Michel decay spectrum for a muon bound to a nucleus

Czarnecki, Andrzej; Dowling, Matthew; Garcia Tormo, Xavier; Marciano, William J.; Szafron, Robert (2014). Michel decay spectrum for a muon bound to a nucleus. Physical review. D - particles, fields, gravitation, and cosmology, D90(9), 093002. Melville, N.Y.: American Physical Society 10.1103/PhysRevD.90.093002

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The spectrum of electrons from muons decaying in an atomic bound state is significantly modified by their interaction with the nucleus. Somewhat unexpectedly, its first measurement, at the Canadian laboratory TRIUMF, differed from basic theory. We show, using a combination of techniques developed in atomic, nuclear, and high-energy physics, that radiative corrections eliminate the discrepancy. In addition to solving that outstanding problem, our more precise predictions are potentially useful for interpreting future high-statistics muon experiments that aim to search for exotic interactions at 10−16 sensitivity.

Item Type:

Journal Article (Original Article)

Division/Institute:

10 Strategic Research Centers > Albert Einstein Center for Fundamental Physics (AEC)
08 Faculty of Science > Institute of Theoretical Physics

UniBE Contributor:

Garcia Tormo, Xavier

Subjects:

500 Science > 530 Physics

ISSN:

1550-7998

Publisher:

American Physical Society

Language:

English

Submitter:

Esther Fiechter

Date Deposited:

15 Dec 2014 09:50

Last Modified:

05 Feb 2016 12:18

Publisher DOI:

10.1103/PhysRevD.90.093002

BORIS DOI:

10.7892/boris.60806

URI:

https://boris.unibe.ch/id/eprint/60806

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