Measurement Of The Upsilonns Cross Sections In Pp Collisions At Sqrts
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Total Pages | : 202 |
Release | : 2012 |
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Download Measurement of the Upsilon(NS) Cross Sections in Pp Collisions at Sqrt(s) Book in PDF, Epub and Kindle
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 | : 202 |
Release | : 2012 |
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Download Measurement of the Upsilon(NS) Cross Sections in Pp Collisions at {u221A}(s) Book in PDF, Epub and Kindle
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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Release | : 2011 |
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Download Measurement of the Inclusive Upsilon Production Cross Section in Pp Collisions at Sqrt(s) Book in PDF, Epub and Kindle
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.
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Release | : 2011 |
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Download Measurement of the Inclusive W and Z Production Cross Sections in Pp Collisions at $ \sqrt {s} Book in PDF, Epub and Kindle
A measurement of inclusive W and Z production cross sections in pp collisions at sqrt(s)=7 TeV is presented. The electron and muon decay channels are analyzed in a data sample collected with the CMS detector at the LHC and corresponding to an integrated luminosity of 36 inverse picobarns. The measured inclusive cross sections are sigma(pp-> WX) B(W-> l nu) = 10.30 +/- 0.02 (stat.) +/- 0.10 (syst.) +/- 0.10 (th.) +/- 0.41 (lumi.) nb and sigma(pp -> ZX) B(Z-> l+̂l-̂) = 0.974 +/- 0.007 (stat.) +/- 0.007 (syst.) +/- 0.018 (th.) +/- 0.039 (lumi.) nb, limited to the dilepton invariant mass range 60 to 120 GeV. The luminosity-independent cross section ratios are [sigma(pp->WX) B(W-> l nu)]/[sigma(pp-> ZX) B(Z->l+̂l-̂)] = 10.54 +/- 0.07 (stat.) +/- 0.08 (syst.) +/- 0.16 (th.) and [sigma(pp->W+̂X) B(W+̂ -> l+̂nu)] / [sigma(pp->W-̂ X) B(W-̂ -> l-̂ nu)] = 1.421 +/- 0.006 (stat.) +/- 0.014 (syst.) +/- 0.029 (th.). The measured values agree with next-to-next-to-leading order QCD cross section calculations based on recent parton distribution functions.
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Release | : 2011 |
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Download Measurement of the Inclusive Jet Cross Section in Pp Collisions at Sqrt[s] Book in PDF, Epub and Kindle
The inclusive jet cross section is measured in pp collisions with a center-of-mass energy of 7 TeV at the LHC using the CMS experiment. The data sample corresponds to an integrated luminosity of 34 inverse picobarns. The measurement is made for jet transverse momenta in the range 18-1100 GeV and for absolute values of rapidity less than 3. The measured cross section extends to the highest values of jet pT ever observed and, within the experimental and theoretical uncertainties, is generally in agreement with next-to-leading-order perturbative QCD predictions.
Author | : Bora Akgun |
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Total Pages | : 0 |
Release | : 2012 |
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Download Upsilon(nS) Cross Section Measurement in Pp Collisions at 7 TeV with the CMS Detector Book in PDF, Epub and Kindle
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Total Pages | : 38 |
Release | : 2012 |
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Download Measurement of the Production Cross Section for Pairs of Isolated Photons in Pp Collisions at Sqrt(s) Book in PDF, Epub and Kindle
The integrated and differential cross sections for the production of pairs of isolated photons is measured in proton-proton collisions at a centre-of-mass energy of 7 TeV with the CMS detector at the LHC. A data sample corresponding to an integrated luminosity of 36 inverse picobarns is analysed. A next-to-leading-order perturbative QCD calculation is compared to the measurements. A discrepancy is observed for regions of the phase space where the two photons have an azimuthal angle difference, $\Delta(\phi)$, less than approximately 2.8.
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Total Pages | : 45 |
Release | : 2015 |
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Download Measurements of the Upsilon(1S), Upsilon(2S), and Upsilon(3S) Differential Cross Sections in Pp Collisions at Sqrt(s) Book in PDF, Epub and Kindle
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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Release | : 2016 |
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Download Measurement of the $WZ$ Production Cross Section in $pp$ Collisions at $\sqrt{s} Book in PDF, Epub and Kindle
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
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Total Pages | : 24 |
Release | : 2013 |
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Download Measurement of the $\upsilon_{1S}$ Production Cross-Section in $Pp$ Collisions at $\sqrt{s} Book in PDF, Epub and Kindle