D- and 3He- production in √sNN = 130GeV Au + Au collisions

STAR Collaboration

研究成果: Article査読

抄録

The first measurements of light antinucleus production in Au + Au collisions at the Relativistic Heavy-Ion Collider are reported. The observed production rates for d- and 3 He- are much larger than in lower energy nucleus-nucleus collisions. A coalescence model analysis of the yields indicates that there is little or no increase in the antinucleon freeze-out volume compared to collisions at CERN SPS energy. These analyses also indicate that the 3 He- freeze-out volume is smaller than the d- freeze-out volume.

本文言語English
ページ(範囲)262301-1-262301-2
ジャーナルPhysical review letters
87
26
DOI
出版ステータスPublished - 2001 12 24

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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