A new scheme for the neutrino collision term valid from light to heavy mediator regimes, with smooth transition as the universe cools, for scalar-mediated NSI in Dirac and Majorana cases.
Dirac, Majorana and Weyl fermions
2 Pith papers cite this work. Polarity classification is still indexing.
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abstract
This is a pedagogical article which discusses various kinds of fermion fields: Dirac, Majorana and Weyl. The definitions and motivations for introducing each kind of fields is discussed, along with the connections between them. It is pointed out that these definitions have to do with the proper Lorentz group, and not with respect to any discrete symmetry. The relationship of discrete symmetries like charge conjugation and CP, particularly important for Majorana fermions, has also been clarified.
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fields
hep-ph 2years
2026 2verdicts
UNVERDICTED 2roles
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background 1representative citing papers
Computes tree-level two-body decays of heavy scalars in GNM and pseudoscalar lifetime in IDM limit.
citing papers explorer
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Towards a complete scheme of cosmological neutrino self-interactions: Collision term for a wide range of mediator masses
A new scheme for the neutrino collision term valid from light to heavy mediator regimes, with smooth transition as the universe cools, for scalar-mediated NSI in Dirac and Majorana cases.
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Decays of heavy scalars in the Grimus-Neufeld model
Computes tree-level two-body decays of heavy scalars in GNM and pseudoscalar lifetime in IDM limit.