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Production of omega mesons at large transverse momenta in p+p and d+Au collisions at root S(NN) = 200 GeV

Adler, S. S. ; Afanasiev, S. ; Aidala, C. ; Ajitanand, N. N. ; Akiba, Y. ; Al-Jamel, A. ; Alexander, J. ; Aoki, K. ; Aphecetche, L. and Armendariz, R. , et al. (2007) In Physical Review C (Nuclear Physics) 75(5).
Abstract
The PHENIX experiment at RHIC has measured the invariant cross section for omega-meson production at midrapidity in the transverse momentum range 2.5 < p(T)< 9.25 GeV/c in p+p and d+Au collisions at root s(NN) = 200 GeV. Measurements in two decay channels (omega ->pi(0)pi(+)pi(-) and omega ->pi(0)gamma) yield consistent results, and the reconstructed omega mass agrees with the accepted value within the p(T) range of the measurements. The omega/pi(0) ratio is found to be 0.85 +/- 0.05(stat)+/- 0.09(sys) in p+p and 0.94 +/- 0.08(stat)+/- 0.12(sys) in d+Au collisions, independent of p(T). The nuclear modification factor R-dA(omega) is 1.03 +/- 0.12(stat)+/- 0.21(sys) and 0.83 +/- 0.21(stat)+/- 0.17(sys) in minimum bias and central... (More)
The PHENIX experiment at RHIC has measured the invariant cross section for omega-meson production at midrapidity in the transverse momentum range 2.5 < p(T)< 9.25 GeV/c in p+p and d+Au collisions at root s(NN) = 200 GeV. Measurements in two decay channels (omega ->pi(0)pi(+)pi(-) and omega ->pi(0)gamma) yield consistent results, and the reconstructed omega mass agrees with the accepted value within the p(T) range of the measurements. The omega/pi(0) ratio is found to be 0.85 +/- 0.05(stat)+/- 0.09(sys) in p+p and 0.94 +/- 0.08(stat)+/- 0.12(sys) in d+Au collisions, independent of p(T). The nuclear modification factor R-dA(omega) is 1.03 +/- 0.12(stat)+/- 0.21(sys) and 0.83 +/- 0.21(stat)+/- 0.17(sys) in minimum bias and central (0-20%) d+Au collisions, respectively. (Less)
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review C (Nuclear Physics)
volume
75
issue
5
article number
051902
publisher
American Physical Society
external identifiers
  • wos:000246891100007
  • scopus:34547374460
ISSN
0556-2813
DOI
10.1103/PhysRevC.75.051902
language
English
LU publication?
yes
id
8207fba4-6418-4444-bf9b-c2958753633c (old id 650259)
date added to LUP
2016-04-01 15:52:28
date last changed
2023-01-04 19:45:36
@article{8207fba4-6418-4444-bf9b-c2958753633c,
  abstract     = {{The PHENIX experiment at RHIC has measured the invariant cross section for omega-meson production at midrapidity in the transverse momentum range 2.5 &lt; p(T)&lt; 9.25 GeV/c in p+p and d+Au collisions at root s(NN) = 200 GeV. Measurements in two decay channels (omega -&gt;pi(0)pi(+)pi(-) and omega -&gt;pi(0)gamma) yield consistent results, and the reconstructed omega mass agrees with the accepted value within the p(T) range of the measurements. The omega/pi(0) ratio is found to be 0.85 +/- 0.05(stat)+/- 0.09(sys) in p+p and 0.94 +/- 0.08(stat)+/- 0.12(sys) in d+Au collisions, independent of p(T). The nuclear modification factor R-dA(omega) is 1.03 +/- 0.12(stat)+/- 0.21(sys) and 0.83 +/- 0.21(stat)+/- 0.17(sys) in minimum bias and central (0-20%) d+Au collisions, respectively.}},
