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$μ$-$e$ conversion experiments at J-PARC

by N. Teshima

Submission summary

As Contributors: Natsuki Teshima
Arxiv Link:
Date accepted: 2019-01-08
Date submitted: 2018-12-05
Submitted by: Teshima, Natsuki
Submitted to: SciPost Physics Proceedings
Domain(s): Experimental
Subject area: High-Energy Physics - Experiment


There are two plans of experiments to search for muon to electron ($\mu$-$e$) conversion at J-PARC, which are called DeeMe and COMET. The $\mu$-$e$ conversion is one of the charged lepton flavor violation processes. The processes are forbidden in the Standard Model, but some theories beyond the Standard Model predict relatively large branching ratios at orders of $10^{-12}$ to $10^{-17}$. DeeMe will be conducted with a sensitivity of $1\times10^{-13}$ using a carbon target for 1 year, and COMET will be done with that of $3\times10^{-15}$ in Phase-I. In this article, the current status of these two experiments will be presented.

Current status:
Publication decision taken: accept

Submission & Refereeing History

Resubmission 1811.05671v5 (5 December 2018)
Submission 1811.05671v1 (15 November 2018)

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