Soft photon production in central 200 GeV/nucleon [Formula Presented]S + Au collisions

M. M. Aggarwal, A. L.S. Angelis, V. Antonenko, T. C. Awes, S. K. Badyal, C. Barlag, K. B. Bhalla, V. S. Bhatia, C. Blume, D. Bock, E. M. Bohne, D. Bucher, A. Buijs, S. Chattopadhyay, A. Claussen, G. Clewing, A. C. Das, L. Devanand, P. Dönni, E. DurieuxM. R. Dutta Majumdar, P. Foka, S. Fokin, M. S. Ganti, S. Garpman, F. Geurts, T. K. Ghosh, R. Glasow, S. K. Gupta, H. Gustafsson, H. H. Gutbrod, M. Hartig, He Xiaochun, G. Hölker, M. Ippolitov, M. Izycki, S. Kachroo, H. Kalechofsky, R. Kamermans, K. H. Kampert, K. Karadjev, B. W. Kolb, V. Kumar, I. Langbein, J. Langheinrich, A. Lebedev, H. Löhner, S. Lokanathan, V. Manko, M. Martin, I. S. Mittra, S. Mookerjee, H. Naef, S. K. Nayak, S. Nikolaev, J. Nystrand, F. E. Obenshain, A. Oskarsson, I. Otterlund, T. Peitzmann, F. Plasil, M. Purschke, S. Raniwala, N. K. Rao, L. Rosselet, B. Roters, J. M. Rubio, S. Saini, S. S. Sambyal, R. Santo, H. R. Schmidt, T. Siemiarczuk, R. Siemssen, B. C. Sinha, S. Slegt, K. Söderström, N. Solomey, S. P. Sorensen, G. Stefanek, P. Steinhaeuser, E. Stenlund, A. Ster, D. Stüken, M. D. Trivedi, C. Twenhoefel, N. van Eijndhoven, E. van Heeringen, A. Vinogradov, Y. P. Viyogi, S. Weber, G. R. Young

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Abstract

Inclusive photons of low transverse momenta have been measured in 200 GeV/nucleon [Formula Presented]S+Au collisions at the CERN SPS. Data were taken in the WA93 experiment using a small acceptance BGO detector with longitudinal segmentation. The results are compared to WA80 measurements for the same system and results from hadron decay calculations. An excess of soft photons over the expectations from neutral meson decays is observed.

Original languageEnglish
Pages (from-to)1160-1163
Number of pages4
JournalPhysical Review C - Nuclear Physics
Volume56
Issue number2
DOIs
Publication statusPublished - 1997
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Aggarwal, M. M., Angelis, A. L. S., Antonenko, V., Awes, T. C., Badyal, S. K., Barlag, C., Bhalla, K. B., Bhatia, V. S., Blume, C., Bock, D., Bohne, E. M., Bucher, D., Buijs, A., Chattopadhyay, S., Claussen, A., Clewing, G., Das, A. C., Devanand, L., Dönni, P., ... Young, G. R. (1997). Soft photon production in central 200 GeV/nucleon [Formula Presented]S + Au collisions. Physical Review C - Nuclear Physics, 56(2), 1160-1163. https://doi.org/10.1103/PhysRevC.56.1160