Fragmentation Properties Of Jets Produced In Proton Antiproton Collisions At Radical S
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| Total Pages | : 112 |
| Release | : 1989 |
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Download Fragmentation Properties of Jets Produced in Proton-antiproton Collisions at Radical S Book in PDF, Epub and Kindle
Jet fragmentation properties have been studied in collisions of protons and antiprotons at a center-of-mass energy of 1.8 TeV, using the Collider Detector at Fermilab (CDF). The fractional momentum distribution of charged particles within jets is presented and compared with Monte-Carlo predictions. With increasing di-jet invariant mass from 60 to 200 GeV/c2 the fragmentation is observed to soften as predicted by scale breaking effects in Quantum Chromodynamics (QCD). The charged multiplicity in the jet core is observed to rise with di-jet invariant mass. 57 refs.
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| Total Pages | : 140 |
| Release | : 2007 |
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Download Fragmentation of Jets Produced in Proton-Antiproton Collisions at $\sqrt{s} Book in PDF, Epub and Kindle
We present the first measurement of two-particle momentum correlations in jets produced in p$\bar{p}$ collisions at center of mass energy of 1.96 TeV. A comparison of the experimental data to theoretical predictions obtained for partons within the framework of resummed perturbative QCD (Next-to-Leading Log Approximation) shows that the predicted parton momentum correlations survive the hadronization stage of jet fragmentation and are present at the hadron level. We also present the measurement of the intrinsic transverse momenta of particles with respect to jet axis (kT). Experimental data is compared to the theoretical predictions obtained for partons within the framework of Modified Leading Log Approximation and Next-to-Modified Leading Log Approximation, and shows good agreement in the range of validity of the theoretical predictions. The results of both measurements indicate that the perturbative stage of the jet formation must be dominant and give further support to the hypothesis of Local Parton-Hadron Duality.
| Author | : Sergo R. Jindariani |
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| Release | : 2007 |
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Download Fragmentation of Jets Produced in Proton-antiproton Collisions at [center of Mass Energy] Book in PDF, Epub and Kindle
ABSTRACT: We present the first measurement of two-particle momentum correlations in jets produced in proton-antiproton collisions at center of mass energy of 1.96 TeV. A comparison of the experimental data to theoretical predictions obtained for partons within the framework of resummed perturbative QCD (Next-to-Leading Log Approximation) shows that the predicted parton momentum correlations survive the hadronization stage of jet fragmentation and are present at the hadron level. We also present the measurement of the intrinsic transverse momenta of particles with respect to jet axis (k [subscript T]). Experimental data is compared to the theoretical predictions obtained for partons within the framework of Modified Leading Log Approximation and Next-to-Modified Leading Log Approximation, and shows good agreement in the range of validity of the theoretical predictions. The results of both measurements indicate that the perturbative stage of the jet formation must be dominant and give further support to the hypothesis of Local Parton-Hadron Duality.
| Author | : Bradley Hubbard |
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| Total Pages | : 246 |
| Release | : 1989 |
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Download Fragmentation Properties of Jets Produced in Pp Collisions at [square Root Sign] S Book in PDF, Epub and Kindle
| Author | : Alexandre P. Pronko |
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| Release | : 2005 |
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Download Fragmentation of Quark and Gluon Jets in Proton-antiproton Collisions at Center-of-mass Energy of 1.8 TeV Book in PDF, Epub and Kindle
ABSTRACT: We report the first model independent measurement of charged particle multiplicities in quark and gluon jets, Nq_ and Ng_, produced at the Tevatron in proton-antiproton collisions with center-of-mass energy 1.8 TeV and recorded by the Collider Detector at Fermilab. The measurements are made for jets with average energies 41 and 53 GeV by counting charged particle tracks in cones with opening angle of thetac_=0.28, 0.36, and 0.47 rad around the jet axis. The corresponding jet hardness Q=Ej_et*thetac_ varies in the range from 12 GeV to 25 GeV. At Q=19.2 GeV, the ratio of multiplicities r=Ng_/Nq_ is found to be 1.64"0.17, where statistical and systematic uncertainties are added in quadrature. The results are in agreement with re-summed perturbative QCD calculations and are consistent with recent ee− measurements.
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| Total Pages | : 8 |
| Release | : 1997 |
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Download Jet Fragmentation Properties at the Tevatron Book in PDF, Epub and Kindle
Preliminary CDF results on inclusive momentum distributions of charged particles in high transverse momentum jets produced in {anti p}p collisions at (square root)s=1.8 TeV at the Tevatron are presented and compared with QCD predictions based on the Modified Leading Log Approximation.
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| Total Pages | : 8 |
| Release | : 1989 |
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Download Jets, W's, and Z's at Radical S Book in PDF, Epub and Kindle
Jet production and electroweak vector boson production have been observed in proton-antiproton collisions at the Fermilab Tevatron Collider. The inclusive jet cross section has been measured for jets up to transverse energies of 400 GeV, and is compared to QCD predictions. W and Z particle production has been observed and studies of their masses are described. 3 refs., 4 figs.
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| Release | : 1986 |
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Download Properties of Muons and Jets in Proton-antiproton Collisions at 540 and 630 GeV Centre of Mass Energy Book in PDF, Epub and Kindle
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| Total Pages | : 7 |
| Release | : 2011 |
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Download Study of Substructure of High Transverse Momentum Jets Produced in Proton-Antiproton Collisions at $\sqrt{s} Book in PDF, Epub and Kindle
| Author | : Robert Brian Drucker |
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| Total Pages | : 542 |
| Release | : 1993 |
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Download Properties of W + Jet Events in Proton-antiproton Collisions at 1.8 TeV Book in PDF, Epub and Kindle
