6533b836fe1ef96bd12a1c0e
RESEARCH PRODUCT
ɛ-type contribution to baryon asymmetry from colored Higgs triplets
Francisco J. BotellaJ. Roldansubject
BaryonPhysicsParticle physicsBaryon asymmetryHigh Energy Physics::PhenomenologyHiggs bosonGrand Unified TheoryHigh Energy Physics::ExperimentElementary particleBaryon numberType (model theory)Mixing (physics)description
In scenarios where the cosmological baryon asymmetry is generated in the decay of heavy colored Higgs triplets at the one-loop level (at least two triplets are needed), it is shown that in addition to the conventional triangle loop ({epsilon}{prime}-type effect), a new kind of diagram must be considered. This new type of diagram has its origin in the mixing of the two Higgs fields ({epsilon}-type effect). The mixing of the two Higgs fields violates {ital CP} provided they have at least two common decay channels. For small mixing angles, the new contribution can be bigger than the conventional one.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1991-08-15 | Physical Review D |