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Search For Dijet Resonances In Proton Proton Collisions Ats
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Book Synopsis Searches for Dijet Resonances by : Lydia Audrey Beresford
Download or read book Searches for Dijet Resonances written by Lydia Audrey Beresford and published by Springer. This book was released on 2018-09-04 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses one of the most intriguing mysteries of our universe: the nature of dark matter. The results presented here mark a significant and substantial contribution to the search for new physics, in particular for new particles that couple to dark matter. The first analysis presented is a search for heavy new particles that decay into pairs of hadronic jets (dijets). This pioneering analysis explores unprecedented dijet invariant masses, reaching nearly 7 TeV, and sets constraints on several important new physics models. The two subsequent analyses focus on the difficult low dijet mass region, down to 200 GeV, and employ a novel technique to efficiently gather low-mass dijet events. The results of these analyses transcend the long-standing constraints on dark matter mediator particles set by several existing experiments.
Book Synopsis Measurement of Higgs Boson Production Cross Sections in the Diphoton Channel by : Ahmed Tarek Abouelfadl Mohamed
Download or read book Measurement of Higgs Boson Production Cross Sections in the Diphoton Channel written by Ahmed Tarek Abouelfadl Mohamed and published by Springer. This book was released on 2021-01-06 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents the measurement of the Higgs boson cross section in the diphoton decay channel. The measurement relies on proton-proton collision data at a center-of-mass energy √s = 13 TeV recorded by the ATLAS experiment at the Large Hadron Collider (LHC). The collected data correspond to the full Run-2 dataset with an integrated luminosity of 139 fb-1. The measured cross sections are used to constrain anomalous Higgs boson interactions in the Effective Field Theory (EFT) framework. The results presented in this thesis represent a reduction by a factor 2 of the different photon and jet energy scale and resolution systematic uncertainties with respect to the previous ATLAS publication. The thesis details the calibration of electron and photon energies in ATLAS, in particular the measurement of the presampler energy scale and the estimation of its systematic uncertainty. This calibration was used to perform a measurement of the Higgs boson mass in the H → γγ and H → 4l channels using the 36 fb−1 dataset.
Book Synopsis Multiple Parton Interactions At The Lhc by : Paolo Bartalini
Download or read book Multiple Parton Interactions At The Lhc written by Paolo Bartalini and published by World Scientific Publishing. This book was released on 2018-11-02 with total page 471 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many high-energy collider experiments (including the current Large Hadron Collider at CERN) involve the collision of hadrons. Hadrons are composite particles consisting of partons (quarks and gluons), and this means that in any hadron-hadron collision there will typically be multiple collisions of the constituents — i.e. multiple parton interactions (MPI). Understanding the nature of the MPI is important in terms of searching for new physics in the products of the scatters, and also in its own right to gain a greater understanding of hadron structure. This book aims at providing a pedagogical introduction and a comprehensive review of different research lines linked by an involvement of MPI phenomena. It is written by pioneers as well as young leading scientists, and reviews both experimental findings and theoretical developments, discussing also the remaining open issues.
Book Synopsis Experimental Particle Physics by : Deepak Kar
Download or read book Experimental Particle Physics written by Deepak Kar and published by Programme: Iop Expanding Physi. This book was released on 2019-08-29 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experimental Particle Physics is written for advanced undergraduate or beginning postgraduate students starting data analysis in experimental particle physics at the Large Hadron Collider (LHC) at CERN. Assuming only a basic knowledge of quantum mechanics and special relativity, the text reviews the current state of affairs in particle physics, before comprehensively introducing all the ingredients that go into an analysis.
Book Synopsis Cosmoparticle Physics by : Maxim Yu Khlopov
Download or read book Cosmoparticle Physics written by Maxim Yu Khlopov and published by World Scientific. This book was released on 1999 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the 1980s the cross-disciplinary, multidimensional field of links between cosmology and particle physics has been widely recognised by theorists, studying cosmology, particle and nuclear physics, gravity, as well as by astrophysicists, astronomers, space physicists, experimental particle and nuclear physicists, mathematicians and engineers.The relationship between cosmology and particle physics is now one of the important topics of discussion at any scientific meeting both on astrophysics and high energy physics.Cosmoparticle physics is the result of the mutual relationship between cosmology and particle physics in their search for physical mechanisms of inflation, baryosynthesis, nonbaryonic dark matter, and for fundamental unity of the natural forces underlying them. The set of nontrivial links between cosmological consequences of particle models and the astrophysical data on matter and radiation in the modern universe maintains cosmoarcheology, testing self-consistently particular predictions of particle models on the base of cosmological scenarios, following from them. Complex analysis of all the indirect cosmological, astrophysical and microphysical phenomena makes cosmoparticle physics the science of the world and renders quantitatively definite the correspondence between its micro- and macroscopic structure.This book outlines the principal ideas of the modern particle theory and cosmology, their mutual relationship and the nontrivial correspondence of their physical and astrophysical effects.
Book Synopsis Statistics for Nuclear and Particle Physicists by : Louis Lyons
Download or read book Statistics for Nuclear and Particle Physicists written by Louis Lyons and published by Cambridge University Press. This book was released on 1989-04-06 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book, written by a non-statistician for non-statisticians, emphasises the practical approach to those problems in statistics which arise regularly in data analysis situations in nuclear and high-energy physics experiments. Rather than concentrating on formal proofs of theorems, an abundant use of simple examples illustrates the general ideas which are presented, showing the reader how to obtain the maximum information from the data in the simplest manner. Possible difficulties with the various techniques, and pitfalls to be avoided, are also discussed. Based on a series of lectures given by the author to both students and staff at Oxford, this common-sense approach to statistics will enable nuclear physicists to understand better how to do justice to their data in both analysis and interpretation.
