Search For New Phenomena In Dijet Angular Distributions Measured With The Atlas Detector In Proton Proton Collisions At Sqrt S

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Search For New Phenomena In Dijet Angular Distributions Measured With The Atlas Detector In Proton Proton Collisions At Sqrt S

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Author : Thorsten Dietzsch
language : en
Publisher:
Release Date : 2013

Search For New Phenomena In Dijet Angular Distributions Measured With The Atlas Detector In Proton Proton Collisions At Sqrt S written by Thorsten Dietzsch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Jets categories.

Strong Coupling Gauge Theories In The Lhc Perspective Scgt 12 Proceedings Of The Kmi Gcoe Workshop

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Author : Yasumichi Aoki
language : en
Publisher: World Scientific
Release Date : 2014-01-13

Strong Coupling Gauge Theories In The Lhc Perspective Scgt 12 Proceedings Of The Kmi Gcoe Workshop written by Yasumichi Aoki and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-13 with Science categories.

This volume contains contributions which are largely focused on strong coupling gauge theories and the search of theories beyond the standard model, as well as new aspects in hot and dense QCD — particularly in view of the LHC experiments and the lattice studies of conformal fixed point.It contains, among others, many of the latest and important reports on walking technicolor and related subjects in the general context of conformality, discussions of phenomenological implications with the LHC, as well as the theoretical ones through lattice studies. Nonperturbative studies like lattice simulations and stringy/holographic approaches are extensively elaborated in close relation to phenomenological studies. Also, heavy ion experiments at LHC are discussed in such nonperturbative approaches.

Search For New Phenomena In Dijet Angular Distributions Measured With The Atlas Detector In Proton Proton Collisions At S 327 7 Tev

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Author : Thorsten A. Dietzsch
language : en
Publisher:
Release Date : 2013

Search For New Phenomena In Dijet Angular Distributions Measured With The Atlas Detector In Proton Proton Collisions At S 327 7 Tev written by Thorsten A. Dietzsch 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.

Search For New Phenomena In Dijet Angular Distributions Measured With The Atlas Detector In Proton Proton Collisons At S

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Author :
language : en
Publisher:
Release Date : 2013

Search For New Phenomena In Dijet Angular Distributions Measured With The Atlas Detector In Proton Proton Collisons At 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 2013 with categories.

Search For New Phenomena In Dijet Mass And Angular Distributions From Pp Collisions At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2016

Search For New Phenomena In Dijet Mass And Angular Distributions From 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.

This Letter describes a model-agnostic search for pairs of jets (dijets) produced by resonant and non-resonant phenomena beyond the Standard Model in 3.6 fb-1 of proton–proton collisions with a centre-of-mass energy of √s = 13 TeV recorded by the ATLAS detector at the Large Hadron Collider. The distribution of the invariant mass of the two leading jets is examined for local excesses above a data-derived estimate of the smoothly falling prediction of the Standard Model. The data are also compared to a Monte Carlo simulation of Standard Model angular distributions derived from the rapidity of the two jets. No evidence of anomalous phenomena is observed in the data, which are used to exclude, at 95% CL, quantum black holes with threshold masses below 8.3 TeV, 8.1 TeV, or 5.1 TeV5.1 TeV in three different benchmark scenarios; resonance masses below 5.2 TeV for excited quarks, 2.6 TeV in a W' model, a range of masses starting from mZ' = 1.5 TeV and couplings from gq = 0.2 in a Z' model; and contact interactions with a compositeness scale below 12.0 TeV and 17.5 TeV respectively for destructive and constructive interference between the new interaction and QCD processes. These results significantly extend the ATLAS limits obtained from 8 TeV data. As a result, gaussian-shaped contributions to the mass distribution are also excluded if the effective cross-section exceeds values ranging from approximately 50–300 fb for masses below 2 TeV to 2–20 fb for masses above 4 TeV.

Search For New Phenomena In Dijet Angular Distributions In Proton Proton Collisions At U221a S

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Author :
language : en
Publisher:
Release Date : 2015

Search For New Phenomena In Dijet Angular Distributions In Proton Proton Collisions At U221a 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 2015 with categories.

A search for new phenomena in LHC proton-proton collisions at a center-of-mass energy of √s=8 TeV was performed with the ATLAS detector using an integrated luminosity of 17.3 fb-1. The angular distributions are studied in events with at least two jets; the highest dijet mass observed is 5.5 TeV. All angular distributions are consistent with the predictions of the standard model. In a benchmark model of quark contact interactions, a compositeness scale below 8.1 TeV in a destructive interference scenario and 12.0 TeV in a constructive interference scenario is excluded at 95% C.L.; median expected limits are 8.9 TeV for the destructive interference scenario and 14.1 TeV for the constructive interference scenario.

