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Search For Diphoton Events With Missing Transverse Energy With The Atlas Detector At The Lhc
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Book Synopsis Search for Diphoton Events with Missing Transverse Energy with the ATLAS Detector at the LHC by : Andrea Michelle Bangert
Download or read book Search for Diphoton Events with Missing Transverse Energy with the ATLAS Detector at the LHC written by Andrea Michelle Bangert and published by . This book was released on 2011 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Diphoton Events with Large Missing Transverse Energy in 7 TeV Proton-Proton Collisions with the ATLAS Detector by :
Download or read book Search for Diphoton Events with Large Missing Transverse Energy in 7 TeV Proton-Proton Collisions with the ATLAS Detector written by and published by . This book was released on 2013 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for new physics in diphoton and missing transverse energy final states using the ATLAS detector at the LHC by : Martin Wildt
Download or read book Search for new physics in diphoton and missing transverse energy final states using the ATLAS detector at the LHC written by Martin Wildt 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 Diphoton Events with Missing Transverse Energy with the ATLAS Detector at the LHC by : Andrea Michelle Bangert
Download or read book Search for Diphoton Events with Missing Transverse Energy with the ATLAS Detector at the LHC written by Andrea Michelle Bangert and published by . This book was released on 2011 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Dark Matter with ATLAS by : Ruth Pöttgen
Download or read book Search for Dark Matter with ATLAS written by Ruth Pöttgen and published by Springer. This book was released on 2016-06-29 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis describes in detail a search for weakly interacting massive particles as possible dark matter candidates, making use of so-called mono-jet events. It includes a detailed description of the run-1 system, important operational challenges, and the upgrade for run-2. The nature of dark matter, which accounts for roughly 25% of the energy-matter content of the universe, is one of the biggest open questions in fundamental science. The analysis is based on the full set of proton-proton collisions collected by the ATLAS experiment at the Large Hadron Collider at √s = 8 TeV. Special attention is given to the experimental challenges and analysis techniques, as well as the overall scientific context beyond particle physics. The results complement those of non-collider experiments and yield some of the strongest exclusion bounds on parameters of dark matter models by the end of the Large Hadron Collider run-1. Details of the upgrade of the ATLAS Central Trigger for run-2 are also included.
Book Synopsis Leaving No Matter Unturned by : Martin Habedank
Download or read book Leaving No Matter Unturned written by Martin Habedank and published by . This book was released on 2023* with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Englische Version: Various astrophysical observations point towards an as-of-yet unexplained, mainly gravitationally interacting type of matter. If this matter, called Dark Matter, is an elementary particle, it could be produced in particle collisions at the Large Hadron Collider. Given its weak interaction with ordinary matter, however, it would not be directly observable with the general-purpose detectors at the Large Hadron Collider. Its production would therefore manifest as events in which detector-visible objects recoil against the detector-invisible Dark Matter, giving rise to missing transverse energy. This thesis focuses on final states in which these visible objects are jets. A measurement of the final state of large missing transverse energy and at least one jet in 139/fb of proton-proton collisions at 13 TeV recorded with the ATLAS detector at the Large Hadron Collider is performed in this thesis. Good agreement between measured data and Standard-Model prediction is found in a statistical fit. The measurement is corrected for detector effects to facilitate later reinterpretation. Measurements prepared in such a way can, for example, be exploited by the Contur toolkit to set constraints on new theories. Both, the results of the measurement and the Contur toolkit making use of existing measurements at the Large Hadron Collider, are employed to set exclusion limits on a model able to explain Dark Matter, the two-Higgs-doublet model with a pseudoscalar mediator to Dark Matter.