Book Synopsis Looking Inside Jets by : Simone Marzani
Download or read book Looking Inside Jets written by Simone Marzani and published by Springer. This book was released on 2019-05-11 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: This concise primer reviews the latest developments in the field of jets. Jets are collinear sprays of hadrons produced in very high-energy collisions, e.g. at the LHC or at a future hadron collider. They are essential to and ubiquitous in experimental analyses, making their study crucial. At present LHC energies and beyond, massive particles around the electroweak scale are frequently produced with transverse momenta that are much larger than their mass, i.e., boosted. The decay products of such boosted massive objects tend to occupy only a relatively small and confined area of the detector and are observed as a single jet. Jets hence arise from many different sources and it is important to be able to distinguish the rare events with boosted resonances from the large backgrounds originating from Quantum Chromodynamics (QCD). This requires familiarity with the internal properties of jets, such as their different radiation patterns, a field broadly known as jet substructure. This set of notes begins by providing a phenomenological motivation, explaining why the study of jets and their substructure is of particular importance for the current and future program of the LHC, followed by a brief but insightful introduction to QCD and to hadron-collider phenomenology. The next section introduces jets as complex objects constructed from a sequential recombination algorithm. In this context some experimental aspects are also reviewed. Since jet substructure calculations are multi-scale problems that call for all-order treatments (resummations), the bases of such calculations are discussed for simple jet quantities. With these QCD and jet physics ingredients in hand, readers can then dig into jet substructure itself. Accordingly, these notes first highlight the main concepts behind substructure techniques and introduce a list of the main jet substructure tools that have been used over the past decade. Analytic calculations are then provided for several families of tools, the goal being to identify their key characteristics. In closing, the book provides an overview of LHC searches and measurements where jet substructure techniques are used, reviews the main take-home messages, and outlines future perspectives.
Book Synopsis Words to Rhyme with by : Willard R. Espy
Download or read book Words to Rhyme with written by Willard R. Espy and published by Checkmark Books. This book was released on 2001 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: An easy-to-use dictionary of over 80,000 rhyming words.
Book Synopsis Electroweak Interactions and Unified Theories by : J. Thanh Van Tran
Download or read book Electroweak Interactions and Unified Theories written by J. Thanh Van Tran and published by Atlantica Séguier Frontières. This book was released on 1988 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis State of the World 2010 by : Worldwatch Institute
Download or read book State of the World 2010 written by Worldwatch Institute and published by Routledge. This book was released on 2013-07-04 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many of the environmental and social problems we face today are symptoms of a deeper systemic failing: a dominant cultural paradigm that encourages living in ways that are often directly counter to the realities of a finite planet. This paradigm, typically referred to as 'consumerism,' has already spread to cultures around the world and has led to consumption levels that are vastly unsustainable. If this pattern spreads further there will be little possibility of solving climate change or other environmental problems that are poised to dramatically disrupt human civilization. It will take a sustained, long-term effort to redirect the traditions, social movements and institutions that shape consumer cultures towards becoming cultures of sustainability. These institutions include schools, the media, businesses and governments. Bringing about a cultural shift that makes living sustainably as 'natural' as a consumer lifestyle is today will not only address urgent crises like climate change, it could also tackle other symptoms like extreme income inequity, obesity and social isolation that are not typically seen as environmental problems. State of the World 2010 paints a picture of what this sustainability culture could look like, and how we can - and already are - making the shift.
Author :H.V. Klapdor-Kleingrothaus Publisher :Springer Science & Business Media ISBN 13 :364256643X Total Pages :747 pages Book Rating :4.6/5 (425 download)
Book Synopsis Dark Matter in Astro- and Particle Physics by : H.V. Klapdor-Kleingrothaus
Download or read book Dark Matter in Astro- and Particle Physics written by H.V. Klapdor-Kleingrothaus and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 747 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dark matter in the Universe has become one of the most exciting and central fields of astrophysics, particle physics and cosmology. The lectures and talks in this book emphasize the experimental and theoretical status and perspectives of the ongoing search for dark matter, and the future potential of the field into the next millennium, stressing in particular the interplay between astro- and particle physics.
Book Synopsis Flora of North America North of Mexico by :
Download or read book Flora of North America North of Mexico written by and published by . This book was released on 2014 with total page 729 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The CERN Larg Hardron Collider by : Amos Breskin
Download or read book The CERN Larg Hardron Collider written by Amos Breskin and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Particle Detection with Drift Chambers by : Walter Blum
Download or read book Particle Detection with Drift Chambers written by Walter Blum and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study edition of Blum and Rolandi's successful book addresses those students who want to begin to understand particle detection and drift chambers, by providing a solid foundation for judging the achievable accuracy for coordinate and ionization measurements. It covers topics such as gas ionization by particles and by laser rays; the drift of electrons and ions in gases; electrostatics of wire grids and field cages; amplification of ionization; creation of the signal track parameters and their errors; ion gates; particle identification by measurement of ionization; existing chambers; drift chamber gas. The topics are treated in a text-book style with many figures, together with explicitly performed calculations.
Book Synopsis Proceedings of PHYSTAT 2011 Workshop on Statistical Issues Related to Discovery Claims in Search Experiments and Unfolding by : Harrison B. Prosper
Download or read book Proceedings of PHYSTAT 2011 Workshop on Statistical Issues Related to Discovery Claims in Search Experiments and Unfolding written by Harrison B. Prosper and published by . This book was released on 2011 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ITEP Lectures on Particle Physics and Field Theory by : Mikhail A. Shifman
Download or read book ITEP Lectures on Particle Physics and Field Theory written by Mikhail A. Shifman and published by World Scientific. This book was released on 1999 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Spaceborne Radar Observations written by and published by . This book was released on 1989 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
