchey, C. McKinney, N. Means, A. Meles, M. Mendoza, B. Meredith, W.J. Metzger, Y. Miake, T. Mibe, J. Midori, A.C. Mignerey, D.E. Mihalik, P. Mikeš, K. Miki, A.J. Miller, T.E. Miller, A. Milov, S. Mioduszewski, D.K. Mishra, G.C. Mishra, M. Mishra, J.T. Mitchell, M. Mitrovski, G. Mitsuka, Y. Miyachi, S. Miyasaka, S. Mizuno, A.K. Mohanty, S. Mohapatra, P. Montuenga, H.J. Moon, T. Moon, Y. Morino, A. Morreale, D.P. Morrison, S.I.M. Morrow, M. Moskowitz, J.M. Moss, S. Motschwiller, T.V. Moukhanova, D. Mukhopadhyay, T. Murakami, J. Murata, A. Mwai, T. Nagae, K. Nagai, S. Nagamiya, K. Nagashima, T. Nagashima, Y. Nagata, J.L. Nagle, M. Naglis, M.I. Nagy, I. Nakagawa, H. Nakagomi, Y. Nakamiya, K.R. Nakamura, T. Nakamura, K. Nakano, S. Nam, C. Nattrass, A. Nederlof, P.K. Netrakanti, J. Newby, M. Nguyen, M. Nihashi, T. Niida, S. Nishimura, B.E. Norman, R. Nouicer, T. Novák, N. Novitzky, R. Novotny, A. Nukariya, A.S. Nyanin, J. Nystrand, C. Oakley, H. Obayashi, E. O'Brien, S.X. Oda, C.A. Ogilvie, H. Ohnishi, H. Oide, I.D. Ojha, M. Oka, K. Okada, O.O. Omiwade, Y. Onuki, J.D. Orjuela Koop, J.D. Osborn, A. Oskarsson, I. Otterlund, G.J. Ottino, M. Ouchida, K. Ozawa, R. Pak, D. Pal, A.P.T. Palounek, V. Pantuev, V. Papavassiliou, B.H. Park, I.H. Park, J. Park, J.S. Park, S. Park, S.K. Park, W.J. Park, S.F. Pate, L. Patel, M. Patel, H. Pei, J.-C. Peng, W. Peng, H. Pereira, D.V. Perepelitsa, G.D.N. Perera, V. Peresedov, D.Yu. Peressounko, C.E. PerezLara, J. Perry, R. Petti, M. Phipps, C. Pinkenburg, R. Pinson, R.P. Pisani, M. Proissl, A. Pun, M.L. Purschke, A.K. Purwar, H. Qu, P.V. Radzevich, J. Rak, A. Rakotozafindrabe, B.J. Ramson, I. Ravinovich, K.F. Read, S. Rembeczki, M. Reuter, K. Reygers, D. Reynolds, V. Riabov, Y. Riabov, E. Richardson, D. Richford, T. Rinn, N. Riveli, D. Roach, G. Roche, S.D. Rolnick, A. Romana, M. Rosati, C.A. Rosen, S.S.E. Rosendahl, P. Rosnet, Z. Rowan, J.G. Rubin, P. Rukoyatkin, J. Runchey, P. Ružička, V.L. Rykov, M.S. Ryu, S.S. Ryu, A.S. Safonov, B. Sahlmueller, N. Saito, T. Sakaguchi, S. Sakai, K. Sakashita, H. Sakata, H. Sako, V. Samsonov, M. Sano, S. Sano, M. Sarsour, H.D. Sato, K. Sato, S. Sato, T. Sato, M. Savastio, S. Sawada, B. Schaefer, B.K. Schmoll, K. Sedgwick, J. Seele, R. Seidl, Y. Sekiguchi, A.Yu. Semenov, V. Semenov, A. Sen, R. Seto, P. Sett, A. Sexton, D. Sharma, A. Shaver, T.K. Shea, I. Shein, A. Shevel, T.-A. Shibata, K. Shigaki, H.H. Shim, M. Shimomura, T. Shioya, T. Shohjoh, K. Shoji, P. Shukla, A. Sickles, C.L. Silva, D. Silvermyr, C. Silvestre, K.S. Sim, B.K. Singh, C.P. Singh, V. Singh, M.J. Skoby, M. Skolnik, S. Skutnik, M. Slunečka, K.L. Smith, W.C. Smith, M. Snowball, T. Sodre, S. Solano, A. Soldatov, R.A. Soltz, W.E. Sondheim, S.P. Sorensen, I.V. Sourikova, N.A. Sparks, F. Staley, P.W. Stankus, P. Steinberg, E. Stenlund, M. Stepanov, A. Ster, S.P. Stoll, M.R. Stone, T. Sugitate, C. Suire, A. Sukhanov, J.P. Sullivan, T. Sumita, J. Sun, S. Syed, J. Sziklai, T. Tabaru, S. Takagi, E.M. Takagui, A. Takahara, A. Takeda, A. Taketani, R. Tanabe, K.H. Tanaka, Y. Tanaka, S. Taneja, K. Tanida, M.J. Tannenbaum, S. Tarafdar, A. Taranenko, P. Tarján, G. Tarnai, E. Tennant, H. Themann, D. Thomas, T.L. Thomas, R. Tieulent, A. Timilsina, T. Todoroki, M. Togawa, A. Toia, J. Tojo, L. Tomášek, M. Tomášek, Y. Tomita, H. Torii, C.L. Towell, M. Towell, R. Towell, R.S. Towell, V.-N. Tram, I. Tserruya, Y. Tsuchimoto, T. Tsuji, S.K. Tuli, H. Tydesjö, N. Tyurin, Y. Ueda, B. Ujvari, K. Utsunomiya, C. Vale, H. Valle, H.W. van Hecke, M. Vargyas, S. Vazquez-Carson, E. Vazquez-Zambrano, A. Veicht, J. Velkovska, R. Vértesi, A.A. Vinogradov, M. Virius, B. Voas, A. Vossen, V. Vrba, N. Vukman, E. Vznuzdaev, M. Wagner, D. Walker, X.R. Wang, Z. Wang, D. Watanabe, K. Watanabe, Y. Watanabe, Y.S. Watanabe, F. Wei, R. Wei, J. Wessels, S. Whitaker, A.S. White, S.N. White, N. Willis, D. Winter, S. Wolin, C.P. Wong, J.P. Wood, C.L. Woody, R.M. Wright, M. Wysocki, B. Xia, W. Xie, C. Xu, Q. Xu, L. Xue, S. Yalcin, Y.L. Yamaguchi, H. Yamamoto, K. Yamaura, R. Yang, A. Yanovich, Z. Yasin, P. Yin, J. Ying, S. Yokkaichi, J.H. Yoo, J.S. Yoo, I. Yoon, Z. You, G.R. Young, I. Younus, H. Yu, I.E. Yushmanov, W.A. Zajc, O. Zaudtke, A. Zelenski, C. Zhang, S. Zharko, S. Zhou, J. Zimamyi, L. Zolin, and L. Zou

Subjects
Nuclear and High Energy Physics
Published
2019

5. Microbial ecological succession during municipal solid waste decomposition

Author

Francis L. de los Reyes, Ling Wang, Morton A. Barlaz, and Bryan F. Staley

Subjects
0301 basic medicine, 030106 microbiology, Methanobacteriales, Bacterial Physiological Phenomena, Solid Waste, Applied Microbiology and Biotechnology, 03 medical and health sciences, RNA, Ribosomal, 16S, Environmental Microbiology, Phylogeny, Bacteria, biology, Chemistry, Bacteroidetes, Biodiversity, General Medicine, Methanosarcina, biology.organism_classification, Archaea, Decomposition, Waste Disposal Facilities, 030104 developmental biology, Microbial population biology, Environmental chemistry, Methanomicrobiales, Proteobacteria, Biotechnology
Abstract

The decomposition of landfilled refuse proceeds through distinct phases, each defined by varying environmental factors such as volatile fatty acid concentration, pH, and substrate quality. The succession of microbial communities in response to these changing conditions was monitored in a laboratory-scale simulated landfill to minimize measurement difficulties experienced at field scale. 16S rRNA gene sequences retrieved at separate stages of decomposition showed significant succession in both Bacteria and methanogenic Archaea. A majority of Bacteria sequences in landfilled refuse belong to members of the phylum Firmicutes, while Proteobacteria levels fluctuated and Bacteroidetes levels increased as decomposition proceeded. Roughly 44% of archaeal sequences retrieved under conditions of low pH and high acetate were strictly hydrogenotrophic (Methanomicrobiales, Methanobacteriales). Methanosarcina was present at all stages of decomposition. Correspondence analysis showed bacterial population shifts were attributed to carboxylic acid concentration and solids hydrolysis, while archaeal populations were affected to a higher degree by pH. T-RFLP analysis showed specific taxonomic groups responded differently and exhibited unique responses during decomposition, suggesting that species composition and abundance within Bacteria and Archaea are highly dynamic. This study shows landfill microbial demographics are highly variable across both spatial and temporal transects.

Published
2018

6. Beam Energy and Centrality Dependence of Direct-Photon Emission from Ultrarelativistic Heavy-Ion Collisions

Author

A. Sen, V. S. Pantuev, M. Sano, M. Stepanov, Emily D. Richardson, X. He, J. Zimamyi, O. O. Omiwade, M. Harvey, S. Belikov, K. S. Joo, A. Rakotozafindrabe, J. Hamblen, K. Hasuko, Y. Aramaki, V. Peresedov, Y. Watanabe, Ajit Kumar Mohanty, T. A. Shibata, C. L. Silva, R. A. Soltz, T. Sato, C. M. Camacho, R. S. Towell, Prashant Shukla, S. F. Pate, Dmitry Blau, Y. Fukao, A. Shevel, O. Jinnouchi, H. En'yo, J. Koster, M. Grosse Perdekamp, A. Hadj Henni, T. Hester, I. Younus, Ke. Nakamura, O. Drapier, H. Al-Bataineh, E. Vazquez-Zambrano, A. Nederlof, J. Park, H. Masui, A. K. Dubey, F. Matathias, H. Asano, Florian Bauer, M. Kasai, Y. Iwanaga, Joakim Nystrand, A. Vossen, T. L. Thomas, I. E. Yushmanov, Eun-Hee Kim, P. Constantin, Beomkyu Kim, Wei Xie, M. J. Leitch, A. A. Bickley, C. L. Woody, A. Veicht, A. Mwai, Eva Haslum, B. Lenzi, A. Soldatov, D. Isenhower, A. Toia, Tamas Novak, T. Moon, Kensuke Homma, H. Pei, L. Guo, Alexei Khanzadeev, Shinichi Masumoto, E. Stenlund, J. B. Choi, H. Sakata, Min-Hye Kim, R. Vértesi, S. H. Lee, Dipak Kumar Mishra, C. Baumann, M. S. Daugherity, C. P. Singh, T. Jones, Z. Rowan, Tomoya Tsuji, J. H. Bhom, T. V. Moukhanova, M. Mendoza, Peter Christiansen, R. Ichimiya, Atsushi Takahara, L. Mašek, D. Kawall, K. Tanida, Ryugo S. Hayano, I. J. Choi, B. Xia, S. Motschwiller, D. Ivanishchev, Dennis Perepelitsa, H. Themann, S. Chernichenko, V. Papavassiliou, Z. Ji, D. Winter, D. Yu Peressounko, Y. Riabov, Y. Onuki, C. E. Perezlara, Filip Krizek, N. A. Lewis, K. A. Drees, H. Lim, B. Bassalleck, S. Takagi, J. Bryslawskyj, Kenta Shigaki, M. Boer, M. Nguyen, V. I. Kochetkov, L. Aphecetche, S. Park, J. Murata, I. Nakagawa, Aaron Angerami, V-N. Tram, N. Grau, R. J. Petti, Sándor Lökös, K. N. Barish, J. M. Burward-Hoy, P. Tarján, S. N. White, J. G. Lajoie, Deepa Thomas, Jan Rak, R. Lacey, A. V. Kazantsev, Alexander Milov, Tae-Yeon Lee, Martin Purschke, C. A. Aidala, H. J. Kim, R. Granier de Cassagnac, A. Isupov, C. Suire, A. S. Nyanin, S. Zharko, S. Sano, S. Butsyk, Vladimir Samsonov, M. Konno, Gerd Joachim Kunde, A. Dion, Johannes Peter Wessels, I. Ravinovich, J. L. Charvet, S. Afanasiev, A. Ster, N. Feege, I. Otterlund, Christine Nattrass, A. Adare, J. Klatsky, C. P. Wong, M. Connors, W. A. Zajc, V. Baublis, A. Denisov, M. Leitgab, J. Sziklai, I. Shein, V. Cianciolo, Zvi Hirsh Citron, H. Ge, Rachid Nouicer, A. N. Zelenski, M. Proissl, Young-Ki Kim, T. Engelmore, Y. Tomita, Motoi Inaba, K. Nakano, M. J. Skoby, J. Newby, G. Roche, M. Mitrovski, Takafumi Niida, J. Huang, Hiroaki Ohnishi, K. B. Lee, Brian Cole, L. Tomášek, R. M. Wright, T. E. Miller, M. Kurosawa, Sergey Fokin, Z. Sun, A. Yu. Semenov, Bum-Hoon Lee, D. E. Mihalik, Senta Greene, K. Sedgwick, M. L. Brooks, S. Yokkaichi, W. C. Smith, B. M. Johnson, Alberto Baldisseri, Mihael Makek, K. Das, J. T. Mitchell, P. Mikeš, N. Hotvedt, R. Seidl, M. K. Dayananda, Prakhar Garg, B. Bannier, R. Belmont, M. Sarsour, A. T. Basye, M. K. Lee, B. Love, Marie Germain, C. Xu, E. P. Hartouni, Y. Miyachi, K. B. Kim, W. E. Sondheim, K. Boyle, P. A. Rukoyatkin, K. S. Sim, Kei Nagashima, V. Canoa Roman, P. Chung, M. I. Nagy, A. Morreale, Z. Fraenkel, Y. Nagata, M. Bai, D. Watanabe, M. D. Malik, Vladislav Manko, Saskia Mioduszewski, H. A. Gustafsson, M. Slunečka, E. Vznuzdaev, E. C. Aschenauer, S. S. Ryu, J. S. Kang, Junji Tojo, J. Gosset, Mate Csanad, A. Berdnikov, C. Zhang, J. P. Sullivan, A. Iordanova, A. Caringi, Frank Ellinghaus, E. R. Kinney, D. P. Morrison, B. H. Kang, M. Naglis, Tomofumi Nagae, J. L. Nagle, S. Y. Fung, M. B. Deaton, Y. Tanaka, T. K. Shea, P. Rosnet, B. Meredith, V. Khachatryan, D. Hornback, B. Komkov, P. Castera, J. Imrek, V. E. Semenov, B. E. Norman, M. Holmes, P. Ružička, Raphael Noel Tieulent, W. S. Emam, A. Datta, M. Javani, B. Fadem, E. O'Brien, Y. Kwon, A. G. Litvinenko, A. Kozlov, R. Seto, A. Bagoly, Maya Hachiya Shimomura, R. S. Hollis, G. David, L. Patel, T. C. Awes, Kyoichiro Ozawa, T. Liška, K. O. Eyser, K. Fujiwara, Y. L. Yamaguchi, N. Kamihara, R. K. Choudhury, T. Murakami, Robert F. Hobbs, B. Lewis, Viktor Riabov, Jun Kikuchi, Tadaaki Isobe, B. Azmoun, Y. J. Mao, K. Haruna, T. W. Danley, J. D. Osborn, A. Taranenko, R. Yang, H. Hiejima, S. Taneja, Kazushi Miki, H. Al-Ta'Ani, A. Král, M. J. Kweon, H. Kanou, J. S. Chai, Petr Gallus, T. Majoros, L. Ding, D. Roach, K. M. Kijima, Taku Gunji, H. Gong, M. Nihashi, Tatsuya Chujo, D. Richford, Zhiying You, K. Imai, Shoji Nagamiya, John Hill, K. Hashimoto, T. Horaguchi, Brajesh K. Singh, C. Silvestre, R. Bennett, M. Kawashima, J. Seele, Yoshifumi Ueda, H. J. Moon, Norio Saito, Tsutomu Mibe, P. Liebing, M. A. L. Leite, D. Sharma, C. Vale, P. L. McGaughey, K. Karatsu, M. Patel, F. Kajihara, F. Staley, L. Baksay, V. Dzhordzhadze, I. Danchev, A. Garishvili, David D'Enterria, Gary Grim, J. H. Do, T. Tabaru, S. Batsouli, B. Kurgyis, Toru Sugitate, L. D. Isenhower, K. V. Dharmawardane, Susumu Sato, Y. I. Makdisi, M. Kaneta, Xingguo Li, B. S. Chang, Y. Le Bornec, Ahmed Al-Jamel, Marisilvia Donadelli, V. Bumazhnov, M. P. Comets, Charles Maguire, J. L. Drachenberg, S. Leckey, M. Finger, S. Tarafdar, G. Mitsuka, Y. Hori, Anne Marie Sickles, J. Jin, J. E. Frantz, Jen-Chieh Peng, K. Gainey, I. V. Sourikova, N. Novitzky, Jongmin Lee, S. Choi, J. Klay, S. I. Morrow, H. Delagrange, Y. S. Kim, Y. H. Leung, Josh Moss, E. M. Takagui, S. P. Sorensen, Dylan Walker, R. P. Pisani, Debashish Pal, Y. Nakamiya, D. Lynch, S. Sawada, J. S. Bok, D. Kotchetkov, D. Reynolds, François Fleuret, H. W. Van Hecke, Y. Tsuchimoto, T. Ichihara, M. Oka, O. Chvala, H. Iinuma, M. C. McCain, S. Hasegawa, R. Tanabe, D. Layton, I. Garishvili, Akio Kiyomichi, J. Ying, Seong H. Kim, F. Wei, Inkyu Park, M. McCumber, J. Runchey, E. Kistenev, Xiong Wang, Z. Conesa del Valle, S. Zhou, Matthew G. Reuter, Herve Borel, B. Ujvari, Nikolay Tyurin, M. N. Wagner, Susanta K. Mohapatra, J. S. Kapustinsky, Takahiro Fusayasu, G. R. Young, M. Alfred, T. Hachiya, G. Baksay, Dong Jo Kim, A. P.T. Palounek, K. Okada, P. Lichtenwalner, A. Kiss, P. Kline, K. S. Lee, S. D. Rolnick, A. Enokizono, B. Espagnon, L. Zou, H. Harada, I. D. Ojha, Alexander Malakhov, Qiao Xu, N. Kurihara, ShinIchi Esumi, A. Glenn, A. Kravitz, J. M. Heuser, W. C. Chang, Z. Yasin, Henner Buesching, J. Sun, B. Forestier, M. T. Bjorndal, D. Silvermyr, S. Baumgart, L. S. Zolin, M. Ouchida, V. Babintsev, W. J. Park, Steve Edwards, M. Tomášek, N. Means, J. Asai, Atsushi Taketani, M. Wysocki, I. Tserruya, Masamichi Ishihara, A. Sukhanov, K. Kurita, Rushan Han, M. N. Hagiwara, Christopher Rosen, S. H. Lim, H. Pereira, P. D. Barnes, H. Yu, X. Gong, Y. Morino, Yu. Efremenko, A. Yanovich, V. Singh, V. L. Rykov, T. Dahms, A. Hodges, Marcus Hohlmann, G. S. Kyle, C. O. Kim, R. Pak, N. Willis, C. Y. Chi, M. J. Tannenbaum, James Alexander, Y. Ikeda, Shingo Sakai, S. P. Stoll, L. A. Linden Levy, J. G. Boissevain, Yasutada Akiba, H. Torii, P. V. Radzevich, Hirohiko Sato, S. K. Tuli, Minghui Liu, S. Bathe, Eunja Kim, E. J. Mannel, Agneta Oskarsson, S. Dairaku, D. Kincses, T. Rinn, Y. Berdnikov, R. Averbeck, Byung-Sik Hong, C. McKinney, M. Mishra, Kazuhiro Tanaka, Vaclav Vrba, Klaus Johannes Reygers, K. Hill, O. Zaudtke, Rui Wei, R. Akimoto, B. Sahlmueller, E. J. Desmond, A. Bazilevsky, Y. J. Kim, B. K. Schmoll, M. Virius, E. T. Atomssa, M. Heffner, A. Kim, Jaehyeok Yoo, D. Mukhopadhyay, E. Tennant, S. Rembeczki, M. Gonin, C. Pinkenburg, K. Dehmelt, J. D. Orjuela Koop, S. Kametani, C. H. Chen, Kenneth Francis Read, A. Manion, Y. Cobigo, Alexandre Lebedev, J. H. Kang, D. M. Lee, D. Bucher, J. S. Haggerty, S. R. Lee, A. Romana, S. Gadrat, Y. S. Lai, K. Kiriluk, J. Chiba, Alice Mignerey, X. Jiang, L. D'Orazio, S. Miyasaka, A. Franz, G. C. Mishra, Xiao-yan Li, Hiroyuki Sako, Y. Komatsu, Takao Sakaguchi, S. W. Nam, C. Klein-Boesing, A. D. Frawley, S. Huang, S. H. Aronson, W. Holzmann, O. Dietzsch, H. Valle, M. Chiu, Dipanwita Dutta, C. A. Ogilvie, Sung Keun Park, C. Gal, Julia Velkovska, S. Kelly, M. Rosati, N. N. Ajitanand, T. K. Hemmick, J. M. Durham, Yasuo Miake, Tamás Csörgő, Takahiro Nakamura, D. McGlinchey, Susumu Oda, A. A. Vinogradov, Henrik Tydesjö, L. Kochenda, M. Issah, T. Shohjoh, A. Durum, T. Kawagishi, Jiangyong Jia, D. S. Brown, K. Yamaura, S. Wolin, D. Kleinjan, S. Campbell, Hongfang Liu, D. E. Fields, B. V. Jacak, A. K. Purwar, R. Armendariz, J. Hanks, Byoungchoo Park, N. Apadula, C. Oakley, A. Drees, J. Kubart, K. Sakashita, D. Kotov, J. Egdemir, D. S. Jumper, F. Gastineau, Jason Kamin, Y. Goto, S. S.E. Rosendahl, K. Watanabe, G. Bunce, K. Shoji, A. Churyn, D. Jouan, W. Peng, P. W. Stankus, C. R. Cleven, C. Haegemann, Y. Inoue, P. J. Kroon, T. Kempel, Dong-Hun Kim, S. Kaneti, M. G. Hur, Steven E. Skutnik, M. Togawa, T. O. S. Haseler, H. Qu, Hideki Hamagaki, W. Fan, K. Aoki, M. Vargyas, T. Todoroki, K. I. Hahn, A. Deshpande, Helsinki Institute of Physics, Laboratoire de physique subatomique et des technologies associées (SUBATECH), Université de Nantes - UFR des Sciences et des Techniques (UN UFR ST), Université de Nantes (UN)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-IMT Atlantique (IMT Atlantique), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Institut de Physique Nucléaire d'Orsay (IPNO), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique de Clermont (LPC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Clermont Auvergne [2017-2020] (UCA [2017-2020])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), PHENIX, Université de Nantes - Faculté des Sciences et des Techniques, Université de Nantes (UN)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-IMT Atlantique Bretagne-Pays de la Loire (IMT Atlantique), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Clermont Auvergne (UCA)-Centre National de la Recherche Scientifique (CNRS), Université de Nantes (UN)-Université de Nantes (UN)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-IMT Atlantique Bretagne-Pays de la Loire (IMT Atlantique), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Clermont Auvergne (UCA), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Laboratoire de physique subatomique et des technologies associées ( SUBATECH ), IMT Atlantique Bretagne-Pays de la Loire ( IMT Atlantique ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Centre National de la Recherche Scientifique ( CNRS ) -Université de Nantes ( UN ), Laboratoire Leprince-Ringuet ( LLR ), Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -École polytechnique ( X ) -Centre National de la Recherche Scientifique ( CNRS ), Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ), Institut de Physique Nucléaire d'Orsay ( IPNO ), Université Paris-Sud - Paris 11 ( UP11 ) -Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Centre National de la Recherche Scientifique ( CNRS ), Laboratoire de Physique de Clermont ( LPC ), Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Université Clermont Auvergne ( UCA ) -Centre National de la Recherche Scientifique ( CNRS ), Institut de Physique Nucléaire de Lyon ( IPNL ), Université Claude Bernard Lyon 1 ( UCBL ), and Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS ( IN2P3 ) -Centre National de la Recherche Scientifique ( CNRS )

