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Identification Of The Leptons Tau In The D0 Experiment At Tevatron And Search For Supersymmetric Particles Disintegrating With Violated R Parity Coupling Lambda133
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Book Synopsis Identification of the Leptons Tau in the D0 Experiment at Tevatron and Search for Supersymmetric Particles Disintegrating with Violated R-parity (coupling Lambda133). by : Anne-Catherine Le Bihan
Download or read book Identification of the Leptons Tau in the D0 Experiment at Tevatron and Search for Supersymmetric Particles Disintegrating with Violated R-parity (coupling Lambda133). written by Anne-Catherine Le Bihan and published by . This book was released on 2005 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Identification of the Leptons Tau in the D0 Experiment at Tevatron and Search for Supersymmetric Particles Disintegrating with Violated R-parity (coupling ?133). by :
Download or read book Identification of the Leptons Tau in the D0 Experiment at Tevatron and Search for Supersymmetric Particles Disintegrating with Violated R-parity (coupling ?133). written by and published by . This book was released on 2005 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tau Lepton Reconstruction with Energy Flow and the Search for R-parity Violating Supersymmetry at the ATLAS Experiment by : Sebastian Fleischmann
Download or read book Tau Lepton Reconstruction with Energy Flow and the Search for R-parity Violating Supersymmetry at the ATLAS Experiment written by Sebastian Fleischmann and published by . This book was released on 2011 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for RPV Scalar Leptons at Tevatron by : Shan-Huei Chuang
Download or read book Search for RPV Scalar Leptons at Tevatron written by Shan-Huei Chuang and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We reviewed CDF and D0 searches for R-parity violation supersymmetry in leptons involved final states using up to 344 {+-} 21 pb{sup -1} Tevatron Run II data of p{bar p} collisions at {radical}s = 1.96 TeV. All the results were in good agreement with the Standard Model expectations. No evidence of new physics was observed. However, owing to the improvement on detectors, energy and luminosity from Run I to Run II, the limits for the existence of R-parity violation supersymmetry have been greatly advanced.
Book Synopsis Tau Identification at the Tevatron by : Stephen Levy
Download or read book Tau Identification at the Tevatron written by Stephen Levy and published by . This book was released on 2005 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Methods for reconstructing and identifying the hadronic decays of tau leptons with the CDF and D0 detectors at the Fermilab Tevatron collider in Run II are described. Precision electroweak measurements of W and Z gauge boson cross sections are presented as well as results of searches for physics beyond the Standard Model with hadronically decaying tau leptons in the final state.
Book Synopsis Study of the Tri-lepton Events in the Run II Data of the DO Experiment at the Tevatron (FNAL, USA) by : Pavel Demine
Download or read book Study of the Tri-lepton Events in the Run II Data of the DO Experiment at the Tevatron (FNAL, USA) written by Pavel Demine and published by . This book was released on 2002 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Patricia Burchat Publisher :Ann Arbor, Mich. : University Microfilms International ISBN 13 : Total Pages :292 pages Book Rating :4.F/5 ( download)
Book Synopsis Decays of the Tau Lepton by : Patricia Burchat
Download or read book Decays of the Tau Lepton written by Patricia Burchat and published by Ann Arbor, Mich. : University Microfilms International. This book was released on 1986 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tau Lepton Physics - Proceedings Of The Second Workshop by : K K Gan
Download or read book Tau Lepton Physics - Proceedings Of The Second Workshop written by K K Gan and published by World Scientific. This book was released on 1993-04-08 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt: The II International Workshop on Tau Lepton Physics was held in Ohio, USA in September 1992. Its purpose is to gather the experts on tau lepton physics to examine the current understanding of the tau lepton physics and to assess future prospects. A particular emphasis of the Workshop was a detailed examination of the '1-prong problem': the discrepancy between the inclusive measurement of one-charged-particle decay branching ratio and the sum of the exclusive decays. The Workshop also stimulated new ideas on tests of the Standard Model using the third generation lepton and assessed the future prospects of the lepton physics.
Book Synopsis Searches with Taus at the Tevatron by :
Download or read book Searches with Taus at the Tevatron written by and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We discuss tau identification techniques at hadron colliders, and present the measurements and the searches performed so far. We report on top quark pair production in the decay channel containing at least one tau lepton. Also, we present results dedicated to searches for new particles, with taus in the final state. We present a search for the charged Higgs boson in the tau decay channel, as well as for the leptoquark family containing tau leptons. Finally, we indicate the capabilities of detecting and triggering on tau leptons in the future collider run.
Book Synopsis Search for Lepton Flavor Violation in Tau− to Ell− Ell Ell− by :
Download or read book Search for Lepton Flavor Violation in Tau− to Ell− Ell Ell− written by and published by . This book was released on 2003 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: A search for the lepton-flavor-violating decay of the tau into three charged leptons has been performed using 91.5 fb−1 of data collected at an ee− center-of-mass energy of 10.58 GeV with the BABAR detector at the PEP-II storage ring. In all six decay modes considered, the numbers of events found in data are compatible with the background expectations. Upper limits on the branching fractions are set in the range (1-3) x 10−7 at 90% confidence level.
