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Search For Neutral Higgs Bosons Decaying Into The Leptonic Hadronic Di Tau Final State In The Minimal Supersymmetric Standard Model With The Atlas Detector
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Book Synopsis Search for Neutral Higgs Bosons Decaying Into the Leptonic-hadronic Di-tau Final State in the Minimal Supersymmetric Standard Model with the ATLAS Detector by : Felix Friedrich
Download or read book Search for Neutral Higgs Bosons Decaying Into the Leptonic-hadronic Di-tau Final State in the Minimal Supersymmetric Standard Model with the ATLAS Detector written by Felix Friedrich and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for the Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in the Tau_lep Tau_had Decay Mode with the ATLAS Experiment by : Sascha Thoma
Download or read book Search for the Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in the Tau_lep Tau_had Decay Mode with the ATLAS Experiment written by Sascha Thoma and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Zusammenfassung: This thesis describes the search for the neutral Higgs Bosons of the Minimal Supersymmetric Standard Model. The Higgs boson decay mode considered is the decay into tau leptons with one electron or muon and one hadronically decaying tau lepton in the final state. The p-p collision data analysed have been recorded in 2010 and 2011 with the ATLAS experiment at an centre-of-mass energy of 7 TeV and corresponds to an integrated luminosity of about 4.7/fb
Book Synopsis Phenomena Beyond the Standard Model: What Do We Expect for New Physics to Look Like? by : Roman Pasechnik
Download or read book Phenomena Beyond the Standard Model: What Do We Expect for New Physics to Look Like? written by Roman Pasechnik and published by Frontiers Media SA. This book was released on 2020-09-03 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.
Book Synopsis Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in the Tau_e Tau_mu Decay Mode at Sqrt(s) by : Holger von Radziewski
Download or read book Search for Neutral Higgs Bosons of the Minimal Supersymmetric Standard Model in the Tau_e Tau_mu Decay Mode at Sqrt(s) written by Holger von Radziewski and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Theoretical Studies on Extended Higgs Sectors Towards Future Precision Measurements by : Masashi Aiko
Download or read book Theoretical Studies on Extended Higgs Sectors Towards Future Precision Measurements written by Masashi Aiko and published by Springer Nature. This book was released on 2023-05-20 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book investigates the physics of the discovered Higgs boson and additional Higgs bosons in the extended Higgs models which includes higher-order quantum corrections. While the 125 GeV Higgs boson was discovered, the structure of the Higgs sector is still a mystery. Since the Higgs sector determines the concrete realization of the Higgs mechanism, the study of its nature is one of the central interests in current and future high-energy physics. The book begins with a review of the standard model and the two-Higgs doublet model, which is one of the representatives of the extended Higgs models. Subsequently, we discuss the studies of the two-Higgs doublet model at the lowest order of perturbation. Following the lowest-order analysis, we study the higher-order electroweak corrections in Higgs physics. After reviewing the renormalization procedure and the higher-order corrections in the decays of the discovered Higgs boson, we discuss the higher-order corrections in the Higgs strahlung process from an electron-positron collision, the decays of the additional charged and CP-odd Higgs bosons in the two-Higgs doublet model. From the series of these studies, it is found that the nature of the Higgs sector can be widely investigated by future collider experiments.
Book Synopsis Search for Heavy Neutral Higgs Bosons Decaying Into the Fully Hadronic Di-tau Final State with ATLAS by : Max Märker
Download or read book Search for Heavy Neutral Higgs Bosons Decaying Into the Fully Hadronic Di-tau Final State with ATLAS written by Max Märker and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Search for Displaced Leptons in the ATLAS Detector by : Lesya Horyn
Download or read book A Search for Displaced Leptons in the ATLAS Detector written by Lesya Horyn and published by Springer Nature. This book was released on 2022-02-07 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents a search for long-lived particles decaying into displaced electrons and/or muons with large impact parameters. This signature provides unique sensitivity to the production of theoretical lepton-partners, sleptons. These particles are a feature of supersymmetric theories, which seek to address unanswered questions in nature. The signature searched for in this thesis is difficult to identify, and in fact, this is the first time it has been probed at the Large Hadron Collider (LHC). It covers a long-standing gap in coverage of possible new physics signatures. This thesis describes the special reconstruction and identification algorithms used to select leptons with large impact parameters and the details of the background estimation. The results are consistent with background, so limits on slepton masses and lifetimes in this model are calculated at 95% CL, drastically improving on the previous best limits from the Large Electron Positron Collider (LEP).
