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The Study of Effective Mass Spectra of $\pi p$ Pairs in $\pi^-$ C-12 Interactions at $P$ ($\pi^-$) = 40-{GeV}/$c$

Anoshin, A.I. ; Lyubimov, V.B. ; Suleimanov, M.K. ; et al.
JINR-P1-80-313, 1980.
Inspire Record 154158 DOI 10.17182/hepdata.39306

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9 data tables

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THE MOST RAPID PIONS WERE EXCLUDED.

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INVESTIGATION OF PROPERTIES OF MANY PION SYSTEMS IN pi- p AND pi- n INTERACTIONS AT p = 40-GeV/c

Angelov, N.S. ; Grishin, V.G. ; Kvatadze, R.A. ;
Sov.J.Nucl.Phys. 31 (1980) 333, 1980.
Inspire Record 143367 DOI 10.17182/hepdata.18076

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19 data tables

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Precision Measurement of the Muon Momentum in Pion Decay at Rest

Daum, M. ; Eaton, G.H. ; Frosch, R. ; et al.
Phys.Lett.B 74 (1978) 126-129, 1978.
Inspire Record 122405 DOI 10.17182/hepdata.27473

A precision measurement of the μ + momentum in π + decay at rest has been made with a magnetic spectrometer. The result is p μ + = (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.

2 data tables

DECAY AT REST WAS STUDIED.

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New Determination of the Upper Limit for the Muon Neutrino Mass

Daum, M. ; Dubal, L. ; Eaton, G.H. ; et al.
Phys.Lett.B 60 (1976) 380-384, 1976.
Inspire Record 112895 DOI 10.17182/hepdata.27715

We have measured the muon momentum in pion decay at rest using a magnetic spectrometer. From the result, p μ + = (29.787±0.005) MeV/ c , we deduce a squared muon neutrino mass of (0.23±0.54) MeV 2 / c 4 .

1 data table

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