Measurements of the Decays Tau−. --]. Rho−. Nu. /sub Tau/, Tau−. --]. Pi. −. Nu. /sub Tau/ and Tau−. --]. K*-(892). Nu. /sub Tau/ Using the MARK II Detector at SPEAR. PDF Download
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![Measurements of the Decays Tau−. --]. Rho−. Nu. /sub Tau/, Tau−. --]. Pi. −. Nu. /sub Tau/ and Tau−. --]. K*-(892). Nu. /sub Tau/ Using the MARK II Detector at SPEAR. PDF](https://books.google.com/books/content/images/frontcover/ROPIwQEACAAJ?fife=w150-h200)
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Measurements of the branching fractions for the Cabibbo favored decays tau− .-->. rho− .-->. .pi.−.nu./sub tau/ and the Cabibbo suppressed decay mode tau− .-->. K*− (892).nu./sub tau/ are presented. The energy dependence of the tautau− production cross section is obtained for the decays tau− .-->. rho−.nu./sub tau/ and these spectra agree well with the classification of the tau− as a spin-1/2 point particle. Fits to the production cross section yield a measurement of M/sub tau/ = (1787 +- 10) MeV/c2 for the tau mass. Ninety-five percent confidence upper limits for the forbidden decay tau− .-->. K*−(1430).nu./sub tau/ and the tau neutrino mass are presented.
![Measurements of the Decays Tau−. --]. Rho−. Nu. /sub Tau/, Tau−. --]. Pi. −. Nu. /sub Tau/ and Tau−. --]. K*-(892). Nu. /sub Tau/ Using the MARK II Detector at SPEAR. PDF](https://books.google.com/books/content/images/frontcover/ROPIwQEACAAJ?fife=w80-h100)
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Measurements of the branching fractions for the Cabibbo favored decays tau− .-->. rho− .-->. .pi.−.nu./sub tau/ and the Cabibbo suppressed decay mode tau− .-->. K*− (892).nu./sub tau/ are presented. The energy dependence of the tautau− production cross section is obtained for the decays tau− .-->. rho−.nu./sub tau/ and these spectra agree well with the classification of the tau− as a spin-1/2 point particle. Fits to the production cross section yield a measurement of M/sub tau/ = (1787 +- 10) MeV/c2 for the tau mass. Ninety-five percent confidence upper limits for the forbidden decay tau− .-->. K*−(1430).nu./sub tau/ and the tau neutrino mass are presented.
![Measurement of the Decays Tau−. --]. Rho−. Nu PDF](https://books.google.com/books/content/images/frontcover/Z191nQAACAAJ?fife=w80-h100)
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Measurements of the branching fractions for the Cabibbo-favored decay tau− .-->. rho−.nu./sub tau/ and the Cabibbo-suppressed decay tau− .-->. K*−(892).nu./sub tau/ are presented. The energy dependence of the tautau− production cross section is measured with the aid of the decay tau− .-->. rho−.nu./sub tau/, which yields a measurement M/sub tau/ = (1790 +- 40) MeV. A 2 sigma upper limit for the forbidden decay tau− .-->. K*−(1430).nu./sub tau/ is also presented. 3 figures.
![Measurement of the decay τ ̄ [tau] → ρ ̄ντ [rho nu tau] PDF](https://books.google.com/books/content/images/frontcover/rzbEzQEACAAJ?fife=w80-h100)
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![The Decay Tau. --]. Rho Nu (and Rho. --]. Pi. Eta Nu.). PDF](https://books.google.com/books/content/images/frontcover/nXVfAQAACAAJ?fife=w80-h100)
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Motivated by the question of missing exclusive branching fractions in tau decays, mostly suspected to be in one prong decays with neutrals, we have studied the decay tau .-->. rho nu in tau pair production by ee− annihilation at .sqrt.s = 3.77 GeV. The branching fraction is measured to be B(tau .-->. rho nu) = (23.0 +- 1.3 +- 1.7)% consistent with known measurements and not offering a solution to the branching ratio question. No eta signal in the .gamma gamma. mass spectrum pointing to a decay tau .-->. eta .pi. nu is obvious. An upper limit on this branching fraction is given.
![Measurements of the Decays Tau−. --]. Rho−. Nu PDF](https://books.google.com/books/content/images/frontcover/K-SnAQAACAAJ?fife=w80-h100)
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Languages : en
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Book Description
Measurements of the branching fractions for the Cabibbo favored decays tau− .-->. rho− .-->. .pi.−.nu./sub tau/ and the Cabibbo suppressed decay mode tau− .-->. K*− (892).nu./sub tau/ are presented. The energy dependence of the tautau− production cross section is obtained for the decays tau− .-->. rho−.nu./sub tau/ and these spectra agree well with the classification of the tau− as a spin-1/2 point particle. Fits to the production cross section yield a measurement of M/sub tau/ = (1787 +- 10) MeV/c2 for the tau mass. Ninety-five percent confidence upper limits for the forbidden decay tau− .-->. K*−(1430).nu./sub tau/ and the tau neutrino mass are presented.
![Measurement of the decay _t63_571 [tau] → _r63_571_n63_1tn_t63 [rho nu tau] PDF](https://books.google.com/books/content/images/frontcover/Tut9ygAACAAJ?fife=w80-h100)
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Languages : de
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![Measurement of the Decays [tau-] --> K*[nut̳a̳u̳] and [tau-] --> [rho-nut̳a̳u̳] PDF](https://books.google.com/books/content/images/frontcover/AnT7HAAACAAJ?fife=w80-h100)
Author: ARGUS Collaboration
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Languages : en
Pages : 7
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Category : Particles (Nuclear physics)
Languages : en
Pages : 606
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Category : Power resources
Languages : en
Pages : 1398
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Category : Aeronautics
Languages : en
Pages : 376
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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
