Particle production at high baryon density in central Au+Au reactions at 11.6[Formula Presented] GeV/[Formula Presented]

L. Ahle, Y. Akiba, K. Ashktorab, M. D. Baker, D. Beavis, H. C. Britt, J. Chang, C. Chasman, Z. Chen, C. Y. Chi, Y. Y. Chu, V. Cianciolo, B. A. Cole, H. J. Crawford, J. B. Cumming, R. Debbe, J. C. Dunlop, W. Eldredge, J. Engelage, S. Y. FungJ. J. Gaardhoje, E. Garcia, M. Gonin, S. Gushue, H. Hamagaki, A. Hansen, L. Hansen, R. S. Hayano, G. Heintzelman, S. Homma, E. Judd, H. Kaneko, J. Kang, E. J. Kim, A. Kumagai, K. Kurita, J. H. Lee, M. J. Levine, J. Luke, Y. Miake, A. Mignerey, D. Morrison, B. Moskowitz, M. Moulson, C. Muentz, S. Nagamiya, M. N. Namboodiri, C. A. Ogilvie, J. Olness, S. Park, L. P. Remsberg, P. Rothschild, H. Sako, T. C. Sangster, R. Seto, J. Shea, K. Shigaki, R. Soltz, S. G. Steadman, G. S.F. Stephans, T. Sung, M. J. Tannenbaum, J. H. Thomas, S. Tonse, S. Ueno-Hayashi, F. Videbæk, F. Wang, Y. Wang, Y. Wu, H. Xiang, G. H. Xu, K. Yagi, D. Zachary, W. A. Zajc, F. Zhu, Q. Zhu

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183 Citations (Scopus)

Abstract

Semi-inclusive proton and pion distributions from central Au+Au reactions at 11.6[Formula Presented] GeV/[Formula Presented] have been measured. The proton rapidity distribution shows significantly increased stopping compared to lighter systems, providing strong evidence for the formation of a state of matter with baryon density substantially greater than normal nuclear matter. Unlike reactions at this energy induced by lighter heavy ions, at low [Formula Presented] the proton invariant spectra deviate from a single exponential shape and become flatter, while [Formula Presented] spectra are found to rise faster than the [Formula Presented] spectra.

Original languageEnglish
Pages (from-to)R466-R470
JournalPhysical Review C - Nuclear Physics
Volume57
Issue number2
DOIs
Publication statusPublished - 1998

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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