  author       = {{Adler, S. S. and Afanasiev, S. and Aidala, C. and Ajitanand, N. N. and Akiba, Y. and Al-Jamel, A. and Alexander, J. and Aoki, K. and Aphecetche, L. and Armendariz, R. and Aronson, S. H. and Averbeck, R. and Awes, T. C. and Babintsev, V. and Baldisseri, A. and Barish, K. N. and Barnes, P. D. and Bassalleck, B. and Bathe, S. and Batsouli, S. and Baublis, V. and Bauer, F. and Bazilevsky, A. and Belikov, S. and Bjorndal, M. T. and Boissevain, J. G. and Borel, H. and Brooks, M. L. and Brown, D. S. and Bruner, N. and Bucher, D. and Buesching, H. and Bumazhnov, V. and Bunce, G. and Burward-Hoy, J. M. and Butsyk, S. and Camard, X. and Chand, P. and Chang, W. C. and Chernichenko, S. and Chi, C. Y. and Chiba, J. and Chiu, M. and Choi, I. J. and Choudhury, R. K. and Chujo, T. and Cianciolo, V. and Cobigo, Y. and Cole, B. A. and Comets, M. P. and Constantin, P. and Csanad, M. and Csorgo, T. and Cussonneau, J. P. and d'Enterria, D. and Das, K. and David, G. and Deak, F. and Delagrange, H. and Denisov, A. and Deshpande, A. and Desmond, E. J. and Devismes, A. and Dietzsch, O. and Drachenberg, J. L. and Drapier, O. and Drees, A. and Durum, A. and Dutta, D. and Dzhordzhadze, V. and Efremenko, Y. V. and En'yo, H. and Espagnon, B. and Esumi, S. and Fields, D. E. and Finck, C. and Fleuret, F. and Fokin, S. L. and Fox, B. D. and Fraenkel, Z. and Frantz, J. E. and Franz, A. and Frawley, A. D. and Fukao, Y. and Fung, S.-Y. and Gadrat, S. and Germain, M. and Glenn, A. and Gonin, M. and Gosset, J. and Goto, Y. and de Cassagnac, R. Granier and Grau, N. and Greene, S. V. and Perdekamp, M. Gross and Gustafsson, Hans-Åke and Hachiya, T. and Haggerty, J. S. and Hamagaki, H. and Hansen, A. G. and Hartouni, E. P. and Harvey, M. and Hasuko, K. and Hayano, R. and He, X. and Heffner, M. and Hemmick, T. K. and Heuser, J. M. and Hidas, P. and Hiejima, H. and Hill, J. C. and Hobbs, R. and Holzmann, W. and Homma, K. and Hong, B. and Hoover, A. and Horaguchi, T. and Ichihara, T. and Ikonnikov, V. V. and Imai, K. and Inaba, M. and Inuzuka, M. and Isenhower, D. and Isenhower, L. and Ishihara, M. and Issah, M. and Isupov, A. and Jacak, B. V. and Jia, J. and Jinnouchi, O. and Johnson, B. M. and Johnson, S. C. and Joo, K. S. and Jouan, D. and Kajihara, F. and Kametani, S. and Kamihara, N. and Kaneta, M. and Kang, J. H. and Katou, K. and Kawabata, T. and Kazantsev, A. V. and Kelly, S. and Khachaturov, B. and Khanzadeev, A. and Kikuchi, J. and Kim, D. J. and Kim, E. and Kim, G.