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

STAR Collaboration

doi:10.1103/PhysRevLett.87.262301

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

STAR Collaboration

Department of Physics

Research output: Contribution to journal › Article

Abstract

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.

Original language	English (US)
Pages (from-to)	262301-1-262301-2
Journal	Physical Review Letters
Volume	87
Issue number	26
DOIs	https://doi.org/10.1103/PhysRevLett.87.262301
State	Published - Dec 24 2001

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

Access to Document

10.1103/PhysRevLett.87.262301

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STAR Collaboration (2001). D- and ³He- production in √^sNN = 130GeV Au + Au collisions. Physical Review Letters, 87(26), 262301-1-262301-2. https://doi.org/10.1103/PhysRevLett.87.262301

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

abstract = "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.",

author = "{STAR Collaboration} and C. Adler and Z. Ahammed and C. Allgower and J. Amonett and Anderson, {B. D.} and M. Anderson and Averichev, {G. S.} and J. Balewski and O. Barannikova and Barnby, {L. S.} and J. Baudot and S. Bekele and Belaga, {V. V.} and R. Bellwied and J. Berger and H. Bichsel and Bland, {L. C.} and Blyth, {C. O.} and Bonner, {B. E.} and A. Boucham and A. Brandin and Cadman, {R. V.} and H. Caines and {Calder{\'o}n de la Barca S{\'a}nchez}, M. and A. Cardenas and J. Carroll and J. Castillo and M. Castro and D. Cebra and S. Chattopadhyay and Chen, {M. L.} and Y. Chen and Chernenko, {S. P.} and M. Cherney and A. Chikanian and B. Choi and W. Christie and Coffin, {J. P.} and Cormier, {T. M.} and Cramer, {J. G.} and Crawford, {H. J.} and M. DeMello and Deng, {W. S.} and Derevschikov, {A. A.} and L. Didenko and Draper, {J. E.} and Dunin, {V. B.} and Dunlop, {J. C.} and V. Eckardt and J. Seger",

year = "2001",

month = dec,

day = "24",

doi = "10.1103/PhysRevLett.87.262301",

language = "English (US)",

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T1 - D- and 3He- production in √sNN = 130GeV Au + Au collisions

AU - STAR Collaboration

AU - Adler, C.

AU - Ahammed, Z.

AU - Allgower, C.

AU - Amonett, J.

AU - Anderson, B. D.

AU - Anderson, M.

AU - Averichev, G. S.

AU - Balewski, J.

AU - Barannikova, O.

AU - Barnby, L. S.

AU - Baudot, J.

AU - Bekele, S.

AU - Belaga, V. V.

AU - Bellwied, R.

AU - Berger, J.

AU - Bichsel, H.

AU - Bland, L. C.

AU - Blyth, C. O.

AU - Bonner, B. E.

AU - Boucham, A.

AU - Brandin, A.

AU - Cadman, R. V.

AU - Caines, H.

AU - Calderón de la Barca Sánchez, M.

AU - Cardenas, A.

AU - Carroll, J.

AU - Castillo, J.

AU - Castro, M.

AU - Cebra, D.

AU - Chattopadhyay, S.

AU - Chen, M. L.

AU - Chen, Y.

AU - Chernenko, S. P.

AU - Cherney, M.

AU - Chikanian, A.

AU - Choi, B.

AU - Christie, W.

AU - Coffin, J. P.

AU - Cormier, T. M.

AU - Cramer, J. G.

AU - Crawford, H. J.

AU - DeMello, M.

AU - Deng, W. S.

AU - Derevschikov, A. A.

AU - Didenko, L.

AU - Draper, J. E.

AU - Dunin, V. B.

AU - Dunlop, J. C.

AU - Eckardt, V.

AU - Seger, J.

PY - 2001/12/24

Y1 - 2001/12/24

N2 - 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.

AB - 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.

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U2 - 10.1103/PhysRevLett.87.262301

DO - 10.1103/PhysRevLett.87.262301

M3 - Article

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VL - 87

SP - 262301-1-262301-2

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 26

ER -