Big Bang Nucleosynthesis and Primordial Black Holes

Details Big Bang Nucleosynthesis and Primordial Black Holes Big Bang Nucleosynthesis and Primordial Black Holes

2010-06-28

arxiv.org/abs/1006.5342v1

Physics

General Physics

2 pages, 7 equations

Scientific paper

There are ongoing efforts in detecting Hawking radiation from primordial black holes (PBH) formed during the early universe. Here we put an upper limit on the PBH number density that could have been formed prior to the big bang nucleosynthesis era, based on the constraint that the PBH evaporation energy consisting of high energy radiation not affect the observed abundances' of elements, by disintegrating the nuclei.

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