The Role of Supernova Neutrinos on Molecular Homochirality

Details The Role of Supernova Neutrinos on Molecular Homochirality The Role of Supernova Neutrinos on Molecular Homochirality

Jun 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007oleb...37..253b&link_type=abstract

Origins of Life and Evolution of Biospheres, Volume 37, Issue 3, pp.253-257

Physics

4

Chiroselection, Chiral Molecules, Neutrino-Electron Scattering, Supernova Neutrinos

Scientific paper

Electroweak parity violating interaction between supernova (SN) neutrinos and electrons of a simple chiral molecule is studied related to the origin of molecular homochirality. Appearance of supernova remnants inside molecular clouds favours the interaction of SN-neutrinos with interstellar molecules, leading to a energetic difference between the two enantiomers of the order of 10 5 eV. This energetic difference is closer to the thermic energy of the interstellar medium, so molecular homochirality could be enhanced in molecular clouds containing supernova remnants inside it due to neutrino interaction.

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