Subjects
Photon, heavy ion: scattering, 62.4 GeV-cms, Au+Au collisions, General Physics and Astronomy, transverse momentum dependence, 01 natural sciences, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 39 GeV-cms/nucleon62.4 GeV-cms, [ PHYS.NEXP ] Physics [physics]/Nuclear Experiment [nucl-ex], Nuclear Experiment (nucl-ex), Nuclear Experiment, 39 GeV-cms/nucleon, Physics, Range (particle radiation), RHIC, Large Hadron Collider, Multiplicative function, PHENIX, nucleus nucleus: colliding beams, PRIRODNE ZNANOSTI. Fizika, photon: direct production, CERN LHC Coll, photon: yield, COLISÕES DE ÍONS PESADOS RELATIVÍSTICOS, quark-gluon plasma, beam energy scan, FOS: Physical sciences, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 114 Physical sciences, energy dependence, Nuclear physics, direct photons, energy: scaling, [ PHYS.HEXP ] Physics [physics]/High Energy Physics - Experiment [hep-ex], DILEPTONS, Au+Au collisions, beam energy scan, quark-gluon plasma, direct photons, PHENIX, RHIC, 0103 physical sciences, 010306 general physics, impact parameter: dependence, Scaling, Nuclear Physics, gold, NATURAL SCIENCES. Physics, Yield (chemistry), High Energy Physics::Experiment, Relativistic Heavy Ion Collider, Beam (structure), experimental results
Abstract

The PHENIX collaboration presents first measurements of low-momentum ($0.4$1\,GeV/$c$) direct-photon yield $dN_{\gamma}^{\rm dir}/d\eta$ is a smooth function of $dN_{\rm ch}/d\eta$ and can be well described as proportional to $(dN_{\rm ch}/d\eta)^\alpha$ with $\alpha{\approx}1.25$. This scaling behavior holds for a wide range of beam energies at the Relativistic Heavy Ion Collider and the Large Hadron Collider, for centrality selected samples, as well as for different, $A$$+$$A$ collision systems. At a given beam energy the scaling also holds for high $p_T$ ($>5$\,GeV/$c$) but when results from different collision energies are compared, an additional $\sqrt{s_{_{NN}}}$-dependent multiplicative factor is needed to describe the integrated-direct-photon yield., Comment: 673 authors from 82 institutions, 10 pages, 4 figures. v2 is version accepted for publication in Physical Review Letters. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html

Published
2019

7. Low-momentum direct-photon measurement in Cu + Cu collisions at sNN=200GeV

Author

K. S. Joo, C. A. Ogilvie, T. K. Hemmick, O. Dietzsch, Yasuo Miake, E. T. Atomssa, H. Valle, J. G. Boissevain, C. P. Wong, T. Rinn, Masashi Kaneta, M. Connors, W. A. Zajc, Steven E. Skutnik, L. Kochenda, D. Kawall, S. Esumi, V. Baublis, Julia Velkovska, A. Denisov, V. Cianciolo, S. Bathe, T. O. S. Haseler, V. I. Kochetkov, Agneta Oskarsson, John Matthew Durham, M. Rosati, K. S. Sim, V. Dzhordzhadze, Y. Berdnikov, Y. Akiba, M. Mishra, C. Pinkenburg, K. Dehmelt, C. L. Woody, A. Berdnikov, Sergey Fokin, Tae-Yeon Lee, M. Grosse Perdekamp, G. Mitsuka, H. Qu, Junji Tojo, Y. Kwon, S. Nagamiya, Vaclav Vrba, Klaus Johannes Reygers, K. Hill, Y. Fukao, S. Park, J. Murata, Martin Purschke, C. A. Aidala, A. Shevel, S. Hasegawa, Hideki Hamagaki, W. Fan, K. Aoki, H. Hiejima, M. Stepanov, G. Roche, A. A. Vinogradov, K. O. Eyser, A. K. Purwar, K. Das, K. Fujiwara, E. P. Hartouni, A. Kiss, A. Bagoly, G. S. Kyle, Gerd Joachim Kunde, C. P. Singh, Z. Yasin, H. W. Van Hecke, T. Horaguchi, Henner Buesching, S. P. Sorensen, James Alexander, Dylan Walker, Herve Borel, N. Kamihara, R. Armendariz, T. Majoros, Jiangyong Jia, Y. Goto, K. Imai, J. T. Mitchell, N. Hotvedt, R. Seidl, N. A. Lewis, I. Shein, Petr Gallus, Marcus Hohlmann, R. Averbeck, A. Isupov, C. Suire, S. Kametani, T. Hester, M. J. Skoby, D. Sharma, Byung-Sik Hong, A. Bazilevsky, A. Morreale, Vladislav Manko, A. Taketani, A. Drees, J. Sziklai, Z. Fraenkel, V. L. Rykov, T. Dahms, J. G. Lajoie, Philippe Rosnet, V. Khachatryan, M. B. Deaton, S. Campbell, Anne Marie Sickles, P. Tarján, Alberto Baldisseri, C. L. Silva, S. Belikov, J. Kubart, H. A. Gustafsson, J. H. Kang, J. S. Haggerty, I. V. Sourikova, Brian Cole, A. Romana, R. S. Towell, J. S. Bok, D. Kotchetkov, L. Zou, Alexandre Lebedev, M. Alfred, T. Hachiya, I. Garishvili, Akio Kiyomichi, F. Wei, A. Hadj Henni, C. Zhang, Y. Tanaka, Masamichi Ishihara, D. E. Fields, T. L. Thomas, B. Azmoun, Y. J. Mao, A. Král, C. R. Cleven, C. Haegemann, Y. Inoue, John Hill, B. V. Jacak, M. J. Kweon, M. K. Lee, D. M. Lee, G. R. Young, N. Kurihara, Minghui Liu, V-N. Tram, E. J. Desmond, O. Zaudtke, C. Vale, B. S. Chang, A. Kravitz, D. Kotov, Ryugo S. Hayano, M. Naglis, M. Gonin, T. Hoshino, Nagahiro Saito, H. A. Torii, Toru Sugitate, J. Klay, H. Yu, J. Egdemir, L. D. Isenhower, F. Staley, L. Baksay, M. Heffner, Kenneth Francis Read, T. Ichihara, Viktor Riabov, M. Finger, Y. Riabov, J. Bryslawskyj, Wei Xie, M. McCumber, C. Y. Chi, M. Oka, Charles Maguire, B. Kurgyis, M. Togawa, Jan Rak, Y. Ueda, R. Lacey, Dong-Hun Kim, A. V. Kazantsev, Kenta Shigaki, M. Nguyen, J. Park, V. S. Pantuev, A. Dion, F. Matathias, Jason Kamin, K. Kurita, Kiyoshi Tanida, Y. S. Lai, Kensuke Homma, R. Granier de Cassagnac, A. Adare, E. Kistenev, H. Pereira, Motoi Inaba, J. D. Orjuela Koop, T. Tabaru, D. Richford, A. S. Nyanin, M. Sarsour, M. Csanad, S. P. Stoll, A. Rakotozafindrabe, M. Slunecka, R. Belmont, L. Tomášek, Z. Sun, P. Mikeš, A. Enokizono, Saskia Mioduszewski, P. Constantin, S. Chernichenko, Y. H. Leung, B. Komkov, H. Harada, D. E. Mihalik, J. Gosset, I. J. Choi, Rachid Nouicer, H. Pei, G. David, J. H. Do, B. Bassalleck, R. Pak, H. Iinuma, Y. Tsuchimoto, D. McGlinchey, Balazs Ujvari, M. Konno, Senta Greene, François Fleuret, K. Okada, Hiroaki Ohnishi, S. S.E. Rosendahl, T. C. Awes, Kyoichiro Ozawa, T. Liška, N. N. Ajitanand, A. P.T. Palounek, J. Jin, I. E. Yushmanov, Eun-Hee Kim, G. Bunce, H. En'yo, David D'Enterria, Jun Kikuchi, Alexei Khanzadeev, L. Aphecetche, E. M. Takagui, Y. Nakamiya, D. Lynch, M. J. Leitch, Tadaaki Isobe, I. Ravinovich, E. Stenlund, H. Sakata, N. Novitzky, Z. Rowan, S. N. White, A. Deshpande, M. Ouchida, G. Baksay, Takahiro Nakamura, P. L. McGaughey, M. A. L. Leite, B. E. Norman, J. Asai, E. O'Brien, M. Chiu, Y. Nagata, S. Yokkaichi, A. Churyn, D. Jouan, B. Sahlmueller, Susumu Oda, D. V. Perepelitsa, Johannes Peter Wessels, Xingguo Li, M. N. Wagner, Shingo Sakai, T. V. Moukhanova, R. A. Soltz, A. Durum, R. Vértesi, S. H. Lee, M. Issah, D. Watanabe, H. Ge, K. Nakano, M. D. Malik, E. Vznuzdaev, Y. Watanabe, J. D. Osborn, J. E. Frantz, V. Babintsev, W. E. Sondheim, I. Younus, R. Bennett, Jen-Chieh Peng, K. Boyle, P. A. Rukoyatkin, A. Soldatov, Osamu Jinnouchi, Matthew G. Reuter, Takahiro Fusayasu, Z. Ji, D. Winter, Hiroyuki Sako, D. Yu Peressounko, Xiong Wang, Alexander Malakhov, Qiao Xu, Dong Jo Kim, D. Silvermyr, L. S. Zolin, W. J. Park, S. H. Lim, P. D. Barnes, A. Yanovich, J. Chiba, Alice Mignerey, M. Wysocki, M. Mitrovski, J. Huang, Takao Sakaguchi, I. Tserruya, Yu. Efremenko, C. Klein-Boesing, A. D. Frawley, Prakhar Garg, V. Singh, A. Hodges, S. H. Aronson, W. Holzmann, S. F. Pate, Maya Hachiya Shimomura, Y. I. Makdisi, S. Butsyk, Vladimir Samsonov, H. Al-Bataineh, A. Glenn, P. V. Radzevich, M. J. Tannenbaum, B. K. Schmoll, Eunja Kim, D. Ivanishchev, Jaehyeok Yoo, D. Mukhopadhyay, S. Rembeczki, V. Papavassiliou, Sébastien Gadrat, Alexander Milov, I. Nakagawa, C. E. Perezlara, Eva Haslum, O. Drapier, Frank Ellinghaus, B. Lenzi, E. R. Kinney, Robert F. Hobbs, D. P. Morrison, V. E. Semenov, Tatsuya Chujo, S. Afanasiev, Tamas Ferenc Csorgo, A. Ster, N. Feege, S. I. Morrow, J. Newby, Debashish Pal, S. Sawada, J. Ying, A. Franz, J. Runchey, B. M. Johnson, J. L. Nagle, D. Hornback, C. Silvestre, A. Taranenko, Marisilvia Donadelli, V. Bumazhnov, M. P. Comets, Kazushi Miki, T. A. Shibata, D. Kincses, Min Soo Kim, D. Isenhower, A. Toia, Tamas Novak, T. Moon, L. Mašek, J. L. Charvet, Rushan Han, T. E. Miller, Kei Nagashima, V. Canoa Roman, P. Chung, Raphael Noel Tieulent, Susumu Sato, W. S. Emam, H. Kanou, Taku Gunji, H. Gong, J. Seele, M. Patel, F. Kajihara, H. Delagrange, S. Zhou, M. Virius, S. Takagi, M. Boer, Sándor Lökös, K. N. Barish, S. Zharko, M. L. Brooks, B. Love, Y. L. Yamaguchi, C. Xu, A. G. Litvinenko, A. Kozlov, R. Seto, K. Haruna, T. W. Danley, X. He, J. Zimamyi, O. O. Omiwade, V. Peresedov, S. Batsouli, H. Masui, A. K. Dubey, A. A. Bickley, N. Grau, K. Shoji, W. Peng, and P. W. Stankus

Subjects
Physics, Photon, Mass distribution, 010308 nuclear & particles physics, Hadron, Virtual particle, 01 natural sciences, Spectral line, Nuclear physics, Momentum, 0103 physical sciences, Mass spectrum, Rapidity, Nuclear Experiment, 010306 general physics
Abstract

