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Search For Supersymmetry In Final States With Jets Missing Transverse Momentum And One Isolated Lepton In Sqrts
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Book Synopsis Search for Supersymmetry in Final States With Jets, Missing Transverse Momentum And One Isolated Lepton in Sqrt{s} by :
Download or read book Search for Supersymmetry in Final States With Jets, Missing Transverse Momentum And One Isolated Lepton in Sqrt{s} written by and published by . This book was released on 2013 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Supersymmetry Using Final States with One Lepton, Jets, and Missing Transverse Momentum with the ATLAS Detector in $\sqrt{s} by :
Download or read book Search for Supersymmetry Using Final States with One Lepton, Jets, and Missing Transverse Momentum with the ATLAS Detector in $\sqrt{s} written by and published by . This book was released on 2013 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Supersymmetry in Final States with Jets, Missing Transverse Momentum and at Least One Tau Lepton with the ATLAS Experiment by : Michel Janus
Download or read book Search for Supersymmetry in Final States with Jets, Missing Transverse Momentum and at Least One Tau Lepton with the ATLAS Experiment written by Michel Janus and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Frontiers of Fundamental Physics and Physics Education Research by : Burra G. Sidharth
Download or read book Frontiers of Fundamental Physics and Physics Education Research written by Burra G. Sidharth and published by Springer Science & Business Media. This book was released on 2014-03-20 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt: In a knowledge-based society, research into fundamental physics plays a vital role not only in the enhancement of human knowledge but also in the development of new technology that affects everyday life.The international symposium series Frontiers of Fundamental Physics (FFP) regularly brings together eminent scholars and researchers working in various areas in physics to exchange expertise, ideas, results, and new research perspectives. The twelfth such symposium, FFP12, took place at the University of Udine, Italy, and covered diverse fields of research: astrophysics, high energy physics and particle physics, theoretical physics, gravitation and cosmology, condensed matter physics, statistical physics, computational physics, and mathematical physics. Importantly, it also devoted a great deal of attention to physics education research, teacher training in modern physics, and popularization of physics. The high scientific level of FFP12 was guaranteed by the careful selection made by scientific coordinators from among 250 submissions from 28 countries across the world. During the three days of the conference, nine general talks were delivered in plenary sessions, 29 invited talks were given in specific topic areas, and 59 oral presentations were made. This book presents a selection of the best contributions at FFP12 with the aim of acquainting readers with the most important recent advances in fundamental physics and in physics education and teacher development.
Book Synopsis A Search for Supersymmetry in Final States with Two Same-flavor Opposite-sign Leptons, Jets and Missing Transverse Momentum with the ATLAS Detector by : Giulia Ripellino
Download or read book A Search for Supersymmetry in Final States with Two Same-flavor Opposite-sign Leptons, Jets and Missing Transverse Momentum with the ATLAS Detector written by Giulia Ripellino and published by . This book was released on 2017 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Supersymmetry in Events with a Single Lepton, Jets, and Missing Transverse Momentum Using a Neural Network by : Avishek Chatterjee
Download or read book Search for Supersymmetry in Events with a Single Lepton, Jets, and Missing Transverse Momentum Using a Neural Network written by Avishek Chatterjee and published by . This book was released on 2013 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: A search for supersymmetry in proton-proton collisions at [SQUARE ROOT] s = 7 TeV is presented, focusing on events with a single isolated lepton, energetic jets, and large missing transverse momentum. The analyzed data corresponds to a total integrated luminosity of 4.98 fb[-]1 recorded by the CMS experiment. The search uses an artificial neural network to suppress Standard Model backgrounds, and estimates residual backgrounds using a fully data-driven method. The analysis is performed in both the muon and electron channels, and the combined result is interpreted in terms of limits on the CMSSM parameter space, as well as a simplified model.
