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Search For Single Top Quark Production Via Flavour Changing Neutral Currents In Strong Interactions Using Wurzels
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Book Synopsis Search for Single Top-quark Production Via Flavour-changing Neutral Currents in Strong Interactions Using [Wurzel]s by : Conrad Friedrich
Download or read book Search for Single Top-quark Production Via Flavour-changing Neutral Currents in Strong Interactions Using [Wurzel]s written by Conrad Friedrich and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Single Top-quark Production Via Flavour-changing Neutral Currents at 8 TeV with the ATLAS Detector by :
Download or read book Search for Single Top-quark Production Via Flavour-changing Neutral Currents at 8 TeV with the ATLAS Detector written by and published by . This book was released on 2016 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: A search for single top-quark production via flavour-changing neutral current processes from gluon plus up- or charm-quark initial states in proton-proton collisions at the LHC is presented. Data collected with the ATLAS detector in 2012 at a centre-of-mass energy of 8 TeV and corresponding to an integrated luminosity of 20.3 fb-1 are used. Furthermore, candidate events for a top quark decaying into a lepton, a neutrino and a jet are selected and classified into signal- and background-like candidates using a neural network.
Book Synopsis Erratum To: Search for Single Top-quark Production Via Flavour-changing Neutral Currents at 8 TeV with the ATLAS Detector by : [Study Group] ATLAS Collaboration CERN
Download or read book Erratum To: Search for Single Top-quark Production Via Flavour-changing Neutral Currents at 8 TeV with the ATLAS Detector written by [Study Group] ATLAS Collaboration CERN and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Flavor Changing Neutral Currents in Single Top Quark Production Using 2.3 Fb$^-1$ of $p\bar{p}$ Collisions by :
Download or read book Search for Flavor Changing Neutral Currents in Single Top Quark Production Using 2.3 Fb$^-1$ of $p\bar{p}$ Collisions written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We present a search for flavor changing neutral currents via quark-gluon couplings in a sample of single top quark final states corresponding to 2.3 fb−1 of integrated luminosity collected with the D0 detector at the Fermilab Tevatron Collider. We select events containing a single top quark candidates with an additional jet, and obtain separation between signal and background using Bayesian neural networks. We find consistency between background expectation and observed data, and set limits on avor changing neutral current gluon couplings of the top quark to up quarks (tgu) and charm quarks (tgc). The cross section limits at the 95% C.L. are [sigma]{sub tgu}
Book Synopsis A Search for Single Top-quark Production and Flavour-changing Neutral-current Interactions at H1 by : John James Kennedy
Download or read book A Search for Single Top-quark Production and Flavour-changing Neutral-current Interactions at H1 written by John James Kennedy and published by . This book was released on 2002 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Anomalous Single Top Quark Production Via Flavour-Changing Neutral Currents with the ATLAS Detector at the Large Hadron Collider by :
Download or read book Search for Anomalous Single Top Quark Production Via Flavour-Changing Neutral Currents with the ATLAS Detector at the Large Hadron Collider written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Discovery of Single Top Quark Production by : Dag Gillberg
Download or read book Discovery of Single Top Quark Production written by Dag Gillberg and published by Springer Science & Business Media. This book was released on 2011-01-22 with total page 149 pages. Available in PDF, EPUB and Kindle. Book excerpt: The top quark is by far the heaviest known fundamental particle with a mass nearing that of a gold atom. Because of this strikingly high mass, the top quark has several unique properties and might play an important role in electroweak symmetry breaking—the mechanism that gives all elementary particles mass. Creating top quarks requires access to very high energy collisions, and at present only the Tevatron collider at Fermilab is capable of reaching these energies. Until now, top quarks have only been observed produced in pairs via the strong interaction. At hadron colliders, it should also be possible to produce single top quarks via the electroweak interaction. Studies of single top quark production provide opportunities to measure the top quark spin, how top quarks mix with other quarks, and to look for new physics beyond the standard model. Because of these interesting properties, scientists have been looking for single top quarks for more than 15 years. This thesis presents the first discovery of single top quark production. It documents one of the flagship measurements of the D0 experiment, a collaboration of more than 600 physicists from around the world. It describes first observation of a physical process known as “single top quark production”, which had been sought for more than 10 years before its eventual discovery in 2009. Further, his thesis describes, in detail, the innovative approach Dr. Gillberg took to this analysis. Through the use of Boosted Decision Trees, a machine-learning technique, he observed the tiny single top signal within an otherwise overwhelming background. This Doctoral Thesis has been accepted by Simon Fraser University, Burnaby, BC, Canada.
