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Search For New Phenomena In Dijet Angular Distributions In Proton Proton Collisions At U221as
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Book Synopsis Search for New Phenomena in Dijet Angular Distributions in Proton-proton Collisions at {u221A}s by :
Download or read book Search for New Phenomena in Dijet Angular Distributions in Proton-proton Collisions at {u221A}s written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Search for New Phenomena in Dijet Angular Distributions in Proton-proton Collisions at S by :
Download or read book Search for New Phenomena in Dijet Angular Distributions in Proton-proton Collisions at S written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Search for New Phenomena in Dijet Angular Distributions in Proton-proton Collisions at [math Display by :
Download or read book Search for New Phenomena in Dijet Angular Distributions in Proton-proton Collisions at [math Display written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Search for New Phenomena in Dijet Angular Distributions Measured with the ATLAS Detector in Proton-Proton Collisions at Sqrt(s) by : Thorsten Dietzsch
Download or read book 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 published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for New Phenomena in Dijet Angular Distributions Measured with the ATLAS Detector in Proton-proton Collisions at √s _327 7 TeV by : Thorsten A. Dietzsch
Download or read book 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 published by . This book was released on 2013 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for New Phenomena in Dijet Angular Distributions Measured with the ATLAS Detector in Proton-proton Collisons at √s by :
Download or read book Search for New Phenomena in Dijet Angular Distributions Measured with the ATLAS Detector in Proton-proton Collisons at √s written by and published by . This book was released on 2013 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for New Physics with Dijet Angular Distributions in Proton-proton Collisions at $\sqrt{s}$ by :
Download or read book Search for New Physics with Dijet Angular Distributions in Proton-proton Collisions at $\sqrt{s}$ written by and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Searches for New Physics Using Dijet Angular Distributions in Proton-proton Collisions at √s by : Ryan Mark Buckingham
Download or read book Searches for New Physics Using Dijet Angular Distributions in Proton-proton Collisions at √s written by Ryan Mark Buckingham and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for New Phenomena in the Dijet Mass Distribution Using Pp Collision Data at S by :
Download or read book Search for New Phenomena in the Dijet Mass Distribution Using Pp Collision Data at S written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Dijet events produced in LHC proton-proton collisions at a center-of-mass energy \(\sqrt{s}=8\) TeV are studied with the ATLAS detector using the full 2012 data set, with an integrated luminosity of 20.3 fb-1. Dijet masses up to about 4.5 TeV are probed. Resonancelike features are not observed in the dijet mass spectrum. Limits on the cross section times acceptance are set at the 95% credibility level for various hypotheses of new phenomena in terms of mass or energy scale, as appropriate. The analysis excludes excited quarks with a mass below 4.06 TeV, color-octet scalars with a mass below 2.70 TeV, heavy W' bosons with a mass below 2.45 TeV, chiral W* bosons with a mass below 1.75 TeV, and quantum black holes with six extra space-time dimensions with threshold mass below 5.66 TeV.
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 169 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 Dijet Angular Distributions in Proton-antiproton Collisions at the Fermilab Tevatron by : Richard Dante St. Denis
Download or read book Dijet Angular Distributions in Proton-antiproton Collisions at the Fermilab Tevatron written by Richard Dante St. Denis and published by . This book was released on 1988 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for New Phenomena in Monophoton Final States in Proton-proton Collisions at [mml by :
Download or read book Search for New Phenomena in Monophoton Final States in Proton-proton Collisions at [mml written by and published by . This book was released on 2016 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this paper, results are presented from a search for new physics in final states containing a photon and missing transverse momentum. The data correspond to an integrated luminosity of 19.6 fb-1 collected in proton-proton collisions at √s = 8 TeV with the CMS experiment at the LHC. No deviation from the standard model predictions is observed for these final states. New, improved limits are set on dark matter production and on parameters of models with large extra dimensions. In particular, the first limits from the LHC on branon production are found and significantly extend previous limits from LEP and the Tevatron. Finally, an upper limit of 14.0 fb on the cross section is set at the 95% confidence level for events with a monophoton final state with photon transverse momentum greater than 145 GeV and missing transverse momentum greater than 140 GeV.
