Big Bang Nucleosynthesis with Bound States of Long-lived Charged Particles

Details Big Bang Nucleosynthesis with Bound States of Long-lived Charged Particles Big Bang Nucleosynthesis with Bound States of Long-lived Charged Particles

2006-06-08

arxiv.org/abs/astro-ph/0606209v3

Phys.Rev.D74:103004,2006

Astronomy and Astrophysics

Astrophysics

5 pages; v2: references added, figure caption corrected; v3: references added

Scientific paper

10.1103/PhysRevD.74.103004

Charged particles (X) decaying after primordial nucleosynthesis are constrained by the requirement that their decay products should not change the light element abundances drastically. If the decaying particle is negatively charged (X-) then it will bind to the nuclei. We consider the effects of the decay of X when bound to Helium-4 and show that this will modify the Lithium abundances.

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