New mechanism for leptogenesis

Details New mechanism for leptogenesis New mechanism for leptogenesis

1996-09-23

arxiv.org/abs/hep-ph/9609442v1

Phys.Rev.Lett. 77 (1996) 3292-3295

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, uses Revtex, includes one figure

Scientific paper

10.1103/PhysRevLett.77.3292

Unified theories containing a $U(1)_{B-L}$ gauge symmetry predict heavy Majorana right-handed neutrinos. In such theories, cosmic strings may form at the $B-L$ breaking scale. If the Higgs field forming the strings is also the Higgs field which gives mass to the right-handed neutrinos, there are right-handed neutrinos trapped as transverse zero modes in the core of the strings. When cosmic string loops decay, they release these neutrinos. This is an out-of-equilibrium process. The released neutrinos acquire heavy Majorana mass and decay into massless leptons and electroweak Higgs particles to produce a lepton asymmetry, which is converted into a baryon asymmetry via sphaleron transitions.

Affiliated with

Also associated with

No associations

Rating

New mechanism for leptogenesis does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with New mechanism for leptogenesis, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and New mechanism for leptogenesis will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-540887