Search For The Production Of Scalar Bottom Quarks In P Bar P Collisions At Sqrt S
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Search For The Production Of Scalar Bottom Quarks In P Bar P Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2010
Search For The Production Of Scalar Bottom Quarks 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 2010 with categories.
We report on a search for direct scalar bottom quark (sbottom) pair production in p{bar p} collisions at (square root)s = 1.96 TeV, in events with large missing transverse energy and two jets of hadrons in the final state, where at least one of the jets is required to be identified as originating from a b quark. The study uses a CDF Run II data sample corresponding to 2.65 fb−1 of integrated luminosity. The data are in agreement with the standard model. In an R-parity conserving minimal supersymmetric scenario, and assuming that the sbottom decays exclusively into a bottom quark and a neutralino, 95% confidence-level upper limits on the sbottom pair production cross section of 0.1 pb are obtained. For neutralino masses below 70 GeV/c2, sbottom masses up to 230 GeV/c2 are excluded at 95% confidence level.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1994
Scientific And Technical Aerospace Reports 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 Aeronautics categories.
Search For Scalar Bottom Quarks And Third Generation Leptoquarks In P P Bar Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2010
Search For Scalar Bottom Quarks And Third Generation Leptoquarks In P P Bar 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.
We report the results of a search for pair production of scalar bottom quarks ({tilde b}1) and scalar third-generation leptoquarks (LQ3) in 5.2 fb−1 of p{bar p} collisions at the D0 experiment of the Fermilab Tevatron Collider. Scalar bottom quarks are assumed to decay to a neutralino ({tilde {chi}}1°) and a b quark, and we set 95% C.L. lower limits on their production in the (m{sub {tilde b}1}, m{sub {tilde {chi}}1°}) mass plane such as m{sub {tilde b}1}> 247 GeV for m{sub {tilde {chi}}1°} = 0 and m{sub {tilde {chi}}1°}> 110 GeV for 160
Energy Research Abstracts
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Author :
language : en
Publisher:
Release Date : 1989
Energy Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Power resources categories.
Search For Scalar Bottom Quarks And Third Generation Leptoquarks In P Overline P Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2010
Search For Scalar Bottom Quarks And Third Generation Leptoquarks In P Overline 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.
We present the results of a search for pair production of scalar bottom quarks ({bar b}1) and scalar third-generation leptoquarks (LQ3) in a data sample of 5.2 f b−1 collected by the D0 experiment at the Tevatron, the p{bar p} collider at Fermilab. We assume that sbottoms decay to a neutralino ({bar {chi}}1°) and a b quark, and we set 95% C.L. lower limits on their production in the (m{sub {bar b}1}, m{sub {bar {chi}}1°}) mass plane such that m{sub {bar b}1}> 247 GeV for m{sub {bar {chi}}1°} = 0 and m{sub {bar {chi}}1°}> 110 GeV for 160
American Doctoral Dissertations
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language : en
Publisher:
Release Date : 1998
American Doctoral Dissertations written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Dissertation abstracts categories.
Search For Pair Production Of Scalar Bottom Quarks In P Anti P Collisions At S 1 2
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Author :
language : en
Publisher:
Release Date : 2006
Search For Pair Production Of Scalar Bottom Quarks In P Anti P Collisions 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 2006 with categories.
A search for direct production of scalar bottom quarks ({bar b}) is performed with 310 pb−1 of data collected by the D0 experiment in p{bar p} collisions at √s = 1.96 TeV at the Fermilab Tevatron Collider. The topology analyzed consists of two b jets and an imbalance in transverse momentum due to undetected neutralinos ({tilde {chi}}1°), with {tilde {chi}}1° assumed to be the lightest supersymmetric particle. They find the data consistent with standard model expectations, and set a 95% C.L. exclusion domain in the (m{sub {tilde b}}, m{sub {tilde {chi}}}) mass plane, improving significantly upon the results from Run I of the Tevatron.
Government Reports Annual Index
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Author :
language : en
Publisher:
Release Date : 1989
Government Reports Annual Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Government reports announcements & index categories.
Search For Pair Production Of Scalar Bottom Quarks In P Anti P Collisions At S
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Author :
language : en
Publisher:
Release Date : 2006
Search For Pair Production Of Scalar Bottom Quarks In P Anti P Collisions At 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 2006 with categories.
A search for direct production of scalar bottom quarks ({bar b}) is performed with 310 pb−1 of data collected by the D0 experiment in p{bar p} collisions at √s = 1.96 TeV at the Fermilab Tevatron Collider. The topology analyzed consists of two b jets and an imbalance in transverse momentum due to undetected neutralinos ({tilde {chi}}1°), with {tilde {chi}}1° assumed to be the lightest supersymmetric particle. They find the data consistent with standard model expectations, and set a 95% C.L. exclusion domain in the (m{sub {tilde b}}, m{sub {tilde {chi}}}) mass plane, improving significantly upon the results from Run I of the Tevatron.
A Search For Scalar Bottom Quarks From Gluino Decays In Anti P P Collisions At S 1 2
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Author :
language : en
Publisher:
Release Date : 2005
A Search For Scalar Bottom Quarks From Gluino Decays In Anti P P Collisions 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 searched for scalar bottom quarks in 156 pb−1 of {bar p}p collisions at √s = 1.96 TeV recorded by the CDF II experiment at the Tevatron. Scalar bottom quarks can be produced from gluino decays in R-parity conserving models of supersymmetry when the mass of the gluino exceeds that of the scalar bottom quark. Then, a scalar bottom quark can decay into a bottom quark and a neutralino. To search for this scenario, we investigated events with large missing transverse energy and at least three jets, two or more of which were identified as containing a secondary vertex from the hadronization of b quarks. We found four candidate events, where 2.6 ± 0.7 are expected from standard model processes, and placed 95% confidence level lower limits on gluino and scalar bottom quark masses of up to 280 and 240 GeV/c2 , respectively.