Inclusive Search For New Physics With Like Sign Dilepton Events In P Bar P Collisions At Sqrt S

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Inclusive Search For New Physics With Like Sign Dilepton Events In P Bar P Collisions At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2007

Inclusive Search For New Physics With Like Sign Dilepton 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 2007 with categories.

Scientific And Technical Aerospace Reports

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Author :
language : en
Publisher:
Release Date : 1995

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 1995 with Aeronautics 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.

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 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 Radical S

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language : en
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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%.

Model Independent Search For New Phenomena In P Bar P Collisions At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2011

Model Independent Search For New Phenomena 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 2011 with categories.

We describe a model independent search for physics beyond the standard model in lepton final states. We examine 117 final states using 1.1 fb−1 of p{bar p} collisions data at √s = 1.96 TeV collected with the D0 detector. We conclude that all observed discrepancies between data and model can be attributed to uncertainties in the standard model background modeling, and hence we do not see any evidence for physics beyond the standard model.

Search For New Physics In Events With High Jet Multiplicity And Low Missing Transverse Momentum In Proton Proton Collisions At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2016

Search For New Physics In Events With High Jet Multiplicity And Low Missing Transverse Momentum In Proton Proton 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 2016 with categories.

A dedicated search is presented for new phenomena in inclusive eight- and ten-jet final states with low missing transverse momentum, with and without identification of jets originating from b quarks. The analysis is based on data from proton-proton collisions corresponding to an integrated luminosity of 19.6 inverse femtobarns collected with the CMS detector at the LHC at sqrt(s) = 8 TeV. The dominant multijet background expectations are obtained from low jet multiplicity control samples. Data agree well with the standard model background predictions, and limits are set in several benchmark models. Colorons (axigluons) with masses between 0.6 and 0.75 (up to 1.15) TeV are excluded at 95% confidence level. Similar exclusion limits for gluinos in R-parity violating supersymmetric scenarios are from 0.6 up to 1.1TeV. These results comprise the first experimental probe of the coloron and axigluon models in multijet final states.

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 New Physics In The Exclusive Gamma Met Final State In P Pbar Collisions At Sqrt S

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Author : Adam Jude Aurisano
language : en
Publisher:
Release Date : 2013

Search For New Physics In The Exclusive Gamma Met Final State In P Pbar Collisions At Sqrt S written by Adam Jude Aurisano 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.

This dissertation presents a search for heavy, long-lived, neutral particles that decay to photons in proton anti-proton collisions with a center of mass energy of 1.96 TeV at the Collider Detector at Fermilab (CDF) experiment. Such particles are typical of models of Gauge Mediated Supersymmetry Breaking (GMSB). We select events with a single photon, missing transverse energy, and little other activity in the detector. We model the photon arrival time for Standard Model and non-collision sources using a data-driven method and consider photons which have a time of arrival at the detector which is significantly delayed relative to predictions. Using 6.3 fb-1 of data collected from December 2004 to June 2010, we observe 322 events in the signal region compared to a background prediction of 287 ± 24 events. While the data are consistently above predictions, we report a model excess with a significance of 1.2 standard deviations from the null hypothesis. The electronic version of this dissertation is accessible from http://hdl.handle.net/1969.1/148427