Measurement Of J And 2s Prompt Double Differential Cross Sections In Pp Collisions At U221a S
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Measurement Of J And 2s Prompt Double Differential Cross Sections In Pp Collisions At U221a S
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Author :
language : en
Publisher:
Release Date : 2015
Measurement Of J And 2s Prompt Double Differential Cross Sections In Pp 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.
The double-differential cross sections of promptly produced J/? and ?(2S) mesons are measured in pp collisions at √s = 7 TeV, as a function of transverse momentum pT and absolute rapidity.
Measurement Of J Psi And Psi 2s Prompt Double Differential Cross Sections In Pp Collisions At Arrow
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Author :
language : en
Publisher:
Release Date : 2015
Measurement Of J Psi And Psi 2s Prompt Double Differential Cross Sections In Pp Collisions At Arrow 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 double-differential cross sections of promptly produced J/[psi] and [psi](2S) mesons are measured in pp collisions at [arrow]" = 7 TeV, as a function of transverse momentum pT and absolute rapidity.
J Psi And Psi 2s Production In Pp Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2012
J Psi And Psi 2s Production 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 2012 with categories.
A measurement of the J/psi and psi(2S) production cross sections in pp collisions at sqrt(s)=7 TeV with the CMS experiment at the LHC is presented. The data sample corresponds to an integrated luminosity of 37 inverse picobarns. Using a fit to the invariant mass and decay length distributions, production cross sections have been measured separately for prompt and non-prompt charmonium states, as a function of the meson transverse momentum in several rapidity ranges. In addition, cross sections restricted to the acceptance of the CMS detector are given, which are not affected by the polarization of the charmonium states. The ratio of the differential production cross sections of the two states, where systematic uncertainties largely cancel, is also determined. The branching fraction of the inclusive B to psi(2S) X decay is extracted from the ratio of the non-prompt cross sections to be: BR(B to psi(2S) X) = (3.08 +/- 0.12(stat.+syst.) +/- 0.13(theor.) +/- 0.42(BR[PDG])) 10-̂3.
Measurement Of Prompt J Psi Pair Production In Pp Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2014
Measurement Of Prompt J Psi Pair Production 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 2014 with categories.
Production of prompt J/[psi] meson pairs in proton-proton collisions at √s = 7 TeV is measured with the CMS experiment at the LHC in a data sample corresponding to an integrated luminosity of about 4.7 fb-1. The two J/[psi] mesons are fully reconstructed via their decays into [mu] + [mu] - pairs. This observation provides for the first time access to the high-transverse-momentum region of J/[psi] pair production where model predictions are not yet established. The total and differential cross sections are measured in a phase space defined by the individual J/[psi] transverse momentum (p T J/[psi] ) and rapidity (
Measurement Of The Differential Cross Section With Respect To Momentum And Rapidity Of The J Psi Meson And The Non Prompt J Psi Cross Section Fraction In Pp Collisions At Square Root Of S
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Author : Andrew James Nelson
language : en
Publisher:
Release Date : 2011
Measurement Of The Differential Cross Section With Respect To Momentum And Rapidity Of The J Psi Meson And The Non Prompt J Psi Cross Section Fraction In Pp Collisions At Square Root Of S written by Andrew James Nelson 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 Differential Cross Sections For The Production Of A Pair Of Isolated Photons In Pp Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2014
Measurement Of Differential Cross Sections For The Production Of A Pair Of Isolated Photons 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 2014 with categories.
A measurement of differential cross sections for the production of a pair of isolated photons in proton-proton collisions at $\sqrt{s}=7\, \text {TeV} $ is presented. The data sample corresponds to an integrated luminosity of 5.0 $\, \text {fb}^{-1}$ collected with the CMS detector. A data-driven isolation template method is used to extract the prompt diphoton yield. The measured cross section for two isolated photons, with transverse energy above 40 and 25 $\, \text {GeV}$ respectively, in the pseudorapidity range $
Prompt And Non Prompt J Psi Production In Pp Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2011
Prompt And Non Prompt J Psi Production 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 production of J/psi mesons is studied in pp collisions at sqrt(s)=7 TeV with the CMS experiment at the LHC. The measurement is based on a dimuon sample corresponding to an integrated luminosity of 314 inverse nanobarns. The J/psi differential cross section is determined, as a function of the J/psi transverse momentum, in three rapidity ranges. A fit to the decay length distribution is used to separate the prompt from the non-prompt (b hadron to J/psi) component. Integrated over J/psi transverse momentum from 6.5 to 30 GeV/c and over rapidity in the range.
Measurements Of The Upsilon 1s Upsilon 2s And Upsilon 3s Differential Cross Sections In Pp Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2015
Measurements Of The Upsilon 1s Upsilon 2s And Upsilon 3s Differential Cross Sections 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 2015 with categories.
Differential cross sections as a function of transverse momentum pt are presented for the production of Y(nS) (n = 1, 2, 3) states decaying into a pair of muons. Data corresponding to an integrated luminosity of 4.9 inverse femtobarns in pp collisions at sqrt(s) = 7 TeV were collected with the CMS detector at the LHC. The analysis selects events with dimuon rapidity abs(y)
Measurement Of The Prompt J Psi And Psi 2s Polarizations In Pp Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2013
Measurement Of The Prompt J Psi And Psi 2s Polarizations 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 2013 with categories.
Measurement Of The Inclusive Isolated Prompt Photon Cross Section In Pp Collisions At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2013
Measurement Of The Inclusive Isolated Prompt Photon 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 2013 with categories.