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Spectra and ratios of identified particles in Au plus Au and d plus Au collisions at root s(NN)=200 GeV

Adare, A. ; Afanasiev, S. ; Aidala, C. ; Ajitanand, N. N. ; Akiba, Y. ; Al-Bataineh, H. ; Alexander, J. ; Angerami, A. ; Aoki, K. and Apadula, N. , et al. (2013) In Physical Review C (Nuclear Physics) 88(2).
Abstract
The transverse momentum (p(T)) spectra and ratios of identified charged hadrons (pi(+/-), K-+/-, p, (p) over bar) produced in root s(NN) = 200 GeV Au + Au and d + Au collisions are reported in five different centrality classes for each collision species. The measurements of pions and protons are reported up to p(T) = 6 GeV/c (5 GeV/c), and the measurements of kaons are reported up to p(T) = 4 GeV/c (3.5 GeV/c) in Au + Au (d + Au) collisions. In the intermediate p(T) region, between 2 and 5 GeV/c, a significant enhancement of baryon-to-meson ratios compared to those measured in p + p collisions is observed. This enhancement is present in both Au + Au and d + Au collisions and increases as the collisions become more central. We compare a... (More)
The transverse momentum (p(T)) spectra and ratios of identified charged hadrons (pi(+/-), K-+/-, p, (p) over bar) produced in root s(NN) = 200 GeV Au + Au and d + Au collisions are reported in five different centrality classes for each collision species. The measurements of pions and protons are reported up to p(T) = 6 GeV/c (5 GeV/c), and the measurements of kaons are reported up to p(T) = 4 GeV/c (3.5 GeV/c) in Au + Au (d + Au) collisions. In the intermediate p(T) region, between 2 and 5 GeV/c, a significant enhancement of baryon-to-meson ratios compared to those measured in p + p collisions is observed. This enhancement is present in both Au + Au and d + Au collisions and increases as the collisions become more central. We compare a class of peripheral Au + Au collisions with a class of central d + Au collisions which have a comparable number of participating nucleons and binary nucleon-nucleon collisions. The p(T)-dependent particle ratios for these classes display a remarkable similarity, which is then discussed. (Less)
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review C (Nuclear Physics)
volume
88
issue
2
article number
024906
publisher
American Physical Society
external identifiers
  • wos:000323487400003
  • scopus:84884522280
ISSN
0556-2813
DOI
10.1103/PhysRevC.88.024906
language
English
LU publication?
yes
id
beb14983-7775-434a-a30e-caf9700cd20a (old id 4062978)
date added to LUP
2016-04-01 13:55:48
date last changed
2023-01-04 01:45:17
@article{beb14983-7775-434a-a30e-caf9700cd20a,
  abstract     = {{The transverse momentum (p(T)) spectra and ratios of identified charged hadrons (pi(+/-), K-+/-, p, (p) over bar) produced in root s(NN) = 200 GeV Au + Au and d + Au collisions are reported in five different centrality classes for each collision species. The measurements of pions and protons are reported up to p(T) = 6 GeV/c (5 GeV/c), and the measurements of kaons are reported up to p(T) = 4 GeV/c (3.5 GeV/c) in Au + Au (d + Au) collisions. In the intermediate p(T) region, between 2 and 5 GeV/c, a significant enhancement of baryon-to-meson ratios compared to those measured in p + p collisions is observed. This enhancement is present in both Au + Au and d + Au collisions and increases as the collisions become more central. We compare a class of peripheral Au + Au collisions with a class of central d + Au collisions which have a comparable number of participating nucleons and binary nucleon-nucleon collisions. The p(T)-dependent particle ratios for these classes display a remarkable similarity, which is then discussed.}},