Search For New Phenomena In Dijet Angular Distributions In Proton Proton Collisions At S

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Author :
language : en
Publisher:
Release Date : 2015

Search For New Phenomena In Dijet Angular Distributions In Proton Proton Collisions At 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 2015 with categories.

In this study, a search for new phenomena in LHC proton-proton collisions at a center-of-mass energy of √s=8 TeV was performed with the ATLAS detector using an integrated luminosity of 17.3 fb-1. The angular distributions are studied in events with at least two jets; the highest dijet mass observed is 5.5 TeV. All angular distributions are consistent with the predictions of the standard model. In a benchmark model of quark contact interactions, a compositeness scale below 8.1 TeV in a destructive interference scenario and 12.0 TeV in a constructive interference scenario is excluded at 95% C.L.; median expected limits are 8.9 TeV for the destructive interference scenario and 14.1 TeV for the constructive interference scenario.

Search For New Phenomena In Dijet Angular Distributions In Proton Proton Collisions At Math Display

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Author :
language : en
Publisher:
Release Date : 2015

Search For New Phenomena In Dijet Angular Distributions In Proton Proton Collisions At Math Display written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.

In this study, a search for new phenomena in LHC proton-proton collisions at a center-of-mass energy of √s=8 TeV was performed with the ATLAS detector using an integrated luminosity of 17.3 fb-1. The angular distributions are studied in events with at least two jets; the highest dijet mass observed is 5.5 TeV. All angular distributions are consistent with the predictions of the standard model. In a benchmark model of quark contact interactions, a compositeness scale below 8.1 TeV in a destructive interference scenario and 12.0 TeV in a constructive interference scenario is excluded at 95% C.L.; median expected limits are 8.9 TeV for the destructive interference scenario and 14.1 TeV for the constructive interference scenario.

Search For New Phenomena In Dijet Mass And Angular Distributions From Pp Collisions At Mml

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Author :
language : en
Publisher:
Release Date : 2016

Search For New Phenomena In Dijet Mass And Angular Distributions From Pp Collisions At Mml 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.

This Letter describes a model-agnostic search for pairs of jets (dijets) produced by resonant and non-resonant phenomena beyond the Standard Model in 3.6 fb-1 of proton-proton collisions with a centre-of-mass energy of √s = 13 TeV recorded by the ATLAS detector at the Large Hadron Collider. The distribution of the invariant mass of the two leading jets is examined for local excesses above a data-derived estimate of the smoothly falling prediction of the Standard Model. The data are also compared to a Monte Carlo simulation of Standard Model angular distributions derived from the rapidity of the two jets. No evidence of anomalous phenomena is observed in the data, which are used to exclude, at 95% CL, quantum black holes with threshold masses below 8.3 TeV, 8.1 TeV, or 5.1 TeV5.1 TeV in three different benchmark scenarios; resonance masses below 5.2 TeV for excited quarks, 2.6 TeV in a W' model, a range of masses starting from mZ' = 1.5 TeV and couplings from gq = 0.2 in a Z' model; and contact interactions with a compositeness scale below 12.0 TeV and 17.5 TeV respectively for destructive and constructive interference between the new interaction and QCD processes. These results significantly extend the ATLAS limits obtained from 8 TeV data. As a result, gaussian-shaped contributions to the mass distribution are also excluded if the effective cross-section exceeds values ranging from approximately 50-300 fb for masses below 2 TeV to 2-20 fb for masses above 4 TeV.

Search For New Physics With Dijet Angular Distributions In Proton Proton Collisions At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2017

Search For New Physics With Dijet Angular Distributions In Proton Proton 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 2017 with categories.

A search is presented for extra spatial dimensions, quantum black holes, and quark contact interactions in measurements of dijet angular distributions in proton-proton collisions at sqrt(s) = 13 TeV. The data were collected with the CMS detector at the LHC and correspond to an integrated luminosity of 2.6 inverse femtobarns. The distributions are found to be in agreement with predictions from perturbative quantum chromodynamics that include electroweak corrections. Limits for different contact interaction models are obtained in a benchmark model, valid to next-to-leading order in QCD, in which only left-handed quarks participate, with quark contact interactions excluded up to a scale of 11.5 or 14.7 TeV for destructive or constructive interference, respectively. The production of quantum black holes is excluded for masses below 7.8 or 5.3 TeV, depending on the model. The lower limits for the scales of virtual graviton exchange in the Arkani-Hamed--Dimopoulos--Dvali model of extra spatial dimensions are in the range 7.9-11.2 TeV, and are the most stringent set of limits available.