-B. and Kim, H. J. and Kinney, E. and Kiss, A. and Kistenev, E. and Kiyomichi, A. and Klein-Boesing, C. and Kobayashi, H. and Kochenda, L. and Kochetkov, V. and Kohara, R. and Komkov, B. and Konno, M. and Kotchetkov, D. and Kozlov, A. and Kroon, P. J. and Kuberg, C. H. and Kunde, G. J. and Kurita, K. and Kweon, M. J. and Kwon, Y. and Kyle, G. S. and Lacey, R. and Lajoie, J. G. and Le Bornec, Y. and Lebedev, A. and Leckey, S. and Lee, D. M. and Leitch, M. J. and Leite, M. A. L. and Li, X. H. and Lim, H. and Litvinenko, A. and Liu, M. X. and Maguire, C. F. and Makdisi, Y. I. and Malakhov, A. and Manko, V. I. and Mao, Y. and Martinez, G. and Masui, H. and Matathias, F. and Matsumoto, T. and McCain, M. C. and McGaughey, P. L. and Miake, Y. and Miller, T. E. and Milov, A. and Mioduszewski, S. and Mishra, G. C. and Mitchell, J. T. and Mohanty, A. K. and Morrison, D. P. and Moss, J. M. and Mukhopadhyay, D. and Muniruzzaman, M. and Nagamiya, S. and Nagle, J. L. and Nakamura, T. and Newby, J. and Nyanin, A. S. and Nystrand, Joakim and O'Brien, E. and Ogilvie, C. A. and Ohnishi, H. and Ojha, I. D. and Okada, H. and Okada, K. and Oskarsson, Anders and Otterlund, Ingvar and Oyama, K. and Ozawa, K. and Pal, D. and Palounek, A. P. T. and Pantuev, V. and Papavassiliou, V. and Park, J. and Park, W. J. and Pate, S. F. and Pei, H. and Penev, V. and Peng, J.-C. and Pereira, H. and Peresedov, V. and Pierson, A. and Pinkenburg, C. and Pisani, R. P. and Purschke, M. L. and Purwar, A. K. and Qualls, J. M. and Rak, J. and Ravinovich, I. and Read, K. F. and Reuter, M. and Reygers, K. and Riabov, V. and Riabov, Y. and Roche, G. and Romana, A. and Rosati, M. and Rosendahl, Sarah and Rosnet, P. and Rykov, V. L. and Ryu, S. S. and Saito, N. and Sakaguchi, T. and Sakai, S. and Samsonov, V. and Sanfratello, L. and Santo, R. and Sato, H. D. and Sato, S. and Sawada, S. and Schutz, Y. and Semenov, V. and Seto, R. and Shea, T. K. and Shein, I. and Shibata, T.-A. and Shigaki, K. and Shimomura, M. and Sickles, A. and Silva, C. L. and Silvermyr, David and Sim, K. S. and Soldatov, A. and Soltz, R. A. and Sondheim, W. E. and Sorensen, S. P. and Sourikova, I. V. and Staley, F. and Stankus, P. W. and Stenlund, Evert and Stepanov, M. and Ster, A. and Stoll, S. P. and Sugitate, T. and Sullivan, J. P. and Takagi, S. and Takagui, E. M. and Taketani, A. and Tanaka, K. H. and Tanaka, Y. and Tanida, K. and Tannenbaum, M. J. and Taranenko, A. and Tarjan, P. and Thomas, T. L. and Togawa, M. and Tojo, J. and Torii, H. and Towell, R. S. and Tram, V.-N. and Tserruya, I. and Tsuchimoto, Y. and Tydesjö, Henrik and Tyurin, N. and Uam, T. J. and Velkovska, J. and Velkovsky, M. and Veszpremi, V. and Vinogradov, A. A. and Volkov, M. A. and Vznuzdaev, E. and Wang, X. R. and Watanabe, Y. and White, S. N. and Willis, N. and Wohn, F. K. and Woody, C. L. and Xie, W. and Yanovich, A. and Yokkaichi, S. and Young, G. R. and Yushmanov, I. E. and Zajc, W. A. and Zhang, C. and Zhou, S. and Zimanyi, J. and Zolin, L. and Zong, X. and vanHecke, H. W.}},
  issn         = {{0556-2813}},
  language     = {{eng}},
  number       = {{5}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review C (Nuclear Physics)}},
  title        = {{Production of omega mesons at large transverse momenta in p+p and d+Au collisions at root S(NN) = 200 GeV}},
  url          = {{http://dx.doi.org/10.1103/PhysRevC.75.051902}},
  doi          = {{10.1103/PhysRevC.75.051902}},
  volume       = {{75}},
  year         = {{2007}},
}