Book Synopsis Search for Supersymmetry in Events with One Lepton and Multiple Jets in Proton-proton Collisions at Sqrt(s) by :
Download or read book Search for Supersymmetry in Events with One Lepton and Multiple Jets in Proton-proton Collisions at Sqrt(s) written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A search for supersymmetry is performed in events with a single electron or muon in proton-proton collisions at a center-of-mass energy of 13 TeV. The data were recorded by the CMS experiment at the LHC and correspond to an integrated luminosity of 2.3 inverse femtobarns. Several exclusive search regions are defined based on the number of jets and b-tagged jets, the scalar sum of the jet transverse momenta, and the scalar sum of the missing transverse momentum and the transverse momentum of the lepton. The observed event yields in data are consistent with the expected backgrounds from standard model processes. The results are interpreted using two simplified models of supersymmetric particle spectra, both of which describe gluino pair production. In the first model, each gluino decays via a three-body process to top quarks and a neutralino, which is associated with the observed missing transverse momentum in the event. Gluinos with masses up to 1.6 TeV are excluded for neutralino masses below 600 GeV. In the second model, each gluino decays via a three-body process to two light quarks and a chargino, which subsequently decays to a W boson and a neutralino. The mass of the chargino is taken to be midway between the gluino and neutralino masses. In this model, gluinos with masses below 1.4 TeV are excluded for neutralino masses below 700 GeV.
Book Synopsis Search for Supersymmetry in Events with an Isolated Lepton, at Least 2-9 Jets and Missing Transverse Momentum with the ATLAS Detector by : Nikolai Hartmann
Download or read book Search for Supersymmetry in Events with an Isolated Lepton, at Least 2-9 Jets and Missing Transverse Momentum with the ATLAS Detector written by Nikolai Hartmann and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Supersymmetry in Final States with Jets, Missing Transverse Momentum and at Least One T [tau] Lepton with the ATLAS Experiment by : Michel Janus
Download or read book Search for Supersymmetry in Final States with Jets, Missing Transverse Momentum and at Least One T [tau] Lepton with the ATLAS Experiment written by Michel Janus and published by . This book was released on 2012 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Supersymmetry in Final States with Jets, Missing Transverse Energy and One Charged Lepton with the ATLAS-experiment by : Carsten Meyer
Download or read book Search for Supersymmetry in Final States with Jets, Missing Transverse Energy and One Charged Lepton with the ATLAS-experiment written by Carsten Meyer and published by . This book was released on 2014 with total page 191 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Supersymmetry in Final States with Jets, Missing Transverse Momentum and at Least One Τ Lepton with the ATLAS Experiment by : Michel Janus
Download or read book Search for Supersymmetry in Final States with Jets, Missing Transverse Momentum and at Least One Τ Lepton with the ATLAS Experiment written by Michel Janus and published by . This book was released on 2013 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Supersymmetry in Pp Collisions at $\sqrt{s}$ by :
Download or read book Search for Supersymmetry in Pp Collisions at $\sqrt{s}$ written by and published by . This book was released on 2014 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results are reported from a search for supersymmetry in pp collisions at a center-of-mass energy of 8 TeV, based on events with a single isolated lepton (electron or muon) and multiple jets, at least two of which are identified as b jets. The data sample corresponds to an integrated luminosity of 19.3 inverse femtobarns recorded by the CMS experiment at the LHC in 2012. The search is motivated by supersymmetric models that involve strong-production processes and cascade decays of new particles. The resulting final states contain multiple jets as well as missing transverse momentum from weakly interacting particles. The event yields, observed across several kinematic regions, are consistent with the expectations from standard model processes. Thus the results are interpreted in the context of simplified supersymmetric scenarios with pair production of gluinos, where each gluino decays to a top quark-antiquark pair and the lightest neutralino. For the case of decays via virtual top squarks, gluinos with a mass smaller than 1.26 TeV are excluded for low neutralino masses.
Book Synopsis A Search for Supersymmetry in Events with Jets and Missing Momentum Using Data Collected by the CMS Detector at 13 TeV by : Sam Daniel Mullin
Download or read book A Search for Supersymmetry in Events with Jets and Missing Momentum Using Data Collected by the CMS Detector at 13 TeV written by Sam Daniel Mullin and published by . This book was released on 2016 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: As successful as the Standard Model of particle physics has been it still has several major shortcomings which range from unanswered theoretical questions to a lack of any explanation for observed phenomena such as dark matter. One proposed theory for physics beyond the Standard Model which provides solutions for some of these issues is supersymmetry. This dissertation presents a search for supersymmetry using 2.3 fb -1 of proton-proton collision data. This data was collected at a center-of-mass energy of 13 TeV by the CMS detector at the LHC during 2015. This search focuses on top squark pair production where the produced stops both decay to an all hadronic final state. These decays are characterized by multiple jets and missing transverse momentum. A baseline search region is defined to be sensitive to signal processes which occur at rates many orders of magnitude lower than Standard Model processes. The sensitivity to various signal models is improved by dividing this baseline region into distinct categories. Events with an unreconstructed lepton from leptonic W boson decays constitute the primary background. There are also significant contributions from events where a Z boson decays invisibly to neutrinos especially in bins with higher missing transverse momentum. Events with multijet production where one jet has been severely mis-measured as well as those with a pair of top quarks and an invisibly decaying Z boson also have a small presence in the search region. The contributions from these processes to the search region is estimated using data control regions. No statistically significant deviations from the predicted background yields are observed. The results are interpreted in terms of exclusion limits using the Simplified Model Spectrum framework. Stop and neutralino masses are probed up to 780 GeV and 260 GeV respectively.
