Search For Neutral Supersymmetric Higgs Bosons In Boldmath P Bar P Collisions At Boldmath Sqrt S

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Search For Neutral Supersymmetric Higgs Bosons In Boldmath P Bar P Collisions At Boldmath Sqrt S

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Author :
language : en
Publisher:
Release Date : 2009

Search For Neutral Supersymmetric Higgs Bosons In Boldmath P Bar P Collisions At Boldmath Sqrt S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.

We report results of searches for neutral supersymmetric Higgs Bosons in up to 2.7 fb−1 of data collected with the D0 detector at the Fermilab Tevatron. The final states include muons, taus, and jets from the decay of b hadrons. The searches observe no significant excess and set upper limits on neutral Higgs production cross sections. The limits are also translated into exclusions of MSSM parameter space.

Search For Neutral Higgs Bosons In Multi B Jet Events In P Bar P Collisions At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2008

Search For Neutral Higgs Bosons In Multi B Jet Events In P Bar P Collisions At Sqrt S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.

Search For Neutral Minimal Supersymmetric Standard Model Higgs Bosons Decaying To Tau Pairs In Pp Collisions At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2011

Search For Neutral Minimal Supersymmetric Standard Model Higgs Bosons Decaying To Tau Pairs In Pp Collisions At Sqrt S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.

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.

A Search For Neutral Higgs Bosons At High Tan Beta In Multi Jet Events From P Anti P Collisions At S 1 2

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Author : Andrew C. Haas
language : en
Publisher:
Release Date : 2004

A Search For Neutral Higgs Bosons At High Tan Beta In Multi Jet Events From P Anti P Collisions At S 1 2 written by Andrew C. Haas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.

The Higgs mechanism preserves the gauge symmetries of the Standard Model while giving masses to the W, Z bosons. Supersymmetry, which protects the Higgs boson mass scale from quantum corrections, predicts at least 5 Higgs bosons, none of which has been directly observed. This thesis presents a search for neutral Higgs bosons, produced in association with bottom quarks. The production rate is greatly enhanced at large values of the Supersymmetric parameter tan {beta}. High-energy p{bar p} collision data, collected from Run II of the Fermilab Tevatron using the D0 detector, are analyzed. In the absence of a signal, values of tan {beta}> 80-120 are excluded at 95% Confidence Level (C.L.), depending on the (CP-odd) neutral Higgs boson mass (studied from 100 to 150 GeV/c{sup 2}).

Search For Neutral Higgs Bosons In The Multi B Jet Topology In 5 2fb 1 Of P Bar P Collisions At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2010

Search For Neutral Higgs Bosons In The Multi B Jet Topology In 5 2fb 1 Of P Bar P Collisions At Sqrt S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.

Data recorded by the D0 experiment at the Fermilab Tevatron Collider are analyzed to search for neutral Higgs bosons produced in association with b quarks. The search is performed in the three-b-quark channel using multijet-triggered events corresponding to an integrated luminosity of 5.2 fb−1. In the absence of any significant excess above background, limits are set on the cross section multiplied by the branching ratio in the Higgs boson mass range 90 to 300 GeV, extending the excluded regions in the parameter space of the minimal supersymmetric standard model.

Searches For Beyond Standard Model Higgs Bosons In Pp Collisions At Square Root Of S

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Author : Pedro H. Sales de Bruin
language : en
Publisher:
Release Date : 2016

Searches For Beyond Standard Model Higgs Bosons In Pp Collisions At Square Root Of S written by Pedro H. Sales de Bruin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Higgs bosons categories.

