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Direct photon production in d+Au collisions at root s(NN)=200 GeV

Adare, A.; Adler, S. S.; Afanasiev, S.; Aidala, C.; Ajitanand, N. N.; Akiba, Y.; Al-Bataineh, H.; Al-Jamel, A.; Alexander, J. and Angerami, A., et al. (2013) In Physical Review C (Nuclear Physics) 87(5).
Abstract
Direct photons have been measured in root s(NN) = 200 GeV d + Au collisions at midrapidity. A wide p(T) range is covered by measurements of nearly real virtual photons (1 < p(T) < 6 GeV/c) and real photons (5 < p(T) < 16 GeV/c). The invariant yield of the direct photons in d + Au collisions over the scaled p + p cross section is consistent with unity. Theoretical calculations assuming standard cold-nuclear-matter effects describe the data well for the entire p(T) range. This indicates that the large enhancement of direct photons observed in Au + Au collisions for 1.0 < p(T) < 2.5 GeV/c is attributable to a source other than the initial-state nuclear effects.
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Physical Review C (Nuclear Physics)
volume
87
issue
5
publisher
American Physical Society
external identifiers
  • wos:000319205700003
  • scopus:84878705686
ISSN
0556-2813
DOI
10.1103/PhysRevC.87.054907
language
English
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yes
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0b197360-68e2-4436-a481-c3c4447202bf (old id 3931644)
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2013-07-15 14:07:46
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2019-02-03 04:13:04
@article{0b197360-68e2-4436-a481-c3c4447202bf,
  abstract     = {Direct photons have been measured in root s(NN) = 200 GeV d + Au collisions at midrapidity. A wide p(T) range is covered by measurements of nearly real virtual photons (1 &lt; p(T) &lt; 6 GeV/c) and real photons (5 &lt; p(T) &lt; 16 GeV/c). The invariant yield of the direct photons in d + Au collisions over the scaled p + p cross section is consistent with unity. Theoretical calculations assuming standard cold-nuclear-matter effects describe the data well for the entire p(T) range. This indicates that the large enhancement of direct photons observed in Au + Au collisions for 1.0 &lt; p(T) &lt; 2.5 GeV/c is attributable to a source other than the initial-state nuclear effects.},
  articleno    = {054907},
  author       = {Adare, A. and Adler, S. S. and Afanasiev, S. and Aidala, C. and Ajitanand, N. N. and Akiba, Y. and Al-Bataineh, H. and Al-Jamel, A. and Alexander, J. and Angerami, A. and Aoki, K. and Apadula, N. and Aphecetche, L. and Aramaki, Y. and Armendariz, R. and Aronson, S. H. and Asai, J. 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 Baldisseri, A. and Barish, K. N. and Barnes, P. D. and Bassalleck, B. and Basye, A. T. and Bathe, S. and Batsouli, S. and Baublis, V. and Bauer, F. 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 Bjorndal, M. T. and Blau, D. S. and Boissevain, J. G. and Bok, J. S. and Borel, H. and Boyle, K. 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. 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V. and Kelly, S. and Kempel, T. and Khachaturov, B. and Khanzadeev, A. and Kijima, K. M. and Kim, A. and Kim, B. I. and Kim, D. H. and Kim, D. J. and Kim, E. and Kim, E. -J. and Kim, E. J. and Kim, G. -B. and Kim, H. J. and Kim, S. H. and Kim, Y. -J. and Kinney, E. and Kiriluk, K. and Kiss, A. . and Kistenev, E. and Kiyomichi, A. and Klay, J. and Klein-Boesing, C. and Kleinjan, D. and Kobayashi, H. and Kochenda, L. and Kochetkov, V. and Kohara, R. and Komkov, B. and Konno, M. and Koster, J. and Kotchetkov, D. and Kozlov, A. and Kral, A. and Kravitz, A. and Kroon, P. J. and Kuberg, C. H. and Kunde, G. J. and Kurita, K. and Kurosawa, M. and Kweon, M. J. and Kwon, Y. and Kyle, G. S. and Lacey, R. and Lai, Y. S. and Lajoie, J. G. and Layton, D. and Lebedev, A. and Le Bornec, Y. and Leckey, S. and Lee, D. M. and Lee, J. and Lee, K. B. and Lee, K. S. and Lee, T. and Leitch, M. J. and Leite, M. A. L. and Lenzi, B. and Li, X. and Li, X. 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F. and Rembeczki, S. and Reuter, M. and Reygers, K. and Riabov, V. and Riabov, Y. and Richardson, E. and Roach, D. and Roche, G. and Rolnick, S. D. and Romana, A. and Rosati, M. and Rosen, C. A. and Rosendahl, Sarah and Rosnet, P. and Rukoyatkin, P. and Ruzicka, P. and Rykov, V. L. and Ryu, S. S. and Sahlmueller, B. and Saito, N. and Sakaguchi, T. and Sakai, S. and Sakashita, K. and Samsonov, V. and Sanfratello, L. and Sano, S. and Santo, R. and Sato, H. D. and Sato, S. and Sato, T. and Sawada, S. and Schutz, Y. and Sedgwick, K. and Seele, J. and Seidl, R. and Semenov, A. Yu. and Semenov, V. and Seto, R. and Sharma, D. and Shea, T. K. 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 Soldatov, A. and Soltz, R. A. and Sondheim, W. E. and Sorensen, S. P. and Sourikova, I. 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  issn         = {0556-2813},
  language     = {eng},
  number       = {5},
  publisher    = {American Physical Society},
  series       = {Physical Review C (Nuclear Physics)},
  title        = {Direct photon production in d+Au collisions at root s(NN)=200 GeV},
  url          = {http://dx.doi.org/10.1103/PhysRevC.87.054907},
  volume       = {87},
  year         = {2013},
}