Search For Anomalous Kinematics Of Top Dilepton Events In Proton Anti Proton Collisions At U221a S

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Search For Anomalous Kinematics Of Top Dilepton Events In Proton Anti Proton Collisions At U221a S

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Author :
language : en
Publisher:
Release Date : 2004

Search For Anomalous Kinematics Of Top Dilepton Events In Proton Anti Proton 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 2004 with categories.

The author presents a search for anomalous kinematics of t$ar{t}$ dilepton events in p$ar{p}$ collisions at √s = 1.96 TeV using 193 pb-1 of data collected with the CDF II detector. They developed a new a priori technique designed to silate the subset in a data sample revealing the largest deviation from Standard Model expectations and to quantify the significance of this departure. In the four-variable space considered, no particular subset shows a significant discrepancy and they find that the probability to obtain a data sample less consistent with the Standard Model than what is observed is 1.0-4.5%.

Search For Anomalous Kinematics Of Top Dilepton Events In Proton Anti Proton Collisions At S 1 2

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Author :
language : en
Publisher:
Release Date : 2005

Search For Anomalous Kinematics Of Top Dilepton Events In Proton Anti Proton 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.

The authors present a search for anomalous kinematics of t[bar t] dilepton events in p[bar p] collisions at [radical]s = 1.96 TeV using 193 pb[sup -1] of data collected with the CDF II detector. They developed a new a priori technique designed to isolate the subset in a data sample revealing the largest deviation from Standard Model expectations and to quantify the significance of this departure. In the four-variable space considered, no particular subset shows a significant discrepancy and they find that the probability to obtain a data sample less consistent with the Standard Model than what is observed is 1.0-4.5%.

Search For Anomalous Kinematics Of Top Dilepton Events In Proton Antiproton Collisions At Square Root S

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Author : Andrew Gennadievich Ivanov
language : en
Publisher:
Release Date : 2004

Search For Anomalous Kinematics Of Top Dilepton Events In Proton Antiproton Collisions At Square Root S written by Andrew Gennadievich Ivanov 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.

Search For Anomalous Kinematics Of Top Dilepton Events In Proton Antiproton Collisions At Square Root S

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Author : Andrew Gennadievich Ivanov
language : en
Publisher:
Release Date : 2004

Search For Anomalous Kinematics Of Top Dilepton Events In Proton Antiproton Collisions At Square Root S written by Andrew Gennadievich Ivanov 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.

Top Physics

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Author : D. Acosta
language : en
Publisher:
Release Date : 2004

Top Physics written by D. Acosta 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.

We report on a search for anomalous kinematics of t{bar t} dilepton events in p{bar p} collisions at {radical}s = 1.96 TeV using 193 pb{sup -1} of data collected with the CDF II detector. We developed a new a priori technique designed to isolate the subset in a data sample revealing the largest deviation from standard model (SM) expectations and to quantify the significance of this departure. In the four-variable space considered, no particular subset shows a significant discrepancy and we find that the probability of obtaining a data sample less consistent with the SM than what is observed is 1.0-4.5%.

A Search For New Physics In Photon Lepton Events In Proton Antiproton Collisions At Radical S

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Author :
language : en
Publisher:
Release Date : 2003

A Search For New Physics In Photon Lepton Events In Proton Antiproton Collisions At Radical 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 2003 with categories.

We present the results of a search in p[bar p] collisions at[radical]s= 1.8 TeV for anomalous production of events containing a photon with large transverse energy and a lepton (e or[mu]) with large transverse energy, using 86 pb[sup -1] of data collected at the Collider Detector at Fermilab during the 1994-95 collider run at the Fermilab Tevatron. The presence of large missing transverse energy (E[sub T]), additional photons, or additional leptons in these events is also analyzed. The results are consistent with standard model expectations, with the possible exception of photon-lepton events with large E[sub T], for which the probability of a statistical fluctuation of the standard model expectation up to and above the observed level is 0.7%.

Search For New Physics In Same Sign Dilepton Events In Proton Proton Collisions At U221a S

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Author :
language : en
Publisher:
Release Date : 2016

Search For New Physics In Same Sign Dilepton Events In Proton Proton 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 2016 with categories.

A search for new physics is performed using events with two isolated same-sign leptons, two or more jets, and missing transverse momentum. The results are based on a sample of proton-proton collisions at a center-of-mass energy of 13 TeV recorded with the CMS detector at the LHC, corresponding to an integrated luminosity of 2.3 fb1. Multiple search regions are defined by classifying events in terms of missing transverse momentum, the scalar sum of jet transverse momenta, the transverse mass associated with a W boson candidate, the number of jets, the number of b quark jets, and the transverse momenta of the leptons in the event. The analysis is sensitive to a wide variety of possible signals beyond the standard model. No excess above the standard model background expectation is observed. Constraints are set on various supersymmetric models, with gluinos and bottom squarks excluded for masses up to 1300 and 680 GeV, respectively, at the 95% confidence level. Upper limits on the cross sections for the production of two top quark-antiquark pairs (119 fb) and two same-sign top quarks (1.7 pb) are also obtained. Furthermore, selection efficiencies and model independent limits are provided to allow further interpretations of the results.

Search For Gauge Mediated Susy Breaking In Diphoton Events In Proton Anti Proton Collisions At U221a S

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Author :
language : en
Publisher:
Release Date : 2004

Search For Gauge Mediated Susy Breaking In Diphoton Events In Proton Anti Proton 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 2004 with categories.

The authors present the results of a search for anomalous production of diphoton events with large missing transverse energy using the Collider Detector at Fermilab. In 202 pb-1 of p$ar{p}$ collisions at √s = 1.96 TeV they observe no candidate events, with an expected standard model background of 0.27 ± 0.07(stat) ± 0.10(syst) events. The results exclude a lightest chargino of mass less than 167 GeV/c2, and lightest neutralino of 93 GeV/c2 at 95% confidence level in a gauge-mediated supersymmetry-breaking model with a light gravitino.

Search For New Physics In Same Sign Dilepton Events In Proton Proton Collisions At S

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Author :
language : en
Publisher:
Release Date : 2016

Search For New Physics In Same Sign Dilepton Events In Proton Proton 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 2016 with categories.

A Search For New Physics In Photon Lepton Events In Proton Antiproton Collisions At Square Root S

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Author : Jeffrey W. Berryhill
language : en
Publisher:
Release Date : 2000

A Search For New Physics In Photon Lepton Events In Proton Antiproton Collisions At Square Root S written by Jeffrey W. Berryhill and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Collisions (Nuclear physics) categories.