Limit on tau neutrino mass
Description
Using the complete data sample of 300 pb/sup -1/ collected by the HRS spectrometer in e/sup +/e/sup -/ collisions at 29 GeV, mass limit for the tau neutrino is set. The end point of the hadronic mass spectrum is determined in the decays tau ..-->.. 5..pi../sup + -/nu/sub tau/ and tau ..-->.. 5..pi../sup + -/..pi../sup 0/nu/sub tau/. At 95% confidence level, an upper limit of M/sub nu/sub tau// < 76 MeV/c/sup 2/, is found. 8 refs., 4 figs.
Physical Description
16 pages
Creation Information
Abachi, S.; Akerlof, C.; Baringer, P.; Beltrami, I.; Blockus, D.; Bonvicini, G. et al. January 1, 1986.
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Argonne National Laboratory
Publisher Info: Argonne National Lab., IL (USA)Place of Publication: Illinois
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Indiana Univ., Bloomington (USA)
Place of Publication: United States
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Lawrence Berkeley Laboratory
Publisher Info: Lawrence Berkeley Lab., CA (USA)Place of Publication: California
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University of Michigan
Publisher Info: Michigan Univ., Ann Arbor (USA)Place of Publication: Ann Arbor, Michigan
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Purdue University
Publisher Info: Purdue Univ., Lafayette, IN (USA)Place of Publication: Lafayette, Indiana
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Description
Using the complete data sample of 300 pb/sup -1/ collected by the HRS spectrometer in e/sup +/e/sup -/ collisions at 29 GeV, mass limit for the tau neutrino is set. The end point of the hadronic mass spectrum is determined in the decays tau ..-->.. 5..pi../sup + -/nu/sub tau/ and tau ..-->.. 5..pi../sup + -/..pi../sup 0/nu/sub tau/. At 95% confidence level, an upper limit of M/sub nu/sub tau// < 76 MeV/c/sup 2/, is found. 8 refs., 4 figs.
Physical Description
16 pages
Notes
NTIS, PC A02/MF A01; 1.
Subjects
Keywords
- Bosons
- Data
- Decay
- Electron-Positron Interactions
- Elementary Particles
- Energy Range
- Experimental Data
- Fermions
- Gev Range
- Gev Range 10-100
- Hadrons
- Heavy Leptons
- Information
- Interactions
- Lepton-Lepton Interactions
- Leptons
- Limiting Values
- Mass
- Mass Spectra
- Massless Particles
- Mesons
- Neutrinos
- Numerical Data
- Particle Decay
- Particle Interactions
- Pions
- Postulated Particles
- Pseudoscalar Mesons
- Rest Mass
- Spectra
- Tau Neutrinos
- Weak Hadronic Decay
- Weak Particle Decay 645102* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Weak Interactions & Properties
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Source
- 23. international conference on high-energy physics, Berkeley, CA, USA, 16 Jul 1986
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- Other: DE87001532
- Report No.: ANL-HEP-CP-86-88
- Report No.: CONF-860701-33
- Grant Number: W-31-109-ENG-38
- Office of Scientific & Technical Information Report Number: 7260716
- Archival Resource Key: ark:/67531/metadc1445648
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Creation Date
- January 1, 1986
Added to The UNT Digital Library
- Feb. 10, 2019, 8:45 p.m.
Description Last Updated
- March 26, 2020, 8:16 p.m.
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Abachi, S.; Akerlof, C.; Baringer, P.; Beltrami, I.; Blockus, D.; Bonvicini, G. et al. Limit on tau neutrino mass, article, January 1, 1986; Illinois. (https://digital.library.unt.edu/ark:/67531/metadc1445648/: accessed April 23, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.