Search For the Lepton-Flavor Violating Decays Y(3S)-]e Tau and Y(3S)-]mu Tau PDF Download
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![Search For the Lepton-Flavor Violating Decays Y(3S)-]e Tau and Y(3S)-]mu Tau PDF](https://books.google.com/books/content/images/frontcover/-mOkAQAACAAJ?fife=w150-h200)
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Languages : en
Pages : 15
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Book Description
Charged lepton-flavor violating processes are extremely rare in the Standard Model, but they are predicted to occur in several beyond-the-Standard Model theories, including Supersymmetry or models with leptoquarks or compositeness. We present a search for such processes in a sample of 117 x 106 [Upsilon](3S) decays recorded with the BABAR detector. We place upper limits on the branching fractions BF([Upsilon](3S) 2!e{sup {+-}}[tau]{sup {-+}})
![Search For the Lepton-Flavor Violating Decays Y(3S)-]e Tau and Y(3S)-]mu Tau PDF](https://books.google.com/books/content/images/frontcover/-mOkAQAACAAJ?fife=w80-h100)
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Category :
Languages : en
Pages : 15
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Book Description
Charged lepton-flavor violating processes are extremely rare in the Standard Model, but they are predicted to occur in several beyond-the-Standard Model theories, including Supersymmetry or models with leptoquarks or compositeness. We present a search for such processes in a sample of 117 x 106 [Upsilon](3S) decays recorded with the BABAR detector. We place upper limits on the branching fractions BF([Upsilon](3S) 2!e{sup {+-}}[tau]{sup {-+}})
![Search for Lepton Flavor Violation in the Decays Tau-]e Gamma and Tau-]mu Gamma PDF](https://books.google.com/books/content/images/frontcover/_jKcnQAACAAJ?fife=w80-h100)
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Languages : en
Pages : 7
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Book Description
Searches for lepton-flavor-violating decays of a [tau] lepton to a lighter mass lepton and a photon have been performed with the entire dataset of (963 ± 7) x 106 [tau] decays collected by the BABAR detector near the [Upsilon](4S), [Upsilon](3S) and [Upsilon](2S) resonances. The searches yield no evidence of signals and they set upper limits on the branching fractions of [Beta]([tau]{sup {+-}} 2!e{sup {+-}}[gamma])
![A Search for the Lepton-flavour Violating Decays [tau Approaches E Alpha, Tau Approaches Mu Alpha] PDF](https://books.google.com/books/content/images/frontcover/mggWDAEACAAJ?fife=w80-h100)
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Languages : en
Pages : 4
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![A Search for the Lepton-flavour Violating Decays [tau] → E[alpha], [tau] → [my Alpha] PDF](https://books.google.com/books/content/images/frontcover/dbt3zQEACAAJ?fife=w80-h100)
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Category :
Languages : en
Pages : 8
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Author:
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Category :
Languages : en
Pages :
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![Searches for Lepton Flavor Violation in the Decays Tau+- ---] E+- Gamma and Tau+- ---] Mu+- Gamma PDF](https://books.google.com/books/content/images/frontcover/ZRQCwgEACAAJ?fife=w80-h100)
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Category :
Languages : en
Pages : 7
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Book Description
Searches for lepton-flavor-violating decays of a? lepton to a lighter mass lepton and a photon have been performed with the entire dataset of (963 ± 7) x 106? decays collected by the BABAR detector near the?(4S),?(3S) and?(2S) resonances. The searches yield no evidence of signals and they set upper limits on the branching fractions of?(?{sup {+-}} → e{sup {+-}}?)
![A search for the lepton flavour violating decays t [tau] -> e[alpha], t [ealpha, tau] -> m[alpha] [mualpha] PDF](https://books.google.com/books/content/images/frontcover/x0wUHAAACAAJ?fife=w80-h100)
Author: ARGUS Collaboration
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Category :
Languages : de
Pages :
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Author:
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Category :
Languages : en
Pages : 7
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Book Description
A search for lepton flavor violating decays of a [tau] to a lighter-mass charged lepton and an [omega] vector meson is performed using 384.1 fb−1 of ee− annihilation data collected with the BABAR detector at the Stanford Linear Accelerator Center PEP-II storage ring. No signal is found, and the upper limits on the branching ratios are determined to be [beta]([tau]{sup {+-}} 2!e{sup {+-}}[omega])
Author: Prasanna Kumar Siddireddy
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ISBN:
Category :
Languages : en
Pages : 180
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Author: O. Igonkina
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Category :
Languages : en
Pages :
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Book Description
The authors present a recent BABAR search for lepton flavor violation in tau decays. The search for {tau} {yields} {ell}{ell}{ell} ({ell} = e, {mu}) decays is based on a data sample of 91.6 fb{sup -1}. No signal is found in any of six channels and 90% CL upper limits are set in the range of (1-3) x 10{sup -7}. The search for {tau} {yields} {mu}{gamma} decay is done with a 63 fb{sup -1} data sample. The number of observed events is consistent with expected background level and a preliminary upper limit is set at 2 x 10{sup -6} at 90% CL.
