期刊
PHYSICS LETTERS B
卷 643, 期 2, 页码 124-126出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2006.07.070
关键词
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We investigate how late-time entropy production weakens the big-bang nucleosynthesis (BBN) constraints on the gravitino as lightest superparticle with a charged slepton as next-to-lightest superparticle. We find that with a moderate amount of entropy production, the BBN constraints can be eluded for most of the parameter space relevant for the discovery of the gravitino. This is encouraging for experimental tests of supergravity at LHC and ILC. (c) 2006 Elsevier B.V. All rights reserved.
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