We measured direct photons for pT

Published
2018

8. Measurements of e+e− pairs from open heavy flavor in p+p and d+A collisions at sNN=200 GeV

Author

Martin Purschke, C. A. Aidala, T. Murakami, E. M. Takagui, D. Kawall, K. Tanida, K. A. Drees, D. Hornback, S. Afanasiev, M. Rosati, Tamás Csörgő, S. Kudo, M. J. Skoby, A. A. Vinogradov, S. Bathe, Maya Hachiya Shimomura, Jiangyong Jia, Y. Goto, S. I. Morrow, Vardan Khachatryan, Zvi Hirsh Citron, S. Sawada, K. L. Smith, A. Ster, M. I. Nagy, Gerd Joachim Kunde, N. Feege, J. Ying, A. Franz, J. Runchey, Y. Ito, Kensuke Homma, B. Meredith, J. Newby, Y. I. Makdisi, O. Dietzsch, Marcus Hohlmann, I. Shein, Y. Fukao, M. Patel, Yu. Efremenko, E. T. Atomssa, H. Valle, Dipanwita Dutta, C. Gal, Julia Velkovska, E. Vznuzdaev, Dmitry Blau, Z. Fraenkel, Carly W. Butler, S. Chernichenko, C. Silvestre, Y. Tanaka, B. Bassalleck, K. Sedgwick, H. A. Torii, Toru Sugitate, K. O. Eyser, M. Chiu, Ajit Kumar Mohanty, C. Baumann, S. Kametani, T. A. Shibata, T. Sato, Alberto Baldisseri, Mihael Makek, T. Hester, E. Mannel, J. H. Kang, Y. Onuki, D. Kapukchyan, J. Huang, M. Konno, J. S. Haggerty, M. J. Tannenbaum, Jan Rak, C. P. Singh, B. M. Johnson, R. K. Choudhury, P. Tarján, Torsten Dahms, M. Boer, M. Wysocki, E. P. Hartouni, Marisilvia Donadelli, V. Bumazhnov, B. K. Schmoll, R. Lacey, E. J. Desmond, S. P. Sorensen, R. Granier de Cassagnac, A. Taranenko, B. Azmoun, Y. J. Mao, A. Král, François Fleuret, Ryugo S. Hayano, L. Zou, Hongfang Liu, D. E. Fields, B. Love, F. Staley, L. Baksay, A. Adare, N. A. Lewis, Y. Nakamiya, D. Lynch, D. Isenhower, Tamas Novak, T. Moon, L. Mašek, V. Jorjadze, S. Batsouli, S. Rembeczki, Charles Maguire, T. Horaguchi, C. Xu, H. Pei, Radek Novotny, R. Tanabe, D. Layton, M. McCumber, C. M. Camacho, Eun Joo Kim, G. Baksay, Prashant Shukla, A. Isupov, H. Sako, Y. Watanabe, A. Rakotozafindrabe, Y. Riabov, Kenta Shigaki, A. K. Purwar, V-N. Tram, Jong-Min Park, Taku Gunji, H. Gong, F. Kajihara, L. Aphecetche, Timothy Thomas Rinn, S. F. Pate, Y. H. Leung, W. C. Chang, D. E. Mihalik, D. Richford, Y. Tsuchimoto, Balazs Ujvari, S. Tarafdar, N. Grau, A. Dion, Shuo Han, A. G. Litvinenko, Y. S. Lai, Seong H. Kim, P.L. McGaughey, T. O. S. Haseler, H. Qu, Masamichi Ishihara, Agneta Oskarsson, D. Kincses, Y. Berdnikov, J. L. Klay, Barbara Jacak, H. Iinuma, Yuhei Morino, Takahiro Fusayasu, Alexander Malakhov, T. Elder, Qiao Xu, H. Al-Bataineh, D. Silvermyr, L. S. Zolin, Motoi Inaba, J. C. Hill, J. G. Lajoie, M. Alfred, T. Hachiya, Michael William Phipps, B. Komkov, Anne Marie Sickles, H. Themann, V. R. Loggins, J. T. Mitchell, Alice Mignerey, W. J. Park, M. Mishra, Brennan Schaefer, J. Sziklai, Brian Cole, S. Nagamiya, A. Basye, A. Sexton, G. Tarnai, N. Hotvedt, R. Seidl, Vladislav Manko, R. S. Towell, P. D. Barnes, A. Yanovich, Hideki Hamagaki, W. Fan, K. Aoki, M. Nguyen, I. E. Yushmanov, Mate Csanad, G. David, A. S. Nyanin, A. Yu. Semenov, Rushan Han, J. Gosset, Alexei Khanzadeev, A. Kozlov, A. Bagoly, Vladimir Samsonov, J. S. Bok, D. Ivanishchev, Norio Saito, A. Morreale, M. A. L. Leite, K. I. Hahn, Vaclav Vrba, A. Kravitz, R. A. Soltz, Klaus Johannes Reygers, V. Papavassiliou, I. Garishvili, F. Wei, Z. Rowan, M. Naglis, H. Nakagomi, T. Hoshino, S. Butsyk, Takao Sakaguchi, A. Sen, Shoichi Hasegawa, S. N. White, C. E. Perezlara, Eva Haslum, P. Yin, R. Seto, P. Liebing, E. Stenlund, S. Huang, T. Niida, N. N. Ajitanand, Christine Nattrass, K. Haruna, Minghui Liu, Xiaomei Li, G. D. N. Perera, S. H. Lim, C. L. Silva, M. Gonin, P. Rosnet, S. Zhou, A. Lebedev, Rachid Nouicer, Christian Klein-Boesing, T. W. Danley, A. P.T. Palounek, J. M. Durham, Senta Greene, H. Ge, K. Das, K. Fujiwara, G. R. Young, Takahiro Nakamura, K. Nakano, K. Shoji, Anand Kumar Dubey, A. D. Frawley, J. S. Kapustinsky, Kenjiro Miki, Bruno Lenzi, Yoshifumi Ueda, J. H. Do, E. Kistenev, V. Babintsev, Y. L. Yamaguchi, C. L. Towell, Susumu Sato, S. D. Rolnick, W. E. Sondheim, Frank Ellinghaus, A. Sukhanov, B. Fadem, V. Dzhordzhadze, A. Hadj Henni, K. Kurita, David D'Enterria, M. Tomášek, Xuan Li, J. Alexander, C. Ayuso, Susumu Oda, K. Boyle, P. A. Rukoyatkin, H. Pereira, W. Peng, P. W. Stankus, G. S. Kyle, C. L. Woody, A. Berdnikov, J. L. Nagle, W. Holzmann, X. He, C. Vale, H. A. Gustafsson, B. S. Chang, J. L. Charvet, A. Timilsina, M. Heffner, A. Durum, Kenneth Francis Read, T. Ichihara, Byung-Sik Hong, A. Bazilevsky, R. Belmont, E. O'Brien, J. Bryslawskyj, C. Y. Chi, V. Peresedov, Robert Vertesi, Beomkyu Kim, K. S. Sim, Paul Constantin, Wei Xie, C. O. Kim, S. Yokkaichi, K. Yamaura, Yasutada Akiba, R. Pak, K. B. Lee, H. W. Yu, I. Younus, C. Zhang, Koji Sato, H. Van Hecke, A. Kiss, P. Ružička, D. M. Lee, Dae-Hyeok Kim, T. Kempel, J. Koster, T. Nagashima, Henner Buesching, R. Yang, Y. Ikeda, M. Kurosawa, K. Kiriluk, M. Grosse Perdekamp, E. O. Lallow, A. Deshpande, J. H. Yoo, J. G. Boissevain, M. E. Connors, I. V. Sourikova, H. Masui, T. Majoros, Keiji Nagai, K. Imai, Viktor Riabov, D. Roach, N. Kamihara, A. A. Bickley, K. M. Kijima, S. K. Park, Tadaaki Isobe, A. Pun, J. P. Wessels, J. Seele, C. Pinkenburg, Sándor Lökös, C. P. Wong, K. N. Barish, S. Zharko, M. Stepanov, G. Roche, L. D. Liu, Kei Nagashima, V. Canoa Roman, W. A. Zajc, M. Ouchida, N. Means, P. Chung, J. Jin, V. Baublis, A. Denisov, V. Cianciolo, J. Asai, Y. Tomita, Sergey Fokin, M. L. Brooks, F. Matathias, Z. Ji, D. Winter, D. Yu Peressounko, Dennis Perepelitsa, Shingo Sakai, Malik, M. Slunečka, I. J. Choi, J. Imrek, Raphael Noel Tieulent, Ralf Peter Averbeck, A. V. Kazantsev, L. Tomášek, A. Drees, P. Mikeš, A. Soldatov, Y. Fukuda, T. C. Awes, Kyoichiro Ozawa, T. Liška, Jun Kikuchi, C. A. Ogilvie, T. K. Hemmick, Bhawani Singh, Yasuo Miake, K. DeBlasio, L. Kochenda, M. Issah, S. Vazquez-Carson, Don McGlinchey, S. Syed, K. Sakashita, S. Karthas, D. Kotov, Jason Kamin, S. P. Stoll, S. S.E. Rosendahl, G. Bunce, J.-G. Park, A. Churyn, D. Jouan, Alberica Toia, Y. J. Kwon, V. S. Pantuev, Kimberly Hill, K. Okada, B. Sahlmueller, H. En'yo, M. J. Leitch, M. J. Kweon, G. Mitsuka, J. E. Frantz, Herve Borel, A. Enokizono, A. Taketani, D. S. Jumper, Makoto Oka, I. Tserruya, V. L. Rykov, S. Belikov, K. S. Joo, N. Apadula, I. Ravinovich, V. Singh, R. Petti, S. Esumi, D. Sharma, T. Engelmore, R. Ichimiya, T. Koblesky, M. Bai, M. Sarsour, J. D. Osborn, Inseok Yoon, A. Glenn, P. V. Radzevich, R. Bennett, Zirui Wang, T. L.T. Thomas, M. Finger, S. Dairaku, Eunja Kim, O. Zaudtke, Christophe Pierre Suire, Alexander Milov, M. Virius, Manabu Togawa, I. Nakagawa, N. Novitzky, J. D. Orjuela Koop, D. Mukhopadhyay, O. Drapier, E. R. Kinney, D. P. Morrison, T. V. Moukhanova, Min-Hye Kim, S. Campbell, V. E. Semenov, Tatsuya Chujo, K. Dehmelt, Jen-Chieh Peng, Xiong Wang, Dong Jo Kim, J. Murata, Mirta Dumancic, A. Veicht, and Tae-Yeon Lee

Subjects
Quantum chromodynamics, Physics, Particle physics, 010308 nuclear & particles physics, Drell–Yan process, Parton, 01 natural sciences, Spectral line, Nuclear physics, 0103 physical sciences, Quark–gluon plasma, Rapidity, Invariant mass, Perturbation theory (quantum mechanics), 010306 general physics
Abstract

We report a measurement of e+e− pairs from semileptonic heavy-flavor decays in p+p collisions at sNN=200 GeV. The e+e− pair yield from bb¯ and cc¯ is separated by exploiting a double differential fit done simultaneously in dielectron invariant mass and pT. We used three different event generators, pythia, mc@nlo, and powheg, to simulate the e+e− spectra from cc¯ and bb¯ production. The data can be well described by all three generators within the detector acceptance. However, when using the generators to extrapolate to 4π, significant differences are observed for the total cross section. These difference are less pronounced for bb¯ than for cc¯. 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 pT, and within the statistical accuracy no nuclear modification is seen.

Published
2017

9. Scaling properties of fractional momentum loss of high-pThadrons in nucleus-nucleus collisions atsNNfrom 62.4 GeV to 2.76 TeV

Author

V. I. Kochetkov, Gerd Joachim Kunde, I. Shein, K. Sedgwick, Mihael Makek, Sung Keun Park, L. Guo, Y. Watanabe, N. N. Ajitanand, Alexei Khanzadeev, M. Tomášek, M. Rosati, Tamás Csörgő, Paul Constantin, G. D. N. Perera, A. Soldatov, Takahiro Nakamura, M. Grosse Perdekamp, G. S. Kyle, Shinichi Masumoto, E. Stenlund, M. E. Connors, S. Huang, Mate Csanad, A. A. Vinogradov, Susumu Oda, S. K. Park, A. Durum, Jiangyong Jia, M. Naglis, Y. Goto, H. Nakagomi, T. Hoshino, C. L. Silva, D. H. Kim, K. Yamaura, H. Sakata, J. M. Durham, J. H. Do, C. L. Towell, Susumu Sato, A. Yu. Semenov, A. Hadj Henni, M. Proissl, D. Kleinjan, D. Winter, D. Yu Peressounko, J. Bryslawskyj, I. Danchev, Dennis Perepelitsa, Byung-Sik Hong, Atsushi Takahara, P. Tarján, T. Niida, A. Lebedev, Beomkyu Kim, Wei Xie, Maya Hachiya Shimomura, A. Bazilevsky, Vardan Khachatryan, M. Nihashi, A. Meles, Yuhei Morino, Marisilvia Donadelli, V. Bumazhnov, M. P. Comets, S. Wolin, Y. I. Makdisi, Shunji Nishimura, K. A. Drees, N. Kamihara, T. E. Miller, T. Tabaru, T. Murakami, E. M. Takagui, David D'Enterria, F. Staley, Hongfang Liu, D. E. Fields, A. Deshpande, S. F. Pate, T. V. Moukhanova, Hiromi Iinuma, F. Matathias, R. Armendariz, Senta Greene, H. W. Yu, K. S. Sim, O. Dietzsch, K. Watanabe, Kei Nagashima, A. Baldisseri, Christian Klein-Boesing, M. McCumber, A. K. Purwar, Byoungchoo Park, R. P. Pisani, J. Rak, R. Belmont, R. Tanabe, S. Bathe, A. Drees, S. Yokkaichi, G. W. Kim, P. Chung, B. E. Norman, D. M. Lee, E. T. Atomssa, H. Valle, H. Van Hecke, J. Imrek, Agneta Oskarsson, I. J. Choi, B. Xia, M. J. Tannenbaum, Alberica Toia, Tae-Yeon Lee, Dipanwita Dutta, Robert F. Hobbs, E. O'Brien, B. K. Schmoll, S. Takagi, Raphael Noel Tieulent, Min-Hye Kim, Junji Tojo, J. Klatsky, J. B. Choi, C. Gal, J. Kubart, J. L. Klay, M. N. Wagner, W. S. Emam, Y. Berdnikov, M. Kawashima, Y. Fukao, A. Shevel, K. Kiriluk, Y. Ikeda, J. G. Boissevain, Masashi Kaneta, S. H. Lee, Y. Akiba, Anand Kumar Dubey, Barbara Jacak, S. Dairaku, Julia Velkovska, S. Kanda, Yongsun Kim, E. Tennant, S. Rembeczki, C. Silvestre, C. McKinney, S. V. Afanasiev, Martin Purschke, H. Sako, Rushan Han, M. Mishra, Brennan Schaefer, S. Nagamiya, T. Hester, R. S. Hollis, P. W. Stankus, E. P. Hartouni, Y. J. Kwon, M. Chiu, Ajit Kumar Mohanty, Z. Rowan, Tomoya Tsuji, T. A. Shibata, M. B. Deaton, M. K. Mitrovski, L. Aphecetche, C. A. Aidala, M. Mendoza, T. Sato, C. Baumann, S. Kametani, N. S. Bandara, Kensuke Homma, B. Kimelman, Vladimir Samsonov, Christine Nattrass, S. N. White, R. Akimoto, M. Patel, Y. Tanaka, E. Mannel, R. Yang, H. Hiejima, X. Jiang, C. Pinkenburg, C. P. Singh, N. A. Sparks, Christophe Pierre Suire, Alexander Milov, I. Nakagawa, R. Luechtenborg, Young-Ki Kim, T. Engelmore, N. Novitzky, K. N. Barish, C. A. Ogilvie, Kisung Lee, T. K. Hemmick, Bhawani Singh, M. K. Lee, K. Imai, Vaclav Vrba, Klaus Johannes Reygers, Astrid Morreale, Rui Wei, O. Zaudtke, J. S. Kang, K. O. Eyser, D. Isenhower, Tamas Novak, T. Moon, L. Mašek, D. Kotchetkov, A. Kiss, B. J. Ramson, Yasuo Miake, O. Drapier, V-N. Tram, N. Grau, Y. Onuki, M. Leitgab, Shuo Han, Johannes Peter Wessels, M. Stepanov, G. Roche, A. Iordanova, J. Murata, Zvi Hirsh Citron, M. Javani, Nagahiro Saito, P. Montuenga, C. R. Cleven, I. Younus, C. Haegemann, Y. Inoue, Tomofumi Nagae, J. L. Nagle, Yu. Efremenko, C. L. Woody, A. Berdnikov, B. M. Johnson, E. R. Kinney, Filip Krizek, V. S. Pantuev, S. Sawada, P. Castera, H. Ge, K. Das, Z. Yasin, Henner Buesching, Peter Christiansen, M. Sano, Steve Edwards, K. Nakano, E. Richardson, S. Chernichenko, J. H. Kang, Y. Miyachi, Motoi Inaba, J. C. Hill, J. S. Haggerty, Z. Fraenkel, S. R. Lee, J. Hamblen, H. Kanou, Torsten Dahms, H. J. Moon, A. Romana, R. Lacey, D. P. Morrison, K. DeBlasio, T. Kempel, L. Baksay, R. M. Wright, Jong-Min Park, Taku Gunji, H. Gong, S. Campbell, K. B. Kim, J. Ying, A. Franz, F. Kajihara, B. H. Kang, A. Isupov, A. Basye, M. Virius, L. Kochenda, M. Issah, Manabu Togawa, R. Granier de Cassagnac, M. S. Daugherity, W. E. Sondheim, A. Adare, X. Gong, Shoichi Hasegawa, H. Delagrange, R. K. Choudhury, B. Bassalleck, K. Okada, Steven E. Skutnik, Eun Joo Kim, Ferdinando Giordano, Charles Maguire, B. Sahlmueller, H. En'yo, R. Pinson, Don McGlinchey, B. Azmoun, Y. J. Mao, V. E. Semenov, Y. Komatsu, S. Choi, S. Butsyk, A. Král, J. Sziklai, L. A. Linden Levy, M. J. Leitch, M. J. Kweon, T. O. S. Haseler, S. Sano, K. Boyle, P. A. Rukoyatkin, H. Al-Ta'Ani, Tatsuya Chujo, J. D. Orjuela Koop, H. Qu, P. B. Diss, S. Zhou, P. Rosnet, S. D. Rolnick, S. Taneja, Petr Gallus, Osamu Jinnouchi, Brian Cole, R. S. Towell, K. Fujiwara, K. Sakashita, D. Kotov, C. H. Chen, M. Konno, B. Komkov, Kenjiro Miki, Y. S. Lai, K. Karatsu, K. Dehmelt, Hideki Hamagaki, K. Aoki, M. Vargyas, G. David, T. Todoroki, K. I. Hahn, Bruno Lenzi, E. Kistenev, Y. L. Yamaguchi, D. Mukhopadhyay, Frank Ellinghaus, Matthew G. Reuter, Takahiro Fusayasu, I. Garishvili, Akio Kiyomichi, Jen-Chieh Peng, F. Wei, Dmitry Blau, Y. Hori, Anne Marie Sickles, A. Manion, E. Leitner, H. Themann, K. Gainey, J. Egdemir, Jason Kamin, J. Huang, S. Mizuno, Tsutomu Mibe, M. A. L. Leite, E. J. Desmond, J. Hanks, Bum-Hoon Lee, Alexander Malakhov, J. S. Bok, I. Ravinovich, D. Reynolds, P. Kline, K. S. Lee, A. Dion, E. Vazquez-Zambrano, N. Kurihara, A. Nederlof, Y. Nakamiya, D. Lynch, H. Harada, A. Garishvili, Y. Nagata, S. P. Stoll, J. Ide, Prakhar Garg, M. Wysocki, D. Silvermyr, Inkyu Park, A. Rakotozafindrabe, S. H. Lim, M. Kasai, M. Bai, Y. Tsuchimoto, B. Bannier, G. R. Young, M. Gonin, Xiong Wang, E. C. Aschenauer, J. Chiba, L. S. Zolin, I. E. Yushmanov, Animesh Datta, T. Sumita, J. S. Kapustinsky, S. S.E. Rosendahl, G. Bunce, Alice Mignerey, J.-G. Park, L. D'Orazio, S. Miyasaka, C. Y. Chi, G. Baksay, W. J. Park, Christopher Rosen, C. M. Camacho, Prashant Shukla, Pawan Kumar Netrakanti, I. V. Sourikova, V. Babintsev, Dong Jo Kim, P. Liebing, P. D. Barnes, A. Yanovich, Aaron White, M. Beaumier, S. Belikov, K. S. Joo, K. Shoji, A. Churyn, Ke. Nakamura, A. Sukhanov, K. Kurita, Takao Sakaguchi, A. Sen, M. L. Brooks, M. Kurosawa, D. Hornback, Matthew Snowball, J. H. Yoo, J. D. Osborn, H. Al-Bataineh, Inseok Yoon, Zhiying You, D. K. Mishra, D. Jouan, A. D. Frawley, J. G. Rubin, B. Meredith, J. A. Key, R. Bennett, J. Sun, B. Lewis, S. H. Aronson, T. L.T. Thomas, C. O. Kim, N. Apadula, S. Motschwiller, R. Pak, A. Veicht, X. He, J. Zimamyi, S. Tarafdar, M. Finger, John Wood, H. A. Torii, D. Ivanishchev, V. Papavassiliou, W. Holzmann, H. F. Hamilton, J. E. Frantz, Jongmin Lee, I. Tserruya, Toru Sugitate, L. D. Isenhower, S. Kaneti, S. P. Sorensen, Sébastien Gadrat, D. Pal, Dylan Walker, J. Jin, A. Vossen, R. Petti, M. Jezghani, O. O. Omiwade, O. Chvala, Seong H. Kim, J. T. Mitchell, V. Singh, J. G. Lajoie, M. Alfred, T. Hachiya, S. Esumi, S. Lee, Jennifer E. Perry, A. Enokizono, Y. Aramaki, D. Sharma, R. Ichimiya, François Fleuret, A. Kravitz, N. Hotvedt, R. Seidl, Hiroaki Ohnishi, K. B. Lee, T. Koblesky, Vladislav Manko, A. Taketani, Priyanka Sett, H. Asano, V. Peresedov, Robert Vertesi, D. S. Jumper, Makoto Oka, M. Sarsour, V. L. Rykov, L. Ding, S. Mioduszewski, D. Roach, K. M. Kijima, J. Gosset, H. Pei, Eva Haslum, K. Hashimoto, A. Glenn, Xingguo Li, C. Vale, J. Koster, Eunja Kim, B. S. Chang, A. Timilsina, Timothy Thomas Rinn, H. J. Kim, H. Masui, A. Ster, N. Feege, A. A. Bickley, J. Newby, A. Mwai, B. Love, Tadaaki Isobe, A. G. Litvinenko, M. Slunečka, A. Taranenko, J. L. Charvet, A. Sexton, T. Horaguchi, P. L. McGaughey, A. Kozlov, R. Seto, K. Haruna, T. W. Danley, S. Beckman, Ralf Peter Averbeck, J. Seele, B. Fadem, V. Dzhordzhadze, L. Zou, M. Ouchida, S. Baumgart, Masamichi Ishihara, N. Means, Minghui Liu, J. Asai, M. Heffner, Kenneth Francis Read, H. Pereira, Shingo Sakai, T. Ichihara, A. V. Kazantsev, L. Tomášek, Ryugo S. Hayano, P. Mikeš, Y. Riabov, Kenta Shigaki, M. Nguyen, A. S. Nyanin, Rachid Nouicer, A. N. Zelenski, L. Patel, T. C. Awes, Kyoichiro Ozawa, T. Liška, Jun Kikuchi, Serpil Yalcin, Aaron Angerami, W. A. Zajc, L. Xue, V. Baublis, A. Denisov, Yuki Watanabe, V. Cianciolo, Sergey Fokin, S. Batsouli, K. V. Dharmawardane, R. A. Soltz, R. Kitamura, A. P.T. Palounek, J. Alexander, H. A. Gustafsson, S. R. P. Mohapatra, C. Zhang, P. Ružička, H. Borel, Viktor Riabov, M. I. Nagy, D. Watanabe, Marcus Hohlmann, M. D. Malik, E. Vznuzdaev, D. Kawall, and K. Tanida

Subjects
Quark, Physics, Particle physics, 010308 nuclear & particles physics, Hadron, Parton, 16. Peace & justice, 7. Clean energy, 01 natural sciences, 0103 physical sciences, High Energy Physics::Experiment, Rapidity, Nuclear Experiment, 010306 general physics, Centrality, Relativistic Heavy Ion Collider, Glauber, Energy (signal processing)
Abstract

Measurements of the fractional momentum loss $({S}_{\mathrm{loss}}\ensuremath{\equiv}\ensuremath{\delta}{p}_{T}/{p}_{T})$ of high-transverse-momentum-identified hadrons in heavy-ion collisions are presented. Using ${\ensuremath{\pi}}^{0}$ in $\mathrm{Au}+\mathrm{Au}$ and $\mathrm{Cu}+\mathrm{Cu}$ collisions at $\sqrt{{s}_{{}_{NN}}}=62.4$ and 200 GeV measured by the PHENIX experiment at the Relativistic Heavy Ion Collider and and charged hadrons in $\mathrm{Pb}+\mathrm{Pb}$ collisions measured by the ALICE experiment at the Large Hadron Collider, we studied the scaling properties of ${S}_{\mathrm{loss}}$ as a function of a number of variables: the number of participants, ${N}_{\mathrm{part}}$, the number of quark participants, ${N}_{\mathrm{qp}}$, the charged-particle density, $d{N}_{\mathrm{ch}}/d\ensuremath{\eta}$, and the Bjorken energy density times the equilibration time, ${\ensuremath{\varepsilon}}_{\mathrm{Bj}}{\ensuremath{\tau}}_{0}$. We find that the ${p}_{T}$, where ${S}_{\mathrm{loss}}$ has its maximum, varies both with centrality and collision energy. Above the maximum, ${S}_{\mathrm{loss}}$ tends to follow a power-law function with all four scaling variables. The data at $\sqrt{{s}_{{}_{NN}}}=200$ GeV and 2.76 TeV, for sufficiently high particle densities, have a common scaling of ${S}_{\mathrm{loss}}$ with $d{N}_{\mathrm{ch}}/d\ensuremath{\eta}$ and ${\ensuremath{\varepsilon}}_{\mathrm{Bj}}{\ensuremath{\tau}}_{0}$, lending insight into the physics of parton energy loss.

