Measurements of the Branching Ratios for the Decays [tau] → Hadron [pi] 0 [neutrino] and [tau] → Hadron [pi] 0 [pi] 0 [neutrino] PDF Download
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![Measurements of the Branching Ratios for the Decays [tau] → Hadron [pi] 0 [neutrino] and [tau] → Hadron [pi] 0 [pi] 0 [neutrino] PDF](https://books.google.com/books/content/images/frontcover/OXR0zQEACAAJ?fife=w150-h200)
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Languages : en
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![Measurements of the Branching Ratios for the Decays [tau] → Hadron [pi] 0 [neutrino] and [tau] → Hadron [pi] 0 [pi] 0 [neutrino] PDF](https://books.google.com/books/content/images/frontcover/OXR0zQEACAAJ?fife=w80-h100)
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Languages : en
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![Measurement of the Branching Ratios for the Decays [tau Approaches] Hadron [pi]0[upsilon] and [tau Becomes] Hadron [pi]0[pi]0[upsilon] PDF](https://books.google.com/books/content/images/frontcover/KG45HAAACAAJ?fife=w80-h100)
Author: CRYSTAL BALL Collaboration
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Languages : en
Pages : 8
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![Measurement of the branching ratios for the decays τ [tau] → hadron π°ν [pi nu] and τ [tau] → hadron π°π°ν [pi pi nu] PDF](https://books.google.com/books/content/images/frontcover/7uTUzQEACAAJ?fife=w80-h100)
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Languages : de
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Category : Nuclear physics
Languages : en
Pages : 708
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Author: Kregg E. Arms
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Category : Leptons (Nuclear physics)
Languages : en
Pages :
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Abstract: We report a study of [tau] lepton decays to three charged hadrons and a [pi]0. We use (7.56 +/- 0.15) fb −1 of data collected with the CLEO III detector at the Y (4S) resonance, which corresponds to a total of (6.90 +/- 0.14) x 106 [tau]-pairs. Using both a Ring Imaging Cherenkov (RICH) detector and measurement of specific ionization energy loss (dE/dx) for particle identification, we report the first observation of the decay [tau]− [right arrow] K−[omega][tau neutrino]. We report the first statistically significant measurements of the branching fractions for [tau]− [right arrow] K−[pi][pi]−[pi]0[tau neutrino] (excluding K0), [tau]− [right arrow] K−K[pi]−[pi]0[tau neutrino] and the first published upper limit for [tau]− [right arrow] K−K+K−[pi]0[tau neutrino]. We also measure branching fractions for the decays, [tau]− [right arrow] h−[omega][tau neutrino], [tau]− [right arrow] [pi]−[omega][tau neutrino], [tau]− [right arrow] h−h+h−[pi]0[tau neutrino], and [tau]− [right arrow] [pi]−[pi]+[pi]−[pi]0[tau neutrino].
Author: Patricia M. McDonough
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Category : Leptons (Nuclear physics)
Languages : en
Pages : 804
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Category : Power resources
Languages : en
Pages : 578
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Author: Michel Davier
Publisher: Atlantica Séguier Frontières
ISBN: 9782863320976
Category : Leptons (Nuclear physics)
Languages : en
Pages : 590
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![First Observation of Tau -] 3 Pi Eta Tau-neutrino and Tau -] F1 Pi Tau-neutrino Decays PDF](https://books.google.com/books/content/images/frontcover/5ZkHkAEACAAJ?fife=w80-h100)
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Languages : en
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We have observed new channels for[tau] decays with an[eta] in the final state. We study 3-prong tau decays, using the[eta][yields][gamma][gamma] and[eta][yields] 3[pi][sup 0] decay modes and 1-prong decays with two[pi][sup 0]'s using the[eta][yields][gamma][gamma] channel. The measured branching fractions are[Beta]([tau][sup -][yields][pi][sup -][pi][sup -][pi][sup+][eta][nu][sub[tau]])= (3.4[sub -0.5][sup+0.6][+-] 0.6) x 10[sup -4] and[Beta]([tau][sup -][yields][pi][sup -]2[pi][sup 0][eta][nu][sub[tau]])= (1.4[+-] 0.6[+-] 0.3) x 10[sup -4]. We observe clear evidence for f[sub 1][yields][eta][pi][pi] substructure and measure[Beta]([tau][sup -][yields] f[sub 1][pi][sup -][nu][sub[tau]])= (5.8[sub -1.3][sup+1.4][+-] 1.8) x 10[sup -4]. We have also searched for[eta][prime](958) production and obtain 90% CL upper limits[Beta]([tau][sup -][yields][pi][sup -][eta][prime][nu][sub[tau]])
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Category : Aeronautics
Languages : en
Pages : 488
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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.
