Measurement Of The Inelastic Cross Section In Proton Lead Collisions At Sqrt S Mathrm Nn
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Measurement Of The Inelastic Cross Section In Proton Lead Collisions At Sqrt S Mathrm Nn
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Author :
language : en
Publisher:
Release Date : 2015
Measurement Of The Inelastic Cross Section In Proton Lead Collisions At Sqrt S Mathrm Nn 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.
The inelastic hadronic cross section in proton-lead collisions at a centre-of-mass energy per nucleon pair of 5.02 TeV is measured with the CMS detector at the LHC. Our data sample, corresponding to an integrated luminosity of L = 12.6 ± 0.4 nb-1, has been collected with an unbiased trigger for inclusive particle production. The cross section is obtained from the measured number of proton-lead collisions with hadronic activity produced in the pseudorapidity ranges 3
Measurement Of The Inelastic Cross Section In Proton U2013 Lead Collisions At
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Author :
language : en
Publisher:
Release Date : 2016
Measurement Of The Inelastic Cross Section In Proton U2013 Lead Collisions At 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.
The inelastic hadronic cross section in proton-lead collisions at a centre-of-mass energy per nucleon pair of 5.02 TeV is measured with the CMS detector at the LHC. Our data sample, corresponding to an integrated luminosity of L = 12.6 ± 0.4 nb-1, has been collected with an unbiased trigger for inclusive particle production. The cross section is obtained from the measured number of proton-lead collisions with hadronic activity produced in the pseudorapidity ranges 3 ? 5 and/or -5 ? -3, corrected for photon-induced contributions, experimental acceptance, and other instrumental effects. The inelastic cross section is measured to be ?
A Measurement Of The Proton Proton Inelastic Scattering Cross Section At Sqrt S
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Author : Lauren Alexandra Tompkins
language : en
Publisher:
Release Date : 2011
A Measurement Of The Proton Proton Inelastic Scattering Cross Section At Sqrt S written by Lauren Alexandra Tompkins 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.
The first measurement of the inelastic cross-section for proton-proton collisions at a center of mass energy of 7 TeV using the ATLAS detector at the Large Hadron Collider is presented. From a dataset corresponding to an integrated luminosity of 20 inverse microbarns, events are selected by requiring activity in scintillation counters mounted in the forward region of the ATLAS detector. An inelastic cross-section of 60.1 +/- 2.1 millibarns is measured for the subset of events visible to the scintillation counters. The uncertainty includes the statistical and systematic uncertainty on the measurement. The visible events satisfy [xi]> 5\times 10-6, where [xi]=MX2/s is calculated from the invariant mass, MX, of hadrons selected using the largest rapidity gap in the event. For diffractive events this corresponds to requiring at least one of the dissociation masses to be larger than 15.7~GeV. Using an extrapolation dependent on the model for the differential diffractive mass distribution, an inelastic cross-section of 69.1 +/- 2.4 (exp) +/- 6.9 (extr) millibarns is determined, where (exp) indicates the experimental uncertainties and (extr) indicates the uncertainty due to the extrapolation from the limited [xi]-range to the full inelastic cross-section.
Measurement Of The Mathrm T Bar T Production Cross Section In The Mathrm E Mu Channel In Proton Proton Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2016
Measurement Of The Mathrm T Bar T Production Cross Section In The Mathrm E Mu Channel 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 2016 with categories.
The inclusive cross section for top quark pair production is measured in proton-proton collisions at √s = 7 and 8 TeV, corresponding to 5.0 and 19.7 fb-1, respectively, with the CMS experiment at the LHC. The cross sections are measured in the electron-muon channel using a binned likelihood fit to multi-differential final state distributions related to identified b quark jets and other jets in the event. The measured cross section values are 173.6 ± 2.1 (stat)+4.5-4.0 (syst) ± 3.8 (lumi) pb at √s = 7 TeV, and 244.9 ± 1.4 (stat)+6.3-5.5 (syst) ± 6.4 (lumi) pb at √s = 8 TeV, in good agreement with QCD calculations at next-to-next-to-leading-order accuracy. The ratio of the cross sections measured at 7 and 8 TeV is determined, as well as cross sections in the fiducial regions defined by the acceptance requirements on the two charged leptons in the final state. The cross section results are used to determine the top quark pole mass via the dependence of the theoretically predicted cross section on the mass, giving a best result of 173.8+1.7-1.8 GeV. Furthermore, the data at √s = 8 TeV are also used to set limits, for two neutralino mass values, on the pair production of supersymmetric top squarks with masses close to the top quark mass.
Measurement Of The Wz Production Cross Section In Pp Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2016
Measurement Of The Wz Production 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.
The WZ production cross section in proton-proton collisions at sqrt(s) = 13 TeV is measured with the CMS experiment at the LHC using a data sample corresponding to an integrated luminosity of 2.3 inverse femtobarns. The measurement is performed in the leptonic decay modes WZ to l nu l' l', where l, l'= e, mu. The measured cross section for the range 60
Measurement Of The Mathrm T Bar T Production Cross Section Using Events In The Mathrm E Mu Final State In Pp Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2016
Measurement Of The Mathrm T Bar T Production Cross Section Using Events In The Mathrm E Mu Final State 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.
The cross section of top quark-antiquark pair production in proton-proton collisions at $\sqrt{s}$ = 13 TeV is measured by the CMS experiment at the LHC, using data corresponding to an integrated luminosity of 2.2 inverse femtobarns. The measurement is performed by analyzing events in which the final state includes one electron, one muon, and two or more jets, at least one of which is identified as originating from hadronization of a b quark. The measured cross section is 792 +/- 8 (stat) +/- 37 (syst) +/- 21 (lumi) pb, in agreement with the expectation from the standard model.
Measurement Of The Inelastic Proton Proton Cross Section At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2013
Measurement Of The Inelastic Proton Proton Cross Section 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.
Measurement Of The Inclusive Upsilon Production Cross Section In Pp Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2011
Measurement Of The Inclusive Upsilon Production 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 2011 with categories.
The Upsilon production cross section in proton-proton collisions at sqrt(s) = 7 TeV is measured using a data sample collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 3.1 +/- 0.3 inverse picobarns. Integrated over the rapidity range.
Measurement Of The Inclusive Z Ee Production Cross Section In Proton Proton Collisions At Sqrt S
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Author : Jeremy S. Werner
language : en
Publisher:
Release Date : 2011
Measurement Of The Inclusive Z Ee Production Cross Section In Proton Proton Collisions At Sqrt S written by Jeremy S. Werner 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.
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.