Strangelet search in Au+Au collisions at VsNN=200 GeV
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Publication date
2007
Authors
Bai, Y.
Benedosso, F.
Botje, M.A.J.
Grebenyuk, O.
Mischke, A.
Peitzmann, T.
Russcher, M.J.
Snellings, R.J.M.
van der Kolk, N.
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Abstract
We have searched for strangelets in a triggered sample of 61 million central (top 4%) Au+Au collisions at √sNN=200 GeV near beam rapidities at the STAR solenoidal tracker detector at the BNL Relativistic Heavy Ion Collider. We have sensitivity to metastable strangelets with lifetimes of order ⩾0.1 ns, in contrast to limits over ten times longer in BNL Alternating Gradient Synchrotron (AGS) studies and longer still at the CERN Super Proton Synchrotron (SPS). Upper limits of a few 10-6 to 10-7 per central Au+Au collision are set for strangelets with mass ≳30 GeV/c2.
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Bai, Y, Benedosso, F, Botje, M A J, Grebenyuk, O, Mischke, A, Peitzmann, T, Russcher, M J, Snellings, R J M & van der Kolk, N 2007, 'Strangelet search in Au+Au collisions at VsNN=200 GeV', Physical Review. C, Nuclear physics, vol. 76, no. 1, pp. 011901(R)/1-011901(R)/5.