ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Suppose that an accretion disk around a compact object of mass M reaches high enough temperatures (~ 10 MeV) that infalling nuclei (particularly helium, because of its high abundance) are dissociated into protons and neutrons. (Evidence has appeared in y-ray lines that free neutrons are indeed ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/330236a0