Study Of Exclusive Two Photon Production Of W W In Pp Collisions At Sqrts
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Release | : 2013 |
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Download Study of Exclusive Two-photon Production of $W^+W^-$ in $pp$ Collisions at $\sqrt{s} Book in PDF, Epub and Kindle
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Release | : 2011 |
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Download Exclusive Photon-photon Production of Muon Pairs in Proton-proton Collisions at Sqrt(s) Book in PDF, Epub and Kindle
A measurement of the exclusive two-photon production of muon pairs in proton-proton collisions at √s = 7 TeV, pp → p??−p, is reported using data corresponding to an integrated luminosity of 40 pb−1. For muon pairs with invariant mass greater than 11.5 GeV, transverse momentum p{sub T} > 4 GeV and pseudorapidity.
Author | : Rachel Paula Yohay |
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Release | : 2012 |
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Download A Search in the Two-photon Final State for Evidence of New Particle Production in Pp Collisions at [square Root] 8 Book in PDF, Epub and Kindle
Author | : T. et al Åkesson |
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Release | : 1986 |
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Download A Study of the Production of Two Direct Photons in Pp Collisions at the CERN ISR. Book in PDF, Epub and Kindle
Author | : Wei Chen |
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Total Pages | : 296 |
Release | : 1997 |
Genre | : Direct reactions (Nuclear physics) |
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Download Isolated Direct Double Photon Production in P̄p Collisions at [square Root Of] S Book in PDF, Epub and Kindle
Author | : T. Åkesson |
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Total Pages | : 10 |
Release | : 1987 |
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Download Direct Photon Plus Away-side Jet Production in Pp Collisions at Sqrt(s) Book in PDF, Epub and Kindle
Author | : M. V. Tokarev |
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Total Pages | : 10 |
Release | : 1998 |
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Download Study of New Scaling of Direct Photon Production in Pp Collisions at High Energies Using MC Simulation Book in PDF, Epub and Kindle
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Release | : 1980 |
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Download Study of Direct Single Photons and Correlated Particles in Proton-proton Collisions At. Sqrt. S Book in PDF, Epub and Kindle
As part of a study of large p/sub T/ phenomena in proton-proton collisions at the CERN ISR, a search for direct single photon production has been performed. A statistical division of the data sample into the fraction consistent with single photon production and the fraction due to multiphoton decays of neutral hadrons is accomplished by measuring the average conversion probability for the sample in a one radiation length thick converter. The fraction of the sample attributable to direct single photon production is .gamma./all = 0.074 +- 0.012 for 6 GeV/c = 0.26 +- 0.04 for p/sub T/> 10 GeV/c, with an additional systematic uncertainty of +- 0.05 for both values. It is found that single photons are produced preferentially with no accompanying particles on the same side. The ratio of positive to negative particles on the away side is found to be 3.7 +- 1.2 at high x/sub E/ and p/sub T/ for the single photon events.
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Total Pages | : 39 |
Release | : 2012 |
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Download J/psi and Psi(2S) Production in Pp Collisions at Sqrt(s) Book in PDF, Epub and Kindle
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.
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Total Pages | : 33 |
Release | : 2012 |
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Download Inclusive B-jet Production in Pp Collisions at Sqrt(s) Book in PDF, Epub and Kindle
The inclusive b-jet production cross section in pp collisions at a center-of-mass energy of 7 TeV is measured using data collected by the CMS experiment at the LHC. The cross section is presented as a function of the jet transverse momentum in the range 18