Implications of a very light pseudoscalar boson on lepton flavor violation
Journal Article
·
· Physical Review. D, Particles Fields
- Facultad de Ciencias Fisico Matematicas, Benemerita Universidad Autonoma de Puebla, Apartado Postal 1152, Puebla, Puebla (Mexico)
A long-lived very light pseudoscalar boson would favor lepton flavor violating transitions of charged leptons. Its implications on the l{sub i}{yields}l{sub j}{gamma}{gamma} and l{sub i}{yields}l{sub j}e{sup +}e{sup -} transitions are investigated. Assuming that 2m{sub e}<m{sub {phi}}<m{sub {mu}}, it is found that the inequality B(l{sub i}{yields}l{sub j}{gamma}{gamma})<B(l{sub i}{yields}l{sub j}e{sup +}e{sup -}) holds. The experimental constraints on the decays l{sub i}{yields}l{sub j}{gamma}, l{sub i}{yields}l{sub j}l{sub k}l{sub k}, and l{sub i}{yields}l{sub j}{gamma}{gamma} are used to bound the {phi}l{sub i}l{sub j} couplings.
- OSTI ID:
- 20774475
- Journal Information:
- Physical Review. D, Particles Fields, Vol. 72, Issue 11; Other Information: DOI: 10.1103/PhysRevD.72.117701; (c) 2005 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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