MuSun - Muon Capture on the Deuteron

P. Kammel on behalf of the MuSun collaboration

SciPost Phys. Proc. 5, 018 (2021) · published 6 September 2021

Proceedings event

Review of Particle Physics at PSI


The MuSun experiment is a precision measurement of the rate for nuclear muon capture on the deuteron, designed to resolve a long-standing disagreement between experiment and theory, and to determine an important low-energy constant relevant for a variety of weak and strong dynamics. The experiment is based on a novel active target method employing a pure deuterium cryogenic time-projection chamber. The data taking was completed in two main campaigns and the analysis is well advanced. The unique chal- lenges and corresponding strategy of the experiment as well as the status of the analysis are presented.

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