Book Synopsis Search for Diphoton Events with Large Missing Transverse Energy in 6.3 Fb-1 of Pp Collisions Using the D0 Detector at the Fermilab Tevatron Collider by : Mark Stephen Cooke
Download or read book Search for Diphoton Events with Large Missing Transverse Energy in 6.3 Fb-1 of Pp Collisions Using the D0 Detector at the Fermilab Tevatron Collider written by Mark Stephen Cooke and published by . This book was released on 2010 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Searching for Dark Matter with the ATLAS Detector in Events with an Energetic Jet and Large Missing Transverse Momentum by : Steven Schramm
Download or read book Searching for Dark Matter with the ATLAS Detector in Events with an Energetic Jet and Large Missing Transverse Momentum written by Steven Schramm and published by . This book was released on 2015 with total page 674 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physics with Photons Using the ATLAS Run 2 Data by : Stefano Manzoni
Download or read book Physics with Photons Using the ATLAS Run 2 Data written by Stefano Manzoni and published by Springer. This book was released on 2019-08-02 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: The work presented in this book is based on the proton-proton collision data from the Large Hadron Collider at a centre-of-mass energy of 13 TeV recorded by the ATLAS detector in 2015 and 2016. The research program of the ATLAS experiment includes the precise measurement of the parameters of the Standard Model, and the search for signals of physics beyond the SM. Both these approaches are pursued in this thesis, which presents two different analyses: the measurement of the Higgs boson mass in the di-photon decay channel, and the search for production of supersymmetric particles (gluinos, squarks or winos) in a final state containing two photons and missing transverse momentum. Finally, ATLAS detector performance studies, which are key ingredients for the two analyses outlined before, are also carried out and described.
Book Synopsis Search for Supersymmetry in Events with Leptons (e, Μ, Τ), Jets and Missing Transverse Energy with the ATLAS Detector at the LHC. by : Anthony Rose
Download or read book Search for Supersymmetry in Events with Leptons (e, Μ, Τ), Jets and Missing Transverse Energy with the ATLAS Detector at the LHC. written by Anthony Rose and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for New Phenomena in Events with Jets and Missing Transverse Momentum at the High-energy LHC RunII with the ATLAS Detector by : Andrea Rodríguez Pérez
Download or read book Search for New Phenomena in Events with Jets and Missing Transverse Momentum at the High-energy LHC RunII with the ATLAS Detector written by Andrea Rodríguez Pérez and published by . This book was released on 2018 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Diphoton Events with Large Missing Transverse Energy in 6.3 Fb-1 of P$\bar{p}$ Collisions Using the D0 Detector at the Fermilab Tevatron Collider by :
Download or read book Search for Diphoton Events with Large Missing Transverse Energy in 6.3 Fb-1 of P$\bar{p}$ Collisions Using the D0 Detector at the Fermilab Tevatron Collider written by and published by . This book was released on 2010 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt: A search for diphoton events with large missing transverse energy produced in p$ar{p}$ collisions at √s = 1.96 TeV is presented. The data were collected with the D0 detector at the Fermilab Tevatron Collider between 2002 and 2010, and correspond to 6.3 fb-1 of integrated luminosity. The observed missing transverse energy distribution is well described by the Standard Model prediction, and 95% C.L. limits are derived on two realizations of theories beyond the Standard Model. In a gauge mediated supersymmetry breaking scenario, the breaking scale ? is excluded for ? 124 TeV. In a universal extra dimension model including gravitational decays, the compactification radius Rsubc/sub is excluded for Rsubc/subsup-1
Book Synopsis A Study of Missing Transverse Energy in Minimum Bias Events with In-time Pile-up at The Large Hadron Collider Using The ATLAS Detector and Center of Mass Energy by : Kuhan Wang
Download or read book A Study of Missing Transverse Energy in Minimum Bias Events with In-time Pile-up at The Large Hadron Collider Using The ATLAS Detector and Center of Mass Energy written by Kuhan Wang 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 Diphoton Events with Large Missing Transverse Energy in 6.3 Fb$^{-1}$ of $\mathbf{p\bar{p}}$ Collisions at $\mathbf{\sqrt{s} by :
