Search For Large Extra Dimensions In The Mono Photon Final State At S 1 2
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Search For Dark Matter With Atlas
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Author : Ruth Pöttgen
language : en
Publisher: Springer
Release Date : 2016-06-29
Search For Dark Matter With Atlas written by Ruth Pöttgen and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-06-29 with Science categories.
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.
Searching For Dark Matter With The Atlas Detector
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Author : Steven Schramm
language : en
Publisher: Springer
Release Date : 2016-11-23
Searching For Dark Matter With The Atlas Detector written by Steven Schramm and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-23 with Science categories.
This thesis describes the search for Dark Matter at the LHC in the mono-jet plus missing transverse momentum final state, using the full dataset recorded in 2012 by the ATLAS Experiment. It is the first time that the number of jets is not explicitly restricted to one or two, thus increasing the sensitivity to new signals. Instead, a balance between the most energetic jet and the missing transverse momentum is required, thus selecting mono-jet-like final states. Collider searches for Dark Matter have typically used signal models employing effective field theories (EFTs), even when comparing to results from direct and indirect detection experiments, where the difference in energy scale renders many such comparisons invalid. The thesis features the first robust and comprehensive treatment of the validity of EFTs in collider searches, and provides a means by which the different classifications of Dark Matter experiments can be compared on a sound and fair basis.
Search For Dark Matter With The Atlas Detector
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Author : Johanna Gramling
language : en
Publisher: Springer
Release Date : 2018-08-01
Search For Dark Matter With The Atlas Detector written by Johanna Gramling and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-01 with Science categories.
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.
Proceedings Of The Xxv Dae Brns High Energy Physics Hep Symposium 2022 12 16 December Mohali India
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Author : Satyajit Jena
language : en
Publisher: Springer Nature
Release Date : 2024-07-16
Proceedings Of The Xxv Dae Brns High Energy Physics Hep Symposium 2022 12 16 December Mohali India written by Satyajit Jena and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-07-16 with Science categories.
This book presents the proceedings of the XXV DAE-BRNS High Energy Physics (HEP) Symposium 2022, held at the Indian Institute of Science Education and Research Mohali, India. This proceeding marks the 25th edition. The latest results covering both the theoretical and the experimental aspects of the HEP research were presented under 10 broad topics ranging from Astroparticle and cosmology to Higgs and top quark physics, namely (1) article Astrophysics and Cosmology, (2) Beyond Standard Model Physics, (3) Formal Theory, (4) Detector Development Future Facilities and Experiments, (5) Relativistic Heavy-Ion Physics and QCD, (6) Higgs Physics, (7) Quark and Lepton Flavor Physics, (9) Societal Applications: Medical Physics, Imaging, and (10) Top Quark and EW Physics.
The Large Hadron Collider
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Author : Thomas Schörner-Sadenius
language : en
Publisher: Springer
Release Date : 2015-05-15
The Large Hadron Collider written by Thomas Schörner-Sadenius and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-05-15 with Science categories.
This comprehensive volume summarizes and structures the multitude of results obtained at the LHC in its first running period and draws the grand picture of today’s physics at a hadron collider. Topics covered are Standard Model measurements, Higgs and top-quark physics, flavour physics, heavy-ion physics, and searches for supersymmetry and other extensions of the Standard Model. Emphasis is placed on overview and presentation of the lessons learned. Chapters on detectors and the LHC machine and a thorough outlook into the future complement the book. The individual chapters are written by teams of expert authors working at the forefront of LHC research.
Search For Exotic Mono Jet Events
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Author : Valerio Rossetti
language : en
Publisher: Springer
Release Date : 2015-08-24
Search For Exotic Mono Jet Events written by Valerio Rossetti and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-08-24 with Science categories.
This thesis describes in detail the search for new phenomena in mono-jet final states with the ATLAS experiment at the LHC. The final state is considered the golden channel in the searches for large extra dimensions (LED) but also allows access to a very rich SUSY-related phenomenology pertaining to the production of weakly interacting massive particles (WIMPS), SUSY Dark Matter candidates, GMSB SUSY models with very light gravitino masses, as well as stop an sbottom pair production in compressed scenarios (with nearly degenerated squarks and the lightest neutralino), and also invisible Higgs searches, among others. Here, a number of these scenarios are explored. The measurements presented yield new powerful constraints on the existence of extra spatial dimensions, the pair production of WIMPs, and also provide the best limit to date on the gravitino mass.
Search For Dark Matter Produced In Association With A Higgs Boson Decaying To Two Bottom Quarks At Atlas
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Author : Yangyang Cheng
language : en
Publisher: Springer
Release Date : 2016-09-29
Search For Dark Matter Produced In Association With A Higgs Boson Decaying To Two Bottom Quarks At Atlas written by Yangyang Cheng and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-29 with Science categories.
This thesis reports on the search for dark matter in data taken with the ATLAS detector at CERN’s Large Hadron Collider (LHC). The identification of dark matter and the determination of its properties are among the highest priorities in elementary particle physics and cosmology. The most likely candidate, a weakly interacting massive particle, could be produced in the high energy proton-proton collisions at the LHC. The analysis presented here is unique in looking for dark matter produced together with a Higgs boson that decays into its dominant decay mode, a pair of b quarks. If dark matter were seen in this mode, we would learn directly about the production mechanism because of the presence of the Higgs boson. This thesis develops the search technique and presents the most stringent production limit to date.
Physics At The Terascale
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Author : Ian Brock
language : en
Publisher: John Wiley & Sons
Release Date : 2011-05-04
Physics At The Terascale written by Ian Brock and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-05-04 with Science categories.
Written by authors working at the forefront of research, this accessible treatment presents the current status of the field of collider-based particle physics at the highest energies available, as well as recent results and experimental techniques. It is clearly divided into three sections; The first covers the physics -- discussing the various aspects of the Standard Model as well as its extensions, explaining important experimental results and highlighting the expectations from the Large Hadron Collider (LHC). The second is dedicated to the involved technologies and detector concepts, and the third covers the important - but often neglected - topics of the organisation and financing of high-energy physics research. A useful resource for students and researchers from high-energy physics.
Search For Large Extra Dimensions In The Mono Photon Final State At S 1 2
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Author :
language : en
Publisher:
Release Date : 2008
Search For Large Extra Dimensions In The Mono Photon Final State 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 2008 with categories.
The authors report on a search for large extra dimensions in a data sample of approximately 1 fb−1 of p{bar p} collisions at √s = 1.96 TeV. They investigate Kaluza-Klein graviton production with a photon and missing transverse energy in the final state. At the 95% C.L. they set limits on the fundamental mass scale M{sub D} from 884 GeV to 778 GeV for 2 to 8 extra dimensions.
Supersymmetry And The Unification Of Fundamental Interactions
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Author : Deog Ki Hong
language : en
Publisher: American Institute of Physics
Release Date : 2008-12-11
Supersymmetry And The Unification Of Fundamental Interactions written by Deog Ki Hong and has been published by American Institute of Physics this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-12-11 with Science categories.
This annual SUSY conference has become the world's largest international meeting devolted to new ideas in high energy physics. The main subject of the conference is theoretical and phenomenological aspects of supersymmetric theories, and dark matter and dark energy, and other comological connections. New, interesting results from various experimental groups are increasingly presented at the conference as well. With roughly 200 plenary and parallel presentations, SUSY08 will likely deliver energy and enthusiasm of both theorists and experimentalists who are searching the frontier of high energy physics.