Production of Λ3H and Λ 4H in central 11.5 GeV/c Au + Pt heavy ion collisions

T. A. Armstrong, K. N. Barish, S. Batsouli, S. J. Bennett, M. Bertaina, A. Chikanian, S. D. Coe, T. M. Cormier, R. Davies, C. B. Dover, P. Fachini, B. Fadem, L. E. Finch, N. K. George, S. V. Greene, P. Haridas, J. C. Hill, A. S. Hirsch, R. Hoversten, H. Z. HuangH. Jaradat, B. S. Kumar, T. Lainis, J. G. Lajoie, R. A. Lewis, Q. Li, B. Libby, R. D. Majka, T. E. Miller, M. G. Munhoz, J. L. Nagle, I. A. Pless, J. K. Pope, N. T. Porile, C. A. Pruneau, M. S.Z. Rabin, J. D. Reid, A. Rimai, A. Rose, F. S. Rotondo, J. Sandweiss, R. P. Scharenberg, A. J. Slaughter, G. A. Smith, X. M.L. Tincknell, W. S. Toothacker, G. Van Buren, F. K. Wohn, Z. Xu

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Abstract

We present measurements from BNL AGS Experiment 864 of the Λ3H yield and of an upper limit on the Λ4H yield in central 11.5A GeV/c Au + Pt collisions. The measurements span a rapidity range from center of mass, y c.m., to yc.m. + 1 and a transverse momentum range of 0 < pt ≤ 1.5 GeV/c. We compare these results with E864 measurements of stable light nuclei and particle unstable nuclei yields of the same baryon number. The implications of these results for the coalescence of strange clusters are discussed.

Original languageEnglish
Article number024902
Pages (from-to)024902-1-024902-8
JournalPhysical Review C - Nuclear Physics
Volume70
Issue number2
DOIs
StatePublished - Aug 2004
Externally publishedYes

Funding

We gratefully acknowledge the efforts of the AGS staff in providing the beam. This work was supported in part by grants from the Department of Energy (DOE) High Energy Physics Division, the DOE Nuclear Physics Division, and the National Science Foundation.

FundersFunder number
DOE Nuclear Physics Division
National Science Foundation
U.S. Department of Energy

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