Supernovae and Positron Annihilation

Details Supernovae and Positron Annihilation Supernovae and Positron Annihilation

2001-10-18

arxiv.org/abs/astro-ph/0110442v1

New Astron.Rev. 46 (2002) 553-558

Astronomy and Astrophysics

Astrophysics

7 pages, accepted for publication in New Astronomy Reviews (Astronomy with Radioactivites III)

Scientific paper

Radioactive nuclei, especially those created in SN explosion, have long been suggested to be important contributors of galactic positrons. In this paper we describe the findings of three independent OSSE/SMM/TGRS studies of positron annihilation radiation, demonstrating that the three studies are largely in agreement as to the distribution of galactic annihilation radiation. We then assess the predicted yields and distributions of SN-synthesized radionuclei, determining that they are marginally compatible with the findings of the annihilation radiation studies.

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