On the neutrino vector and axial vector charge radius

Details On the neutrino vector and axial vector charge radius On the neutrino vector and axial vector charge radius

2002-12-18

arxiv.org/abs/hep-ph/0212266v1

AIP Conf.Proc. 670 (2003) 118-131

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 3 eps figures. Talk given in the X Mexican School of Particles and Fields, Playa del Carmen, Mexico, October 30 - Nov

Scientific paper

10.1063/1.1594325

A Majorana neutrino is characterized by just one flavor diagonal electromagnetic form factor: the anapole moment, that in the static limit corresponds to the axial vector charge radius . As is the case for the vector charge radius of a Dirac neutrino, proving that this is a well defined physical quantity is non trivial. I will first describe briefly the origin of the long standing controversy about the physical or non physical nature of the neutrino charge radius. Then I will argue that, in contrast to Dirac neutrino electromagnetic form factors, for Majorana neutrinos cosmological and astrophysical arguments do not provide useful informations on , and therefore this quantity has to be studied by means of terrestrial experiment. Finally, I will discuss the constraints that can be derived on for the tau neutrino from a comprehensive analysis of the data on single photon production off Z-resonance, and I will conclude with a few comments on $\nu_\mu$ scattering data from the NuTeV, E734, CCFR and CHARM-II collaborations and on the limits implied for for the muon neutrino.

Affiliated with

Also associated with

No associations

Rating

On the neutrino vector and axial vector charge radius 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 On the neutrino vector and axial vector charge radius, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and On the neutrino vector and axial vector charge radius will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-575679