scholarly journals Charged-lepton-flavour violation in the CMSSM in view of the muon anomalous magnetic moment

2001 ◽  
Vol 515 (3-4) ◽  
pp. 323-332 ◽  
Author(s):  
D.F. Carvalho ◽  
John Ellis ◽  
M.E. Gómez ◽  
S. Lola
2018 ◽  
Vol 182 ◽  
pp. 02090
Author(s):  
Swagata Mukherjee

Lepton flavour is a conserved quantity in the standard model of particle physics, but it does not follow from an underlying gauge symmetry. After the discovery of neutrino oscillation, it has been established that lepton flavour is not conserved in the neutral sector. Thus the lepton sector is an excellent place to look for New Physics, and in this perspective the Charged Lepton Flavour Violation is interesting. Various extensions of the standard model predict lepton flavour violating decays that can be observed at LHC. This report summarises several searches for lepton flavour violation with data collected by the CMS detector.


2020 ◽  
Vol 234 ◽  
pp. 01011 ◽  
Author(s):  
Angela Papa

The MEG experiment has recently set a new upper limit on the branching ratio of the µ+ → e+γ decay, ℬ(µ+ → e+γ) < 4.2 × 10−13 (at 90% confidence level) and un upgrade of the experiment (the MEGII experiment) is ongoing with the aim of improving the single event sensitivity (SES) by one order of magnitude with respect to the previous MEG experiment’s SES. The strong scientific motivation associated with the charged Lepton Flavour Violation (cLFV) searches pushes also towards searching for the complementary muon cLFV µ+ → e+e+e− decay with a completely new apparatus, the Mu3e experiment, aiming at a SES improved by at least three orders of magnitude with respect to the previous SINDRUM experiment’s SES (Mu3e phase I). An ultimate SES of few ×10−16 is foreseen requiring 109 µ/s (Mu3e phase II). Both experiments will be hosted at the Paul Scherrer Institut which currently delivers the most intense continuous low energy muon beam in the world up to few ×108 µ/s. The status of both the MEGII and Mu3e phase I experiments is given.


2018 ◽  
Author(s):  
A. Baldini ◽  
◽  
D. Glenzinski ◽  
F. Kapusta ◽  
Y. Kuno ◽  
...  

2000 ◽  
Vol 14 (2) ◽  
pp. 319-334 ◽  
Author(s):  
J. Ellis ◽  
M.E. Gómez ◽  
G.K. Leontaris ◽  
S. Lola ◽  
D.V. Nanopoulos

2000 ◽  
Vol 14 (2) ◽  
pp. 319 ◽  
Author(s):  
J. Ellis ◽  
M.E. Gómez ◽  
G.K. Leontaris ◽  
S. Lola ◽  
D.V. Nanopoulos

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