  author       = {{Adare, A. and Afanasiev, S. and Aidala, C. and Ajitanand, N. N. and Akiba, Y. and Al-Bataineh, H. and Alexander, J. and Angerami, A. and Aoki, K. and Apadula, N. and Aramaki, Y. and Atomssa, E. T. and Averbeck, R. and Awes, T. C. and Azmoun, B. and Babintsev, V. and Bai, M. and Baksay, G. and Baksay, L. and Barish, K. N. and Bassalleck, B. and Basye, A. T. and Bathe, S. and Baublis, V. and Baumann, C. and Bazilevsky, A. and Belikov, S. and Belmont, R. and Bennett, R. and Berdnikov, A. and Berdnikov, Y. and Bhom, J. H. and Bickley, A. A. and Blau, D. S. and Bok, J. S. and Boyle, K. and Brooks, M. L. and Buesching, H. and Bumazhnov, V. and Bunce, G. and Butsyk, S. and Camacho, C. M. and Campbell, S. and Caringi, A. and Chen, C. -H. and Chi, C. Y. and Chiu, M. and Choi, I. J. and Choi, J. B. and Choudhury, R. K. and Christiansen, P. and Chujo, T. and Chung, P. and Chvala, O. and Cianciolo, V. and Citron, Z. and Cole, B. A. and del Valle, Z. Conesa and Connors, M. and Constantin, P. and Csanad, M. and Csoergo, T. and Dahms, T. and Dairaku, S. and Danchev, I. and Das, K. and Datta, A. and David, G. and Dayananda, M. K. and Denisov, A. and Deshpande, A. and Desmond, E. J. and Dharmawardane, K. V. and Dietzsch, O. and Dion, A. and Donadelli, M. and Drapier, O. and Drees, A. and Drees, K. A. and Durham, J. M. and Durum, A. and Dutta, D. and D'Orazio, L. and Edwards, S. and Efremenko, Y. V. and Ellinghaus, F. and Engelmore, T. and Enokizono, A. and En'yo, H. and Esumi, S. and Fadem, B. and Fields, D. E. and Finger, M. and Finger, M. Jr. and Fleuret, F. and Fokin, S. L. and Fraenkel, Z. and Frantz, J. E. and Franz, A. and Frawley, A. D. and Fujiwara, K. and Fukao, Y. and Fusayasu, T. and Garishvili, I. and Glenn, A. and Gong, H. and Gonin, M. and Goto, Y. and de Cassagnac, R. Granier and Grau, N. and Greene, S. V. and Grim, G. and Perdekamp, M. Grosse and Gunji, T. and Gustafsson, H. -A. and Haggerty, J. S. and Hahn, K. I. and Hamagaki, H. and Hamblen, J. and Han, R. and Hanks, J. and Hartouni, E. P. and Haslum, E. and Hayano, R. and He, X. and Heffner, M. and Hemmick, T. K. and Hester, T. and Hill, J. C. and Hohlmann, M. and Holzmann, W. and Homma, K. and Hong, B. and Horaguchi, T. and Hornback, D. and Huang, S. and Ichihara, T. and Ichimiya, R. and Ide, J. and Ikeda, Y. and Imai, K. and Inaba, M. and Isenhower, D. and Ishihara, M. and Isobe, T. and Issah, M. and Isupov, A. and Ivanischev, D. and Iwanaga, Y. and Jacak, B. V. and Jia, J. and Jiang, X. and Jin, J. and Johnson, B. M. and Jones, T. and Joo, K. S. and Jouan, D. and Jumper, D. S. and Kajihara, F. and Kametani, S. and Kamihara, N. and Kamin, J. and Kang, J. H. and Kapustinsky, J. and Karatsu, K. and Kasai, M. and Kawall, D. and Kawashima, M. and Kazantsev, A. V. and Kempel, T. and Khanzadeev, A. and Kijima, K. M. and Kikuchi, J. and Kim, A. and Kim, B. I. and Kim, D. H. and Kim, D. J. and Kim, E. and Kim, E. -J. and Kim, S. H. and Kim, Y. -J. and Kinney, E. and Kiriluk, K. and Kiss, A. and Kistenev, E. and Kleinjan, D. and Kochenda, L. and Komkov, B. and Konno, M. and Koster, J. and Kotchetkov, D. and Kozlov, A. and Kral, A. and Kravitz, A. and Kunde, G. J. and Kurita, K. and Kurosawa, M. and Kwon, Y. and Kyle, G. S. and Lacey, R. and Lai, Y. S. and Lajoie, J. G. and Lebedev, A. and Lee, D. M. and Lee, J. and Lee, K. and Lee, K. B. and Lee, K. S. and Leitch, M. J. and Leite, M. A. L. and Leitner, E. and Lenzi, B. and Li, X. and Lichtenwalner, P. and Liebing, P. and Levy, L. A. Linden and Liska, T. and Litvinenko, A. and Liu, H. and Liu, M. X. and Love, B. and