Description |
Physics motivation of charged lepton fla-
vor violation (cLFV) with muons, which has attracted
much attention from particle physics theorists and ex-
perimentalists, is discussed. The experimental pro-
gram at J-PARC (COMET) to search for muon to
electron conversion, which is one of the cLFV pro-
cesses, at a sensitivity of better than 10−16 is presented.
The COMET experiment is stage-1 approved at J-
PARC. Future prospect to search for the same process
at a sensitivity of better than 10−18 (PRISM/PRIME)
is also mentioned. And the R&D for the COMET
and PRISM will be given, together with the on-going
project to construct a muon source of 108 muon/sec at
Osaka University (the MUSIC project)
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