Published
2016

10. Transverse energy production and charged-particle multiplicity at midrapidity in various systems fromsNN=7.7to 200 GeV

Author

I. Garishvili, Akio Kiyomichi, F. Wei, N. Kurihara, Animesh Datta, T. Sumita, M. G. Hur, M. Kurosawa, J. H. Yoo, B. Lewis, J. M. Burward-Hoy, C. Baumann, S. Kametani, C. P. Singh, S. Hayashi, D. Pal, J. Jin, B. M. Johnson, Filip Krizek, K. Dehmelt, A. Isupov, J. Sziklai, Brian Cole, Mate Csanad, Jen-Chieh Peng, B. Voas, K. O. Eyser, Y. Onuki, J. L. Charvet, P. Tarján, Y. J. Mao, A. Král, S. Takagi, H. Van Hecke, S. Bathe, A. Nukariya, D. Reynolds, Inkyu Park, Xiong Wang, Z. Conesa del Valle, Dong Jo Kim, Y. Ikeda, T. Murakami, E. M. Takagui, R. Lacey, Atsushi Takahara, I. Ravinovich, M. Nihashi, Kensuke Homma, E. Richardson, K. N. Barish, Shunji Nishimura, M. Gonin, M. Patel, X. Jiang, Ryugo S. Hayano, J. G. Boissevain, T. E. Miller, Tadaaki Isobe, R. Granier de Cassagnac, A. Adare, J. S. Chai, Robert F. Hobbs, Min-Hye Kim, Y. Le Bornec, Masashi Kaneta, Alberica Toia, C. Silvestre, S. Chernichenko, R. A. Soltz, David D'Enterria, N. Crossette, H. Lim, A. Veicht, Charles Maguire, A. Kiss, M. Naglis, Y. Nagata, B. Bassalleck, Yuhei Morino, Steven Kelly, K. A. Drees, J. Rak, Y. Riabov, S. Sano, Kei Nagashima, R. P. Pisani, M. Bai, H. Nakagomi, M. Skolnik, T. Hoshino, G. W. Kim, P. Chung, A. Denisov, Marisilvia Donadelli, Kenta Shigaki, M. Konno, Torsten Dahms, M. Slunečka, V. Bumazhnov, M. P. Comets, J. Klatsky, D. Black, E. C. Aschenauer, R. Akimoto, S. S. Ryu, Hari Guragain, J. Imrek, M. Holmes, C. L. Silva, D. H. Kim, S. Sawada, K. Hasuko, Z. Yasin, B. Azmoun, G. C. Mishra, J. Ying, A. Franz, Christophe Pierre Suire, Alexander Milov, I. Nakagawa, P. L. McGaughey, M. Nguyen, Young-Ki Kim, Henner Buesching, Raphael Noel Tieulent, Nikolay Tyurin, T. Engelmore, N. Novitzky, Jihyun Bhom, J. B. Choi, W. S. Emam, Y. Nakamiya, D. Lynch, M. N. Wagner, M. Kawashima, Steve Edwards, S. Tarafdar, H. Pei, J. Chiba, Alice Mignerey, A. Sukhanov, K. Kurita, K. S. Sim, T. Tabaru, Y. Gu, H. Asano, R. S. Towell, Prashant Shukla, H. Kanou, Jong-Min Park, S. F. Pate, Y. Fukao, Y. J. Kwon, J. Alexander, Taku Gunji, H. Gong, M. I. Nagy, M. S. Daugherity, H. Pereira, F. Kajihara, A. S. Nyanin, G. Baksay, A. Shevel, A. Basye, Junji Tojo, C. Pinkenburg, O. Drapier, Frank Ellinghaus, Matthew Snowball, J. D. Osborn, Inseok Yoon, Zhiying You, S. Beckman, Eun Joo Kim, R. S. Hollis, Ferdinando Giordano, Ke. Nakamura, E. P. Hartouni, R. Bennett, H. Al-Bataineh, H. Delagrange, R. Tanabe, Y. Komatsu, B. Love, M. T. Bjorndal, T. Hester, L. D'Orazio, M. R. Stone, S. Miyasaka, R. Yang, J. A. Key, S. Butsyk, Rachid Nouicer, D. Watanabe, A. N. Zelenski, Hiromi Iinuma, H. Hiejima, D. S. Brown, Marcus Hohlmann, S. W. Nam, Ralf Peter Averbeck, S. Motschwiller, E. R. Kinney, Marie Germain, S. Zhou, Ahmed Al-Jamel, T. L.T. Thomas, M. Finger, W. C. Smith, J. M. Durham, H. A. Gustafsson, D. P. Morrison, J. E. Frantz, D. Ivanishchev, Jongmin Lee, S. D. Rolnick, Y. S. Kim, B. Komkov, M. D. Malik, X. Gong, Pawan Kumar Netrakanti, E. Vznuzdaev, V. Papavassiliou, Sébastien Gadrat, C.Y. Chi, Joakim Nystrand, J. H. Do, A. Iordanova, C. L. Towell, Susumu Sato, C. O. Kim, Senta Greene, J. T. Mitchell, K. Imai, Ajit Kumar Mohanty, S. Campbell, T. A. Shibata, M. Stepanov, G. Roche, T. Sato, Laurent Bernard Aphecetche, L. Zou, A. G. Litvinenko, P. Kline, K. S. Lee, Herve Borel, A. Dion, S. Taneja, Eva Haslum, B. H. Kang, J. Murata, V. E. Semenov, N. Hotvedt, R. Seidl, R. Pak, Aaron White, Norio Saito, Tsutomu Mibe, M. A. L. Leite, Hideyuki Oide, J. Huang, Bum-Hoon Lee, S. Solano, A. Isinhue, Vladislav Manko, S. Baumgart, A. Enokizono, D. Isenhower, Masamichi Ishihara, P. K. Khandai, M. K. Dayananda, Prakhar Garg, Margaret Harvey, A. Taketani, Priyanka Sett, K. Karatsu, Tamas Novak, T. Moon, L. Mašek, M. Wysocki, B. Bannier, V-N. Tram, N. Grau, M. K. Lee, Y. Hori, Anne Marie Sickles, H. Al-Ta'Ani, Tatsuya Chujo, I. Tserruya, J. Gosset, H. Themann, K. Gainey, Minghui Liu, Takao Sakaguchi, A. Sen, L. Guo, J. L. Klay, Alexei Khanzadeev, Barbara Jacak, D. S. Jumper, M. Leitgab, Shinichi Masumoto, Shuo Han, L. A. Linden Levy, S. Kaneti, Makoto Oka, S. P. Sorensen, M. S. Ryu, S. H. Lim, V. L. Rykov, B. E. Norman, J. P. Sullivan, J. P. Wessels, J. Seele, J. S. Kang, M. Heffner, A. Ster, N. Feege, Kenneth Francis Read, Rushan Han, M. N. Hagiwara, E. Stenlund, M. Jezghani, V. Singh, S. Huang, Timothy Thomas Rinn, H. J. Kim, Dylan Walker, R. Belmont, C. Vale, B. S. Chang, J. S. Bok, S. R. P. Mohapatra, T. Niida, E. O'Brien, Motoi Inaba, J. C. Hill, S. Dairaku, P. Liebing, T. Ichihara, N. S. Bandara, J. S. Kapustinsky, S. V. Afanasiev, H. Sakata, H. Sako, R. M. Wright, C. Zhang, A. Lebedev, A. Timilsina, Toshiki Maruyama, Christine Angela Aidala, J. Newby, O. Chvala, V. Babintsev, O. Zaudtke, M. Tomášek, M. Rosati, X. H. Li, Paul Constantin, Franz E. Bauer, T. Koblesky, M. Beaumier, M. Ouchida, S. Belikov, K. S. Joo, A. V. Kazantsev, Vladimir Samsonov, I. Otterlund, Christine Nattrass, A. Bazilevsky, K. Sakashita, Tamás Csörgő, A. D. Frawley, M. C. McCain, G. S. Kyle, N. Willis, N. Means, D. K. Mishra, P. Ružička, M. Virius, J. Asai, Manabu Togawa, V. S. Pantuev, Byung-Sik Hong, M. Sarsour, J. G. Lajoie, M. Grosse Perdekamp, J. G. Rubin, X. Bai, Y. Watanabe, L. Tomášek, G. R. Young, D. Kotov, J. Sun, M. Alfred, T. Hachiya, P. Mikeš, M. Sano, Agneta Oskarsson, S. Lee, J. Egdemir, Jennifer E. Perry, N. Apadula, M. E. Connors, Bruno Espagnon, H. W. Yu, Shingo Sakai, S. H. Aronson, S. K. Park, Viktor Riabov, Shoichi Hasegawa, J. D. Orjuela Koop, C. H. Chen, D. Mukhopadhyay, G. David, A. Vossen, Tomofumi Nagae, J. L. Nagle, L. Patel, S. Leckey, A. Shaver, A. Kravitz, Sung Keun Park, A. Taranenko, J. Hamblen, A. A. Vinogradov, D. M. Lee, Hiroaki Ohnishi, K. B. Lee, Henrik Tydesjö, S. P. Whitaker, A. Manion, S. H. Lee, Serpil Yalcin, G. H. Lee, Y. Cobigo, C. McKinney, S. Choi, P. Castera, A. Glenn, Hirohiko Sato, S. Yokkaichi, S. K. Tuli, J. M. Heuser, R. Petti, M. Mishra, Brennan Schaefer, S. Nagamiya, S. J. Jeon, Kazuhiro Tanaka, A. Soldatov, J. Bryslawskyj, Jiangyong Jia, Y. Goto, T. Horaguchi, Y. Sekiguchi, T. C. Awes, Kyoichiro Ozawa, T. Liška, Josh Moss, Aaron Angerami, D. Kawall, Jun Kikuchi, K. Tanida, N. N. Ajitanand, Vaclav Vrba, Klaus Johannes Reygers, Astrid Morreale, Jason Kamin, T. V. Moukhanova, S. Esumi, Eunja Kim, Kenjiro Miki, H. Obayashi, David Olle Rickard Silvermyr, Bruno Lenzi, Rui Wei, W. Holzmann, H. F. Hamilton, D. Sharma, E. Kistenev, Maya Hachiya Shimomura, V. I. Kochetkov, C. L. Woody, Vardan Khachatryan, A. Berdnikov, W. A. Zajc, Yu. Efremenko, M. Proissl, P. Rosnet, L. Ding, Dmitry Blau, S. Mioduszewski, M. Kofarago, D. Kleinjan, L. Xue, K. Fujiwara, R. Ichimiya, D. Winter, D. Yu Peressounko, Y. I. Makdisi, D. Roach, K. M. Kijima, P. Lichtenwalner, G. D. N. Perera, V. Baublis, Yuki Watanabe, Y. L. Yamaguchi, V. Cianciolo, Zvi Hirsh Citron, Dennis Perepelitsa, H. Harada, K. Hashimoto, S. P. Stoll, E. J. Desmond, Sergey Fokin, J. H. Kang, Y. Miyachi, A. Caringi, J. S. Haggerty, Takahiro Nakamura, Tae-Yeon Lee, S. R. Lee, A. Romana, Xingguo Li, Gerd Joachim Kunde, Martin Purschke, F. Gastineau, S. Mizuno, I. Shein, K. Okada, T. W. Jones, Petr Gallus, J. Hanks, M. B. Deaton, E. Vazquez-Zambrano, A. Nederlof, B. Sahlmueller, Y. Berdnikov, O. Dietzsch, A. Garishvili, A. Hadj Henni, I. Danchev, E. T. Atomssa, Gary Grim, H. Valle, K. Sedgwick, H. En'yo, I. V. Sourikova, Dipanwita Dutta, S. Batsouli, K. V. Dharmawardane, A. Rakotozafindrabe, Y. Tanaka, Susumu Oda, E. Mannel, T. K. Shea, J. L. Drachenberg, Alberto Baldisseri, Mihael Makek, C. Gal, M. J. Leitch, M. J. Kweon, Julia Velkovska, Y. S. Lai, D. Kotchetkov, Beomkyu Kim, M. Javani, T. Shohjoh, M. Kasai, Y. Tsuchimoto, Y. Iwanaga, S. S.E. Rosendahl, M. J. Tannenbaum, H. J. Moon, F. Staley, L. Baksay, Wei Xie, A. Deshpande, A. Durum, M. Moskowitz, I. E. Yushmanov, G. Bunce, R. Kitamura, Z. Fraenkel, B. K. Schmoll, J.-G. Park, N. Cronin, A. P.T. Palounek, E. Tennant, I. J. Choi, S. Rembeczki, B. Xia, R. K. Choudhury, D. Bucher, K. Yamaura, A. Meles, Osamu Jinnouchi, P. Steinberg, Matthew G. Reuter, Takahiro Fusayasu, I. D. Ojha, Alexander Malakhov, L. S. Zolin, W. J. Park, Christopher Rosen, P. D. Barnes, A. Yanovich, Z. Rowan, Tomoya Tsuji, M. Mendoza, M. L. Brooks, S. N. White, Deepa Thomas, H. Ge, K. Das, K. Nakano, K. B. Kim, W. E. Sondheim, K. Boyle, P. A. Rukoyatkin, D. Hornback, S. Y. Fung, A. Churyn, D. Danley, B. Meredith, Hongfang Liu, D. E. Fields, H. A. Torii, Toru Sugitate, L. D. Isenhower, D. Jouan, M. McCumber, A. K. Purwar, N. Riveli, François Fleuret, B. Forestier, M. Chiu, M. K. Mitrovski, C. A. Ogilvie, T. K. Hemmick, Bhawani Singh, B. J. Ramson, Yasuo Miake, K. DeBlasio, L. Kochenda, M. Issah, R. Pinson, Y. Akiba, Don McGlinchey, T. Kawagishi, S. Wolin, K. Watanabe, Christian Klein-Boesing, N. Kamihara, Aram Kim, F. Matathias, R. Armendariz, Byoungchoo Park, K. Shoji, Anand Kumar Dubey, C. Oakley, A. Drees, J. Kubart, S. Kanda, Yongsun Kim, P. W. Stankus, B. Kimelman, J. Midori, P. Montuenga, C. R. Cleven, I. Younus, C. Haegemann, Y. Inoue, Peter Christiansen, P. J. Kroon, T. Kempel, Y. Imazu, Steven E. Skutnik, T. O. S. Haseler, H. Qu, P. B. Diss, Hideki Hamagaki, K. Aoki, M. Vargyas, T. Todoroki, K. I. Hahn, A. Sexton, A. Kozlov, R. Seto, K. Haruna, B. Fadem, V. Dzhordzhadze, X. He, J. Zimamyi, O. O. Omiwade, Y. Aramaki, V. Peresedov, Robert Vertesi, J. Koster, H. Masui, A. A. Bickley, and A. Mwai

Subjects
Physics, Particle physics, 010308 nuclear & particles physics, Critical phenomena, Constituent quark, Kinetic energy, 01 natural sciences, Charged particle, Nuclear physics, 0103 physical sciences, High Energy Physics::Experiment, Rapidity, Multiplicity (chemistry), Nuclear Experiment, 010306 general physics, Nucleon, Glauber
Abstract

Measurements of midrapidity charged particle multiplicity distributions, $dN_{\rm ch}/d\eta$, and midrapidity transverse-energy distributions, $dE_T/d\eta$, are presented for a variety of collision systems and energies. Included are distributions for Au$+$Au collisions at $\sqrt{s_{_{NN}}}=200$, 130, 62.4, 39, 27, 19.6, 14.5, and 7.7 GeV, Cu$+$Cu collisions at $\sqrt{s_{_{NN}}}=200$ and 62.4 GeV, Cu$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV, U$+$U collisions at $\sqrt{s_{_{NN}}}=193$ GeV, $d$$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV, $^{3}$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV, and $p$$+$$p$ collisions at $\sqrt{s_{_{NN}}}=200$ GeV. Centrality-dependent distributions at midrapidity are presented in terms of the number of nucleon participants, $N_{\rm part}$, and the number of constituent quark participants, $N_{q{\rm p}}$. For all $A$$+$$A$ collisions down to $\sqrt{s_{_{NN}}}=7.7$ GeV, it is observed that the midrapidity data are better described by scaling with $N_{q{\rm p}}$ than scaling with $N_{\rm part}$. Also presented are estimates of the Bjorken energy density, $\varepsilon_{\rm BJ}$, and the ratio of $dE_T/d\eta$ to $dN_{\rm ch}/d\eta$, the latter of which is seen to be constant as a function of centrality for all systems.

