New Physics At The Lhc

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New Physics At The Large Hadron Collider Proceedings Of The Conference

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Author : Harald Fritzsch
language : en
Publisher: World Scientific
Release Date : 2016-10-27

New Physics At The Large Hadron Collider Proceedings Of The Conference written by Harald Fritzsch and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-10-27 with Science categories.

The Standard Theory of Particle Physics describes successfully the observed strong and electroweak interactions, but it is not a final theory of physics, since many aspects are not understood: (1) How can gravity be introduced in the Standard Theory? (2) How can we understand the observed masses of the leptons and quarks as well as the flavor mixing angles? (3) Why are the masses of the neutrinos much smaller than the masses of the charged leptons? (4) Is the new boson, discovered at CERN, the Higgs boson of the Standard Theory or an excited weak boson? (5) Are there new symmetries at very high energy, e.g. a broken supersymmetry? (6) Are the leptons and quarks point-like or composite particles? (7) Are the leptons and quarks at very small distances one-dimensional objects, e.g. superstrings? This proceedings volume comprises papers written by the invited speakers discussing the many important issues of the new physics to be discovered at the Large Hadron Collider.

Perspectives On Lhc Physics

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Author : G. L. Kane
language : en
Publisher: World Scientific
Release Date : 2008

Perspectives On Lhc Physics written by G. L. Kane and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Science categories.

The Large Hadron Collider (LHC), located at CERN, Geneva, Switzerland, is the world's largest and highest energy and highest intensity particle accelerator. Here is a timely book with several perspectives on the hoped-for discoveries from the LHC.This book provides an overview on the techniques that will be crucial for finding new physics at the LHC, as well as perspectives on the importance and implications of the discoveries. Among the accomplished contributors to this book are leaders and visionaries in the field of particle physics beyond the Standard Model, including two Nobel Laureates (Steven Weinberg and Frank Wilczek), and presumably some future Nobel Laureates, plus top younger theorists and experimenters. With its blend of popular and technical contents, the book will have wide appeal, not only to physical scientists but also to those in related fields.

New Physics At The Large Hadron Collider

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Author : Conference on New Physics at the Large Hadron Collider
language : en
Publisher:
Release Date : 2016

New Physics At The Large Hadron Collider written by Conference on New Physics at the Large Hadron Collider and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Nuclear physics categories.

"The Standard Theory of Particle Physics describes successfully the observed strong and electroweak interactions, but it is not a final theory of physics, since many aspects are not understood: (1) How can gravity be introduced in the Standard Theory? (2) How can we understand the observed masses of the leptons and quarks as well as the flavor mixing angles? (3) Why are the masses of the neutrinos much smaller than the masses of the charged leptons? (4) Is the new boson, discovered at CERN, the Higgs boson of the Standard Theory or an excited weak boson? (5) Are there new symmetries at very high energy, e.g. a broken supersymmetry? (6) Are the leptons and quarks point-like or composite particles? (7) Are the leptons and quarks at very small distances one-dimensional objects, e.g. superstrings? This proceedings volume comprises papers written by the invited speakers discussing the many important issues of the new physics to be discovered at the Large Hadron Collider."--Publisher's website

Strategies For Discovering New Physics At The Lhc

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Author : Eder Izaguirre
language : en
Publisher:
Release Date : 2012

Strategies For Discovering New Physics At The Lhc written by Eder Izaguirre and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.

The Large Hadron collider has recently discovered a particle that has properties similar to the Standard Model Higgs boson. The LHC experiments will continue to collect data to measure the properties of the Higgs-like boson more accurately to determine if it is the Standard Model Higgs. The Higgs-like particle that was observed also suggests that there are new colored states with masses that can be within reach of the Large Hadron Collider. In this thesis, I discuss the idea of simplified models, which seeks to better guide experimental searches for new states beyond the Standard Model, as well as new techniques to improve the sensitivity of current searches for colored particles. Finally, I discuss the implications of the Higgs on searches for new physics at the LHC and other experiments.

Search For New Physics In Mono Jet Final States In Pp Collisions

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Author : Giuliano Gustavino
language : en
Publisher: Springer
Release Date : 2017-06-19

Search For New Physics In Mono Jet Final States In Pp Collisions written by Giuliano Gustavino and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-06-19 with Science categories.

This thesis provides a detailed and comprehensive description of the search for New Physics at the Large Hadron Collider (LHC) in the mono-jet final state, using the first 3.2 fb-1 of data collected at the centre of mass energy of colliding protons of 13~TeV recorded in the ATLAS experiment at LHC. The results are interpreted as limits in different theoretical contexts such as compressed supersymmetric models, theories that foresee extra-spatial dimensions and in the dark matter scenario. In the latter the limits are then compared with those obtained by other ATLAS analyses and by experiments based on completely different experimental techniques, highlighting the role of the mono-jet results in the context of dark matter searches.Lastly, a set of possible analysis improvements are proposed to reduce the main uncertainties that affect the signal region and to increase the discovery potential by further exploiting the information on the final state.

