Asymmetric lepton production in a universe with non-zero baryon number

Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/3973

Title:	Asymmetric lepton production in a universe with non-zero baryon number
Authors:	Sivaram, C
Keywords:	Baryons Cosmic Rays Leptons Particle Production Stellar Evolution Black Holes (Astronomy) Electrons Main Sequence Stars Neutron Stars Positrons Supernovae
Issue Date:	Mar-1982
Publisher:	Springer
Citation:	Astrophysics and Space Science, Vol. 82, No. 2, pp. 485 - 488
Abstract:	Due to processes occurring during different stages of stellar evolution, a universe with a net baryon number develops an excess of neutrinos and positrons over antineutrinos of the same order as the observed relative strength of CP violation, over the course of a Hubble age. Since the neutrinos have a left-handed helicity, an initially symmetric universe would become weakly left-handed after a period of about 10 to the 10th years.
URI:	http://hdl.handle.net/2248/3973
ISSN:	0004-640X
Appears in Collections:	IIAP Publications

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