Measurement Of The High Mass Drell Yan Differential Cross Section In The Electron Positron Channel With The Atlas Experiment At S
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Measurement Of The High Mass Drell Yan Differential Cross Section In The Electron Positron Channel With The Atlas Experiment At S
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Author : Katalin Nikolics
language : en
Publisher:
Release Date : 2013
Measurement Of The High Mass Drell Yan Differential Cross Section In The Electron Positron Channel With The Atlas Experiment At S written by Katalin Nikolics 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 Heavy Charged Bosons And Measurement Of High Mass Drell Yan Production In Proton Proton Collisions
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Author : Markus Zinser
language : en
Publisher: Springer
Release Date : 2018-09-25
Search For New Heavy Charged Bosons And Measurement Of High Mass Drell Yan Production In Proton Proton Collisions written by Markus Zinser and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-25 with Science categories.
This book presents two analyses, the first of which involves the search for a new heavy charged gauge boson, a so-called W' boson. This new gauge boson is predicted by some theories extending the Standard Model gauge group to solve some of its conceptual problems. Decays of the W' boson in final states with a lepton (l± = e± , μ±) and the corresponding (anti-)neutrino are considered. Data collected by the ATLAS experiment in 2015 at a center of mass energy of √s =13 TeV is used for the analysis. In turn, the second analysis presents a measurement of the double-differential cross section of the process pp->Z/gamma^* + X -> l^+l^- + X, including a gamma gamma induced contribution, at a center of mass energy of sqrt{s} = 8 TeV. The measurement is performed in an invariant mass region of 116 GeV to 1500 GeV as a function of invariant mass and absolute rapidity of the l^+l^-- pair, and as a function of invariant mass and pseudorapidity separation of the l^+l^-- pair. The data analyzed was recorded by the ATLAS experiment in 2012 and corresponds to an integrated luminosity of 20.3/fb. It is expected that the measured cross sections are sensitive to the PDFs at very high values of the Bjorken-x scaling variable, and to the photon structure of the proton.
Measurement Of The Double Differential High Mass Drell Yan Cross Section In Pp Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2016
Measurement Of The Double Differential High Mass Drell Yan Cross Section 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.
This study presents a measurement of the double-differential cross section for the Drell-Yan Z/[gamma]* → l+l- and photon-induced [gamma][gamma] → l+l- processes where l is an electron or muon. The measurement is performed for invariant masses of the lepton pairs, mll, between 116 GeV and 1500 GeV using a sample of 20.3 fb-1 of pp collisions data at centre-of-mass energy of √s = 8 TeV collected by the ATLAS detector at the LHC in 2012. The data are presented double differentially in invariant mass and absolute dilepton rapidity as well as in invariant mass and absolute pseudorapidity separation of the lepton pair. The single-differential cross section as a function of mll is also reported. The electron and muon channel measurements are combined and a total experimental precision of better than 1% is achieved at low mll. A comparison to next-to-next-to-leading order perturbative QCD predictions using several recent parton distribution functions and including next-to-leading order electroweak effects indicates the potential of the data to constrain parton distribution functions. In particular, a large impact of the data on the photon PDF is demonstrated.
Measurement Of The Differential And Double Differential Drell Yan Cross Sections In Proton Proton Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2013
Measurement Of The Differential And Double Differential Drell Yan Cross Sections 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 2013 with categories.
Measurements of the differential and double-differential Drell-Yan cross sections are presented using an integrated luminosity of 4.5(4.8) inverse femtobarns in the dimuon (dielectron) channel of proton-proton collision data recorded with the CMS detector at the LHC at sqrt{s} = 7 TeV. The measured inclusive cross section in the Z-peak region (60-120 GeV) is \sigma(\ell \ell) = 986.4 +/- 0.6 (stat.) +/- 5.9 (exp. syst.) +/- 21.7 (th. syst.) +/- 21.7 (lum.) pb for the combination of the dimuon and dielectron channels. Differential cross sections $d\sigma/dm$ for the dimuon, dielectron, and combined channels are measured in the mass range 15 to 1500 GeV and corrected to the full phase space. Results are also presented for the measurement of the double-differential cross section d2̂\sigma/dm d.
High Mass Drell Yan Cross Section And Search For New Phenomena In Multi Electron Positron Final States With The Atlas Detector
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Author : Simon Wollstadt
language : en
Publisher:
Release Date : 2014
High Mass Drell Yan Cross Section And Search For New Phenomena In Multi Electron Positron Final States With The Atlas Detector written by Simon Wollstadt 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.
Measurement Of The Drell Yan Differential Cross Section D Sigma Dp Mu Mu T At High Dilepton Mass In Proton Proton Collisions At A Center Of Mass Energy Of 7 Tev With The Atlas Detector
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Author : Kyoko Yamamoto
language : en
Publisher:
Release Date : 2012
Measurement Of The Drell Yan Differential Cross Section D Sigma Dp Mu Mu T At High Dilepton Mass In Proton Proton Collisions At A Center Of Mass Energy Of 7 Tev With The Atlas Detector written by Kyoko Yamamoto 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.
Measurement Of The Drell Yan Differential Cross Section And Forward Backward Asymmetry In P Bar P U2192 E E Events Using The D0 Detector
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Author :
language : en
Publisher:
Release Date : 2005
Measurement Of The Drell Yan Differential Cross Section And Forward Backward Asymmetry In P Bar P U2192 E E Events Using 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 2005 with categories.
We present measurements of the inclusive Drell-Yan e+ e- differential cross section (d?/dMe+ e- and forward-backward asymmetry (AFB) as a function of the dielectron invariant mass over the range 70-400 GeV/c2. The data sample consists of 177.3 pb-1 of p$ar{p}$ collisions at √s = 1.96 TeV collected by the D0 detector. The results are consistent with the predictions of the standard model.
Measurement Of The Boson Z Differential Cross Section In Transverse Momentum In The Electron Positron Channel With The Atlas Detector At Lhc
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Author : Homero Martinez
language : en
Publisher:
Release Date : 2013
Measurement Of The Boson Z Differential Cross Section In Transverse Momentum In The Electron Positron Channel With The Atlas Detector At Lhc written by Homero Martinez 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.
Measurement Of Top Antitop Differential Cross Sections In The Di Lepton Channel With Atlas In P P Collisions At 7tev
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Author :
language : en
Publisher:
Release Date : 2015
Measurement Of Top Antitop Differential Cross Sections In The Di Lepton Channel With Atlas In P P Collisions At 7tev 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.
Measurement Of The Drell Yan Differential Cross Section And Forward Backward Asymmetry In Proton Anti Proton E E Events Using The D0 Detector
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Author : Raymond Gelhaus
language : en
Publisher:
Release Date : 2005
Measurement Of The Drell Yan Differential Cross Section And Forward Backward Asymmetry In Proton Anti Proton E E Events Using The D0 Detector written by Raymond Gelhaus 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.
We present measurements of the inclusive Drell-Yan e{sup +}e{sup -} differential cross section (d{sigma}/dM{sub e{sup +}e{sup -}}) and forward-backward asymmetry (A{sub FB}) as a function of the dielectron invariant mass over the range 70-400 GeV/c{sup 2}. The data sample consists of 177.3 pb{sup -1} of p{bar p} collisions at {radical}s = 1.96 TeV collected by the D0 detector. The results are consistent with the predictions of the standard model.