Precision measurement of the muon momentum in pion decay at rest

Autor: Daum, M., Eaton, G.H., Frosch, R., Hirschmann, H., McCulloch, J., Minehart, R.C., Steiner, E.
Zdroj: Physics Letters B; March 1978, Vol. 74 Issue: 1-2 p126-129, 4p
Abstrakt: A precision measurement of the μ+momentum in π+decay at rest has been made with a magnetic spectrometer. The result is pμ+ = (29.7873 ± 0.0014) MeV/c. The consequences of thisresult for the rest masses of the muon neutrino and of the positive pion are discussed.
Databáze: Supplemental Index