Measurement Of Dijet Azimuthal Decorrelation In Pp Collisions At S
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Measurement Of Dijet Azimuthal Decorrelation In Pp Collisions At S
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Author : CMS Collaboration
language : en
Publisher:
Release Date : 2016
Measurement Of Dijet Azimuthal Decorrelation In Pp Collisions At S written by CMS Collaboration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
Measurement Of Dijet Azimuthal Decorrelation In Pp Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2016
Measurement Of Dijet Azimuthal Decorrelation In Pp Collisions At Sqrt S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
A measurement of the decorrelation of azimuthal angles between the two jets with the largest transverse momenta is presented for seven regions of leading jet transverse momentum up to 2.2 TeV. The analysis is based on the proton-proton collision data collected with the CMS experiment at a centre-of-mass energy of 8 TeV corresponding to an integrated luminosity of 19.7 fb$^{-1}$. The dijet azimuthal decorrelation is caused by the radiation of additional jets and probes the dynamics of multijet production. The results are compared to fixed-order predictions of perturbative quantum chromodynamics (QCD), and to simulations using Monte Carlo event generators that include parton showers, hadronization, and multiparton interactions. Event generators with only two outgoing high transverse momentum partons fail to describe the measurement, even when supplemented with next-to-leading-order QCD corrections and parton showers. Much better agreement is achieved when at least three outgoing partons are complemented through either next-to-leading-order predictions or parton showers. This observation emphasizes the need to improve predictions for multijet production.
Dijet Azimuthal Decorrelations In Pp Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2011
Dijet Azimuthal Decorrelations In Pp Collisions At Sqrt S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
Measurements of dijet azimuthal decorrelations in pp collisions at sqrt(s) = 7 TeV using the CMS detector at the CERN LHC are presented. The analysis is based on an inclusive dijet event sample corresponding to an integrated luminosity of 2.9 inverse picobarns. The results are compared to predictions from perturbative QCD calculations and various Monte Carlo event generators. The dijet azimuthal distributions are found to be sensitive to initial-state gluon radiation.
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.
From The Past To The Future The Legacy Of Lev Lipatov
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Author : Joachim Bartels
language : en
Publisher: World Scientific
Release Date : 2021-11-10
From The Past To The Future The Legacy Of Lev Lipatov written by Joachim Bartels and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-11-10 with Science categories.
This book has been designed to honor Lev Nikolaevich Lipatov, as a person and as one of the leading scientists in theoretical high energy physics.The book begins with three articles on Lev as a person, written endearingly by family members, a very close friend and Physics professor, Eugene Levin, and another outstanding scientist, Alfred Mueller. The book further collects 18 articles by several scientists who closely knew and/or collaborated with Lev.With an overarching range over various subfields, the book summarizes parts of Lev's achievements, presents new results which are based upon Lev's work, and paints an outlook on possible future developments. Lev's theoretical work has had an influential impact on phenomenology and experimental high energy physics; befittingly, this collection also includes several articles on these experimental aspects.
Multiple Parton Interactions At The Lhc
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Author : Paolo Bartalini
language : en
Publisher: World Scientific Publishing
Release Date : 2018-11-02
Multiple Parton Interactions At The Lhc written by Paolo Bartalini and has been published by World Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-02 with Science categories.
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.
Jet Physics At The Lhc
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Author : Klaus Rabbertz
language : en
Publisher: Springer
Release Date : 2016-10-11
Jet Physics At The Lhc written by Klaus Rabbertz and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-10-11 with Science categories.
This book reviews the latest experimental results on jet physics from proton-proton collisons at the LHC. Jets allow to determine the strong coupling constant over a wide range of energies up the highest ones possible so far, and to constrain the gluon parton distribution of the proton, both of which are important uncertainties on theory predictions in general and for the Higgs boson in particular.A novel approach in this book is to categorize the examined quantities according to the types of absolute, ratio, or shape measurements and to explain in detail the advantages and differences. Including numerous illustrations and tables the physics message and impact of each observable is clearly elaborated.
Physics In Collision Proceedings Of The 15th International Conference
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Author : Krzysztof Rybicki
language : en
Publisher: World Scientific
Release Date : 1996-01-23
Physics In Collision Proceedings Of The 15th International Conference written by Krzysztof Rybicki and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-01-23 with categories.
This book presents a comprehensive overview of high energy physics. It covers the whole range of results from the colliders and fixed-target experiments as well as the astrophysics topics related to particle physics. Also discussed are the problems of proton structure, electroweak physics, non-perturbative QCD and heavy quarks.
Chemical Abstracts
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Author :
language : en
Publisher:
Release Date : 2002
Chemical Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Chemistry categories.
Acta Physica Polonica
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Author :
language : en
Publisher:
Release Date : 2002
Acta Physica Polonica written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Nuclear physics categories.