Searches For Extra Dimensions And For Heavy Resonances In Dilepton Diphoton Electron Photon And Electron Missing E T Final States With The D0 Detector
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Searches For Extra Dimensions And For Heavy Resonances In Dilepton Diphoton Electron Photon And Electron Missing E T Final States With The D0 Detector
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Author :
language : en
Publisher:
Release Date : 2007
Searches For Extra Dimensions And For Heavy Resonances In Dilepton Diphoton Electron Photon And Electron Missing E T Final States With The D0 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 2007 with categories.
The high mass spectrum of lepton and photon pairs is sensitive to a broad array of new physics. Examples include searches for extra dimensions in the dielectron and diphoton channels. A direct search for electron compositeness is possible in the production of excited electrons decaying into an electron and a photon. In addition, the electron plus missing transverse energy data sample can be searched for a W' boson. Latest results in searches in the high mass dielectron, diphoton, electron plus photon, and electron plus missing transverse energy channels obtained by the D0 experiment at the Tevatron are reported, using a data set corresponding to an integrated luminosity of about 1 inverse femtobarn. Since no significant excess is observed in the data in all cases, limits are set which improve on previous searches.
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.
Search For Universal Extra Dimensions In The Two Photon And Missing Transverse Energy Final State With The Atlas Detector
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Author : Baharak Fatholahzadeh
language : en
Publisher:
Release Date : 2012
Search For Universal Extra Dimensions In The Two Photon And Missing Transverse Energy Final State With The Atlas Detector written by Baharak Fatholahzadeh 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.
Search For Large Extra Dimensions In The Exclusive Photon Missing Energy Channel In P Anti P Collisions
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Author : Jose A. Lazoflores
language : en
Publisher:
Release Date : 2006
Search For Large Extra Dimensions In The Exclusive Photon Missing Energy Channel In P Anti P Collisions written by Jose A. Lazoflores and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
A search was conducted for evidence of large extra dimensions (LED) at Fermi National Accelerator Laboratory's Tevatron using the D0 detector. The Tevatron is a p{bar p} collider at a center of mass energy of 1.96 TeV. Events with particles escaping into extra dimensions will have large missing energy. The search was carried out using data from a total luminosity of 197 {+-} 13 pb{sup -1} with an observable high transverse momentum photon and a large transverse missing energy. The 70 observed events are consistent with photons produced by standard known reactions plus other background processes produced by cosmic muons. The mass limits on the fundamental mass scale at 95% confidence level for large extra dimensions of 2, 4, 6 and 8 are 500 GeV, 581 GeV, 630 GeV, and 668 GeV respectively.
Search For Large Extra Dimensions Via Single Photon Plus Missing Energy Final States At S 1 2
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Author : Edgar Fernando Carrera
language : en
Publisher:
Release Date : 2009
Search For Large Extra Dimensions Via Single Photon Plus Missing Energy Final States At S 1 2 written by Edgar Fernando Carrera and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
ABSTRACT: This dissertation presents a search for large extra dimensions in the single photon plus missing transverse energy final states. We use a data sample of approximately 2.7fb^-1 of ppbar collisions at sqrt(s)= 1.96 TeV (recorded with the D0 detector) to investigate direct Kaluza Klein graviton production and set limits, at the 95% C.L., on the fundamental mass scale M_{D} from 970 to 816 GeV for two to eight extra dimensions.
Search For Large Extra Dimensions In The Exclusive Photon Missing Energy Channel In P Bar P Collisions
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Author :
language : en
Publisher:
Release Date : 2006
Search For Large Extra Dimensions In The Exclusive Photon Missing Energy Channel In P Bar P Collisions written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
A search was conducted for evidence of large extra dimensions (LED) at Fermi National Accelerator Laboratory's Tevatron using the D0 detector. The Tevatron is a p$\bar{p}$ collider at a center of mass energy of 1.96 TeV. Events with particles escaping into extra dimensions will have large missing energy. The search was carried out using data from a total luminosity of 197 ± 13 pb-1 with an observable high transverse momentum photon and a large transverse missing energy. The 70 observed events are consistent with photons produced by standard known reactions plus other background processes produced by cosmic muons. The mass limits on the fundamental mass scale at 95% confidence level for large extra dimensions of 2, 4, 6 and 8 are 500 GeV, 581 GeV, 630 GeV, and 668 GeV respectively.
Search For Large Extra Dimensions In Final States Containing One Photon Or Jet And Large Missing Transverse Energy Produced In P Anti P Collisions At S
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Author :
language : en
Publisher:
Release Date : 2008
Search For Large Extra Dimensions In Final States Containing One Photon Or Jet And Large Missing Transverse Energy Produced In P Anti P 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 2008 with categories.
The authors present the results of searches for large extra dimensions in samples of events with large missing transverse energy E{sub T} and either a photon or a jet produced in p{bar p} collisions at √s = 1.96 TeV collected with the CDF II detector. For? + E{sub T} and jet + E{sub T} candidate samples corresponding to 2.0 fb−1 and 1.1 fb−1 of integrated luminosity respectively, they observe good agreement with standard model expectations and obtain a combined lower limit on the fundamental parameter of the large extra dimensions model, M{sub D}, as a function of the number of extra dimensions in the model.
Search For Large Extra Dimensions Via Single Photons Plus Missing Energy Final States At S 1 2
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Author :
language : en
Publisher:
Release Date : 2008
Search For Large Extra Dimensions Via Single Photons Plus Missing Energy Final States At S 1 2 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
This dissertation presents a search for large extra dimensions in the single photon plus missing transverse energy final states. We use a data sample of approximately 2.7 fb−1 of p{bar p} collisions at √s = 1.96 TeV (recorded with the D− detector) to investigate direct Kaluza Klein graviton production and set limits, at the 95% C.L., on the fundamental mass scale M{sub D} from 970 GeV to 816 GeV for two to eight extra dimensions.
Search For New Physics In Dilepton And Diphoton Final States At Cdf
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Author : Xin Wu
language : en
Publisher:
Release Date : 2005
Search For New Physics In Dilepton And Diphoton Final States At Cdf written by Xin Wu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
The CDF detector has accumulated a large data sample of p{bar p} collisions at {radical}s = 1.96 TeV at the Fermilab Tevatron. In this report we present the results of searches for physics beyond the Standard Model using final states of 2 leptons or 2 photons using 190 pb{sup -1} to 448 pb{sup -1} of data. No deviation from the predictions of Standard Model was observed. The non-observation was used to derive cross section limits on contributions to these final states from possible new physics processes. For many specific new physics models, such as Z', Randall-Sundrum Graviton, Large Extra Dimensions and SUSY, these cross section limits can be used to place strong constraints on their parameters.
Search For Large Extra Dimensions Via Single Photons Plus Missing Energy Final States At U221a S
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Author :
language : en
Publisher:
Release Date : 2008
Search For Large Extra Dimensions Via Single Photons Plus Missing Energy Final States 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 2008 with categories.
This dissertation presents a search for large extra dimensions in the single photon plus missing transverse energy final states. We use a data sample of approximately 2.7 fb-1 of p$ar{p}$ collisions at √s = 1.96 TeV (recorded with the D- detector) to investigate direct Kaluza Klein graviton production and set limits, at the 95% C.L., on the fundamental mass scale MD from 970 GeV to 816 GeV for two to eight extra dimensions.