The searches for a Beyond Standard Model (BSM) heavy CP-odd Higgs boson A decaying to Zh in the context of two-Higgs-doublet models (2HDM), and Minimal Supersymmetric Standard Model (MSSM) neutral Higgs bosons H/A decaying to a tau pair are presented. The search for the heavy CP-odd Higgs boson, A, is conducted through the A -> Zh -> ll T[subscript]lep T[subscript]had decay channel using 20.3 fb−1 of proton-proton collision data collected by the ATLAS detector at a center-of-mass of 8 TeV. The search for the neutral MSSM H/A decaying to a tau pair in the T[subscript]lep T[subscript]had b-veto final state is done using 3.2 fb−1 of proton-proton collision data recorded by the ATLAS detector at a center-of-mass of 13 TeV. The observed data agrees with the Standard Model background prediction, and upper limits are set on cross-section times branching ratio of neutral BSM Higgs bosons.

A Search For Neutral Higgs Bosons At High Tan Beta In Multi Jet Events From Pp Collisions At Square Root Of S

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Author : Andrew C. Haas
language : en
Publisher:
Release Date : 2004

A Search For Neutral Higgs Bosons At High Tan Beta In Multi Jet Events From Pp Collisions At Square Root Of S written by Andrew C. Haas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Higgs bosons categories.

Search For Neutral Mssm Higgs Bosons Decaying To Mu Mu In Pp Collisions At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2015

Search For Neutral Mssm Higgs Bosons Decaying To Mu Mu In Pp Collisions At Sqrt S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.

A search for neutral Higgs bosons predicted in the minimal supersymmetric standard model (MSSM) for ?+?- decay channels is presented. Our analysis uses data collected by the CMS experiment at the LHC in proton–proton collisions at centre-of-mass energies of 7 and 8 TeV, corresponding to integrated luminosities of 5.1 and 19.3 fb-1, respectively. The search is sensitive to Higgs bosons produced either through the gluon fusion process or in association with a bb quark pair. No statistically significant excess is observed in the ?+?- mass spectrum. Results are interpreted in the framework of several benchmark scenarios, and the data are used to set an upper limit on the MSSM parameter tan ? as a function of the mass of the pseudoscalar A boson in the range from 115 to 300 GeV. Furthermore, the model independent upper limits are given for the product of the cross section and branching fraction for gluon fusion and b quark associated production at √s = 8 TeV. As a result, they are the most stringent limits obtained to date in this channel.

Search For Neutral Mssm Higgs Bosons Decaying To Mu Mu In Pp Collisions At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2015

Search For Neutral Mssm Higgs Bosons Decaying To Mu Mu In Pp Collisions At Sqrt S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.

A search for neutral Higgs bosons predicted in the minimal supersymmetric standard model (MSSM) for [mu]+[mu]- decay channels is presented. Our analysis uses data collected by the CMS experiment at the LHC in proton-proton collisions at centre-of-mass energies of 7 and 8 TeV, corresponding to integrated luminosities of 5.1 and 19.3 fb-1, respectively. The search is sensitive to Higgs bosons produced either through the gluon fusion process or in association with a bb quark pair. No statistically significant excess is observed in the [mu]+[mu]- mass spectrum. Results are interpreted in the framework of several benchmark scenarios, and the data are used to set an upper limit on the MSSM parameter tan [beta] as a function of the mass of the pseudoscalar A boson in the range from 115 to 300 GeV. Furthermore, the model independent upper limits are given for the product of the cross section and branching fraction for gluon fusion and b quark associated production at √s = 8 TeV. As a result, they are the most stringent limits obtained to date in this channel.

Search For Neutral Supersymmetric Higgs Bosons In Multijet Events At S 1 2

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Author :
language : en
Publisher:
Release Date : 2005

Search For Neutral Supersymmetric Higgs Bosons In Multijet Events At S 1 2 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.

We have performed a search for neutral Higgs bosons produced in association with bottom quarks in p{bar p} collisions, using 260 pb−1 of data collected with the D0 detector in Run II of the Fermilab Tevatron Collider. The cross sections for these processes are enhanced in many extensions of the standard model (SM), such as in its minimal supersymmetric extension at large tan [beta]. The results of our analysis agree with expectations from the SM, and we use our measurements to set upper limits on the production of neutral Higgs bosons in the mass range of 90 to 150 GeV.