Publication: COMET Phase-I technical design report
Дата
2020
Авторы
Abramishvili, R.
Adamov, G.
Akhmetshin, R. R.
Allin, A.
Drutskoy, A.
Markin, O.
Rusinov, V.
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© 2020 The Author(s).The Technical Design for the COMET Phase-I experiment is presented in this paper. COMET is an experiment at J-PARC, Japan, which will search for neutrinoless conversion of muons into electrons in the field of an aluminum nucleus (μ-e conversion, μ-N → e-N); a lepton flavor-violating process. The experimental sensitivity goal for this process in the Phase-I experiment is 3.1 × 10-15, or 90% upper limit of a branching ratio of 7 × 10-15, which is a factor of 100 improvement over the existing limit. The expected number of background events is 0.032. To achieve the target sensitivity and background level, the 3.2 kW 8 GeV proton beam from J-PARC will be used. Two types of detectors, CyDet and StrECAL, will be used for detecting the μ-e conversion events, and for measuring the beam-related background events in view of the Phase-II experiment, respectively. Results from simulation on signal and background estimations are also described.
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COMET Phase-I technical design report / Abramishvili, R. [et al.] // Progress of Theoretical and Experimental Physics. - 2020. - 2020. - № 3. - 10.1093/ptep/ptz125
URI
https://www.doi.org/10.1093/ptep/ptz125
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