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Strangelet search at RHIC

The STAR collaboration
Phys.Rev.C 76 (2007) 011901, 2007.

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 detector. We have sensitivity to metastable strangelets with lifetimes of order $\geq 0.1 ns$, in contrast to limits over ten times longer in AGS studies and longer still at the SPS. Upper limits of a few 10^{-6} to 10^{-7} per central Au+Au collision are set for strangelets with mass ${}^{>}_{\sim}30$ GeV/c^{2}.

  • Table 5


    Upper limit for neutral (Z=0) and charged (Z=5) strangelet as a function of mass.

  • Table 6


    Upper limit for charged (Z=1) strangelet as a function of lifetime.

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