Measurement Of The Differential Cross Section Of Photon Plus Jet Production In Pbarp Collisions At Sqrts PDF Download
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| Release | : 2013 |
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Download Measurement of the Differential Cross Section of Photon Plus Jet Production in $p\bar{p}$ Collisions at $\sqrt{s} Book in PDF, ePub and Kindle
We study the process of associated photon and jet production, p+pbar --> photon + jet + X, using 8.7 fb^-1 of integrated luminosity collected by the D0 detector at the Fermilab Tevatron Collider at a center-of-mass energy sqrt{s}=1.96 TeV. Photons are reconstructed with rapidity
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| Total Pages | : 3 |
| Release | : 2007 |
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Download Measurement of Triple Differential Photon Plus Jet Cross- Section by Book in PDF, ePub and Kindle
We report on a new measurement of triple differential cross section for the process ppbar -> photon + jet + X in ppbar collisions at sqrt(s)=1.96 TeV by the D0 Collaboration at Fermilab based on a dataset corresponding to an integrated luminosity of 1.1 fb-1.
| Author | : Daniel J. Duggan |
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| Release | : 2009 |
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Download Measurements of the Differential Cross Sections for the Inclusive Production of a Photon and Heavy Flavor Jet Book in PDF, ePub and Kindle
ABSTRACT: This thesis presents the first measurement of the differential production cross section of a heavy flavor (bottom or charm) jet and direct photon at the Fermilab Tevatron. These measurements were performed using data recorded with the D0 detector from proton-antiproton collisions at a center of mass energy of sqrt(s) = 1.96 TeV. These results probe a kinematic range for the photon transverse momentum of 30 to 150 GeV and photon rapidity y
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| Total Pages | : 33 |
| Release | : 2013 |
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Download Measurement of the Triple-differential Cross Section for Photon+jets Production in Proton-proton Collisions at $\sqrt{s}$ Book in PDF, ePub and Kindle
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| Total Pages | : 168 |
| Release | : 2009 |
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Download Measurements of the Differential Cross Sections for the Inclusive Production of a Photon and Heavy Flavor Jet Book in PDF, ePub and Kindle
This thesis presents the first measurement of the differential production cross section of a heavy flavor (bottom or charm) jet and direct photon at the Fermilab Tevatron. These measurements were performed using data recorded with the D0 detector from proton-antiproton collisions at a center of mass energy of √s = 1.96 TeV. These results probe a kinematic range for the photon transverse momentum of 30
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| Release | : 2012 |
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Download Measurement of the Differential Photon + $c$-jet Cross Section and the Ratio of Differential Photon+ $c$ and Photon+ $b$ Cross Sections in Proton-antiproton Collisions at $\sqrt{s} Book in PDF, ePub and Kindle
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| Total Pages | : 26 |
| Release | : 2014 |
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Download Differential Cross Section Measurements for the Production of a W Boson in Association with Jets in Proton-proton Collisions at $\sqrt S Book in PDF, ePub and Kindle
Our measurements are reported of differential cross sections for the production of a W boson, which decays into a muon and a neutrino, in association with jets, as a function of several variables, including the transverse momenta (pT) and pseudorapidities of the four leading jets, the scalar sum of jet transverse momenta (HT), and the difference in azimuthal angle between the directions of each jet and the muon. Furthermore, the data sample of pp collisions at a centre-of-mass energy of 7 TeV was collected with the CMS detector at the LHC and corresponds to an integrated luminosity of 5.0 fb-1. The measured cross sections are compared to predictions from Monte Carlo generators, MADGRAPH + PYTHIAand SHERPA, and to next-to-leading-order calculations from BLACKHAT + SHERPA. The differential cross sections are found to be in agreement with the predictions, apart from the pT distributions of the leading jets at high pT values, the distributions of the HT at high-HT and low jet multiplicity, and the distribution of the difference in azimuthal angle between the leading jet and the muon at low values.
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| Total Pages | : 206 |
| Release | : 2011 |
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Download Measurement of the Differential Dijet Production Cross Section in Proton-proton Collisions at Book in PDF, ePub and Kindle
A measurement of the double-differential inclusive dijet production cross section in proton-proton collisions at sqrt(s)=7 TeV is presented as a function of the dijet invariant mass and jet rapidity. The data correspond to an integrated luminosity of 36 inverse picobarns, recorded with the CMS detector at the LHC. The measurement covers the dijet mass range 0.2 TeV to 3.5 TeV and jet rapidities up to.
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| Total Pages | : 223 |
| Release | : 2015 |
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Download Measurement of the Inclusive 3-jet Production Differential Cross Section in Proton-proton Collisions at 7 TeV and Determination of the Strong Coupling Constant in the TeV Range Book in PDF, ePub and Kindle
This paper presents a measurement of the inclusive 3-jet production differential cross section at a proton-proton centre-of-mass energy of 7 TeV using data corresponding to an integrated luminosity of 5 fb$^{-1}$ collected with the CMS detector. The analysis is based on the three jets with the highest transverse momenta. The cross section is measured as a function of the invariant mass of the three jets in a range of 445-3270 GeV and in two bins of the maximum rapidity of the jets up to a value of 2. A comparison between the measurement and the prediction from perturbative QCD at next-to-leading order is performed. Within uncertainties, data and theory are in agreement. The sensitivity of the observable to parameters of the theory such as the parton distribution functions of the proton and the strong coupling constant $\alpha_S$ is studied. A fit to all data points with 3-jet masses larger than 664 GeV gives a value of the strong coupling constant of $\alpha_S(M_\mathrm{Z})$ = 0.1171 $\pm$ 0.0013 (exp) $^{+0.0073}_{-0.0047}$ (theo).
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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.