Published
2016

11. Measurements of Elliptic and Triangular Flow in High-MultiplicityHe3+AuCollisions atsNN=200 GeV

Author

H. Themann, Y. Nagata, B. Azmoun, A. Král, M. J. Kweon, Dmitry Blau, V. I. Kochetkov, M. Bai, E. C. Aschenauer, E. J. Desmond, R. S. Towell, J. Murata, I. Garishvili, Akio Kiyomichi, F. Wei, M. Togawa, E. Vazquez-Zambrano, M. Tomášek, J. D. Osborn, Gerd Joachim Kunde, Maya Hachiya Shimomura, Inseok Yoon, Zhiying You, J. Park, R. S. Hollis, R. Bennett, P. Tarján, M. Kawashima, G. S. Kyle, A. Rakotozafindrabe, F. Matathias, Kensuke Homma, N. Kurihara, I. Shein, M. Oka, M. Finger, A. Sen, V. S. Pantuev, P. Kline, K. S. Lee, M. Ouchida, James Alexander, A. V. Kazantsev, E. Richardson, P. Constantin, M. Kasai, N. Means, Sung Keun Park, T. Sumita, C. Y. Chi, Charles Maguire, Y. I. Makdisi, J. Hamblen, J. Asai, T. Sodre, K. Sedgwick, Y. Tsuchimoto, Y. Iwanaga, N. N. Ajitanand, K. S. Sim, R. Averbeck, Byung-Sik Hong, A. Bazilevsky, C. Harper, Mihael Makek, Jongmin Lee, S. Dairaku, S. Hasegawa, I. E. Yushmanov, O. Zaudtke, V. Dzhordzhadze, S. Chernichenko, B. Bassalleck, M. Virius, E. T. Atomssa, P. Liebing, J. D. Orjuela Koop, C. H. Chen, T. Tabaru, A. Manion, K. Okada, N. S. Bandara, S. Butsyk, G. D. N. Perera, S. P. Sorensen, A. Deshpande, Takahiro Nakamura, Shingo Sakai, A. Hadj Henni, D. McGlinchey, Eun-Hee Kim, Susumu Oda, H. En'yo, M. J. Leitch, Junji Tojo, Y. Kwon, M. Konno, L. Tomášek, P. Mikeš, Dylan Walker, M. S. Daugherity, C. P. Singh, M. Beaumier, Philippe Rosnet, Alexandre Lebedev, Kiyoshi Tanida, B. M. Johnson, A. Yu. Semenov, J. Gosset, M. Sarsour, Mate Csanad, A. Iordanova, O. Chvala, A. Durum, J. Bryslawskyj, R. J. Petti, A. Taketani, V. L. Rykov, T. Dahms, Z. Yasin, Henner Buesching, Steve Edwards, K. S. Joo, D. M. Lee, Vladimir Samsonov, Christine Nattrass, T. Todoroki, A. Isupov, C. Suire, Seong H. Kim, S. Y. Han, Senta Greene, Y. Watanabe, J. Sziklai, Catherine Micaela Silvestre, K. Yamaura, A. Meles, C. L. Woody, A. Berdnikov, L. Patel, Beomkyu Kim, Wei Xie, M. Stepanov, L. Guo, Alexei Khanzadeev, J. G. Lajoie, E. Stenlund, R. Yang, H. Hiejima, S. Taneja, Gary Grim, M. Alfred, T. Hachiya, A. Caringi, Y. Nakamiya, D. Lynch, Brian Cole, K. Kiriluk, E. Kistenev, M. K. Lee, X. Gong, I. Younus, M. Kurosawa, T. C. Awes, Kyoichiro Ozawa, T. Liška, C. Baumann, J. B. Choi, H. Sakata, M. Nihashi, A. T. Basye, K. V. Dharmawardane, Petr Gallus, Jennifer E. Perry, D. Danley, Hongfang Liu, J. S. Kang, Jun Kikuchi, Marcus Hohlmann, S. Tarafdar, A. Vossen, K. Imai, Saskia Mioduszewski, G. Baksay, Hai Yu, M. Snowball, A. Kravitz, Dipak Kumar Mishra, David D'Enterria, Tadaaki Isobe, Tamas Ferenc Csorgo, B. E. Norman, J. L. Nagle, B. Fadem, E. O'Brien, D. John, P. Castera, K. R. Andrews, D. E. Fields, Ajit Kumar Mohanty, A. Soldatov, N. Novitzky, T. A. Shibata, C. L. Silva, B. V. Jacak, R. P. Pisani, M. Savastio, L. A. Linden Levy, I. V. Sourikova, H. Iinuma, P. Lichtenwalner, M. J. Tannenbaum, T. Sato, S. Esumi, I. J. Choi, T. L. Thomas, X. Jiang, Hiroaki Ohnishi, K. B. Lee, R. A. Soltz, H. Borel, A. P.T. Palounek, J. H. Bhom, M. McCumber, R. Ichimiya, Tae-Yeon Lee, M. Naglis, H. Nakagomi, T. Hoshino, J. Jin, K. O. Eyser, A. K. Purwar, Eva Haslum, B. Lenzi, Martin Purschke, B. Sahlmueller, Y. J. Kim, K. Fujiwara, Y. Onuki, Ryugo S. Hayano, Y. Riabov, J. Hanks, P. L. McGaughey, B. Xia, S. Afanasiev, Jan Rak, D. Isenhower, A. Toia, O. Dietzsch, H. Valle, T. Moon, Y. L. Yamaguchi, Dipanwita Dutta, C. Gal, L. Aphecetche, M. N. Wagner, Y. Fukao, A. Shevel, Pawan Kumar Netrakanti, D. Broxmeyer, T. Hester, Masayasu Ishihara, J. H. Do, M. Chiu, S. Beckman, C. L. Towell, J. T. Mitchell, H. Torii, B. K. Schmoll, A. Ster, N. Feege, Y. Miyachi, D. Roach, K. M. Kijima, R. Lacey, R. Granier de Cassagnac, A. Morreale, Kenta Shigaki, L. Mašek, M. Nguyen, A. S. Nyanin, A. Adare, B. Kimelman, M. Grosse Perdekamp, S. Mizuno, S. Yokkaichi, Julia Velkovska, M. Rosati, N. Hotvedt, R. Seidl, H. A. Gustafsson, C. Zhang, T. V. Moukhanova, Y. Ikeda, Z. Fraenkel, V. Khachatryan, Hiroyuki Sako, F. Giordano, M. E. Connors, Atsushi Takahara, S. K. Park, K. Hashimoto, Vladislav Manko, F. Staley, Marisilvia Donadelli, V. Bumazhnov, M. P. Comets, Rachid Nouicer, H. W. Van Hecke, A. Dion, L. Zou, M. Slunečka, A. N. Zelenski, M. Proissl, P. Ružička, J. G. Boissevain, V-N. Tram, A. Kim, Jaehyeok Yoo, D. Mukhopadhyay, R. K. Choudhury, N. Grau, Shunji Nishimura, T. Rinn, Masashi Kaneta, A. A. Vinogradov, Xingguo Li, S. W. Nam, R. Vértesi, D. Hornback, E. Tennant, S. Rembeczki, Motoi Inaba, K. A. Drees, S. Belikov, Min Soo Kim, J. L. Charvet, S. Bathe, R. Akimoto, Minghui Liu, M. Gonin, D. Sharma, R. M. Wright, Johannes Peter Wessels, R. Tanabe, D. Layton, B. Komkov, Viktor Riabov, Agneta Oskarsson, M. Heffner, Jiangyong Jia, Y. Goto, H. Harada, C. Pinkenburg, Serpil Yalcin, A. Taranenko, T. Jones, Peter Christiansen, Kazushi Miki, Kenneth Francis Read, Y. Berdnikov, K. Dehmelt, S. H. Lee, Y. Akiba, K. Karatsu, J. Ben-Benjamin, T. E. Miller, T. Horaguchi, Brajesh K. Singh, J. Sun, D. Winter, D. Yu Peressounko, C. Vale, C. McKinney, W. C. Chang, A. Sukhanov, K. Kurita, M. Mishra, S. Nagamiya, G. Roche, B. S. Chang, Y. J. Mao, S. Kametani, Y. Hori, Anne Marie Sickles, Aaron Angerami, H. Pereira, Dennis Perepelitsa, J. Klatsky, A. Timilsina, Christine Angela Aidala, Tsutomu Mibe, M. I. Nagy, Vaclav Vrba, Klaus Johannes Reygers, J. Klay, M. A. L. Leite, Kei Nagashima, Rui Wei, B. Schaefer, A. Enokizono, H. Pei, Y. Morino, J. H. Kang, J. S. Haggerty, S. R. Lee, A. Romana, G. W. Kim, J. S. Bok, P. Chung, K. Utsunomiya, D. Watanabe, H. H. Shim, D. Kleinjan, S. Campbell, Rushan Han, S. H. Lim, J. Imrek, D. Kotchetkov, Raphael Noel Tieulent, W. A. Zajc, Jason Newby, Eric Appelt, C. O. Kim, M. D. Malik, L. Xue, J. Chiba, E. Vznuzdaev, Alice Mignerey, Susumu Sato, W. S. Emam, A. Datta, K. Das, J. E. Frantz, H. Asano, R. Pak, H. Kanou, R. Belmont, J. S. Kapustinsky, Jong-Min Park, M. B. Deaton, E. P. Hartouni, G. R. Young, V. Baublis, A. Denisov, Yuki Watanabe, V. Babintsev, Su Houng Lee, Y. S. Lai, V. Cianciolo, Taku Gunji, H. Gong, J. Seele, M. Patel, Y. Tanaka, L. D'Orazio, S. Miyasaka, Y. Tomita, E. Mannel, F. Kajihara, Nagahiro Saito, T. Novák, H. Delagrange, Sergey Fokin, H. J. Moon, L. Baksay, S. Zhou, A. Baldisseri, S. D. Rolnick, Takao Sakaguchi, C. Klein-Boesing, A. D. Frawley, A. S. White, S. Huang, S. H. Aronson, W. Holzmann, H. F. Hamilton, P. Sett, M. Mitrovski, Takafumi Niida, J. Huang, J. S. Yoo, M. K. Dayananda, Prakhar Garg, B. Bannier, T. Murakami, Robert F. Hobbs, Yi Gu, E. M. Takagui, Debashish Pal, S. Sawada, J. Ying, A. Franz, C. M. Camacho, Prashant Shukla, S. F. Pate, Ke. Nakamura, H. Al-Bataineh, J. A. Key, Alexander Milov, I. Nakagawa, Young-Ki Kim, T. Engelmore, S. Motschwiller, O. Drapier, Frank Ellinghaus, D. Ivanishchev, E. R. Kinney, D. P. Morrison, V. Papavassiliou, Sébastien Gadrat, B. H. Kang, V. E. Semenov, H. Al-Ta'Ani, Tatsuya Chujo, Jen-Chieh Peng, J. G. Rubin, D. Reynolds, Inkyu Park, Xiong Wang, Z. Conesa del Valle, Dong Jo Kim, S. Takagi, M. Wysocki, I. Tserruya, M. Jezghani, Yu. Efremenko, V. Singh, T. Koblesky, K. N. Barish, A. Glenn, Eunja Kim, S. Sano, N. Kamihara, X. He, J. Zimamyi, O. O. Omiwade, R. Armendariz, Byoungchoo Park, Y. Aramaki, N. Apadula, V. Peresedov, Z. Rowan, M. Mendoza, M. L. Brooks, C. Oakley, A. Drees, Steven E. Skutnik, S. N. White, Deepa Thomas, J. Kubart, J. Koster, K. Sakashita, T. O. S. Haseler, H. Qu, P. B. Diss, Zvi Hirsh Citron, D. Kotov, S. Batsouli, H. Masui, A. K. Dubey, H. Ge, K. Nakano, Hideki Hamagaki, K. Aoki, G. David, K. I. Hahn, J. Egdemir, A. A. Bickley, D. S. Jumper, Jason Kamin, A. Veicht, A. Mwai, W. E. Sondheim, B. Love, P. Montuenga, S. P. Stoll, C. R. Cleven, C. Haegemann, Y. Inoue, K. Boyle, P. A. Rukoyatkin, T. Ichihara, T. Kempel, Dong-Hun Kim, S. Kaneti, Osamu Jinnouchi, S. S.E. Rosendahl, A. G. Litvinenko, G. Bunce, Matthew G. Reuter, Takahiro Fusayasu, K. Watanabe, Alexander Malakhov, K. Shoji, A. Churyn, R. Kitamura, D. Silvermyr, S. Kanda, P. W. Stankus, L. S. Zolin, D. Jouan, A. Sexton, W. J. Park, Christopher Rosen, A. Kozlov, P. D. Barnes, A. Yanovich, R. Seto, K. Haruna, B. Meredith, C. A. Ogilvie, T. K. Hemmick, B. J. Ramson, John Hill, J. M. Durham, Yasuo Miake, Toru Sugitate, L. D. Isenhower, I. Danchev, K. DeBlasio, L. Kochenda, M. Issah, R. Pinson, François Fleuret, I. Ravinovich, and D. Kawall

Subjects
Nuclear physics, Physics, Pseudorapidity, Elliptic flow, Hadron, General Physics and Astronomy, Rapidity, Multiplicity (mathematics), Nuclear Experiment, Nucleon, Glauber, Charged particle
Abstract

We present the first measurement of elliptic ($v_2$) and triangular ($v_3$) flow in high-multiplicity $^{3}$He$+$Au collisions at $\sqrt{s_{_{NN}}}=200$ GeV. Two-particle correlations, where the particles have a large separation in pseudorapidity, are compared in $^{3}$He$+$Au and in $p$$+$$p$ collisions and indicate that collective effects dominate the second and third Fourier components for the correlations observed in the $^{3}$He$+$Au system. The collective behavior is quantified in terms of elliptic $v_2$ and triangular $v_3$ anisotropy coefficients measured with respect to their corresponding event planes. The $v_2$ values are comparable to those previously measured in $d$$+$Au collisions at the same nucleon-nucleon center-of-mass energy. Comparison with various theoretical predictions are made, including to models where the hot spots created by the impact of the three $^{3}$He nucleons on the Au nucleus expand hydrodynamically to generate the triangular flow. The agreement of these models with data may indicate the formation of low-viscosity quark-gluon plasma even in these small collision systems.

Published
2015

12. Systematic study of azimuthal anisotropy in Cu + Cu and Au + Au collisions atsNN=62.4and 200 GeV

Author

F. Matathias, Kensuke Homma, S. Chernichenko, H. Lim, B. Bassalleck, M. Konno, Tadaaki Isobe, J. S. Chai, P. L. McGaughey, Y. Nakamiya, D. Lynch, G. Baksay, B. Forestier, M. T. Bjorndal, B. Sahlmueller, J. T. Mitchell, R. Seidl, Vladislav Manko, M. Slunečka, C. Vale, B. S. Chang, J. Klay, P. Rosnet, O. Dietzsch, S. Afanasiev, A. Ster, K. O. Eyser, K. Fujiwara, H. Valle, J. Newby, G. Roche, Julia Velkovska, J. Chiba, T. Ichihara, D. Hornback, V. S. Pantuev, A. Taranenko, H. W. Van Hecke, G. C. Mishra, Takao Sakaguchi, Kazushi Miki, M. Harvey, J. L. Drachenberg, C. Klein-Boesing, Osamu Jinnouchi, Takahiro Fusayasu, I. D. Ojha, J. G. Boissevain, Masashi Kaneta, Alexander Malakhov, H. Pei, A. D. Frawley, D. Silvermyr, Y. Fukao, A. Shevel, K. Hasuko, D. Kawall, L. S. Zolin, W. J. Park, K. Okada, S. P. Sorensen, M. Gonin, C. Pinkenburg, S. Huang, S. H. Aronson, V. I. Kochetkov, M. Rosati, Tamás Csörgő, Dylan Walker, T. Hester, H. En'yo, P. D. Barnes, A. Yanovich, B. Love, Joakim Nystrand, P. Constantin, M. J. Leitch, Eva Haslum, B. Lenzi, M. Stepanov, W. Holzmann, Marie Germain, J. Murata, Bruno Espagnon, A. A. Vinogradov, Henrik Tydesjö, Maya Hachiya Shimomura, A. G. Litvinenko, J. Gosset, S. N. White, Jiangyong Jia, Y. Goto, J. P. Sullivan, Y. I. Makdisi, Gerd Joachim Kunde, I. Shein, G. S. Kyle, J. M. Burward-Hoy, Alexei Khanzadeev, A. Kozlov, R. Seto, V-N. Tram, K. Nakano, E. Stenlund, K. Haruna, James Alexander, H. Sakata, Charles Maguire, W. C. Smith, S. Leckey, W. E. Sondheim, C. L. Woody, M. J. Tannenbaum, Motoi Inaba, R. Averbeck, Byung-Sik Hong, S. Yokkaichi, J. M. Heuser, V. Dzhordzhadze, Robert F. Hobbs, X. He, Alberto Baldisseri, A. Deshpande, C. P. Singh, A. Bazilevsky, K. Das, K. Boyle, P. A. Rukoyatkin, Mate Csanad, M. K. Lee, I. Tserruya, Y. J. Mao, O. O. Omiwade, S. Y. Fung, Josh Moss, D. Mukhopadhyay, Yu. Efremenko, S. Kametani, V. Peresedov, Robert Vertesi, Y. Le Bornec, B. M. Johnson, E. P. Hartouni, S. Rembeczki, J. G. Lajoie, V. Singh, Alexandre Lebedev, Kiyoshi Tanida, J. H. Kang, D. Bucher, D. M. Lee, Steven E. Skutnik, J. S. Haggerty, A. Romana, T. Hachiya, A. Kiss, A. Isupov, Y. Watanabe, E. Kistenev, John Hill, Anne Marie Sickles, David D'Enterria, I. V. Sourikova, S. Butsyk, H. A. Torii, Toru Sugitate, T. L. Thomas, L. D. Isenhower, Y. L. Yamaguchi, S. Gadrat, H. Masui, A. K. Dubey, J. Sziklai, A. A. Bickley, Minghui Liu, T. V. Moukhanova, Vladimir Samsonov, B. Komkov, I. Younus, Ryugo S. Hayano, S. Takagi, I. Otterlund, S. Bathe, Norio Saito, T. Todoroki, H. Harada, Z. Yasin, Hirohiko Sato, S. K. Tuli, Henner Buesching, M. A. L. Leite, Y. Riabov, Brian Cole, M. Heffner, K. N. Barish, R. P. Pisani, Kenneth Francis Read, Kenta Shigaki, A. Soldatov, Debashish Pal, M. Nguyen, G. R. Young, H. Qu, François Fleuret, R. S. Towell, M. B. Deaton, A. S. Nyanin, Christophe Pierre Suire, Alexander Milov, I. Garishvili, Akio Kiyomichi, S. Sawada, Y. S. Lai, S. Batsouli, Rachid Nouicer, Nikolay Tyurin, I. J. Choi, A. Kravitz, I. Nakagawa, A. V. Kazantsev, M. Naglis, Hideki Hamagaki, K. Aoki, G. David, N. Kurihara, Frank Ellinghaus, Y. Tanaka, V. Babintsev, C. L. Silva, B. Azmoun, J. Ying, E. R. Kinney, K. S. Sim, D. P. Morrison, T. K. Shea, S. Campbell, A. Král, M. J. Kweon, L. Tomášek, A. Franz, M. N. Wagner, Marcus Hohlmann, J. L. Nagle, M. L. Brooks, V. E. Semenov, Junji Tojo, Y. Kwon, P. Mikeš, M. Reuter, H. Iinuma, M. C. McCain, J. Zimányi, Masayasu Ishihara, Tatsuya Chujo, Torsten Dahms, K. Dehmelt, M. G. Hur, C. Y. Chi, H. Hiejima, Jen-Chieh Peng, Susumu Sato, F. Staley, L. Baksay, E. J. Desmond, N. Grau, A. P.T. Palounek, M. Oka, Xiao-yan Li, K. Shoji, K. Imai, Marisilvia Donadelli, V. Bumazhnov, T. C. Awes, Kyoichiro Ozawa, T. Liška, A. Dion, M. Togawa, Jun Kikuchi, Saskia Mioduszewski, Jan Rak, P. W. Stankus, J. Park, R. Lacey, K. Kurita, A. Enokizono, H. Pereira, Florian Bauer, W. A. Zajc, S. Kelly, R. Granier de Cassagnac, A. Adare, V. Baublis, S. Belikov, K. S. Joo, N. Kamihara, A. Rakotozafindrabe, N. N. Ajitanand, A. Denisov, V. Cianciolo, J. Jin, E. M. Takagui, Sergey Fokin, Y. Tsuchimoto, J. E. Frantz, Laurent Bernard Aphecetche, Herve Borel, A. Glenn, A. Taketani, V. L. Rykov, O. Zaudtke, M. Virius, Takahiro Nakamura, R. Armendariz, T. Horaguchi, C. R. Cleven, C. Haegemann, Y. Inoue, Rushan Han, M. N. Hagiwara, S. Esumi, D. Sharma, Y. Cobigo, I. Ravinovich, Susumu Oda, I. E. Yushmanov, Tae-Yeon Lee, Martin Purschke, C. A. Aidala, F. Gastineau, Y. Nagata, P. J. Kroon, T. Shohjoh, A. Durum, A. Drees, Dong-Hun Kim, H. A. Gustafsson, S. S. Ryu, Eun-Hee Kim, Catherine Micaela Silvestre, Agneta Oskarsson, D. Kotchetkov, D. S. Brown, C. Zhang, R. Bennett, A. Morreale, Ahmed Al-Jamel, J. Kubart, M. Finger, Z. Fraenkel, Y. Berdnikov, Viktor Riabov, M. Ouchida, Y. Akiba, R. Pak, S. F. Pate, M. Mishra, S. Nagamiya, J. Asai, Kazuhiro Tanaka, O. Drapier, J. Egdemir, H. Al-Bataineh, D. E. Fields, B. V. Jacak, M. McCumber, A. K. Purwar, Jason Kamin, Vaclav Vrba, Klaus Johannes Reygers, S. P. Stoll, V. Papavassiliou, Shingo Sakai, M. Mitrovski, M. Wysocki, S. S.E. Rosendahl, G. Bunce, A. Churyn, D. Jouan, Johannes Peter Wessels, C. A. Ogilvie, T. K. Hemmick, Yasuo Miake, L. Kochenda, M. Issah, T. Kawagishi, Hiroaki Ohnishi, M. D. Malik, E. Vznuzdaev, N. Willis, A. Hadj Henni, Wei Xie, Xingguo Li, R. A. Soltz, M. Grosse Perdekamp, D. Winter, M. P. Comets, D. Yu Peressounko, P. Tarján, T. Tabaru, Senta Greene, B. E. Norman, E. O'Brien, Xiong Wang, Dong Jo Kim, M. Chiu, T. A. Shibata, D. Isenhower, A. Toia, L. Mašek, J. L. Charvet, T. E. Miller, E. T. Atomssa, P. Chung, M. Holmes, W. S. Emam, H. Kanou, Taku Gunji, H. Gong, J. Seele, F. Kajihara, H. Delagrange, S. Zhou, and Y. S. Kim

Subjects
Quark, Physics, Nuclear and High Energy Physics, Particle physics, Angular momentum, Quantitative Biology::Neurons and Cognition, Hadron, Kinetic energy, Particle identification, Nuclear physics, High Energy Physics::Experiment, Impact parameter, Nuclear Experiment, Anisotropy, Energy (signal processing)
Abstract