Search Strategies For New Physics At The Lhc

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Author : Daniele Spier Moreira Alves
language : en
Publisher: Stanford University
Release Date : 2011

Search Strategies For New Physics At The Lhc written by Daniele Spier Moreira Alves and has been published by Stanford University this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.

The LHC is in the frontline of experimental searches for New Physics beyond the Standard Model of Particle Physics. Its power is accompanied by no smaller challenges in analyzing and interpreting its results. In this thesis I explore ways to parameterize new physics phenomena, design search strategies that are sensitive to them, and interpret experimental results in general new physics contexts. In particular, I discuss interpretations of the first ATLAS analysis for supersymmetry with 70/nb of integrated luminosity. I also carry a careful investigation of comprehensive search strategies for new physics with jets and missing energy signatures, and estimate the sensitivity bounds of the 7 TeV LHC to new colored particles decaying to jets and and a neutral particle that escapes detection. Finally, I discuss the implications of the recent LHC excesses hinting to a Higgs boson with mass in the range 142-147 GeV. If confirmed, this range for the Higgs mass will be an important evidence for Split Supersymmetry. I work out the phenomenological predictions of this scenario that will be tested in the very near future by a variety of experiments, including direct and indirect dark matter detection, EDM experiments searching for CP violation and the 7 TeV run of the LHC.

Newphysicsfrontiersinthelhc 2era The Proceedingsofthe54thcourseoftheinternationalschoolofsubnuclearphysics

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Author : Zichichi Antonino
language : en
Publisher: World Scientific
Release Date : 2019-06-24

Newphysicsfrontiersinthelhc 2era The Proceedingsofthe54thcourseoftheinternationalschoolofsubnuclearphysics written by Zichichi Antonino and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-06-24 with Science categories.

In June 2016, a group of 167 physicists from 31 countries have met in Erice to participate in the 54th Course of the International School of Subnuclear Physics. The main focus of this year's course has been the new frontiers of Physics in the LHC-2 Era and in all labs the world over, as well as the new frontiers in related fields.

Qcd Higher Order Effects And Search For New Physics

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Author : Jian Wang
language : en
Publisher: Springer
Release Date : 2015-10-28

Qcd Higher Order Effects And Search For New Physics written by Jian Wang and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-10-28 with Science categories.

This book mainly investigates the precision predictions on the signal of new physics at the Large Hadron Collider (LHC) in the perturbative Quantum Chromodynamics (QCD) scheme. The potential of the LHC to discover the signal of dark matter associated production with a photon is studied after including next-to-leading order QCD corrections. The factorization and resummation of t-channel top quark transverse momentum distribution in the standard model at both the Tevatron and the LHC with soft-collinear effective theory are presented. The potential of the early LHC to discover the signal of monotops is discussed. These examples illustrate the method of searching for new physics beyond what is known today with high precision.

Probing New Physics With Jets At The Large Hadron Collider Lhc

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Author :
language : en
Publisher:
Release Date : 2007

Probing New Physics With Jets At The Large Hadron Collider Lhc written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.

The Large Hadron Collider at CERN has the potential to make a major discovery as early as 2008 from simple measurements of events with two high energy jets. This talk will present the jet trigger and analysis plans of the CMS collaboration, which were produced at the LHC Physics Center at Fermilab. Plans to search the two jet channel for generic signals of new particles and forces will be discussed. I will present the anticipated sensitivity of the CMS experiment to a variety of models of new physics, including quark compositeness, technicolor, superstrings, extra dimensions and grand unification.

Towards Global Interpretation Of Lhc Data

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Author : Toni Mäkelä
language : en
Publisher: Springer Nature
Release Date : 2023-05-16

Towards Global Interpretation Of Lhc Data written by Toni Mäkelä and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-05-16 with Science categories.

This book presents the first global interpretation of measurements of jet and top quark production at the Large Hadron Collider, including a simultaneous extraction of the standard model parameters together with constraints on new physics, unbiased from the assumptions on the standard model parameters. As a long-standing problem, any hadron collider search for new physics depends on parton distribution functions, which cannot be predicted but are extracted experimentally. However, performing the extraction in the same kinematic region where physics beyond the standard model is expected to manifest causes the risk of absorbing the new physics effects into the parton distributions. In this book, the issue is addressed by extending the standard model by effective contributions from quark contact interactions describing new physics and extracting the parton distributions and standard model parameters simultaneously with setting limits on the contact interactions. In the process, the most precise single measurement of the strong coupling constant at the LHC is performed, to date. Furthermore, the book details the first investigation of the mass renormalization scale dependence of the top quark mass, highlighting the importance of a proper scale choice for obtaining robust predictions and improving the precision of experimental analyses. The initial chapters provide the reader with a succinct yet accessible introduction to the relevant theoretical and experimental topics. The presented investigations are at the edge of precision in the phenomenology of high-energy physics and serve to pave the road toward a global interpretation of LHC data.