Book Synopsis Search for Higgs Bosons Decaying to Aa in the [mu][mu][tau][tau] Final State in Pp Collisions at [arrow]" by :
Download or read book Search for Higgs Bosons Decaying to Aa in the [mu][mu][tau][tau] Final State in Pp Collisions at [arrow]" written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A search for the decay to a pair of new particles of either the 125 GeV Higgs boson (h) or a second charge parity (CP)-even Higgs boson (H) is presented. The data set corresponds to an integrated luminosity of 20.3 fb-1 of pp collisions at [arrow]" = 8 TeV recorded by the ATLAS experiment at the LHC in 2012. The search was done in the context of the next-to-minimal supersymmetric standard model, in which the new particles are the lightest neutral pseudoscalar Higgs bosons (a). One of the two a bosons is required to decay to two muons while the other is required to decay to two [tau] leptons. No significant excess is observed above the expected backgrounds in the dimuon invariant mass range from 3.7 to 50 GeV. Upper limits are placed on the production of h 2!aa relative to the standard model gg 2!h production, assuming no coupling of the a boson to quarks. The most stringent limit is placed at 3.5% for ma = 3.75 GeV. Upper limits are also placed on the production cross section of H 2!aa from 2.33 to 0.72 pb, for fixed ma = 5 GeV with mH ranging from 100 to 500 GeV.
Book Synopsis Evidence for Standard Model Higgs Boson Decays to Tau Lepton Pairs in the ATLAS Detector Supported by a Search in the Fully Hadronic Final State by : Edmund Noel Dawe
Download or read book Evidence for Standard Model Higgs Boson Decays to Tau Lepton Pairs in the ATLAS Detector Supported by a Search in the Fully Hadronic Final State written by Edmund Noel Dawe and published by . This book was released on 2014 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Charged Higgs Bosons Decaying Via H± → Τ±ν in Fully Hadronic Final States with the ATLAS Detector at the LHC by : Anna Kopp
Download or read book Search for Charged Higgs Bosons Decaying Via H± → Τ±ν in Fully Hadronic Final States with the ATLAS Detector at the LHC written by Anna Kopp and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Zusammenfassung: Searches for charged Higgs bosons decaying to a tau lepton and a neutrino in fully hadronic final states are presented in this thesis. The analyses are based on 4.6fb^-1 and 19.5fb^-1 of proton-proton collision data taken with the ATLAS detector at the LHC at center-of-mass energies of 7TeV and 8TeV in 2011 and 2012, respectively.Charged Higgs bosons with masses less than the top quark mass are searched for in events consistent with top-quark pair production and charged Higgs bosons with masses greater than the top quark mass are searched for in associated production with a top quark.In the search based on data taken in 2011, all background contributions are estimated in data-driven ways. Only a minor background contribution is estimated using simulation in the searches based on data taken in 2012; all dominant background contributions are estimated using data-driven methods here as well. An embedding method is used in all searches to assess the dominant and irreducible background contributions containing true hadronically decaying tau leptons and described in detail in this thesis.No significant excess of the data compared to the background expectations due to Standard Model processes is observed. Statistical analyses lead to 95% confidence-level upper limits on the branching ratios B(t->bH^±)xB(H^±->tau^± nu) between 0.23% and 1.3% for charged Higgs boson masses between 80GeV and 160GeV and on the production cross section times branching ratio, sigma(pp->tH^±+X)xB(H^±->tau^± nu) ranging from 0.76pb to 4.5fb for charged Higgs boson masses between 180GeV and 1000GeV. The branching ratio and cross section limits are used to derive constraints on the parameter space of minimal supersymmetric extensions of the Standard Model in various benchmark scenarios. These limits are the so far strictest limits set by the ATLAS collaboration in the search for charged Higgs bosons in fully hadronic final states
Book Synopsis Search for the Standard Model Higgs Boson in the H to Tau+ Tau- Decay Mode in Sqrt(s) by :
Download or read book Search for the Standard Model Higgs Boson in the H to Tau+ Tau- Decay Mode in Sqrt(s) written by and published by . This book was released on 2014 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: A search for the neutral Higgs bosons predicted by the Minimal Supersymmetric Standard Model (MSSM) is reported. The analysis is performed on data from proton-proton collisions at a centre-of-mass energy of 8TeV collected with the ATLAS detector at the Large Hadron Collider. The samples used for this search were collected in 2012 and correspond to integrated luminosities in the range 19.5-20.3 fb-1. The MSSM Higgs bosons are searched for in the [tau] [tau] final state. No significant excess over the expected background is observed, and exclusion limits are derived for the production cross section times branching fraction of a scalar particle as a function of its mass. The results are also interpreted in the MSSM parameter space for various benchmark scenarios.
