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| Total Pages | : 202 |
| Release | : 2012 |
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The ?(nS) production cross sections are measured using a data sample corresponding to an integrated luminosity of 35.8 ± 1.4 pb-1 of proton-proton collisions at √s = 7 TeV, collected with the CMS detector at the CERN LHC.
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| Total Pages | : 202 |
| Release | : 2012 |
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The [Upsilon](nS) production cross sections are measured using a data sample corresponding to an integrated luminosity of 35.8 ± 1.4 pb-1 of proton-proton collisions at √s = 7 TeV, collected with the CMS detector at the CERN LHC.
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| Total Pages | : 45 |
| Release | : 2015 |
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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)
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| Total Pages | : 63 |
| Release | : 2014 |
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A measurement of the total $pp$ cross section at the LHC at $\sqrt{s}=7$ TeV is presented. In a special run with high-$\beta{̂\star}$ beam optics, an integrated luminosity of 80 æb-1 was accumulated in order to measure the differential elastic cross section as a function of the Mandelstam momentum transfer variable $t$. The measurement is performed with the ALFA sub-detector of ATLAS. Using a fit to the differential elastic cross section in the.
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| Release | : 2011 |
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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.
| Author | : Bora Akgun |
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| Total Pages | : 0 |
| Release | : 2012 |
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| Total Pages | : 24 |
| Release | : 2013 |
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| Release | : 2011 |
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A measurement of the cross section for the inclusive production of isolated prompt photons in pp collisions at a centre-of-mass energy √s = 7TeV is presented. The measurement covers the pseudorapidity ranges.
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| Total Pages | : 9 |
| Release | : 2015 |
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In this study, we present a measurement of the cross sections for the associated production of a W boson with at least one heavy quark jet, b or c, in proton–antiproton collisions. Data corresponding to an integrated luminosity of 8.7 fb–1 recorded with the D0 detector at the Fermilab Tevatron pp¯ Collider at √s = 1.96 TeV are used to measure the cross sections differentially as a function of the jet transverse momenta in the range 20 to 150 GeV. These results are compared to calculations of perturbative QCD theory as well as predictions from Monte Carlo generators.
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| Release | : 2015 |
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Measurements of bottomonium production in heavy-ion and p+p collisions at the Relativistic Heavy Ion Collider (RHIC) are presented. The inclusive yield of the three [Upsilon] states, [Upsilon](1S + 2S + 3S), was measured in the PHENIX experiment via electron-positron decay pairs at midrapidity for Au+Au and p+p collisions at \(\sqrt{s_{\mathrm{NN}}}=200\) GeV. The [Upsilon](1S + 2S + 3S) 2!ee− differential cross section at midrapidity was found to be Beed[sigma]/dy = 108 ± 38 (stat) ± 15 (syst) ± 11 (luminosity) pb in p+p collisions. The nuclear modification factor in the 30% most central Au+Au collisions indicates a suppression of the total [Upsilon] state yield relative to the extrapolation from p+p collision data. Thus, the suppression is consistent with measurements at higher energies by the CMS experiment at the Large Hadron Collider.