Book Synopsis Search for Supersymmetry in Final States with a Single Lepton, B-quark Jets, and Missing Transverse Energy at the CMS Experiment by : Niklas Pietsch
Download or read book Search for Supersymmetry in Final States with a Single Lepton, B-quark Jets, and Missing Transverse Energy at the CMS Experiment written by Niklas Pietsch and published by . This book was released on 2014 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Supersymmetry with a Photon, a Lepton, and Missing Transverse Momentum in Pp Collisions at $\sqrt{s}$ by :
Download or read book Search for Supersymmetry with a Photon, a Lepton, and Missing Transverse Momentum in Pp Collisions at $\sqrt{s}$ written by and published by . This book was released on 2015 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our search for supersymmetry involving events with at least one photon, one electron or muon, and large missing transverse momentum has been performed by the CMS experiment. The data sample corresponds to an integrated luminosity of 19.7 fb-1 of pp collisions at √ s = 8 TeV, produced at the CERN LHC. No excess of events is observed beyond expectations from standard model processes. The result of the search is interpreted in the context of a general model of gauge-mediated supersymmetry breaking, where the charged and neutral winos are the next-to-lightest supersymmetric particles. Within this model, winos with a mass up to 360 GeV are excluded at the 95% confidence level. Also, two simplified models inspired by gauge-mediated supersymmetry breaking are also examined, and used to derive upper limits on the production cross sections of specific supersymmetric processes.
Book Synopsis A Search for Supersymmetry and Universal Extra Dimensions in Final States with Three Leptons and Missing Transverse Momentum in 20.7 Inverse Femtobarns of 8 TeV Pp Collisions with the ATLAS Detector by : Samuel King
Download or read book A Search for Supersymmetry and Universal Extra Dimensions in Final States with Three Leptons and Missing Transverse Momentum in 20.7 Inverse Femtobarns of 8 TeV Pp Collisions with the ATLAS Detector written by Samuel King 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 Supersymmetry in Events with Soft Leptons, Low Jet Multiplicity, and Missing Transverse Energy in Proton{u2013}proton Collisions at $\sqrt{s}$ by :
Download or read book Search for Supersymmetry in Events with Soft Leptons, Low Jet Multiplicity, and Missing Transverse Energy in Proton{u2013}proton Collisions at $\sqrt{s}$ written by and published by . This book was released on 2016 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results are presented from a search for supersymmetric particles in scenarios with a compressed mass spectrum. The data sample corresponds to 19.7 inverse femtobarns of proton-proton collisions recorded by the CMS experiment at √s = 8 TeV. The search targets top squark ($ ilde{t}$ pair production in scenarios with mass differences ?m = m($ ilde{t}$ – m($ ilde{i}$10) below the W-boson mass and with top-squark decays in the four-body mode ($ ilde{t}$ → blv$ ilde{i}$10), where the ($ ilde{i}$10) is assumed to be the lightest supersymmetric particle (LSP). The signature includes a high transverse momentum (pT) jet associated with initial-state radiation, one or two low-pT leptons, and significant missing transverse energy. The event yields observed in data are consistent with the expected background contributions from standard model processes. Limits are set on the cross section for top squark pair production as a function of the $ ilde{t}$ and LSP masses. Assuming a 100% branching fraction for the four-body decay mode, top-squark masses below 316 GeV are excluded for ?m = 25 GeV at 95% CL. Furthermore, the dilepton data are also interpreted under the assumption of chargino-neutralino production, with subsequent decays to sleptons or sneutrinos. Assuming a difference between the common $ ilde{i}$1+/$ ilde{i}$2+ mass and the LSP mass of 20 GeV and a ?-enriched decay scenario, masses in the range m( $ ilde{i}$1+)
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