Spin-independent two-neutrino exchange potential with mixing and CP violation

Le Thien, Quan (Physics Department, Wabash College, Crawfordsville, Indiana 47933, USA) ; Krause, Dennis E. (Physics Department, Wabash College, Crawfordsville, Indiana 47933, USA) (Department of Physics and Astronomy, Purdue University, West Lafayette, Indiana 47907, USA)

11 June 2019

Abstract: We develop a new approach for calculating the spin-independent two-neutrino exchange potential (2NEP) between nonrelativistic fermions which places emphasis on the neutrino vacuum state, an area of theoretical interest in recent years. The 2NEP is a natural probe of fundamental issues of neutrino physics such as neutrino masses, flavor mixing, the number of neutrino flavors, neutrino nature (Dirac or Majorana), CP violation, and the neutrino vacuum state. We explore the dependence of the 2NEP on the mixing of neutrino mass states assuming normal and inverted mass ordering for nucleon-nucleon, nucleon-lepton, and lepton-lepton interactions, and the CP-violation phase in the neutrino mixing matrix.

Published in: Physical Review D 99 (2019)
Published by: APS
DOI: 10.1103/PhysRevD.99.116006
License: CC-BY-4.0

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