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http://arxiv.org/abs/1103.3312
In total 18 4He counts were detected at the STAR experiment at RHIC in 109 recorded Au+Au collisions at center-of-mass energies of 200 GeV and 62 GeV per nucleon-nucleon pair. The yield is consistent with expectations from thermodynamic and coalescent nucleosynthesis models, which has implications beyond nuclear physics.