Searches For Lepton Flavor Violation In The Decays Tau E Gamma And Tau Mu Gamma PDF Download
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| Total Pages | : 7 |
| Release | : 2010 |
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Download Search for Lepton Flavor Violation in the Decays Tau-]e Gamma and Tau-]mu Gamma Book in PDF, ePub and Kindle
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])
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| Total Pages | : 7 |
| Release | : 2010 |
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Download Searches for Lepton Flavor Violation in the Decays Tau+- ---] E+- Gamma and Tau+- ---] Mu+- Gamma Book in PDF, ePub and Kindle
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 {+-}}?)
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| Release | : 2005 |
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Download Search for Lepton Flavor Violation in the Decay Tau + - to Mu + - Gamma Book in PDF, ePub and Kindle
| Author | : O. Igonkina |
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| Release | : 2004 |
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Download A Search for Lepton Flavor Violation in Tau Decays at BABAR. Book in PDF, ePub and Kindle
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.
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| Release | : 2005 |
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Download Search for Lepton Flavour Violation in the Decay Tau +/- to Mu +/- Gamma Book in PDF, ePub and Kindle
| Author | : M. Roney |
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| Release | : 2004 |
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Download Search for Lepton Flavour Violation in the Decay Tau +/- to Mu +/- Gamma Book in PDF, ePub and Kindle
A search for the lepton flavour violating decay {tau}{sup {+-}} {yields} {mu}{sup {+-}}{gamma} has been performed using 221.4 fb{sup -1} of data collected at an e{sup +}e{sup -} centre-of-mass energy of 10.58 GeV with the BABAR detector at the PEP-II storage ring. The search has an efficiency of 7.45 {+-} 0.65% for an expected background level of 6.2 {+-} 0.5 events. In the final sample 4 candidate events are selected. As there is no evidence for a signal in this data, for this preliminary result we set an upper limit of {Beta}({tau}{sup {+-}} {yields} {mu}{sup {+-}}{gamma})
| Author | : Swagato Banerjee |
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| Total Pages | : 5 |
| Release | : 2006 |
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Download Lepton Flavor Violation in Tau Decays at BABAR. Book in PDF, ePub and Kindle
Searches for lepton flavor violating tau {yields} l gamma, tau {yields} lhh decays at the BABAR experiment are presented. Upper limits on the branching ratios are obtained at the level of O(10{sup -7}) at 90% confidence level.
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| Total Pages | : 11 |
| Release | : 2003 |
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Download Search for Neutrinoless Tau Decays Book in PDF, ePub and Kindle
A search for the lepton family number violating decays [tau] 2!e[gamma] and [tau] 2![mu][gamma] has been performed using CLEO-II data. No evidence of a signal has been found and the corresponding upper limits are B([tau] 2!e[gamma])
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| Release | : 2009 |
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Download Charakterisierung von Schleifscheibentopographien aus fertigungstechnischer Sicht Book in PDF, ePub and Kindle
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| Total Pages | : 15 |
| Release | : 2008 |
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Download Search For the Lepton-Flavor Violating Decays Y(3S)-]e Tau and Y(3S)-]mu Tau Book in PDF, ePub and Kindle
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 {-+}})