We have studied the dependence of azimuthal anisotropy $v_2$ for inclusive and identified charged hadrons in Au$+$Au and Cu$+$Cu collisions on collision energy, species, and centrality. The values of $v_2$ as a function of transverse momentum $p_T$ and centrality in Au$+$Au collisions at $\sqrt{s_{_{NN}}}$=200~GeV and 62.4~GeV are the same within uncertainties. However, in Cu$+$Cu collisions we observe a decrease in $v_2$ values as the collision energy is reduced from 200 to 62.4~GeV. The decrease is larger in the more peripheral collisions. By examining both Au$+$Au and Cu$+$Cu collisions we find that $v_2$ depends both on eccentricity and the number of participants, $N_{\rm part}$. We observe that $v_2$ divided by eccentricity ($\varepsilon$) monotonically increases with $N_{\rm part}$ and scales as ${N_{\rm part}^{1/3}}$. The Cu$+$Cu data at 62.4 GeV falls below the other scaled $v_{2}$ data. For identified hadrons, $v_2$ divided by the number of constituent quarks $n_q$ is independent of hadron species as a function of transverse kinetic energy $KE_T=m_T-m$ between $0.1

Published
2015

13. Search for dark photons from neutral meson decays inp+pandd+Aucollisions atsNN=200 GeV

Author

S. Dairaku, P. Rosnet, K. O. Eyser, A. K. Purwar, K. Fujiwara, O. Zaudtke, K. Watanabe, Takafumi Niida, J. Huang, K. Shoji, Marisilvia Donadelli, V. Bumazhnov, D. Black, M. Virius, E. T. Atomssa, J. S. Yoo, Ajit Kumar Mohanty, M. K. Dayananda, T. A. Shibata, C. L. Silva, Min Soo Kim, V. S. Pantuev, P. W. Stankus, Prakhar Garg, T. Sato, B. Bannier, S. Mizuno, Tadaaki Isobe, A. Sen, R. Tanabe, D. Layton, J. D. Orjuela Koop, C. H. Chen, H. Pei, S. Campbell, P. L. McGaughey, A. Manion, N. S. Bandara, S. Afanasiev, Charles Maguire, I. Tserruya, M. Jezghani, Yu. Efremenko, Kiyoshi Tanida, C. Nattrass, E. Kistenev, Y. Imazu, M. Chiu, P. Lichtenwalner, S. Beckman, J. Sun, M. Ouchida, H. W. Van Hecke, Y. Miyachi, A. Ster, N. Feege, G. Roche, D. Watanabe, M. D. Malik, E. Vznuzdaev, Y. J. Mao, W. C. Chang, D. Isenhower, A. Toia, T. Moon, L. Mašek, H. J. Kim, V. Singh, T. Murakami, Yi Gu, S. Hasegawa, K. S. Sim, K. Okada, Maya Hachiya Shimomura, R. S. Hollis, Y. I. Makdisi, N. Means, K. Kurita, J. Asai, M. Naglis, L. Ding, M. Kofarago, J. S. Haggerty, S. R. Lee, Rushan Han, Y. Tanaka, E. Mannel, Nagahiro Saito, B. Meredith, I. Ravinovich, H. J. Moon, L. Baksay, T. Koblesky, K. R. Andrews, R. A. Soltz, H. Borel, Y. Miake, H. Qu, A. Kiss, V. Dzhordzhadze, A. Hadj Henni, J. Bryslawskyj, C. Baumann, S. Kametani, S. Sawada, J. Ying, A. Franz, Henner Buesching, Steve Edwards, R. Yang, Masamichi Ishihara, Beomkyu Kim, Minghui Liu, M. Heffner, Wei Xie, Kenneth Francis Read, T. Ichihara, C. Harper, Shingo Sakai, D. J. Kim, H. Nakagomi, T. Hoshino, D. Roach, K. M. Kijima, Y. Fukao, B. Komkov, K. Utsunomiya, Hideki Hamagaki, K. Aoki, M. Bai, E. C. Aschenauer, M. Grosse Perdekamp, F. Giordano, M. E. Connors, M. S. Daugherity, C. P. Singh, H. En'yo, M. J. Leitch, A. Glenn, S. Taneja, X. Gong, Marcus Hohlmann, A. V. Kazantsev, G. David, Sung Keun Park, K. I. Hahn, K. Hashimoto, Tae-Yeon Lee, M. J. Tannenbaum, Vladimir Samsonov, I. J. Choi, B. Xia, S. K. Park, K. N. Barish, C. M. Camacho, R. S. Towell, B. M. Johnson, Prashant Shukla, Xingguo Li, J. L. Charvet, Dennis Perepelitsa, S. F. Pate, K. Imai, Tsutomu Mibe, L. Tomášek, T. Todoroki, Eunja Kim, L. A. Linden Levy, P. Mikeš, M. Towell, Atsushi Takahara, Soren Pontoppidan Sorensen, M. A. L. Leite, C. L. Woody, J. H. Do, Anders Nils Erik Oskarsson, A. Kim, A. Taranenko, Ke. Nakamura, A. Berdnikov, R. J. Petti, O. Drapier, A. Isupov, Inseok Yoon, Kazushi Miki, Zhiying You, R. Bennett, M. Kawashima, D. Sharma, B. K. Schmoll, H. Al-Bataineh, R. Armendariz, J. A. Key, K. Karatsu, L. Patel, K. A. Drees, Youngil Kwon, H. H. Shim, S. Bathe, Terry C Awes, L. Aphecetche, Christophe Pierre Suire, Alexander Milov, I. Nakagawa, D. Mukhopadhyay, E. Tennant, S. Rembeczki, P. Montuenga, Martin Purschke, N. N. Ajitanand, M. Vargyas, A. Caringi, H. Ozaki, Y. S. Lai, Young-Ki Kim, T. Hester, David Olle Rickard Silvermyr, J. Sziklai, S. H. Lim, S. J. Jeon, T. Horaguchi, Brajesh K. Singh, J. Ben-Benjamin, M. Finger, S. Motschwiller, Kyoichiro Ozawa, T. Liška, Yorito Yamaguchi, T. Engelmore, N. Novitzky, F. Staley, A. Dion, M. I. Nagy, Y. Berdnikov, Frank Ellinghaus, S. H. Lee, Y. Akiba, O. Chvala, H. Themann, Ju Hwan Kang, T. Jones, Petr Gallus, Jun Kikuchi, A. Yu. Semenov, J. L. Nagle, D. John, P. Castera, J. Gosset, Peter Christiansen, S. Sano, G. D. N. Perera, R. Belmont, Brian Cole, J. S. Kapustinsky, Y. Hori, Anne Marie Sickles, E. Joo, D. Ivanishchev, T. Sodre, Jongmin Lee, Seong H. Kim, V. Papavassiliou, Takahiro Nakamura, Johannes Peter Wessels, B. Schaefer, J. Klatsky, P. Chung, J. Imrek, T. Kempel, E. R. Kinney, Alice Mignerey, L. D'Orazio, D. P. Morrison, C. A. Ogilvie, V. Babintsev, D. Winter, S. Kaneti, T. K. Hemmick, S. Miyasaka, C. McKinney, J. M. Durham, M. Mishra, S. Nagamiya, J. Murata, I. V. Sourikova, D. McGlinchey, D. Yu Peressounko, P. Tarján, Vaclav Vrba, Klaus Johannes Reygers, I. Garishvili, F. Wei, X. Jiang, Hari Guragain, J. G. Lajoie, Pawan Kumar Netrakanti, J. S. Bok, D. Broxmeyer, A. Enokizono, Susumu Sato, B. H. Kang, V. E. Semenov, M. Alfred, T. Hachiya, S. Whitaker, Susumu Oda, Gerd Joachim Kunde, T. L. Thomas, Takao Sakaguchi, S. Tarafdar, H. Asano, Jennifer E. Perry, K. Das, I. Shein, E. P. Hartouni, C. Klein-Boesing, H. Al-Ta'Ani, Tatsuya Chujo, A. Kravitz, Jen-Chieh Peng, Rui Wei, A. Durum, Ryugo S. Hayano, A. Morreale, K. DeBlasio, L. Kochenda, M. Issah, Y. Riabov, T. Sumita, C. Y. Chi, Taku Gunji, H. Gong, J. Seele, Z. Fraenkel, G. R. Young, K. Sedgwick, M. Patel, F. Kajihara, A. D. Frawley, V. L. Rykov, T. Dahms, J. G. Rubin, Catherine Micaela Silvestre, Mihael Makek, D. Reynolds, A. Deshpande, Kenta Shigaki, S. Yokkaichi, V-N. Tram, N. Grau, K. Yamaura, M. Nguyen, A. Meles, R. Pinson, M. Leitgab, V. Khachatryan, M. Kurosawa, Hiroyuki Sako, Eva Haslum, B. Lenzi, A. J. Miller, S. Butsyk, S. Huang, A. Sukhanov, Inkyu Park, R. K. Choudhury, E. Stenlund, B. Azmoun, Senta Greene, Rachid Nouicer, A. N. Zelenski, M. Proissl, Motoi Inaba, Y. Onuki, S. W. Nam, M. Tomášek, G. S. Kyle, S. Zhou, W. Holzmann, H. Pereira, Xiong Wang, Z. Conesa del Valle, A. Král, M. J. Kweon, Y. Morino, Hongfang Liu, Y. Ikeda, Y. Watanabe, A. T. Basye, J. G. Boissevain, D. E. Fields, R. M. Wright, S. Wolin, M. Sarsour, Mate Csanad, A. Iordanova, James Alexander, J. S. Kang, Jan Rak, M. Savastio, A. Baldisseri, R. Averbeck, R. Lacey, S. D. Rolnick, B. V. Jacak, C. O. Kim, I. Younus, R. Akimoto, B. Fadem, E. O'Brien, S. Y. Han, R. Granier de Cassagnac, Byung-Sik Hong, A. Bazilevsky, M. Oka, N. Kamihara, J. Jin, A. Adare, M. Gonin, C. Pinkenburg, M. McCumber, R. Pak, A. Soldatov, M. Wysocki, P. Kline, K. S. Lee, E. M. Takagui, M. Nihashi, K. Dehmelt, Alexandre Lebedev, D. M. Lee, N. Riveli, X. He, M. Stepanov, K. B. Lee, Atsushi Taketani, P. Liebing, M. Beaumier, Byoungchoo Park, K. S. Joo, A. Rakotozafindrabe, N. Apadula, C. Oakley, A. Drees, David D'Enterria, A. Datta, J. Hanks, K. Kiriluk, R. P. Pisani, A. Vossen, R. Ichimiya, K. Sakashita, D. Kotov, D. S. Jumper, Y. Aramaki, J. Hamblen, Jason Kamin, V. Peresedov, S. P. Stoll, Robert Vertesi, S. S.E. Rosendahl, G. Bunce, A. Churyn, D. Jouan, J. Koster, S. Batsouli, H. Masui, A. K. Dubey, A. A. Bickley, A. Veicht, A. Mwai, B. Love, A. G. Litvinenko, A. Sexton, D. Kawall, A. Kozlov, R. Seto, K. Haruna, I. Danchev, O. Dietzsch, H. Valle, Dipanwita Dutta, C. Gal, Julia Velkovska, M. Rosati, Tamás Csörgő, A. A. Vinogradov, Jiangyong Jia, Y. Goto, D. Kleinjan, Eric Appelt, Takahiro Fusayasu, Alexander Malakhov, K. Kihara, ShinIchi Esumi, L. S. Zolin, W. J. Park, Christopher Rosen, P. D. Barnes, A. Yanovich, D. Hornback, John Hill, H. A. Torii, Toru Sugitate, François Fleuret, Z. Rowan, M. Mendoza, M. L. Brooks, S. N. White, Deepa Thomas, Zvi Hirsh Citron, H. Ge, K. Nakano, W. E. Sondheim, D. Ivanischev, K. Boyle, P. A. Rukoyatkin, J. T. Mitchell, R. Seidl, Vladislav Manko, M. Slunečka, L. Guo, Alexei Khanzadeev, S. Belikov, J. B. Choi, C. Vale, Dipak Kumar Mishra, D. H. Kim, B. S. Chang, A. Timilsina, Christine Angela Aidala, J. Klay, Alexander Nyanin, Y. Nakamiya, D. Lynch, G. Baksay, J. H. Bhom, T. V. Moukhanova, B. Sahlmueller, Y. J. Kim, F. Matathias, Kensuke Homma, E. Richardson, P. Constantin, S. Chernichenko, B. Bassalleck, M. Konno, Jason Newby, J. E. Frantz, Dmitry Blau, E. J. Desmond, M. Togawa, E. Vazquez-Zambrano, J. Park, M. Kasai, Y. Tsuchimoto, Y. Iwanaga, I. E. Yushmanov, Eun-Hee Kim, H. A. Gustafsson, C. Zhang, P. Ružička, Viktor Riabov, Gary Grim, K. V. Dharmawardane, H. Iinuma, A. P.T. Palounek, Serpil Yalcin, Aaron Angerami, W. A. Zajc, L. Xue, V. Baublis, A. Denisov, Yuki Watanabe, V. Cianciolo, Y. Tomita, Sergey Fokin, and P. Sett

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Gauge boson, Muon, Anomalous magnetic dipole moment, Meson, 010308 nuclear & particles physics, Dalitz plot, 01 natural sciences, 7. Clean energy, Dark photon, Standard Model, Nuclear physics, 0103 physical sciences, 010306 general physics, Relativistic Heavy Ion Collider
Abstract

The standard model (SM) of particle physics is spectacularly successful, yet the measured value of the muon anomalous magnetic moment (g−2)μ deviates from SM calculations by 3.6σ. Several theoretical models attribute this to the existence of a “dark photon,” an additional U(1) gauge boson, which is weakly coupled to ordinary photons. The PHENIX experiment at the Relativistic Heavy Ion Collider has searched for a dark photon, U, in π0,η→γe+e− decays and obtained upper limits of O(2×10−6) on U−γ mixing at 90% C.L. for the mass range 30

Published
2015

14. Measurement ofΥ(1S+2S+3S)production inp+pand Au + Au collisions atsNN=200GeV

Author

V. S. Pantuev, M. Sano, H. Pei, Sung Keun Park, K. Okada, N. N. Ajitanand, H. J. Kim, H. En'yo, M. J. Leitch, L. Aphecetche, Takahiro Nakamura, A. Dion, S. Baumgart, Masamichi Ishihara, Johannes Peter Wessels, M. Sarsour, Mate Csanad, A. Iordanova, D. McGlinchey, M. I. Nagy, Takafumi Niida, D. Watanabe, Bum-Hoon Lee, Minghui Liu, A. Durum, Marisilvia Donadelli, V. Bumazhnov, J. L. Charvet, M. D. Malik, E. Vznuzdaev, M. Heffner, A. Yu. Semenov, Catherine Micaela Silvestre, A. Sukhanov, K. Kurita, H. Pereira, R. A. Soltz, H. Borel, K. V. Dharmawardane, B. Azmoun, A. Král, M. J. Kweon, K. Yamaura, Kenneth Francis Read, T. Ichihara, A. Hadj Henni, J. Gosset, K. Watanabe, M. Grosse Perdekamp, H. Liu, R. Tanabe, D. Layton, Y. Hori, Beomkyu Kim, C. O. Kim, M. Wysocki, K. Shoji, B. Bannier, Wei Xie, X. Jiang, M. E. Connors, K. A. Drees, A. Enokizono, R. Pak, K. B. Lee, P. Chung, Y. Miyachi, M. Oka, W. C. Chang, I. J. Choi, D. E. Fields, B. V. Jacak, J. Imrek, P. Kline, K. S. Lee, Maya Hachiya Shimomura, R. S. Hollis, H. Iinuma, P. W. Stankus, K. Sakashita, M. Nihashi, L. Ding, Rushan Han, Peter Christiansen, J. S. Kang, J. Klatsky, A. Datta, H. Asano, D. Roach, M. McCumber, Dmitry Blau, K. M. Kijima, T. Murakami, A. P.T. Palounek, H. Gong, J. Seele, D. Winter, D. Yu Peressounko, P. Liebing, Vladimir Samsonov, Christine Nattrass, N. Riveli, T. Todoroki, K. S. Joo, K. Hashimoto, P. L. McGaughey, J. Hanks, Charles Maguire, P. Tarján, Xingguo Li, S. Choi, Aaron Angerami, K. Das, E. P. Hartouni, David D'Enterria, S. Butsyk, K. O. Eyser, S. P. Sorensen, N. Apadula, M. Chiu, W. A. Zajc, O. Dietzsch, D. Kotov, A. K. Purwar, Kiyoshi Tanida, K. Fujiwara, X. Bing, O. Chvala, Tamas Ferenc Csorgo, H. Qu, H. Valle, Seong H. Kim, V. Baublis, S. Sawada, A. Denisov, V. Cianciolo, E. Kistenev, Y. Tomita, Tomofumi Nagae, J. L. Nagle, Dipanwita Dutta, P. Castera, S. Yokkaichi, J. Ying, A. Franz, S. Zhou, A. Baldisseri, S. D. Rolnick, Y. I. Makdisi, A. Vossen, R. P. Pisani, S. Esumi, A. V. Kazantsev, K. Aoki, M. Vargyas, Y. L. Yamaguchi, C. Gal, E. J. Desmond, G. David, Sergey Fokin, Julia Velkovska, K. I. Hahn, F. Kajihara, D. Sharma, Senta Greene, A. T. Basye, R. Ichimiya, D. S. Jumper, Tae-Yeon Lee, B. Komkov, Martin Purschke, Ajit Kumar Mohanty, C. A. Aidala, F. Fleuret, Norio Saito, Tsutomu Mibe, B. Fadem, E. O'Brien, C. M. Camacho, Prashant Shukla, M. Rosati, K. Ozawa, T. A. Shibata, C. L. Silva, T. Sato, S. F. Pate, A. Morreale, Z. Fraenkel, M. A. L. Leite, L. Tomášek, Ke. Nakamura, H. Al-Bataineh, Jason Kamin, M. Togawa, E. Vazquez-Zambrano, A. A. Vinogradov, R. K. Choudhury, Y. J. Mao, J. Sun, D. Isenhower, A. Toia, S. H. Lim, J. H. Kang, T. Kempel, S. Motschwiller, Dong-Hun Kim, D. Ivanishchev, H. A. Gustafsson, S. Kaneti, L. Mašek, R. Belmont, V. Papavassiliou, J. S. Kapustinsky, Jiangyong Jia, S. P. Stoll, Y. Fukao, V. Babintsev, S. Edwards, A. Nederlof, J. Park, Y. Goto, M. Tomášek, C. Zhang, G. S. Kyle, T. Hester, J. S. Haggerty, S. R. Lee, P. Ružička, James Alexander, R. Averbeck, Byung-Sik Hong, D. Kleinjan, Y. Komatsu, A. Bazilevsky, Philippe Rosnet, Viktor Riabov, L. Patel, Alexandre Lebedev, T. C. Awes, T. Liška, D. M. Lee, A. Rakotozafindrabe, K. Kiriluk, V-N. Tram, N. Grau, Y. S. Lai, H. W. Van Hecke, M. Kasai, S. S.E. Rosendahl, Jun Kikuchi, G. Bunce, Y. Ikeda, M. Leitgab, J. G. Boissevain, M. J. Tannenbaum, M. Gonin, Motoi Inaba, Y. Tanaka, E. Mannel, C. Pinkenburg, H. Torii, G. Roche, A. Churyn, D. Jouan, S. Bathe, M. Javani, Y. Aramaki, Agneta Oskarsson, I. E. Yushmanov, Eun-Hee Kim, Y. Berdnikov, L. Guo, Alexei Khanzadeev, S. H. Lee, Y. Akiba, E. Stenlund, S. Wolin, C. McKinney, M. Mishra, S. Nagamiya, S. X. Oda, N. Kamihara, Vaclav Vrba, Klaus Johannes Reygers, D. Mukhopadhyay, E. Tennant, S. Rembeczki, Rui Wei, J. B. Choi, Dipak Kumar Mishra, H. J. Moon, A. Kiss, L. Baksay, A. Deshpande, Byoungchoo Park, Henner Buesching, M. Kurosawa, A. Drees, Alice Mignerey, T. V. Moukhanova, Y. S. Watanabe, L. D'Orazio, S. Miyasaka, F. Matathias, R. Vértesi, X. Gong, Kensuke Homma, E. Richardson, B. Lewis, Marcus Hohlmann, P. Constantin, S. Chernichenko, B. Bassalleck, Jongmin Lee, M. Konno, Takao Sakaguchi, L. A. Linden Levy, R. Akimoto, P. Mikeš, C. A. Ogilvie, S. Masumoto, J. T. Mitchell, J. E. Frantz, R. Seidl, T. K. Hemmick, Vladislav Manko, J. M. Durham, C. Klein-Boesing, Yasuo Miake, J. Jin, A. Taketani, M. Slunečka, Y. Watanabe, E. M. Takagui, A. D. Frawley, T. Gunji, L. Kochenda, M. Issah, C. Baumann, S. Kametani, A. Takahara, V. L. Rykov, T. Dahms, M. S. Daugherity, C. P. Singh, S. Belikov, S. Huang, T. Isobe, B. M. Johnson, S. Dairaku, Filip Krizek, W. Holzmann, C. L. Woody, A. Berdnikov, O. Zaudtke, R. J. Petti, X. He, V. Peresedov, A. Isupov, C. Suire, I. Younus, J. Koster, C. Vale, S. Batsouli, J. Sziklai, H. Masui, M. Virius, E. T. Atomssa, A. K. Dubey, B. S. Chang, A. A. Bickley, A. Veicht, K. N. Barish, Brian Cole, R. S. Towell, J. Klay, C. H. Chen, A. Manion, I. Ravinovich, Y. Nakamiya, D. Lynch, I. Garishvili, M. Bai, G. Baksay, E. C. Aschenauer, F. Wei, Zhiying You, R. Bennett, A. Soldatov, R. Hayano, M. Finger, A. Garishvili, M. L. Brooks, B. Sahlmueller, B. Love, I. V. Sourikova, Y. J. Kim, T. L. Thomas, I. Tserruya, Yu. Efremenko, V. Singh, H. Hamagaki, C. Y. Chi, A. Glenn, A. G. Litvinenko, Eunja Kim, Takahiro Fusayasu, Alexander Milov, I. Nakagawa, Young-Ki Kim, T. Engelmore, N. Novitzky, Alexander Malakhov, M. Naglis, Frank Ellinghaus, D. Silvermyr, K. Karatsu, E. R. Kinney, D. P. Morrison, L. S. Zolin, S. Campbell, B. H. Kang, W. J. Park, A. Kozlov, Y. Riabov, V. E. Semenov, Anne Marie Sickles, P. D. Barnes, A. Yanovich, R. Seto, K. Haruna, H. Al-Ta'Ani, Tatsuya Chujo, Kenta Shigaki, Jen-Chieh Peng, M. Nguyen, M. Soumya, K. Gainey, D. Reynolds, Inkyu Park, Xiong Wang, B. Meredith, Dong Jo Kim, John Hill, J. S. Bok, D. Kotchetkov, A. S. Nyanin, Toru Sugitate, Y. Morino, Rachid Nouicer, A. N. Zelenski, M. Proissl, F. Staley, G. R. Young, D. Kawall, H. Themann, M. Mendoza, S. N. White, T. Tsuji, Zvi Hirsh Citron, Y. Onuki, K. Nakano, J. Murata, K. B. Kim, W. E. Sondheim, D. Ivanischev, Jan Rak, Gerd Joachim Kunde, K. Boyle, P. A. Rukoyatkin, I. Shein, R. Lacey, J. G. Lajoie, T. Hachiya, S. Whitaker, S. Afanasiev, A. Ster, A. Kravitz, R. Granier de Cassagnac, K. Sedgwick, J. Newby, M. Ouchida, Mihael Makek, A. Adare, N. Means, J. Asai, D. Hornback, Shingo Sakai, A. Taranenko, Kazushi Miki, T. Horaguchi, Brajesh K. Singh, K. S. Sim, V. Dzhordzhadze, M. Stepanov, Y. Kwon, R. Yang, S. Tarafdar, S. Taneja, Y. Tsuchimoto, K. Imai, Eva Haslum, B. Lenzi, O. Drapier, and A. Sen

