Inclusive B Jet Production In Pp Collisions At Sqrts
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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
Author | : Patrick L.S. Connor |
Publisher | : Springer Nature |
Total Pages | : 325 |
Release | : 2019-11-29 |
Genre | : Science |
ISBN | : 3030343839 |
Download Inclusive b Jet Production in Proton-Proton Collisions Book in PDF, Epub and Kindle
^ 74 GeV and |y| 2.4; the b jets must contain a B hadron. The measurement has significant statistics up to p T ∼ O(TeV). Advanced methods of unfolding are performed to extract the signal. It is found that fixed-order calculations with underlying event describe the measurement well.
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Total Pages | : 28 |
Release | : 2011 |
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Download Inclusive B-hadron Production Cross Section with Muons in Pp Collisions at Sqrt(s) Book in PDF, Epub and Kindle
A measurement of the b-hadron production cross section in proton-proton collisions at sqrt(s)=7 TeV is presented. The dataset, corresponding to 85 inverse nanobarns, was recorded with the CMS experiment at the LHC using a low-threshold single-muon trigger. Events are selected by the presence of a muon with transverse momentum greater than 6 GeV with respect to the beam direction and pseudorapidity less than 2.1. The transverse momentum of the muon with respect to the closest jet discriminates events containing b hadrons from background. The inclusive b-hadron production cross section is presented as a function of muon transverse momentum and pseudorapidity. The measured total cross section in the kinematic acceptance is sigma(pp to b+X to mu + X') =1.32 +/- 0.01 (stat) +/- 0.30 (syst) +/- 0.15 (lumi) microbarns.
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Total Pages | : 21 |
Release | : 2013 |
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Download Measurement of the Inclusive and Dijet Cross-sections of B-jets in Pp Collisions at Sqrt(s) Book in PDF, Epub and Kindle
Author | : T. et al Åkesson |
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Total Pages | : 18 |
Release | : 1986 |
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Download Three-Jet Production in Pp Collisions at SQRT (S) Book in PDF, Epub and Kindle
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Release | : 2016 |
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Download Measurement of Inclusive Jet Production and Nuclear Modifications in PPb Collisions at $\sqrt{s_{\mathrm{NN}}} Book in PDF, Epub and Kindle
Inclusive jet production in pPb collisions at a nucleon-nucleon (NN) center-of-mass energy of sqrt(s[NN])=5.02 TeV is studied with the CMS detector at the LHC. A data sample corresponding to an integrated luminosity of 35 inverse nanobarns is analyzed. The jet transverse momentum spectra are studied in seven pseudorapidity intervals covering the range -2.0
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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.
Author | : Shreyasi Acharya |
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Total Pages | : 0 |
Release | : 2022 |
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Download Measurement of Inclusive Charged-particle B-jet Production in Pp and P-Pb Collisions at √sNN Book in PDF, Epub and Kindle
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Release | : 2012 |
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Download Jet Production Rates in Association with W and Z Bosons in Pp Collisions at $ \sqrt {s} Book in PDF, Epub and Kindle
Measurements of jet production rates in association with W and Z bosons for jet transverse momenta above 30 GeV are reported, using a sample of proton-proton collision events recorded by CMS at sqrt(s) = 7 TeV, corresponding to an integrated luminosity of 36 inverse picobarns. The study includes the measurement of the normalized inclusive rates of jets sigma(V +>= n jets)/sigma(V), where V represents either a W or a Z. In addition, the ratio of W to Z cross sections and the W charge asymmetry as a function of the number of associated jets are measured. A test of Berends--Giele scaling at sqrt(s) = 7 TeV is also presented. The measurements provide a stringent test of perturbative-QCD calculations and are sensitive to the possible presence of new physics. The results are in agreement with the predictions of a simulation that uses explicit matrix element calculations for final states with jets.
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Release | : 2016 |
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Download Measurements of the Associated Production of a Z Boson and B Jets in Pp Collisions at $\sqrt{s}$ Book in PDF, Epub and Kindle
Measurements of the associated production of a Z boson with at least one jet originating from a b quark in proton-proton collisions at $\sqrt{s}$ = 8 TeV are presented. Differential cross sections are measured with data collected by the CMS experiment corresponding to an integrated luminosity of 19.8 inverse femtobarns. Z bosons are reconstructed through their decays to electrons and muons. Cross sections are measured as a function of observables characterizing the kinematics of the b jet and the Z boson. Ratios of differential cross sections for the associated production with at least one b jet to the associated production with any jet are also presented. The production of a Z boson with two b jets is investigated, and differential cross sections are measured for the dijet system. Results are compared to theoretical predictions, testing two different flavour schemes for the choice of initial-state partons.