Search For Admixture Of Scalar Top In The Ttbar Lepton Jets Final State At S 1 2

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Search For Admixture Of Scalar Top In The Ttbar Lepton Jets Final State At S 1 2

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Author :
language : en
Publisher:
Release Date : 2007

Search For Admixture Of Scalar Top In The Ttbar Lepton Jets Final State 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 2007 with categories.

A search for pair production of scalar top (stop) quarks has been performed in the lepton+jets channel in H"1 fb−1 of data at the D0 experiment. Kinematic differences between {tilde t}1{bar {tilde t}}1 and the dominant t{bar t} process are used to separate the two reactions. For stop-quark masses of 145-175 GeV, and chargino masses of 105-135 GeV, to which the stop quarks decay ({tilde t}1 2!{tilde {chi}}1b), we obtain upper limits on the {tilde t}1{bar {tilde t}}1 cross section at 95% confidence, that are a factor of H"7-12 larger than expected from the Minimal Supersymmetric Standard Model (MSSM), as calculated in a next-to-leading-order (NLO) approximation in quantum chromodynamics (QCD).

Search For Admixture Of Scalar Top In The Tt Lepton Jets Final State At Square Root Of S

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Author : Su-Jung Park
language : en
Publisher:
Release Date : 2007

Search For Admixture Of Scalar Top In The Tt Lepton Jets Final State At Square Root Of S written by Su-Jung Park and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.

Search For Top In Lepton Jets In D0 Using A Topological Tag

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Author :
language : en
Publisher:
Release Date : 1994

Search For Top In Lepton Jets In D0 Using A Topological Tag written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.

Measurement Of The Ttbar Production Cross Section At S 1 2

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Author :
language : en
Publisher:
Release Date : 2005

Measurement Of The Ttbar Production Cross Section 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.

A measurement of the t[bar t] production cross section in the lepton+jets channels with the D0 detector at [radical]s = 1.96 TeV using the lifetime-tagging techniques is presented. The t[bar t] cross section is estimated from the combination of the e+jets and [mu]+jets channels. The obtained result [sigma][sub tt][sup -] = 7.47 [sub -1.14][sup +1.22](stat)[sub -1.03][sup +1.65](syst) [+-] 0.49 (lumi) pb is consistent with the Standard Model expectation.

Measurement Of The Tt Bar Bb Bar And Tt Bar Jj Production Rate And The Tt Bar H Contribution In The Lepton Jets Final State At S

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Author : Tobias Verlage
language : en
Publisher:
Release Date : 2017*

Measurement Of The Tt Bar Bb Bar And Tt Bar Jj Production Rate And The Tt Bar H Contribution In The Lepton Jets Final State At S written by Tobias Verlage and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017* with categories.

A Measurement Of The Jet Multiplicity In Di Lepton Final States Of Ttbar Events

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Author : Dustin Henry Urbaniec
language : en
Publisher:
Release Date : 2013

A Measurement Of The Jet Multiplicity In Di Lepton Final States Of Ttbar Events written by Dustin Henry Urbaniec and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.

Measurement Of The Tt Bar Bb Bar And Tt Bar Jj Production Rate And The Tt Bar H Contribution In The Lepton Jets Final State At S

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Author : Tobias Verlage
language : en
Publisher:
Release Date : 2017*

Measurement Of The Tt Bar Bb Bar And Tt Bar Jj Production Rate And The Tt Bar H Contribution In The Lepton Jets Final State At S written by Tobias Verlage and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017* with categories.

Measurement Of The T Anti T Production Cross Section At S 1 2

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Author : Alexander Khanov
language : en
Publisher:
Release Date : 2004

Measurement Of The T Anti T Production Cross Section At S 1 2 written by Alexander Khanov 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.

A measurement of the t{bar t} production cross section in the lepton+jets channels with the D0 detector at {radical}s = 1.96 TeV using the lifetime-tagging techniques is presented. The t{bar t} cross section is estimated from the combination of the e+jets and {mu}+jets channels. The obtained result {sigma}{sub t{bar t}} = 7.47{sub -1.14}{sup +1.22}(stat){sub -1.03}{sup +1.65}(syst) {+-} 0.49(lumi) pb is consistent with the Standard Model expectation.

Search For New Physics With The Mt2 Variable In All Jets Final States Produced In Pp Collisions At S

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Author : Mario Masciovecchio
language : en
Publisher:
Release Date : 2016

Search For New Physics With The Mt2 Variable In All Jets Final States Produced In Pp Collisions At S written by Mario Masciovecchio and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.

A Search For Resonant Production Of Tt Pairs In 4 8 Fb 1 Of Integrated Luminosity Of Pp Collisions At U221a S

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Author :
language : en
Publisher:
Release Date : 2011

A Search For Resonant Production Of Tt Pairs In 4 8 Fb 1 Of Integrated Luminosity Of Pp Collisions At U221a 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.

We search for resonant production of tt pairs in 4.8 fb-1 integrated luminosity of pp collision data at √s = 1.96 TeV in the lepton+jets decay channel, where one top quark decays leptonically and the other hadronically. A matrix element reconstruction technique is used; for each event a probability density function (pdf) of the tt candidate invariant mass is sampled. These pdfs are used to construct a likelihood function, whereby the cross section for resonant tt production is estimated, given a hypothetical resonance mass and width. The data indicate no evidence of resonant production of tt pairs. A benchmark model of leptophobic Z' → tt is excluded with mZ'