Book Synopsis Search for Production of Single Top Quarks Via $tcg$ and $tug$ Flavor-changing Neutral Current Couplings by :
Download or read book Search for Production of Single Top Quarks Via $tcg$ and $tug$ Flavor-changing Neutral Current Couplings written by and published by . This book was released on 2008 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Searches for Flavor-changing Neutral Currents and Single Top Quarks at by :
Download or read book Searches for Flavor-changing Neutral Currents and Single Top Quarks at written by and published by . This book was released on 2008 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: I present brief descriptions of two top quark analyses performed using D0 data from p{bar p} collisions at (square root)s = 1.96 TeV: the search for flavor-changing neutral-current couplings (FCNC) of the top quark with a charm or an up quark with the exchange of a gluon, and the search for the standard model production of single top quarks. The search for FCNC couplings of a gluon to the top quark is the first such analysis at hadron colliders. I describe the application of the Bayesian approach for comparing our physics models to the observed data in both analyses and, in one of them, to separate small signals from large backgrounds.
Book Synopsis Search for Flavour Changing Neutral Currents in Single Top-quark Production at √s by : Muhammad Alhroob
Download or read book Search for Flavour Changing Neutral Currents in Single Top-quark Production at √s written by Muhammad Alhroob and published by . This book was released on 2013 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Flavor Changing Neutral Currents in Top Quark Decays Using a Two-leptons+track Selection by :
Download or read book Search for Flavor Changing Neutral Currents in Top Quark Decays Using a Two-leptons+track Selection written by and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Flavour-changing Neutral Currents in Processes with a Single Top Quark in Association with a Photon Using a Deep Neural Network at the ATLAS Experiment at √s by : Gregor Geßner
Download or read book Search for Flavour-changing Neutral Currents in Processes with a Single Top Quark in Association with a Photon Using a Deep Neural Network at the ATLAS Experiment at √s written by Gregor Geßner and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Electroweak Top Quark Production in the Electron + Jets Channel in the D0 Experiment at the Tevatron by : Emmanuel Busato
Download or read book Search for Electroweak Top Quark Production in the Electron + Jets Channel in the D0 Experiment at the Tevatron written by Emmanuel Busato and published by . This book was released on 2005 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Flavor Changing Neutral Current Decays of the Top Quark in P {anti P} Collisions at (square Root) S by :
Download or read book Search for Flavor Changing Neutral Current Decays of the Top Quark in P {anti P} Collisions at (square Root) S written by and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Flavor-changing Neutral Current Top Quark Decays T - Hq, with H - Bb, in Pp Collisions at [square Root Of] 2 by : Shota Tsiskaridze
Download or read book Search for Flavor-changing Neutral Current Top Quark Decays T - Hq, with H - Bb, in Pp Collisions at [square Root Of] 2 written by Shota Tsiskaridze and published by . This book was released on 2015 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies of Top Quark Production at by :
Download or read book Studies of Top Quark Production at written by and published by . This book was released on 2011 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: I present recent results on top quark production in pp collisions at a center of mass energy of 1.96 TeV. The studies were performed by the D0 collaboration using approximately 5 fb−1 of data taken during Run II at the Fermilab Tevatron accelerator. The top quark is the heaviest known elementary particle and completes the quark sector of the three-generation structure of the standard model (SM). It differs from the other quarks not only by its much larger mass, but also by its lifetime which is too short to build hadronic bound states. The SM predicts that top quarks are created via two independent production mechanisms at hadron colliders. The primary mode, in which a t{bar t} pair is produced from a gtt vertex via the strong interaction, was used by the D0 and CDF collaborations to establish the existence of the top quark in 1995. The second production mode of top quarks at hadron colliders is the electroweak production of a single top quark from a Wtb vertex. The predicted cross section for single top quark production is about half that of t{bar t} pairs but the signal-to-background ratio is much worse; observation of single top quark production has therefore until recently been impeded by its low rate and difficult background environment compared to the top pair production. In the following sections I will present results for the measurement of the t{bar t} pair and the single top quark production cross section using respectively 5.3 fb−1 and 5.4 fb−1 of data taken by the D0 experiment.
Book Synopsis Search for Top Quark Decays Via Higgs-boson-mediated Flavor-changing Neutral Currents in Pp Collisions at √s by :
Download or read book Search for Top Quark Decays Via Higgs-boson-mediated Flavor-changing Neutral Currents in Pp Collisions at √s written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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