Is parity violation a cosmological evolution effect?

Details Is parity violation a cosmological evolution effect? Is parity violation a cosmological evolution effect?

May 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982phla...89..266n&link_type=abstract

Physics Letters A, Volume 89, Issue 5, p. 266-268.

Physics

Scientific paper

Primordial nucleosynthesis is used in order to investigate the possible cosmological dependence of the weak interaction. Specifically we consider the time dependence of the ratio of the vector and the axial vector coupling strengths. It is shown that the helium abundance depends critically in this ratio. We suggest that the parity violating process may be a consequence of the expansion of the universe.

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