Antiproton production in p+A collisions at 14.6 GeV/c

T. Abbott, Y. Akiba, D. Beavis, M. A. Bloomer, P. D. Bond, Z. Chen, Y. Y. Chu, B. A. Cole, J. B. Costales, H. J. Crawford, J. B. Cumming, R. Debbe, J. Engelage, S. Y. Fung, S. Gushue, H. Hamagaki, O. Hansen, R. Hayano, S. Hayashi, S. HommaH. Z. Huang, Y. Ikeda, I. Juricic, J. Kang, S. Katcoff, S. Kaufman, K. Kimura, K. Kitamura, K. Kurita, R. J. Ledoux, M. J. Le Vine, Y. Miake, R. J. Morse, B. Moskowitz, S. Nagamiya, J. Olness, C. G. Parsons, L. P. Remsberg, D. Roehrich, H. Sakurai, M. Sarabura, P. Stankus, S. G. Steadman, G. S.F. Stephans, T. Sugitate, M. J. Tannenbaum, J. H. Van Dijk, F. Videbæk, M. Vient, P. Vincent, V. Vutsadakis, H. E. Wegner, D. S. Woodruff, Y. D. Wu, W. A. Zajc

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Antiproton production cross sections have been measured in minimum bias p+Be, p+Al, p+Cu, and p+Au collisions at 14.6 GeV/c with the E-802 spectrometer at the Brookhaven Alternating Gradient Synchrotron. The antiproton multiplicity at laboratory rapidities 1.0 to 1.6 shows almost no dependence upon the target mass. The p̄ production for p+Be is somewhat lower than an estimation based upon 19-24 GeV/c p+p data. In this rapidity interval the antiproton yield scales by a factor of 28±6 from p+Au to central Si+Au collisions.

Original languageEnglish
Pages (from-to)R1351-R1355
JournalPhysical Review C
Issue number4
Publication statusPublished - 1993

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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    Abbott, T., Akiba, Y., Beavis, D., Bloomer, M. A., Bond, P. D., Chen, Z., Chu, Y. Y., Cole, B. A., Costales, J. B., Crawford, H. J., Cumming, J. B., Debbe, R., Engelage, J., Fung, S. Y., Gushue, S., Hamagaki, H., Hansen, O., Hayano, R., Hayashi, S., ... Zajc, W. A. (1993). Antiproton production in p+A collisions at 14.6 GeV/c. Physical Review C, 47(4), R1351-R1355.