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Identification Of Hadronic T63 Tau Decays And Observation Potential Of Cp Violating Effects In Susy And Atlas
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Book Synopsis Identification of Hadronic Tau Decays and Observation Potential of CP-violating Effects in SUSY at ATLAS by : Björn Gosdzik
Download or read book Identification of Hadronic Tau Decays and Observation Potential of CP-violating Effects in SUSY at ATLAS written by Björn Gosdzik and published by . This book was released on 2011 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Identification of Hadronic _t63 [tau] Decays and Observation Potential of CP-violating Effects in SUSY and ATLAS by : Björn Gosdzik
Download or read book Identification of Hadronic _t63 [tau] Decays and Observation Potential of CP-violating Effects in SUSY and ATLAS written by Björn Gosdzik and published by . This book was released on 2011 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Identification of Hadronic Τ [tau] Decays and Observation Potential of CP-violating Effects in SUSY and ATLAS by : Björn Gosdzik
Download or read book Identification of Hadronic Τ [tau] Decays and Observation Potential of CP-violating Effects in SUSY and ATLAS written by Björn Gosdzik and published by . This book was released on 2011 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Identifying Hadronic Tau Decays Using Calorimeter Topological Clusters at ATLAS by : Michel Trottier-McDonald
Download or read book Identifying Hadronic Tau Decays Using Calorimeter Topological Clusters at ATLAS written by Michel Trottier-McDonald and published by . This book was released on 2010 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ATLAS experiment collects data on the world's highest energy proton-proton collisions. Its primary goals are to search for direct evidence of physics beyond the Standard Model of particle physics, and to provide a final verdict on the existence of the Standard Model Higgs boson. A robust tau identification procedure is an important ingredient in the search for Standard Model and supersymmetric Higgs bosons. In this study, new tau identification variables based on calorimeter topological clusters are investigated. These variables complement existing calorimeter-based variables by bringing additional discriminating power against hadronic jets. They have a straightforward physics interpretation which allows them to be calculated at particle-level. Some of these new variables are shown to be robust against background noise from the underlying event and in-time pileup, two effects which negatively impact tau identification. Several of these new variables are now part of the official tau reconstruction software at ATLAS.
Book Synopsis Identification of Hadronic Tau Decays in ATLAS. by :
Download or read book Identification of Hadronic Tau Decays in ATLAS. written by and published by . This book was released on 1998 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Taus can be an important signature for Supersymmetry at the LHC. They can be produced copiously in the decays of supersymmetric particles. Measurement of their momentum and of the tau-tau invariant mass distribution, would provide detailed information regarding the masses of supersymmetric particles. It is demonstrated using full simulation that it will be possible for ATLAS to make a cut on the reconstructed tau invariant mass using information from the tracking and the electromagnetic calorimeter. The measured energy and momentum of tau's that pass this selection can then be used to infer information about the tau-tau invariant mass.
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:
Book Synopsis Unraveling Duality Violations in Hadronic Tau Decays by :
Download or read book Unraveling Duality Violations in Hadronic Tau Decays written by and published by . This book was released on 2008 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are some indications from recent determinations of the strong coupling constant alpha_s and the gluon condensate that the Operator Product Expansion may not be accurate enough to describe non-perturbative effects in hadronic tau decays. This breakdown of the Operator Product Expansion is usually referred to as being due to"Duality Violations." With the help of a physically motivated model, we investigate these duality violations. Based on this model, we argue how they may introduce a non-negligible systematic error in the current analysis, which employs finite-energy sum rules with pinched weights. In particular, this systematic effect might affect the precision determination of alpha_s from tau decays. With a view to a possible future application to real data, we present an alternative method for determining the OPE coefficients that might help estimating, and possibly even reducing, this systematic error.
Book Synopsis CP Violation in [tau] Decays by : Edward R. McCliment
Download or read book CP Violation in [tau] Decays written by Edward R. McCliment and published by . This book was released on 1968 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Identification of Hadronic _t63 [tau] Decays Using the _t63 [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 _t63 [tau] Decays Using the _t63 [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 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tau Trigger at the ATLAS Experiment by :
Download or read book Tau Trigger at the ATLAS Experiment written by and published by . This book was released on 2011 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many theoretical models, like the Standard Model or SUSY at large tan([beta]), predict Higgs bosons or new particles which decay more abundantly to final states including tau leptons than to other leptons. At the energy scale of the LHC, the identification of tau leptons, in particular in the hadronic decay mode, will be a challenging task due to an overwhelming QCD background which gives rise to jets of particles that can be hard to distinguish from hadronic tau decays. Equipped with excellent tracking and calorimetry, the ATLAS experiment has developed tau identification tools capable of working at the trigger level. This contribution presents tau trigger algorithms which exploit the main features of hadronic tau decays and describes the current tau trigger commissioning activities. Many of the SM processes being investigated at ATLAS, as well as numerous BSM searches, contain tau leptons in their final states. Being able to trigger effectively on the tau leptons in these events will contribute to the success of the ATLAS experiment. The tau trigger algorithms and monitoring infrastructure are ready for the first data, and are being tested with the data collected with cosmic muons. The development of efficiency measurements methods using QCD and Z → [tau][tau] events is well advanced.
Book Synopsis Reconstruction of Hadronic Decay Products of Tau Leptons with the ATLAS Experiment by :
Download or read book Reconstruction of Hadronic Decay Products of Tau Leptons with the ATLAS Experiment written by and published by . This book was released on 2016 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document presents a new method of reconstructing the individual charged and neutral hadrons in tau decays with the ATLAS detector. The reconstructed hadrons are used to classify the decay mode and to calculate the visible four-momentum of reconstructed tau candidates, significantly improving the resolution with respect to the calibration in the existing tau reconstruction. The performance of the reconstruction algorithm is optimised and evaluated using simulation and validated using samples of Z → [tau][tau] and Z(→ [mu][mu])+jets events selected from proton-proton collisions at a centre-of-mass energy √s = 8 TeV, corresponding to an integrated luminosity of 5 fb-1.
Book Synopsis Observation of W → _t63_n63_t63 [tau-nu Tau] Decays with the ATLAS Experiment by : Guilherme Nunes Hanninger
Download or read book Observation of W → _t63_n63_t63 [tau-nu Tau] Decays with the ATLAS Experiment written by Guilherme Nunes Hanninger and published by . This book was released on 2011 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Identification of Hadronic Τ [tau] Decays Using the Τ [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 Τ [tau] Decays Using the Τ [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 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Observation of W → Tau-nu Tau Decays with the ATLAS Experiment by : Guilherme Nunes Hanninger
Download or read book Observation of W → Tau-nu Tau Decays with the ATLAS Experiment written by Guilherme Nunes Hanninger and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Identification of Hadronically Decaying Tau Leptons in the ATLAS Experiment and Investigation of the Discovery Potential for MSSM Higgs Bosons in Tau Final States by : Michael Heldmann
Download or read book The Identification of Hadronically Decaying Tau Leptons in the ATLAS Experiment and Investigation of the Discovery Potential for MSSM Higgs Bosons in Tau Final States written by Michael Heldmann and published by . This book was released on 2007 with total page 191 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of the Discovery Potential for Supersymmetry in Tau Final States and Measurement of the Tau Identification Efficiency for the ATLAS Experiment by : Debra Lumb
Download or read book Investigation of the Discovery Potential for Supersymmetry in Tau Final States and Measurement of the Tau Identification Efficiency for the ATLAS Experiment written by Debra Lumb and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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