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Search For Charged Higgs Bosons Decaying To Top And Bottom Quarks In Proton Antiproton Collisions
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Book Synopsis Search for Charged Higgs Bosons Decaying to Top and Bottom Quarks in Proton-antiproton Collisions by : Gustavo Kertzscher Schwencke
Download or read book Search for Charged Higgs Bosons Decaying to Top and Bottom Quarks in Proton-antiproton Collisions written by Gustavo Kertzscher Schwencke and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Charged Higgs Bosons Decaying to Top and Bottom Quarks in Proton-antiproton Collisions by : Gustavo Kertzscher
Download or read book Search for Charged Higgs Bosons Decaying to Top and Bottom Quarks in Proton-antiproton Collisions written by Gustavo Kertzscher and published by . This book was released on 2008 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Srch for Charged Higgs Bosons Decaying to Top and Bottom Quarks in Proton-antiproton Collisions by :
Download or read book Srch for Charged Higgs Bosons Decaying to Top and Bottom Quarks in Proton-antiproton Collisions written by and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Search for Charged Higgs Boson Decays of the Top Quark Using Hadronic Decays of the Tau Lepton in Proton-antiproton Collisions at Square Root S by :
Download or read book A Search for Charged Higgs Boson Decays of the Top Quark Using Hadronic Decays of the Tau Lepton in Proton-antiproton Collisions at Square Root S written by and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Standard Model predicts the existence of one neutral scalar Higgs boson, which is a remnant of the mechanism that breaks the SU(2)[sub L]xU(1)[sub Y] electroweak symmetry and generates masses for the heavy vector bosons and fermions. Many extensions to the Standard Model predict two or more Higgs doublets, resulting in a larger spectrum of Higgs bosons including a charged Higgs boson (H[sup [+-]]). For a light charged Higgs boson mass, the top decay into a charged Higgs boson and bottom quark might occur. This thesis presents results of a direct search for this top quark decay mode via the charged Higgs decay to a tau lepton and tau-neutrino, using the hadronic decays of the tau leptons. The search data consist of 100 pb[sup -1] of Run 1 data collected between 1992-1995 at the CDF detector, from p[anti p] collisions at a center-of-mass energy of 1.8 TeV produced at Fermilab's Tevatron accelerator. A total of seven events are observed in two search channels with an expected background contribution of 7.4[+-]2.0 events coming from fake taus (5.4[+-]1.5), heavy vector boson decays with jets (1.9[+-]1.3) and dibosons(0.08[+-]0.06). Lacking evidence for a signal, we set limits on charged Higgs production at the 95% confidence level in the charged Higgs mass plane versus tan[beta](a parameter of the theory) for a top quark mass of 175 GeV/c[sup 2] and for top production cross sections ([sigma][sub t[anti t]]) of 5.0 and 7.5 pb, assuming the Type-II Two-Higgs-Doublet-Model. For large tan[beta], this analysis excludes a charged Higgs boson of mass below 147(158)GeV/c[sup 2] for [sigma][sub t[anti t]]=5.0(7.5)pb. Using the Standard Model measured top quark cross section from CDF, this limit increases to 168 GeV/c[sup 2] and we also exclude a branching fraction of top decays via this charged Higgs mode of greater than 43% for charged Higgs masses below 168 GeV/c[sup 2].