Subjects
Scattering cross-section, Physics, Nuclear and High Energy Physics, Large Hadron Collider, 010308 nuclear & particles physics, Modification factor, 01 natural sciences, Luminosity, Nuclear physics, Yield (chemistry), 0103 physical sciences, High Energy Physics::Experiment, Atomic physics, Nuclear Experiment, 010306 general physics, Relativistic Heavy Ion Collider
Abstract

Measurements of bottomonium production in heavy-ion and p + p collisions at the Relativistic Heavy Ion Collider (RHIC) are presented. The inclusive yield of the three states, (1S + 2S + 3S), was measured in the PHENIX experiment via electron-positron decay pairs at midrapidity for Au + Au and p + p collisions at root sNN = 200 GeV. The (1S + 2S + 3S) -> e(+)e(-) differential cross section at midrapidity was found to be B(ee)d sigma/dy = 108 +/- 38 (stat) +/- 15 (syst) +/- 11 (luminosity) pb in p + p collisions. The nuclear modification factor in the 30% most central Au + Au collisions indicates a suppression of the total. state yield relative to the extrapolation from p + p collision data. The suppression is consistent with measurements made by STAR at RHIC and at higher energies by the CMS experiment at the Large Hadron Collider.

Published
2015

15. Measurement ofKS0andK*0inp+p,d+Au, and Cu + Cu collisions atsNN=200 GeV

Author

P. Sett, Jen-Chieh Peng, J. G. Rubin, Martin Purschke, C. A. Aidala, C. Baumann, Y. Ikeda, D. Reynolds, S. Dairaku, M. Mitrovski, Takafumi Niida, Inkyu Park, J. G. Boissevain, M. S. Daugherity, C. P. Singh, Xiong Wang, C. Silvestre, Serpil Yalcin, D. Kotchetkov, Pawan Kumar Netrakanti, Z. Conesa del Valle, M. K. Dayananda, Masashi Kaneta, B. M. Johnson, O. Zaudtke, Dong Jo Kim, A. Morreale, Prakhar Garg, Z. Fraenkel, B. Bannier, V. Khachatryan, R. Akimoto, M. Virius, E. T. Atomssa, R. J. Petti, A. Isupov, C. Suire, Aaron Angerami, R. A. Soltz, R. K. Choudhury, C. Pinkenburg, Marisilvia Donadelli, S. Campbell, J. D. Orjuela Koop, G. S. Kyle, A. Veicht, K. Dehmelt, C. H. Chen, J. Sziklai, G. Roche, James Alexander, C. L. Woody, A. Berdnikov, V. Bumazhnov, M. P. Comets, D. Black, Y. J. Mao, S. Kametani, W. A. Zajc, L. Xue, V. Baublis, A. Denisov, Yuki Watanabe, M. Wysocki, M. Vargyas, A. Manion, Brian Cole, J. H. Kang, T. L. Thomas, Sung Keun Park, M. Grosse Perdekamp, F. Giordano, M. E. Connors, V. Cianciolo, B. Meredith, B. Azmoun, Ryugo S. Hayano, Y. Riabov, J. S. Haggerty, A. Caringi, A. Romana, A. Král, Kenta Shigaki, M. J. Kweon, I. Ravinovich, R. Averbeck, Byung-Sik Hong, M. Nguyen, A. S. Nyanin, Rachid Nouicer, Min Soo Kim, A. N. Zelenski, R. Tanabe, M. Proissl, V. S. Pantuev, Sergey Fokin, Petr Gallus, Y. Nagata, M. Gonin, N. N. Ajitanand, A. Bazilevsky, Atsushi Takahara, A. J. Miller, T. Horaguchi, Philippe Rosnet, Y. S. Lai, M. Rosati, R. S. Towell, Prashant Shukla, S. F. Pate, T. Ichihara, Osamu Jinnouchi, Matthew G. Reuter, Takahiro Fusayasu, M. Oka, P. Kline, K. S. Lee, Alexander Milov, I. Nakagawa, Young-Ki Kim, T. Engelmore, N. Novitzky, G. D. N. Perera, Takahiro Nakamura, A. Sukhanov, K. Kurita, H. Pereira, Y. Morino, Gary Grim, K. V. Dharmawardane, K. A. Drees, J. L. Charvet, Alexandre Lebedev, D. M. Lee, Maya Hachiya Shimomura, R. S. Hollis, Y. I. Makdisi, P. Liebing, I. V. Sourikova, O. Drapier, Frank Ellinghaus, E. R. Kinney, D. McGlinchey, Susumu Oda, C. O. Kim, M. Bai, I. Garishvili, Akio Kiyomichi, F. Wei, J. Gosset, H. Iinuma, A. P.T. Palounek, A. A. Vinogradov, Ke. Nakamura, M. Beaumier, K. S. Joo, D. P. Morrison, H. Al-Bataineh, J. A. Key, S. P. Sorensen, S. K. Park, Dylan Walker, A. Durum, J. Klatsky, O. Chvala, X. He, O. O. Omiwade, J. Hamblen, T. E. Miller, Alexander Malakhov, K. Kihara, V. E. Semenov, J. Zimányi, Tatsuya Chujo, Y. Onuki, K. Yamaura, S. Yokkaichi, J. G. Lajoie, H. A. Gustafsson, A. Hadj Henni, M. Alfred, T. Hachiya, M. Ouchida, N. Means, J. Asai, S. Whitaker, Shingo Sakai, Inseok Yoon, Zhiying You, R. Bennett, M. Kawashima, N. Kurihara, J. Bryslawskyj, Jennifer E. Perry, Jiangyong Jia, Y. Goto, D. Kleinjan, D. Ivanishchev, T. Jones, I. Tserruya, Peter Christiansen, D. Winter, S. Afanasiev, A. Ster, N. Feege, Y. Aramaki, V. Peresedov, Jan Rak, R. Lacey, C. Zhang, M. Jezghani, Yu. Efremenko, S. Esumi, P. Ružička, R. Granier de Cassagnac, D. Silvermyr, J. Koster, R. Ichimiya, A. Kravitz, A. Adare, A. Enokizono, M. Finger, Hiroaki Ohnishi, Jongmin Lee, D. Yu Peressounko, Viktor Riabov, V. Papavassiliou, Sébastien Gadrat, J. Newby, Beomkyu Kim, Wei Xie, T. Sumita, A. V. Kazantsev, C. Y. Chi, T. Murakami, K. Okada, K. Das, Hongfang Liu, D. E. Fields, S. Batsouli, H. Masui, A. K. Dubey, V. Singh, Y. Fukao, A. Shevel, Rushan Han, B. Komkov, E. P. Hartouni, Herve Borel, D. Lynch, M. J. Tannenbaum, O. Dietzsch, L. S. Zolin, Robert F. Hobbs, W. J. Park, P. Tarján, H. En'yo, M. J. Leitch, B. V. Jacak, P. Chung, A. A. Bickley, A. Mwai, B. Love, L. Ding, Y. Nakamiya, A. Taketani, H. Valle, M. Kofarago, I. J. Choi, B. Xia, Dipanwita Dutta, Christopher Rosen, M. Kurosawa, T. Koblesky, D. Hornback, N. S. Bandara, S. Butsyk, K. S. Sim, V. Dzhordzhadze, Saskia Mioduszewski, P. D. Barnes, A. Yanovich, M. Naglis, Dennis Perepelitsa, D. Roach, K. M. Kijima, M. McCumber, T. Tabaru, C. Gal, V. L. Rykov, T. Dahms, A. G. Litvinenko, Junji Tojo, Y. Kwon, Vladimir Samsonov, Julia Velkovska, T. Hester, H. Torii, B. K. Schmoll, Debashish Pal, S. Sawada, M. Towell, J. Ying, A. Franz, Tsutomu Mibe, H. Nakagomi, T. Hoshino, Y. Gu, M. A. L. Leite, R. Yang, H. Hiejima, A. Taranenko, Senta Greene, Christine Nattrass, T. Todoroki, N. Riveli, A. Sexton, Xingguo Li, S. Taneja, L. Tomášek, A. T. Basye, B. E. Norman, Susumu Sato, W. S. Emam, A. Datta, Kazushi Miki, S. J. Jeon, B. Fadem, E. O'Brien, P. Mikeš, H. Asano, K. B. Lee, J. Hanks, Tamas Ferenc Csorgo, A. Kozlov, R. Seto, K. Haruna, K. Imai, D. Sharma, M. I. Nagy, D. Watanabe, A. Kim, D. Mukhopadhyay, Brajesh K. Singh, S. Rembeczki, J. Jin, K. Karatsu, E. M. Takagui, S. H. Lim, J. L. Nagle, I. Danchev, S. Takagi, K. N. Barish, A. Glenn, Anne Marie Sickles, B. Schaefer, E. Joo, M. D. Malik, E. Vznuzdaev, Eunja Kim, Masayasu Ishihara, M. Stepanov, L. Patel, John Hill, M. K. Lee, J. S. Bok, T. C. Awes, Ajit Kumar Mohanty, Hari Guragain, G. Baksay, S. Sano, R. Belmont, J. S. Kapustinsky, L. Aphecetche, H. Ozaki, T. A. Shibata, C. L. Silva, J. S. Kang, Toru Sugitate, G. R. Young, S. Tarafdar, J. H. Do, M. L. Brooks, T. Sato, Kyoichiro Ozawa, T. Liška, A. Dion, Jun Kikuchi, L. D. Isenhower, V. Babintsev, Tadaaki Isobe, Johannes Peter Wessels, Eva Haslum, B. Lenzi, J. Chiba, Alice Mignerey, L. D'Orazio, S. Miyasaka, François Fleuret, X. Jiang, P. L. McGaughey, Z. Rowan, M. Mendoza, S. N. White, M. Chiu, Deepa Thomas, A. Meles, V-N. Tram, S. Beckman, Hiroyuki Sako, N. Grau, S. W. Nam, D. Kawall, Takao Sakaguchi, A. Sen, M. Leitgab, D. Isenhower, Minghui Liu, C. Klein-Boesing, A. D. Frawley, M. Heffner, Kenneth Francis Read, H. Themann, Motoi Inaba, V. I. Kochetkov, R. M. Wright, A. Toia, T. Moon, M. Sarsour, Mate Csanad, A. Iordanova, S. Y. Han, L. Mašek, S. Huang, J. Murata, S. H. Aronson, Gerd Joachim Kunde, M. Nihashi, I. Shein, W. Holzmann, David D'Enterria, H. Kanou, Taku Gunji, H. Gong, J. Seele, K. Sedgwick, R. P. Pisani, M. Patel, F. Kajihara, Alberto Baldisseri, Mihael Makek, A. Deshpande, B. Sahlmueller, H. Delagrange, M. N. Wagner, S. Zhou, Y. J. Kim, Y. Watanabe, J. T. Mitchell, S. D. Rolnick, I. Younus, R. Seidl, Vladislav Manko, A. Soldatov, M. Slunečka, S. Hasegawa, A. Kiss, S. Belikov, Z. Yasin, Henner Buesching, Steve Edwards, Marcus Hohlmann, C. Vale, L. A. Linden Levy, B. S. Chang, A. Timilsina, J. Klay, K. O. Eyser, A. K. Purwar, K. Fujiwara, Y. L. Yamaguchi, F. Matathias, Kensuke Homma, E. Richardson, S. Mizuno, P. Constantin, S. Chernichenko, B. Bassalleck, M. Konno, H. W. Van Hecke, S. Bathe, Agneta Oskarsson, Y. Berdnikov, S. Wolin, R. Pak, S. H. Lee, Y. Akiba, C. McKinney, M. Mishra, S. Nagamiya, Vaclav Vrba, Klaus Johannes Reygers, N. Kamihara, Rui Wei, R. Armendariz, N. Apadula, C. Oakley, A. Drees, Y. Imazu, J. Kubart, Steven E. Skutnik, H. Qu, Hideki Hamagaki, K. Aoki, G. David, K. I. Hahn, K. Watanabe, C. A. Ogilvie, K. Shoji, M. Tomášek, T. K. Hemmick, P. W. Stankus, J. M. Durham, Yasuo Miake, P. Montuenga, C. R. Cleven, K. DeBlasio, L. Kochenda, M. Issah, C. Haegemann, Y. Inoue, T. Kempel, R. Pinson, K. Sakashita, D. Kotov, J. Egdemir, D. S. Jumper, Charles Maguire, Jason Kamin, S. P. Stoll, Kiyoshi Tanida, E. Kistenev, P. Lichtenwalner, H. Harada, J. Sun, H. Pei, S. S.E. Rosendahl, G. Bunce, H. J. Kim, A. Churyn, M. B. Deaton, D. Jouan, Y. Tanaka, E. Mannel, Nagahiro Saito, H. J. Moon, F. Staley, L. Baksay, R. Vértesi, J. E. Frantz, Dmitry Blau, E. J. Desmond, M. Togawa, E. Vazquez-Zambrano, J. Park, A. Rakotozafindrabe, M. Kasai, Y. Tsuchimoto, Y. Iwanaga, I. E. Yushmanov, Eun-Hee Kim, Alexei Khanzadeev, E. Stenlund, J. B. Choi, H. Sakata, Dipak Kumar Mishra, D. H. Kim, J. H. Bhom, T. V. Moukhanova, Zvi Hirsh Citron, H. Ge, K. Nakano, W. E. Sondheim, D. Ivanischev, K. Boyle, P. A. Rukoyatkin, and Tae-Yeon Lee

Subjects
Physics, Quark, Nuclear and High Energy Physics, Meson, Nuclear Theory, Strangeness, Phi meson, Baryon, Nuclear physics, Deuterium, High Energy Physics::Experiment, Impact parameter, Nuclear Experiment, Relativistic Heavy Ion Collider
Abstract

The PHENIX experiment at the Relativistic Heavy Ion Collider has performed a systematic study of K-S(0) and K*(0) meson production at midrapidity in p + p, d + Au, and Cu + Cu collisions at root s(NN) = 200 GeV. The K-S(0) and K*(0) mesons are reconstructed via their K-S(0) -> pi(0)(-> gamma gamma) pi(0)(-> gamma gamma) and K*(0) -> K-+/-pi(-/+) decay modes, respectively. The measured transverse-momentum spectra are used to determine the nuclear modification factor of K-S(0) and K*(0) mesons in d + Au and Cu + Cu collisions at different centralities. In the d + Au collisions, the nuclear modification factor of K-S(0) and K*(0) mesons is almost constant as a function of transverse momentum and is consistent with unity, showing that cold-nuclear-matter effects do not play a significant role in the measured kinematic range. In Cu + Cu collisions, within the uncertainties no nuclear modification is registered in peripheral collisions. In central collisions, both mesons show suppression relative to the expectations from the p + p yield scaled by the number of binary nucleon-nucleon collisions in the Cu + Cu system. In the p(T) range 2-5 GeV/c, the strange mesons (K-S(0), K*(0)) similarly to the phi meson with hidden strangeness, showan intermediate suppression between the more suppressed light quark mesons (pi(0)) and the nonsuppressed baryons (p, (p) over bar). At higher transverse momentum, p(T) > 5 GeV/c, production of all particles is similarly suppressed by a factor of approximate to 2.