Book Synopsis Search for Lepton Flavour Violating Decays Tau -] L Ks with the BABAR Detector by :
Download or read book Search for Lepton Flavour Violating Decays Tau -] L Ks with the BABAR Detector written by and published by . This book was released on 2009 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present the search for the lepton flavour violating decay [tau] → lK°{sub s} with the BaBar experiment data. This process and many other lepton flavour violating [tau] decays, like [tau] → [mu][gamma] and [tau] → lll, are one of the most promising channel to search for evidence of new physics. According to the Standard Model and the neutrino mixing parameters, branching fractions are estimated well below 10−14, but many models of new physics allow for branching fractions values close to the present experimental sensitivity. This analysis is based on a data sample of 469fb−1 collected by BABAR detector at the PEP-II storage ring from 1999 to 2007, equivalent to 431 millions of [tau] pairs. the BABAR experiment, initially designed for studying CP violation in B mesons, has demonstrated to be one of the most suitable environments for studying [tau] decays. The tracking system, the calorimeter and the particle identification of BABAR, together with the knowledge of the [tau] initial energy, allow an extremely powerful rejection of background events that, for this analysis, is better than 10−9. Being [tau] → lK°{sub s} a decay mode without neutrinos, the signal [tau] decay can be fully reconstructed. Kinematical constraints are used in a fit that provides a decay tree reconstruction with a high resolution. For this analysis MC simulated events play a decisive role for estimating the signal efficiency and study the residual background. High statistics MC sample are produced simulating detector conditions for different periods of data collection, in order to reduce any discrepancies with the data. When discrepancies can not be removed, we perform studies to compute a correction factor or an estimation of systematic errors that need to be included in the final measurement. A significant improvement of the current result can be reached only with a higher statistics and, therefore, with a new collider providing a luminosity from 10 to 100 times more than PEP-II. A new detector, with improved performance and able to collect data in a high background environment, is also requested to fully exploit the capability of such amount of data. In fact, only keeping the efficiency and the background as similar as possible to present ones, we will be able to scale almost linearly the estimated upper limit according to the luminosity. The strong potential of improvement for the search of lepton flavour violation [tau] decays makes the building of such a machine highly desirable.
Book Synopsis Identification of Hadronic Tau Decays Using the Tau Lepton Flight Path and Reconstruction and Identification of Jets with a Low Transverse Energy at Intermediate Luminosities with an Application to the Search for the Higgs Boson in Vector Boson Fusion with the ATLAS Experiment at the LHC by : Christoph Ruwiedel
Download or read book Identification of Hadronic Tau Decays Using the Tau Lepton Flight Path and Reconstruction and Identification of Jets with a Low Transverse Energy at Intermediate Luminosities with an Application to the Search for the Higgs Boson in Vector Boson Fusion with the ATLAS Experiment at the LHC written by Christoph Ruwiedel and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Isolated Lepton Events at HERA written by and published by . This book was released on 2006 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scalar Tau Lepton Production and Detection at the D0 Detector for a Gauge-mediated Supersymmetry Breaking Model with Scalar Tau Lepton Next-to-lightest Supersymmetric Particle by : Michael T. Eads
Download or read book Scalar Tau Lepton Production and Detection at the D0 Detector for a Gauge-mediated Supersymmetry Breaking Model with Scalar Tau Lepton Next-to-lightest Supersymmetric Particle written by Michael T. Eads and published by . This book was released on 2002 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Lepton-Flavor-Violation in Tau-Production at BaBar - A Search for E+ E- to L+ Tau- by :
Download or read book Lepton-Flavor-Violation in Tau-Production at BaBar - A Search for E+ E- to L+ Tau- written by and published by . This book was released on 2007 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: We report on a search for the lepton-flavor-violating processes ee− →?+?− and e+e− → e+?−. The data sample corresponds to an integrated luminosity of 211 fb−1 recorded by the BABAR experiment at the SLAC PEP-II asymmetric-energy B Factory at a center-of-mass energy of √s = 10:58 GeV. We find no evidence for a signal and set the 95% confidence level upper limits on the cross sections to be?{sub??}
Book Synopsis Search for a Heavy Neutral Particle Decaying to E Mu, E Tau, Or Mu Tau in Pp Collisions at {u221A}s by :
Download or read book Search for a Heavy Neutral Particle Decaying to E Mu, E Tau, Or Mu Tau in Pp Collisions at {u221A}s written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This Letter presents a search for a heavy neutral particle decaying into an opposite-sign different-flavor dilepton pair, e±?∓, e±?∓, or ?±?∓ using 20.3 fb-1 of pp collision data at √s=8 TeV collected by the ATLAS detector at the LHC. The numbers of observed candidate events are compatible with the standard model expectations. Limits are set on the cross section of new phenomena in two scenarios: the production of ????????? in R-parity-violating supersymmetric models and the production of a lepton-flavor-violating Z' vector boson.
Book Synopsis Study of Tau Lepton Decays to Three Charged Hadrons and One Neutral Pion by : Kregg E. Arms
Download or read book Study of Tau Lepton Decays to Three Charged Hadrons and One Neutral Pion written by Kregg E. Arms and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: 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].
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