scholarly journals Lepton number violation in theories with a large number of standard model copies

2011 ◽  
Vol 83 (5) ◽  
Author(s):  
Sergey Kovalenko ◽  
Heinrich Päs ◽  
Ivan Schmidt
Keyword(s):  
Standard Model ◽  
Lepton Number ◽  
Lepton Number Violation ◽  
Number Violation

scholarly journals BARYON AND LEPTON NUMBER VIOLATION WITH SCALAR BILINEARS

2002 ◽  
Vol 17 (33) ◽  
pp. 2221-2228 ◽  
Author(s):  
H. V. KLAPDOR-KLEINGROTHAUS ◽  
ERNEST MA ◽  
UTPAL SARKAR
Keyword(s):  
Standard Model ◽  
Beta Decay ◽  
Neutrinoless Double Beta Decay ◽  
Proton Decay ◽  
Lepton Number ◽  
Double Beta Decay ◽  
Lepton Number Violation ◽  
The Standard Model ◽  
Number Violation ◽  
Lepton Number Violating

We consider all possible scalar bilinears, which couple to two fermions of the standard model. The various baryon and lepton number violating couplings allowed by these exotic scalars are studied. We then discuss which are constrained by limits on proton decay (to a lepton and a meson as well as to three leptons), neutron–antineutron oscillations, and neutrinoless double beta decay.

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