Luechtenborg, R. and Lynch, D. and Maguire, C. F. and Makdisi, Y. I. and Malakhov, A. and Malik, M. D. and Manko, V. I. and Mannel, E. and Mao, Y. and Masui, H. and Matathias, F. and McCumber, M. and McGaughey, P. L. and McGlinchey, D. and Means, N. and Meredith, B. and Miake, Y. and Mibe, T. and Mignerey, A. C. and Mikes, P. and Miki, K. and Milov, A. and Mishra, M. and Mitchell, J. T. and Mohanty, A. K. and Moon, H. J. and Morino, Y. and Morreale, A. and Morrison, D. P. and Moukhanova, T. V. and Murakami, T. and Murata, J. and Nagamiya, S. and Nagle, J. L. and Naglis, M. and Nagy, M. I. and Nakagawa, I. and Nakamiya, Y. and Nakamura, K. R. and Nakamura, T. and Nakano, K. and Nam, S. and Newby, J. and Nguyen, M. and Nihashi, M. and Nouicer, R. and Nyanin, A. S. and Oakley, C. and O'Brien, E. and Oda, S. X. and Ogilvie, C. A. and Oka, M. and Okada, K. and Onuki, Y. and Oskarsson, A. and Ouchida, M. and Ozawa, K. and Pak, R. and Pantuev, V. and Papavassiliou, V. and Park, I. H. and Park, J. and Park, S. K. and Park, W. J. and Pate, S. F. and Pei, H. and Peng, J. -C. and Pereira, H. and Peresedov, V. and Peressounko, D. Yu. and Petti, R. and Pinkenburg, C. and Pisani, R. P. and Proissl, M. and Purschke, M. L. and Purwar, A. K. and Qu, H. and Rak, J. and Rakotozafindrabe, A. and Ravinovich, I. and Read, K. F. and Rembeczki, S. and Reygers, K. and Riabov, V. and Riabov, Y. and Richardson, E. and Roach, D. and Roche, G. and Rolnick, S. D. and Rosati, M. and Rosen, C. A. and Rosendahl, S. S. E. and Rosnet, P. and Rukoyatkin, P. and Ruzicka, P. and Sahlmueller, B. and Saito, N. and Sakaguchi, T. and Sakashita, K. and Samsonov, V. and Sano, S. and Sato, T. and Sawada, S. and Sedgwick, K. and Seele, J. and Seidl, R. and Semenov, A. Yu. and Seto, R. and Sharma, D. and Shein, I. and Shibata, T. -A. and Shigaki, K. and Shimomura, M. and Shoji, K. and Shukla, P. and Sickles, A. and Silva, C. L. and Silvermyr, D. and Silvestre, C. and Sim, K. S. and Singh, B. K. and Singh, C. P. and Singh, V. and Slunecka, M. and Soltz, R. A. and Sondheim, W. E. and Sorensen, S. P. and Sourikova, I. V. and Sparks, N. A. and Stankus, P. W. and Stenlund, Evert and Stoll, S. P. and Sugitate, T. and Sukhanov, A. and Sziklai, J. and Takagui, E. M. and Taketani, A. and Tanabe, R. and Tanaka, Y. and Taneja, S. and Tanida, K. and Tannenbaum, M. J. and Tarafdar, S. and Taranenko, A. and Tarjan, P. and Themann, H. and Thomas, D. and Thomas, T. L. and Togawa, M. and Toia, A. and Tomasek, L. and Torii, H. and Towell, R. S. and Tserruya, I. and Tsuchimoto, Y. and Vale, C. and Valle, H. and van Hecke, H. W. and Vazquez-Zambrano, E. and Veicht, A. and Velkovska, J. and Vertesi, R. and Vinogradov, A. A. and Virius, M. and Vrba, V. and Vznuzdaev, E. and Wang, X. R. and Watanabe, D. and Watanabe, K. and Watanabe, Y. and Wei, F. and Wei, R. and Wessels, J. and White, S. N. and Winter, D. and Wood, J. P. and Woody, C. L. and Wright, R. M. and Wysocki, M. and Xie, W. and Yamaguchi, Y. L. and Yamaura, K. and Yang, R. and Yanovich, A. and Ying, J. and Yokkaichi, S. and You, Z. and Young, G. R. and Younus, I. and Yushmanov, I. E. and Zajc, W. A. and Zhang, C. and Zhou, S. and Zolin, L.}},
  issn         = {{0556-2813}},
  language     = {{eng}},
  number       = {{2}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review C (Nuclear Physics)}},
  title        = {{Spectra and ratios of identified particles in Au plus Au and d plus Au collisions at root s(NN)=200 GeV}},
  url          = {{http://dx.doi.org/10.1103/PhysRevC.88.024906}},
  doi          = {{10.1103/PhysRevC.88.024906}},
  volume       = {{88}},
  year         = {{2013}},
}