Book Synopsis Search for Charged Higgs Bosons in Decays of Top Quarks in Proton - Antiproton Collisions at S**1/2 by :
Download or read book Search for Charged Higgs Bosons in Decays of Top Quarks in Proton - Antiproton Collisions at S**1/2 written by and published by . This book was released on 2009 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this dissertation we report on the first direct search for charged Higgs bosons in decays of top quarks in p{bar p} collisions at √s = 1.96 TeV. The search uses a data sample with an integrated luminosity of 2.2 fb−1 collected by the CDF II detector at Fermilab and looks for a resonance in the invariant mass distribution of two jets in the lepton+jets sample of t{bar t} candidates. We observe no evidence of charged Higgs bosons in top quark decays; hence 95% C.L. upper limits on the branching ratio are placed at [Beta](t → H+b)
Book Synopsis Search for Charged Higgs Bosons in Decays of Top Quarks in Proton-antiproton Collisions at [square Root Symbol] S by : Geum Bong Yu
Download or read book Search for Charged Higgs Bosons in Decays of Top Quarks in Proton-antiproton Collisions at [square Root Symbol] S written by Geum Bong Yu and published by . This book was released on 2009 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Charged Higgs Bosons Decaying Into Top and Bottom Quarks with Single-lepton Final States Using Pp Collisions Collected at a Centre-of-mass Energy of 13 TeV by the ATLAS Detector by : Francesco Peri
Download or read book Search for Charged Higgs Bosons Decaying Into Top and Bottom Quarks with Single-lepton Final States Using Pp Collisions Collected at a Centre-of-mass Energy of 13 TeV by the ATLAS Detector written by Francesco Peri and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Search for Top Quark Decays to a Charged Higgs Boson in Proton-antiproton Collisions at a Center-of-mass Energy of 1.8 TeV by : Brendan Bevensee
Download or read book A Search for Top Quark Decays to a Charged Higgs Boson in Proton-antiproton Collisions at a Center-of-mass Energy of 1.8 TeV written by Brendan Bevensee and published by . This book was released on 1999 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Search for the Charged Higgs Boson Decays of the Top Quark Using Hadronic Decays of the Tau Lepton in Proton-antiproton Collisions at [square Root]s by : Leslie Stevan Groer
Download or read book A Search for the Charged Higgs Boson Decays of the Top Quark Using Hadronic Decays of the Tau Lepton in Proton-antiproton Collisions at [square Root]s written by Leslie Stevan Groer and published by . This book was released on 1998 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Charged Higgs Bosons Produced in Association with a Top Quark and Decaying Via H±2!tau][nu] Using Pp Collision Data Recorded at [mml by :
Download or read book Search for Charged Higgs Bosons Produced in Association with a Top Quark and Decaying Via H±2!tau][nu] Using Pp Collision Data Recorded at [mml written by and published by . This book was released on 2016 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this paper, charged Higgs bosons produced in association with a single top quark and decaying via H±→[tau][nu] are searched for with the ATLAS experiment at the LHC, using proton-proton collision data at √s=13 TeV corresponding to an integrated luminosity of 3.2 fb-1. The final state is characterised by the presence of a hadronic [tau] decay and missing transverse momentum, as well as a hadronically decaying top quark, resulting in the absence of high-transverse-momentum electrons and muons. The data are found to be consistent with the expected background from Standard Model processes. A statistical analysis leads to 95% confidence-level upper limits on the production cross section times branching fraction, [sigma](pp→[b]tH±)×BR(H±→[tau][nu]) , between 1.9 pb and 15 fb, for charged Higgs boson masses ranging from 200 to 2000 GeV. Finally, the exclusion limits for this search surpass those obtained with the proton-proton collision data recorded at √s=8 TeV.
Book Synopsis Search for Charged Higgs Bosons Produced in Association with a Top Quark and Decaying Via H±{u2192}?? Using Pp Collision Data Recorded at by :
Download or read book Search for Charged Higgs Bosons Produced in Association with a Top Quark and Decaying Via H±{u2192}?? Using Pp Collision Data Recorded at written by and published by . This book was released on 2016 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this paper, charged Higgs bosons produced in association with a single top quark and decaying via H±→?? are searched for with the ATLAS experiment at the LHC, using proton–proton collision data at √s=13 TeV corresponding to an integrated luminosity of 3.2 fb-1. The final state is characterised by the presence of a hadronic ? decay and missing transverse momentum, as well as a hadronically decaying top quark, resulting in the absence of high-transverse-momentum electrons and muons. The data are found to be consistent with the expected background from Standard Model processes. A statistical analysis leads to 95% confidence-level upper limits on the production cross section times branching fraction, ?(pp→[b]tH±)×BR(H±→??) , between 1.9 pb and 15 fb, for charged Higgs boson masses ranging from 200 to 2000 GeV. Finally, the exclusion limits for this search surpass those obtained with the proton–proton collision data recorded at √s=8 TeV.
