[Triumf-seminars] TRIUMF Seminar today at 14:00

[postmaster at admin.triumf.ca]

Date/Time: Wed 2010-04-28 at 14:00

Location:  Auditorium          

Speaker:   Masaharu Aoki (Osaka University)

Title:     mu-e conversion experiment with pulsed proton beam ---DeeMe---

Abstract: A new experiment searching for muon-electron conversion by fully utilizing the high-power pulsed proton beam available at J-PARC MLF will be discussed. Both a Monte Carlo simulation and a test measurement indicated that the muonic carbon atom formation rate in a muon target of MLF J-PARC is approximately 10^10/sec for 1 MW operation of the RCS. The muonic atom formation rate in an Aluminum muon stopper located close to the muon target will be more than 10^9/sec.  With this high formation rate of the muonic atoms, it is possible to perform a competitive search for muon-electron conversion from the muon stopper placed nearby the production target at the level of 10^-14, nearly two orders of magnitude improvements over the current limits. A new secondary beam line at the High-Momentum Decay Muon port will be dedicated to extract 105-MeV/c electrons from the muon stopper.  A high performance kicker system is used in the secondary beam line to eliminate the prompt beam burst.



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