A Relativistic Neutron Fireball from a Supernova Explosion as a Possible Source of Chiral Influence

Details A Relativistic Neutron Fireball from a Supernova Explosion as a Possible Source of Chiral Influence A Relativistic Neutron Fireball from a Supernova Explosion as a Possible Source of Chiral Influence

Jun 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007oleb...37..259g&link_type=abstract

Origins of Life and Evolution of Biospheres, Volume 37, Issue 3, pp.259-266

Physics

3

Chiral Dissymmetry, Circularly Polarized Photons, Neutron Fireball, Polarized Electrons, Supernova

Scientific paper

We elaborate on a previously proposed idea that polarized electrons produced from neutrons, released in a supernova (SN) explosion, can cause chiral dissymmetry of molecules in interstellar gas-dust clouds. A specific physical mechanism of a relativistic neutron fireball with Lorentz factor of the order of 100 is assumed for propelling a great number of free neutrons outside the dense SN shell. A relativistic chiral electron proton plasma, produced from neutron decays, is slowed down owing to collective effects in the interstellar plasma. As collective effects do not involve the particle spin, the electrons can carry their helicities to the cloud. The estimates show high chiral efficiency of such electrons. In addition to this mechanism, production of circularly polarized ultraviolet photons through polarized-electron bremsstrahlung at an early stage of the fireball evolution is considered. It is shown that these photons can escape from the fireball plasma. However, for an average density of neutrals in the interstellar medium of the order of 0.2 cm-3 and at distances of the order of 10 pc from the SN, these photons will be absorbed with a factor of about 10-7 due to the photoeffect. In this case, their chiral efficiency will be about five orders of magnitude less than that for polarized electrons.

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