Download or read book Search for Diphoton Events with Large Missing Transverse Energy in 6.3 Fb$^{-1}$ of $\mathbf{p\bar{p}}$ Collisions at $\mathbf{\sqrt{s} written by and published by . This book was released on 2010 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: We report a search for diphoton events with large missing transverse energy produced in p{bar p} collisions at √s = 1.96 TeV. The data were collected with the D0 detector at the Fermilab Tevatron Collider, and correspond to 6.3 fb−1 of integrated luminosity. The observed missing transverse energy distribution is well described by the standard model prediction, and 95% C.L. limits are derived on two realizations of theories beyond the standard model. In a gauge mediated supersymmetry breaking scenario, the breaking scale [Lambda] is excluded for [Lambda]
Book Synopsis Search for Dark Matter with the ATLAS Detector by : Johanna Gramling
Download or read book Search for Dark Matter with the ATLAS Detector written by Johanna Gramling and published by Springer. This book was released on 2018-08-01 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses searches for Dark Matter at the CERN’s LHC, the world’s most powerful accelerator. It introduces the relevant theoretical framework and includes an in-depth discussion of the Effective Field Theory approach to Dark Matter production and its validity, as well as an overview of the formalism of Simplified Dark Matter models. Despite overwhelming astrophysical evidence for Dark Matter and numerous experimental efforts to detect it, the nature of Dark Matter still remains a mystery and has become one of the hottest research topics in fundamental physics. Two searches for Dark Matter are presented, performed on data collected with the ATLAS experiment. They analyze missing-energy final states with a jet or with top quarks. The analyses are explained in detail, and the outcomes and their interpretations are discussed, also in view of the precedent analysis of theoretical approaches. Given its depth of coverage, the book represents an excellent reference guide for all physicists interested in understanding the theoretical and experimental considerations relevant to Dark Matter searches at the LHC.
Book Synopsis Search for New Physics in Events with Same Sign Leptons and Missing Energy with ATLAS at LHC by : Otilia-Anamaria Ducu
Download or read book Search for New Physics in Events with Same Sign Leptons and Missing Energy with ATLAS at LHC written by Otilia-Anamaria Ducu and published by . This book was released on 2015 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: For the presented studies only the data recorded with the ATLAS detector is analyzed. The theoretical framework, the LHC collider and the ATLAS experiment are given in the first part of this thesis.At hadron colliders, the lepton identification and reconstruction are crucial for precise SM cross sections and coupling measurements or for new physics searches. Therefore, the second part of my thesis is dedicated to performance studies : in-situ measurements of electron identification and reconstruction efficiencies. The search for new physics is presented in the third part of the thesis. For these studies the channel with two same~- sign leptons and missing transverse energy is considered. The results are obtained with $L$~=~20 fb$^{-1}$ of data recorded at $sqrt s$ = 8 TeV and with the very first data at $sqrt s$ = 13 TeV. At the end of Run-1 no significant excess in data over the Standard Model prediction is observed and stringent limits on the supersymmetric particle masses are set. With the two same - sign leptons and jets final state it is also possible to measure directly the top quark Yukawa coupling using the ttbar + $H$ channel. This coupling is the largest in the Standard Model and it connects two of the heaviest particles predicted by the Standard Model, the top quark and the Higgs boson. In the fourth part of this thesis, a complete optimization is performed to reach the highest sensitivity for this signal in the two same~- sign leptons channel at $sqrt s$ = 13 TeV with 100 fb$^{-1}$ of data, corresponding to the end of Run-2.
Book Synopsis Search for Non-Pointing Photons in the Diphoton and Missing Transverse Energy Final State in 7 TeV Pp Collisions Using the ATLAS Detector by : Nikiforos Nikiforou
Download or read book Search for Non-Pointing Photons in the Diphoton and Missing Transverse Energy Final State in 7 TeV Pp Collisions Using the ATLAS Detector written by Nikiforos Nikiforou and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The gravitinos escape the detector, giving rise to missing energy, while the photons can appear not to originate from the primary vertex of the event, and are measured with a delay with respect to the collision time. No excess was observed above the background expected from Standard Model processes. The results were used to set exclusion limits at 95% CL in the two-dimensional parameter space defined by the supersymmetry breaking scale and the lifetime of the lightest neutralino.