Book Synopsis Search for Resonant Pair Production of Higgs Bosons Decaying to Two Bottom Quark-antiquark Pairs in Proton-proton Collisions at 8 TeV. by :
Download or read book Search for Resonant Pair Production of Higgs Bosons Decaying to Two Bottom Quark-antiquark Pairs in Proton-proton Collisions at 8 TeV. written by and published by . This book was released on 2015 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: A model-independent search for a narrow resonance produced in proton-proton collisions at √s = 8 TeV and decaying to a pair of 125 GeV Higgs bosons that in turn each decays into a bottom quark-antiquark pair is performed by the CMS experiment at the LHC. We analyzed the data so that it corresponded to an integrated luminosity of 17.9 fb-1. No evidence for a signal is observed. Upper limits at a 95% confidence level on the production cross section for such a resonance, in the mass range from 270 to 1100 GeV, are reported. A radion with decay constant of 1 TeV and mass from 300 to 1100 GeV, and a Kaluza-Klein graviton with mass from 380 to 830 GeV are excluded at a 95% confidence level.
Book Synopsis Search for Charged Higgs Bosons Decaying Into a Top and a Bottom Quark in the All-jet Final State of Pp Collisions at √s by : Albert M. Sirunyan
Download or read book Search for Charged Higgs Bosons Decaying Into a Top and a Bottom Quark in the All-jet Final State of Pp Collisions at √s written by Albert M. Sirunyan and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Charged Higgs Bosons in Decays of Top Quarks in P Anti-p Collisions at S**ư by :
Download or read book Search for Charged Higgs Bosons in Decays of Top Quarks in P Anti-p Collisions at S**ư written by and published by . This book was released on 2009 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: We report on the first direct search for charged Higgs bosons in decays of top quarks in p{bar p} collisions at √s = 1.96 TeV. The search uses a data sample corresponding to an integrated luminosity of 2.2 fb−1 collected by the CDF II detector at Fermilab, and looks for a resonance in the invariant mass distribution of two jets in the lepton+jets sample of t{bar t} candidates. We observe no evidence of charged Higgs bosons in top quark decays. Hence, 95% upper limits on the top quark decay branching ratio are placed at?(t → Hb)
Book Synopsis Search for Charged Higgs Bosons in Decays of Top Quarks in P Anti-p Collisions at S**1/2 by :
Download or read book Search for Charged Higgs Bosons in Decays of Top Quarks in P Anti-p Collisions at S**1/2 written by and published by . This book was released on 2009 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: We report on the first direct search for charged Higgs bosons in decays of top quarks in p{bar p} collisions at √s = 1.96 TeV. The search uses a data sample corresponding to an integrated luminosity of 2.2 fb−1 collected by the CDF II detector at Fermilab, and looks for a resonance in the invariant mass distribution of two jets in the lepton+jets sample of t{bar t} candidates. We observe no evidence of charged Higgs bosons in top quark decays. Hence, 95% upper limits on the top quark decay branching ratio are placed at [Beta](t → H+b)
Book Synopsis Search for the Standard Model Higgs Boson in the Z Boson-H Boson Decaying to Positive Muon-negative Muon and Bottom-anti-bottom Quark Channel in Proton-antiproton Collisions at the Center of Mass Energy by :
Download or read book Search for the Standard Model Higgs Boson in the Z Boson-H Boson Decaying to Positive Muon-negative Muon and Bottom-anti-bottom Quark Channel in Proton-antiproton Collisions at the Center of Mass Energy written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Search for the standard model Higgs boson in the Z boson-H boson decaying to positive muon-negative muon and bottom-anti-bottom quark channel in proton-antiproton collisions at the center of mass energy = 1.96 TeV.
Book Synopsis Inclusive Search for Highly Boosted Higgs Bosons Decaying to Bottom Quark-antiquark Pairs in Proton-proton Collisions at √s by : Albert M. Sirunyan
Download or read book Inclusive Search for Highly Boosted Higgs Bosons Decaying to Bottom Quark-antiquark Pairs in Proton-proton Collisions at √s written by Albert M. Sirunyan and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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