Muon Lifetime Measurement with the FAST Experiment: First Results
Journal Article
·
· AIP Conference Proceedings
- Universite de Geneve (Switzerland)
A first measurement of the positive muon lifetime--to a precision of 16 parts per million (ppm)--has been performed with the FAST detector at the Paul Scherrer Institute (PSI). The obtained result, compatible with the present world average and of comparable precision, is {tau}{sub {mu}{sup +}} = 2.197 083 (32) (15) {mu}s, the first error being statistical and the second systematic. The Fermi coupling constant G{sub F}, derived from the reported measurement of the muon lifetime, is G{sub F} = [1.166353 (9)]x10{sup -5} GeV{sup -2}.
- OSTI ID:
- 21055370
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 981; ISSN APCPCS; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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