Pionic Matrix Elements in Neutrinoless Double-Beta Decay

Details Pionic Matrix Elements in Neutrinoless Double-Beta Decay Pionic Matrix Elements in Neutrinoless Double-Beta Decay

1998-11-25

arxiv.org/abs/nucl-th/9811087v1

Phys.Rev. C59 (1999) 2293-2296

Physics

Nuclear Physics

Nuclear Theory

6 pages, latex

Scientific paper

10.1103/PhysRevC.59.2293

Physics beyond the standard model of electroweak interactions that violates lepton number will, in general, induce operators involving the quark and lepton fields that violate lepton number. I point out that some matrix elements of particular operators are known. In the limit of exact SU(3) flavor symmetry the operator overline{u} gamma_mu (1-gamma_5)d overline{u} gamma_mu (1-gamma_5)d is part of the ${\bf 27}$ representation responsible for Delta I=3/2 strangeness changing decays in the standard model. At leading order in the chiral expansion there is only one coupling constant that describes the weak interactions of the pseudo-Goldstone bosons induced by the 27 representation. The observed branching fraction for K+ to pi+ pi0 determines this coupling constant. Contributions of the form m_s log m_s are used to estimate SU(3) breaking corrections to the relation between K+ to pi+ pi0 and the pi- to pi+ e- e- interaction.

Affiliated with

Also associated with

No associations

Rating

Pionic Matrix Elements in Neutrinoless Double-Beta Decay 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 Pionic Matrix Elements in Neutrinoless Double-Beta Decay, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pionic Matrix Elements in Neutrinoless Double-Beta Decay will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-459146