A Measurement Of The Azimuthal Decorrelation In Di Jet Events In Proton Proton Collisions At The Center Of Mass Energy
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A Measurement Of The Azimuthal Decorrelation In Di Jet Events In Proton Proton Collisions At The Center Of Mass Energy
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Author : Gabriel Rosenbaum
language : en
Publisher:
Release Date : 2013
A Measurement Of The Azimuthal Decorrelation In Di Jet Events In Proton Proton Collisions At The Center Of Mass Energy written by Gabriel Rosenbaum and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
International Europhysics Conference On High Energy Physics
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Author : Daniel Lellouch
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
International Europhysics Conference On High Energy Physics written by Daniel Lellouch and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
The 1997 International Europhysics Conference on High Energy Physics was held at the campus of the Hebrew University of Jerusalem and at the Jerusalem Renaissance Hotel, from August 19th to August 25th, 1997. This was the first time that the European Physical Society had its High Energy Physics Conference outside the boundary of Europe. A total of 550 physicists participated in the conference with a total of 250 presentations in the parallel sessions and 26 presentations in the plenary sessions. The Board of the of the High Energy and Particle Physics division (HEPP) of the EPS acted as the Scientific Organizing Committee. The Board acknowl edges the help of the International Advisory Committee as well as that of the Local Organizing Committee. The conference was co-organized by the Hebrew University of Jerusalem and by the Weizmann Institute of Science, with important help by physi cists from the Israeli Institute of Technology (Technion) and the Tel Aviv University.
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.
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.
Government Reports Announcements Index
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Author :
language : en
Publisher:
Release Date : 1995-05
Government Reports Announcements Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-05 with Science categories.
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.
Measurement Of Dijet Cross Sections In Proton Proton Collisions At 7 Tev Center Of Mass Energy Using The Atlas Detector
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Author :
language : en
Publisher:
Release Date : 2013
Measurement Of Dijet Cross Sections In Proton Proton Collisions At 7 Tev Center Of Mass Energy Using The Atlas Detector written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
Dijet production is measured in proton--proton collisions with a center-of-mass energy of 7 TeV at the LHC. Double-differential dijet cross sections are presented as functions of the dijet mass and rapidity separation of the two highest-transverse-momentum jets in an event. The data sample collected in 2011 by the ATLAS detector is considered, corresponding to an integrated luminosity of 4.5 fb -1. Jets are defined using the anti-kt algorithm, with two choices of the jet radius parameter, R = 0.4 and R = 0.6. The results are compared with next-to-leading-order (NLO) perturbative calculations, as well as NLO Monte Carlo generator predictions. In both cases, electroweak effects are accounted for. A method for the quantitative comparison of theory predictions with data is presented, employing a frequentist technique. This allows for strong statements on which sets of parton distribution functions best describe the data. A theory of quark compositeness modeled by contact interactions is confronted by the unfolded data using the CLs technique, an example of the versatility of the measurement.
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 Hadronic Event Shapes And Jet Substructure In Proton Proton Collisions At 7 0 Tev Center Of Mass Energy With The Atlas Detector At The Large Hadron Collider
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Author : David Wilkins Miller
language : en
Publisher:
Release Date : 2011
Measurement Of Hadronic Event Shapes And Jet Substructure In Proton Proton Collisions At 7 0 Tev Center Of Mass Energy With The Atlas Detector At The Large Hadron Collider written by David Wilkins Miller 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.
This thesis presents the first measurement of 6 hadronic event shapes in proton-proton collisions at a center-of-mass energy of 7.0 TeV using the ATLAS detector at the Large Hadron Collider. Results are presented at the particle-level, permitting comparisons to multiple Monte Carlo event generator tools. Numerous tools and techniques that enable detailed analysis of the hadronic final state at high luminosity are described. The approaches presented utilize the dual strengths of the ATLAS calorimeter and tracking systems to provide high resolution and robust measurements of the hadronic jets that constitute both a background and a signal throughout ATLAS physics analyses. The study of the hadronic final state is then extended to jet substructure, where the energy flow and topology within individual jets is studied at the detector level and techniques for estimating systematic uncertainties for such measurements are commissioned in the first data. These first substructure measurements in ATLAS include the jet mass and sub-jet multiplicity as well as those concerned with multi-body hadronic decays and color flow within jets. Finally, the first boosted hadronic object observed at the LHC -- the decay of the top quark to a single jet -- is presented.
The Dijet Cross Section Measurement In Proton Proton Collisions At A Center Of Mass Energy Of 500 Gev At Star
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Author : Grant D. Webb
language : en
Publisher:
Release Date : 2014
The Dijet Cross Section Measurement In Proton Proton Collisions At A Center Of Mass Energy Of 500 Gev At Star written by Grant D. Webb and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.