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COMET Phase-I Technical Design Report
- Source :
- Progress of Theoretical and Experimental Physics, Volume 2020, Issue 3, March 2020, 033C01
- Publication Year :
- 2018
-
Abstract
- 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 aluminium nucleus ($\mu-e$ conversion, $\mu^- N \to e^- N$); a lepton flavor violating process. The experimental sensitivity goal for this process in the Phase-I experiment is $3.1\times10^{-15}$, or 90 % upper limit of branching ratio of $7\times 10^{-15}$, 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 \mue 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.<br />Comment: A minor correction applied in Eq. 3
- Subjects :
- Physics - Instrumentation and Detectors
High Energy Physics - Experiment
Subjects
Details
- Database :
- arXiv
- Journal :
- Progress of Theoretical and Experimental Physics, Volume 2020, Issue 3, March 2020, 033C01
- Publication Type :
- Report
- Accession number :
- edsarx.1812.09018
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1093/ptep/ptz125