Experimental Comparison of Neutrino and Muon Velocities

The velocities of neutrinos and muons originating from ..pi../sup +/ and K/sup +/ decays have been compared using the California Institute of Technology-Fermilab detector in a narrow-band neutrino beam. A time-of-flight comparison between positive muons and neutrinos, as indicated by the final-state...

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Veröffentlicht in:	Phys. Rev. Lett.; (United States) 1976-01, Vol.36 (15), p.837-840
Hauptverfasser:	Alspector, J., Kalbfleisch, G. R., Baggett, Neil, Fowler, Earle C., Barish, B. C., Bodek, A., Buchholz, D., Sciulli, F. J., Siskind, E. J., Stutte, L., Fisk, H. E., Krafczyk, G., Nease, D. L., Fackler, Orrin D.
Format:	Artikel
Sprache:	eng
Schlagworte:	645102 - High Energy Physics- Particle Interactions & Properties-Experimental- Weak Interactions & Properties ANTILEPTONS ANTIMATTER ANTIPARTICLES BASIC INTERACTIONS BOSONS DECAY ELEMENTARY PARTICLES FERMIONS HADRONS INTERACTIONS KAONS KAONS PLUS LEPTONIC DECAY LEPTONS MASSLESS PARTICLES MESONS MUON NEUTRINOS MUONS MUONS PLUS NEUTRINOS PARTICLE DECAY PHYSICS OF ELEMENTARY PARTICLES AND FIELDS PIONS PIONS PLUS PSEUDOSCALAR MESONS STRANGE PARTICLES VELOCITY WEAK INTERACTIONS WEAK PARTICLE DECAY
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Zusammenfassung:	The velocities of neutrinos and muons originating from ..pi../sup +/ and K/sup +/ decays have been compared using the California Institute of Technology-Fermilab detector in a narrow-band neutrino beam. A time-of-flight comparison between positive muons and neutrinos, as indicated by the final-state negative muons in neutrino interactions, yields absolute value(..beta../sub v/-..beta../sub ..mu..) < or = 0.4 x 10/sup -3/ (99% confidence level). We assume that absolute value (1-..beta../sub ..mu../)
ISSN:	0031-9007
DOI:	10.1103/PhysRevLett.36.837