Bounds on majoron emission from muon to electron conversion experiments
High Energy Physics - Phenomenology
2011-12-22 v2 High Energy Physics - Experiment
Abstract
In models where lepton number is considered to be a spontaneously-broken global symmetry a massless Goldstone boson, the majoron (J), appears. We describe a procedure to explore the muon-electron-majoron coupling using the results from mu-e conversion search experiments. To accomplish that, we determine how the energy spectrum of the muon decay into an electron and a majoron is modified by binding effects in a muonic atom. We find that the future mu-to-e conversion experiments may be able to produce bounds on the mu->eJ rate which are comparable with the present ones from direct searches.
Keywords
Cite
@article{arxiv.1110.2874,
title = {Bounds on majoron emission from muon to electron conversion experiments},
author = {Xavier Garcia i Tormo and Douglas Bryman and Andrzej Czarnecki and Matthew Dowling},
journal= {arXiv preprint arXiv:1110.2874},
year = {2011}
}
Comments
8 pages, 2 figures. v2:Minor changes (including a slight change in the title). Journal version