Published
2014

16. Beam Energy and Centrality Dependence of Direct-Photon Emission from Ultrarelativistic Heavy-Ion Collisions.

Author

Adare A, Afanasiev S, Aidala C, Ajitanand NN, Akiba Y, Akimoto R, Al-Bataineh H, Alexander J, Alfred M, Al-Jamel A, Al-Ta'ani H, Angerami A, Aoki K, Apadula N, Aphecetche L, Aramaki Y, Armendariz R, Aronson SH, Asai J, Asano H, Aschenauer EC, Atomssa ET, Averbeck R, Awes TC, Azmoun B, Babintsev V, Bagoly A, Bai M, Baksay G, Baksay L, Baldisseri A, Bannier B, Barish KN, Barnes PD, Bassalleck B, Basye AT, Bathe S, Batsouli S, Baublis V, Bauer F, Baumann C, Baumgart S, Bazilevsky A, Belikov S, Belmont R, Bennett R, Berdnikov A, Berdnikov Y, Bhom JH, Bickley AA, Bjorndal MT, Blau DS, Boer M, Boissevain JG, Bok JS, Borel H, Boyle K, Brooks ML, Brown DS, Bryslawskyj J, Bucher D, Buesching H, Bumazhnov V, Bunce G, Burward-Hoy JM, Butsyk S, Camacho CM, Campbell S, Canoa Roman V, Caringi A, Castera P, Chai JS, Chang BS, Chang WC, Charvet JL, Chen CH, Chernichenko S, Chi CY, Chiba J, Chiu M, Choi IJ, Choi JB, Choi S, Choudhury RK, Christiansen P, Chujo T, Chung P, Churyn A, Chvala O, Cianciolo V, Citron Z, Cleven CR, Cobigo Y, Cole BA, Comets MP, Conesa Del Valle Z, Connors M, Constantin P, Csanád M, Csörgő T, Dahms T, Dairaku S, Danchev I, Danley TW, Das K, Datta A, Daugherity MS, David G, Dayananda MK, Deaton MB, Dehmelt K, Delagrange H, Denisov A, d'Enterria D, Deshpande A, Desmond EJ, Dharmawardane KV, Dietzsch O, Ding L, Dion A, Do JH, Donadelli M, D'Orazio L, Drachenberg JL, Drapier O, Drees A, Drees KA, Dubey AK, Durham JM, Durum A, Dutta D, Dzhordzhadze V, Edwards S, Efremenko YV, Egdemir J, Ellinghaus F, Emam WS, Engelmore T, Enokizono A, En'yo H, Espagnon B, Esumi S, Eyser KO, Fadem B, Fan W, Feege N, Fields DE, Finger M, Finger M, Fleuret F, Fokin SL, Forestier B, Fraenkel Z, Frantz JE, Franz A, Frawley AD, Fujiwara K, Fukao Y, Fung SY, Fusayasu T, Gadrat S, Gainey K, Gal C, Gallus P, Garg P, Garishvili A, Garishvili I, Gastineau F, Ge H, Germain M, Glenn A, Gong H, Gong X, Gonin M, Gosset J, Goto Y, Granier de Cassagnac R, Grau N, Greene SV, Grim G, Grosse Perdekamp M, Gunji T, Guo L, Gustafsson HÅ, Hachiya T, Hadj Henni A, Haegemann C, Haggerty JS, Hagiwara MN, Hahn KI, Hamagaki H, Hamblen J, Han R, Hanks J, Harada H, Hartouni EP, Haruna K, Harvey M, Hasegawa S, Haseler TOS, Hashimoto K, Haslum E, Hasuko K, Hayano R, He X, Heffner M, Hemmick TK, Hester T, Heuser JM, Hiejima H, Hill JC, Hill K, Hobbs R, Hodges A, Hohlmann M, Hollis RS, Holmes M, Holzmann W, Homma K, Hong B, Horaguchi T, Hori Y, Hornback D, Hotvedt N, Huang J, Huang S, Hur MG, Ichihara T, Ichimiya R, Iinuma H, Ikeda Y, Imai K, Imrek J, Inaba M, Inoue Y, Iordanova A, Isenhower D, Isenhower L, Ishihara M, Isobe T, Issah M, Isupov A, Ivanishchev D, Iwanaga Y, Jacak BV, Javani M, Ji Z, Jia J, Jiang X, Jin J, Jinnouchi O, Johnson BM, Jones T, Joo KS, Jouan D, Jumper DS, Kajihara F, Kametani S, Kamihara N, Kamin J, Kaneta M, Kaneti S, Kang BH, Kang JH, Kang JS, Kanou H, Kapustinsky J, Karatsu K, Kasai M, Kawagishi T, Kawall D, Kawashima M, Kazantsev AV, Kelly S, Kempel T, Khachatryan V, Khanzadeev A, Kijima KM, Kikuchi J, Kim A, Kim BI, Kim C, Kim DH, Kim DJ, Kim E, Kim EJ, Kim HJ, Kim KB, Kim M, Kim SH, Kim YJ, Kim YK, Kim YS, Kincses D, Kinney E, Kiriluk K, Kiss Á, Kistenev E, Kiyomichi A, Klatsky J, Klay J, Klein-Boesing C, Kleinjan D, Kline P, Kochenda L, Kochetkov V, Komatsu Y, Komkov B, Konno M, Koster J, Kotchetkov D, Kotov D, Kozlov A, Král A, Kravitz A, Krizek F, Kroon PJ, Kubart J, Kunde GJ, Kurgyis B, Kurihara N, Kurita K, Kurosawa M, Kweon MJ, Kwon Y, Kyle GS, Lacey R, Lai YS, Lajoie JG, Layton D, Lebedev A, Le Bornec Y, Leckey S, Lee B, Lee DM, Lee J, Lee KB, Lee KS, Lee MK, Lee SH, Lee SR, Lee T, Leitch MJ, Leite MAL, Leitgab M, Lenzi B, Leung YH, Lewis B, Lewis NA, Li X, Li X, Li XH, Lichtenwalner P, Liebing P, Lim H, Lim SH, Linden Levy LA, Liška T, Litvinenko A, Liu H, Liu MX, Lökös S, Love B, Lynch D, Maguire CF, Majoros T, Makdisi YI, Makek M, Malakhov A, Malik MD, Manion A, Manko VI, Mannel E, Mao Y, Mašek L, Masui H, Masumoto S, Matathias F, McCain MC, McCumber M, McGaughey PL, McGlinchey D, McKinney C, Means N, Mendoza M, Meredith B, Miake Y, Mibe T, Mignerey AC, Mihalik DE, Mikeš P, Miki K, Miller TE, Milov A, Mioduszewski S, Mishra DK, Mishra GC, Mishra M, Mitchell JT, Mitrovski M, Mitsuka G, Miyachi Y, Miyasaka S, Mohanty AK, Mohapatra S, Moon HJ, Moon T, Morino Y, Morreale A, Morrison DP, Morrow SI, Moss JM, Motschwiller S, Moukhanova TV, Mukhopadhyay D, Murakami T, Murata J, Mwai A, Nagae T, Nagamiya S, Nagashima K, Nagata Y, Nagle JL, Naglis M, Nagy MI, Nakagawa I, Nakamiya Y, Nakamura KR, Nakamura T, Nakano K, Nam S, Nattrass C, Nederlof A, Newby J, Nguyen M, Nihashi M, Niida T, Norman BE, Nouicer R, Novák T, Novitzky N, Nyanin AS, Nystrand J, Oakley C, O'Brien E, Oda SX, Ogilvie CA, Ohnishi H, Ojha ID, Oka M, Okada K, Omiwade OO, Onuki Y, Orjuela Koop JD, Osborn JD, Oskarsson A, Otterlund I, Ouchida M, Ozawa K, Pak R, Pal D, Palounek APT, Pantuev V, Papavassiliou V, Park BH, Park IH, Park J, Park S, Park SK, Park WJ, Pate SF, Patel L, Patel M, Pei H, Peng JC, Peng W, Pereira H, Perepelitsa DV, Peresedov V, Peressounko DY, PerezLara CE, Petti R, Pinkenburg C, Pisani RP, Proissl M, Purschke ML, Purwar AK, Qu H, Radzevich PV, Rak J, Rakotozafindrabe A, Ravinovich I, Read KF, Rembeczki S, Reuter M, Reygers K, Reynolds D, Riabov V, Riabov Y, Richardson E, Richford D, Rinn T, Roach D, Roche G, Rolnick SD, Romana A, Rosati M, Rosen CA, Rosendahl SSE, Rosnet P, Rowan Z, Rukoyatkin P, Runchey J, Ružička P, Rykov VL, Ryu SS, Sahlmueller B, Saito N, Sakaguchi T, Sakai S, Sakashita K, Sakata H, Sako H, Samsonov V, Sano M, Sano S, Sarsour M, Sato HD, Sato S, Sato T, Sawada S, Schmoll BK, Sedgwick K, Seele J, Seidl R, Semenov AY, Semenov V, Sen A, Seto R, Sharma D, Shea TK, Shein I, Shevel A, Shibata TA, Shigaki K, Shimomura M, Shohjoh T, Shoji K, Shukla P, Sickles A, Silva CL, Silvermyr D, Silvestre C, Sim KS, Singh BK, Singh CP, Singh V, Skoby MJ, Skutnik S, Slunečka M, Smith WC, Soldatov A, Soltz RA, Sondheim WE, Sorensen SP, Sourikova IV, Staley F, Stankus PW, Stenlund E, Stepanov M, Ster A, Stoll SP, Sugitate T, Suire C, Sukhanov A, Sullivan JP, Sun J, Sun Z, Sziklai J, Tabaru T, Takagi S, Takagui EM, Takahara A, Taketani A, Tanabe R, Tanaka KH, Tanaka Y, Taneja S, Tanida K, Tannenbaum MJ, Tarafdar S, Taranenko A, Tarján P, Tennant E, Themann H, Thomas D, Thomas TL, Tieulent R, Todoroki T, Togawa M, Toia A, Tojo J, Tomášek L, Tomášek M, Tomita Y, Torii H, Towell RS, Tram VN, Tserruya I, Tsuchimoto Y, Tsuji T, Tuli SK, Tydesjö H, Tyurin N, Ueda Y, Ujvari B, Vale C, Valle H, van Hecke HW, Vargyas M, Vazquez-Zambrano E, Veicht A, Velkovska J, Vértesi R, Vinogradov AA, Virius M, Vossen A, Vrba V, Vznuzdaev E, Wagner M, Walker D, Wang XR, Watanabe D, Watanabe K, Watanabe Y, Watanabe YS, Wei F, Wei R, Wessels J, White SN, Willis N, Winter D, Wolin S, Wong CP, Woody CL, Wright RM, Wysocki M, Xia B, Xie W, Xu C, Xu Q, Yamaguchi YL, Yamaura K, Yang R, Yanovich A, Yasin Z, Ying J, Yokkaichi S, Yoo JH, You Z, Young GR, Younus I, Yu H, Yushmanov IE, Zajc WA, Zaudtke O, Zelenski A, Zhang C, Zharko S, Zhou S, Zimamyi J, Zolin L, and Zou L

Abstract

The PHENIX collaboration presents first measurements of low-momentum (0.41  GeV/c) direct-photon yield dN_{γ}^{dir}/dη is a smooth function of dN_{ch}/dη and can be well described as proportional to (dN_{ch}/dη)^{α} with α≈1.25. This scaling behavior holds for a wide range of beam energies at the Relativistic Heavy Ion Collider and the Large Hadron Collider, for centrality selected samples, as well as for different A+A collision systems. At a given beam energy, the scaling also holds for high p_{T} (>5  GeV/c), but when results from different collision energies are compared, an additional sqrt[s_{NN}]-dependent multiplicative factor is needed to describe the integrated-direct-photon yield.

Published
2019
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17. Measurements of Elliptic and Triangular Flow in High-Multiplicity 3He+Au Collisions at √(s(NN))=200 GeV.

Author

Adare A, Afanasiev S, Aidala C, Ajitanand NN, Akiba Y, Akimoto R, Al-Bataineh H, Alexander J, Alfred M, Al-Ta'ani H, Andrews KR, Angerami A, Aoki K, Apadula N, Aphecetche L, Appelt E, Aramaki Y, Armendariz R, Aronson SH, Asai J, Asano H, Aschenauer EC, Atomssa ET, Averbeck R, Awes TC, Azmoun B, Babintsev V, Bai M, Baksay G, Baksay L, Baldisseri A, Bandara NS, Bannier B, Barish KN, Barnes PD, Bassalleck B, Basye AT, Bathe S, Batsouli S, Baublis V, Baumann C, Bazilevsky A, Beaumier M, Beckman S, Belikov S, Belmont R, Ben-Benjamin J, Bennett R, Berdnikov A, Berdnikov Y, Bhom JH, Bickley AA, Blau DS, Boissevain JG, Bok JS, Borel H, Boyle K, Brooks ML, Broxmeyer D, Bryslawskyj J, Buesching H, Bumazhnov V, Bunce G, Butsyk S, Camacho CM, Campbell S, Caringi A, Castera P, Chang BS, Chang WC, Charvet JL, Chen CH, Chernichenko S, Chi CY, Chiba J, Chiu M, Choi IJ, Choi JB, Choudhury RK, Christiansen P, Chujo T, Chung P, Churyn A, Chvala O, Cianciolo V, Citron Z, Cleven CR, Cole BA, Comets MP, Conesa del Valle Z, Connors M, Constantin P, Csanád M, Csörgő T, Dahms T, Dairaku S, Danchev I, Danley D, Das K, Datta A, Daugherity MS, David G, Dayananda MK, Deaton MB, DeBlasio K, Dehmelt K, Delagrange H, Denisov A, d'Enterria D, Deshpande A, Desmond EJ, Dharmawardane KV, Dietzsch O, Dion A, Diss PB, Do JH, Donadelli M, D'Orazio L, Drapier O, Drees A, Drees KA, Dubey AK, Durham JM, Durum A, Dutta D, Dzhordzhadze V, Edwards S, Efremenko YV, Egdemir J, Ellinghaus F, Emam WS, Engelmore T, Enokizono A, En'yo H, Esumi S, Eyser KO, Fadem B, Feege N, Fields DE, Finger M, Finger M Jr, Fleuret F, Fokin SL, Fraenkel Z, Frantz JE, Franz A, Frawley AD, Fujiwara K, Fukao Y, Fusayasu T, Gadrat S, Gal C, Gallus P, Garg P, Garishvili I, Ge H, Giordano F, Glenn A, Gong H, Gong X, Gonin M, Gosset J, Goto Y, Granier de Cassagnac R, Grau N, Greene SV, Grim G, Grosse Perdekamp M, Gu Y, Gunji T, Guo L, Gustafsson HÅ, Hachiya T, Hadj Henni A, Haegemann C, Haggerty JS, Hahn KI, Hamagaki H, Hamblen J, Hamilton HF, Han R, Han SY, Hanks J, Harada H, Harper C, Hartouni EP, Haruna K, Hasegawa S, Haseler TO, Hashimoto K, Haslum E, Hayano R, He X, Heffner M, Hemmick TK, Hester T, Hiejima H, Hill JC, Hobbs R, Hohlmann M, Hollis RS, Holzmann W, Homma K, Hong B, Horaguchi T, Hori Y, Hornback D, Hoshino T, Hotvedt N, Huang J, Huang S, Ichihara T, Ichimiya R, Iinuma H, Ikeda Y, Imai K, Imrek J, Inaba M, Inoue Y, Iordanova A, Isenhower D, Isenhower L, Ishihara M, Isobe T, Issah M, Isupov A, Ivanishchev D, Iwanaga Y, Jacak BV, Jezghani M, Jia J, Jiang X, Jin J, Jinnouchi O, John D, Johnson BM, Jones T, Joo KS, Jouan D, Jumper DS, Kajihara F, Kametani S, Kamihara N, Kamin J, Kanda S, Kaneta M, Kaneti S, Kang BH, Kang JH, Kang JS, Kanou H, Kapustinsky J, Karatsu K, Kasai M, Kawall D, Kawashima M, Kazantsev AV, Kempel T, Key JA, Khachatryan V, Khanzadeev A, Kijima KM, Kikuchi J, Kim A, Kim BI, Kim C, Kim DH, Kim DJ, Kim E, Kim EJ, Kim GW, Kim M, Kim SH, Kim YJ, Kim YK, Kimelman B, Kinney E, Kiriluk K, Kiss Á, Kistenev E, Kitamura R, Kiyomichi A, Klatsky J, Klay J, Klein-Boesing C, Kleinjan D, Kline P, Koblesky T, Kochenda L, Kochetkov V, Komkov B, Konno M, Koster J, Kotchetkov D, Kotov D, Kozlov A, Král A, Kravitz A, Kubart J, Kunde GJ, Kurihara N, Kurita K, Kurosawa M, Kweon MJ, Kwon Y, Kyle GS, Lacey R, Lai YS, Lajoie JG, Layton D, Lebedev A, Lee DM, Lee J, Lee KB, Lee KS, Lee MK, Lee S, Lee SH, Lee SR, Lee T, Leitch MJ, Leite MA, Lenzi B, Li X, Lichtenwalner P, Liebing P, Lim SH, Linden Levy LA, Liška T, Litvinenko A, Liu H, Liu MX, Love B, Lynch D, Maguire CF, Makdisi YI, Makek M, Malakhov A, Malik MD, Manion A, Manko VI, Mannel E, Mao Y, Mašek L, Masui H, Matathias F, McCumber M, McGaughey PL, McGlinchey D, McKinney C, Means N, Meles A, Mendoza M, Meredith B, Miake Y, Mibe T, Mignerey AC, Mikeš P, Miki K, Miller TE, Milov A, Mioduszewski S, Mishra DK, Mishra M, Mitchell JT, Mitrovski M, Miyachi Y, Miyasaka S, Mizuno S, Mohanty AK, Montuenga P, Moon HJ, Moon T, Morino Y, Morreale A, Morrison DP, Motschwiller S, Moukhanova TV, Mukhopadhyay D, Murakami T, Murata J, Mwai A, Nagamiya S, Nagashima K, Nagata Y, Nagle JL, Naglis M, Nagy MI, Nakagawa I, Nakagomi H, Nakamiya Y, Nakamura KR, Nakamura T, Nakano K, Nam S, Nattrass C, Netrakanti PK, Newby J, Nguyen M, Nihashi M, Niida T, Nishimura S, Norman BE, Nouicer R, Novak T, Novitzky N, Nyanin AS, Oakley C, O'Brien E, Oda SX, Ogilvie CA, Ohnishi H, Oka M, Okada K, Omiwade OO, Onuki Y, Orjuela Koop JD, Osborn JD, Oskarsson A, Ouchida M, Ozawa K, Pak R, Pal D, Palounek AP, Pantuev V, Papavassiliou V, Park BH, Park IH, Park J, Park JS, Park S, Park SK, Park WJ, Pate SF, Patel L, Patel M, Pei H, Peng JC, Pereira H, Perepelitsa DV, Perera GD, Peresedov V, Peressounko DY, Perry J, Petti R, Pinkenburg C, Pinson R, Pisani RP, Proissl M, Purschke ML, Purwar AK, Qu H, Rak J, Rakotozafindrabe A, Ramson BJ, Ravinovich I, Read KF, Rembeczki S, Reuter M, Reygers K, Reynolds D, Riabov V, Riabov Y, Richardson E, Rinn T, Roach D, Roche G, Rolnick SD, Romana A, Rosati M, Rosen CA, Rosendahl SS, Rosnet P, Rowan Z, Rubin JG, Rukoyatkin P, Ružička P, Rykov VL, Sahlmueller B, Saito N, Sakaguchi T, Sakai S, Sakashita K, Sakata H, Sako H, Samsonov V, Sano S, Sarsour M, Sato S, Sato T, Savastio M, Sawada S, Schaefer B, Schmoll BK, Sedgwick K, Seele J, Seidl R, Semenov AY, Semenov V, Sen A, Seto R, Sett P, Sexton A, Sharma D, Shein I, Shevel A, Shibata TA, Shigaki K, Shim HH, Shimomura M, Shoji K, Shukla P, Sickles A, Silva CL, Silvermyr D, Silvestre C, Sim KS, Singh BK, Singh CP, Singh V, Skutnik S, Slunečka M, Snowball M, Sodre T, Soldatov A, Soltz RA, Sondheim WE, Sorensen SP, Sourikova IV, Staley F, Stankus PW, Stenlund E, Stepanov M, Ster A, Stoll SP, Sugitate T, Suire C, Sukhanov A, Sumita T, Sun J, Sziklai J, Tabaru T, Takagi S, Takagui EM, Takahara A, Taketani A, Tanabe R, Tanaka Y, Taneja S, Tanida K, Tannenbaum MJ, Tarafdar S, Taranenko A, Tarján P, Tennant E, Themann H, Thomas D, Thomas TL, Tieulent R, Timilsina A, Todoroki T, Togawa M, Toia A, Tojo J, Tomášek L, Tomášek M, Tomita Y, Torii H, Towell CL, Towell R, Towell RS, Tram VN, Tserruya I, Tsuchimoto Y, Utsunomiya K, Vale C, Valle H, van Hecke HW, Vazquez-Zambrano E, Veicht A, Velkovska J, Vértesi R, Vinogradov AA, Virius M, Vossen A, Vrba V, Vznuzdaev E, Wagner M, Walker D, Wang XR, Watanabe D, Watanabe K, Watanabe Y, Watanabe YS, Wei F, Wei R, Wessels J, White AS, White SN, Winter D, Woody CL, Wright RM, Wysocki M, Xia B, Xie W, Xue L, Yalcin S, Yamaguchi YL, Yamaura K, Yang R, Yanovich A, Yasin Z, Ying J, Yokkaichi S, Yoo JH, Yoo JS, Yoon I, You Z, Young GR, Younus I, Yu H, Yushmanov IE, Zajc WA, Zaudtke O, Zelenski A, Zhang C, Zhou S, Zimamyi J, Zolin L, and Zou L

Abstract

We present the first measurement of elliptic (v(2)) and triangular (v(3)) flow in high-multiplicity (3)He+Au collisions at √(s(NN))=200  GeV. Two-particle correlations, where the particles have a large separation in pseudorapidity, are compared in (3)He+Au and in p+p collisions and indicate that collective effects dominate the second and third Fourier components for the correlations observed in the (3)He+Au system. The collective behavior is quantified in terms of elliptic v(2) and triangular v(3) anisotropy coefficients measured with respect to their corresponding event planes. The v(2) values are comparable to those previously measured in d+Au collisions at the same nucleon-nucleon center-of-mass energy. Comparisons with various theoretical predictions are made, including to models where the hot spots created by the impact of the three (3)He nucleons on the Au nucleus expand hydrodynamically to generate the triangular flow. The agreement of these models with data may indicate the formation of low-viscosity quark-gluon plasma even in these small collision systems.

Published
2015
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