Book Synopsis Search for Neutral Minimal Supersymmetric Standard Model Higgs Bosons Decaying to Tau Pairs in Pp Collisions at Sqrt[s] by :
Download or read book Search for Neutral Minimal Supersymmetric Standard Model Higgs Bosons Decaying to Tau Pairs in Pp Collisions at Sqrt[s] written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A search for neutral MSSM Higgs bosons in pp collisions at the LHC at a center-of-mass energy of 7 TeV is presented. The results are based on a data sample corresponding to an integrated luminosity of 36 inverse picobarns recorded by the CMS experiment. The search uses decays of the Higgs bosons to tau pairs. No excess is observed in the tau-pair invariant-mass spectrum. The resulting upper limits on the Higgs boson production cross section times branching fraction to tau pairs, as a function of the pseudoscalar Higgs boson mass, yield stringent new bounds in the MSSM parameter space.
Book Synopsis A Search for Neutral High-mass Higgs Bosons Decaying Into Pairs of Hadronically Decaying Tau Leptons in 13 TeV Collisions Recorded by the ATLAS Detector by : Mark Andrew Pickering
Download or read book A Search for Neutral High-mass Higgs Bosons Decaying Into Pairs of Hadronically Decaying Tau Leptons in 13 TeV Collisions Recorded by the ATLAS Detector written by Mark Andrew Pickering and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Neutral MSSM Higgs Bosons in the Fully Hadronic Di-tau Decay Channel with the ATLAS Detector by :
Download or read book Search for Neutral MSSM Higgs Bosons in the Fully Hadronic Di-tau Decay Channel with the ATLAS Detector written by and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Neutral MSSM Higgs Bosons in the Fully Hadronic Di-tau Decay Channel with the ATLAS Detector by : Sebastian Wahrmund
Download or read book Search for Neutral MSSM Higgs Bosons in the Fully Hadronic Di-tau Decay Channel with the ATLAS Detector written by Sebastian Wahrmund and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Neutral Bosons Decaying Into the Fully Hadronic Di-tau Final State with the ATLAS Detector at the LHC by : Dirk Duschinger
Download or read book Search for Neutral Bosons Decaying Into the Fully Hadronic Di-tau Final State with the ATLAS Detector at the LHC written by Dirk Duschinger and published by . This book was released on 2019* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Neutral MSSM Higgs Bosons Decaying to a Pair of Tau Leptons in Pp Collisions by :
Download or read book Search for Neutral MSSM Higgs Bosons Decaying to a Pair of Tau Leptons in Pp Collisions written by and published by . This book was released on 2014 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our search for neutral Higgs bosons in the minimal supersymmetric extension of the standard model (MSSM) decaying to tau-lepton pairs in pp collisions is performed, using events recorded by the CMS experiment at the LHC. The dataset corresponds to an integrated luminosity of 24.6 fb-1, with 4.9 fb-1 at 7 TeV and 19.7 fb-1 at 8 TeV. To enhance the sensitivity to neutral MSSM Higgs bosons, the search includes the case where the Higgs boson is produced in association with a b-quark jet. No excess is observed in the tau-lepton-pair invariant mass spectrum. Exclusion limits are presented in the MSSM parameter space for different benchmark scenarios, m h max, m h mod +, m hmod -, light-stop, light-stau, [tau]-phobic, and low-m H. Lastly, upper limits on the cross section times branching fraction for gluon fusion and b-quark associated Higgs boson production are also given.
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