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| Release | : 1999 |
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Download Photon and Di-photon Results from CDF and Book in PDF, ePub and Kindle
Measurements by the Fermilab D0 and CDF collaborations of prompt photon events in p{anti p} collisions at √s = 1.8 TeV are reported. The measured isolated photon cross sections are compared to current parton distribution functions and NLO QCD predictions. The cross section ratio of forward to central [eta] bins and [eta] distributions are presented and compared with theoretical predictions. [gamma]+2jet events yield insight into final state radiation. A new measurement of [gamma]+[mu] events is presented which probes the charm content of the proton. Finally, di-photon results are presented as a probe of initial state radiation; these results are compared to NLO QCD, Pythia parton showers, and resummation models.
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| Release | : 2000 |
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Download Photon and Di-photon Results from CDF and DØ Book in PDF, ePub and Kindle
Measurements by the Fermilab D and CDF collaborations of prompt photon events in p[anti p] collisions at [radical]s = 1.8 TeV are reported. The measured isolated photon cross sections are compared to current parton distribution functions and NLO QCD predictions. The cross section ratio of forward to central [eta] bins and [eta] distributions are presented and compared with theoretical predictions. [gamma]+2jet events yield insight into final state radiation. A new measurement of [gamma]+[mu] events is presented which probes the charm content of the proton. Finally, di-photon results are presented as a probe of initial state radiation; these results are compared to NLO QCD, Pythia parton showers, and resummation models.
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| Release | : 2013 |
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Download Direct Photon Results from CDF. Book in PDF, ePub and Kindle
Direct (prompt) photon production is a field of very high interest in hadron colliders. It provides probes to search for new phenomena and to test QCD predictions. In this article, two recent cross-section results for direct photon production using the full CDF Run II data set are presented: diphoton production and photon production in association with a heavy quark.
| Author | : A. Bocci |
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| Total Pages | : 4 |
| Release | : 2004 |
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Download Diphoton and Photon + B/c Cross Sections at CDF II. Book in PDF, ePub and Kindle
A measurement of the rate of prompt diphoton production in p{bar p} collisions at {radical}s = 1.96 TeV using the CDF detector is presented. The results are compared to a NLO calculation. they also measured the {gamma} + b and {gamma} + c cross sections comparing the results with PYTHIA LO predictions. The background from non-prompt sources is estimated using a statistical method based on differences in electromagnetic showers initiated by photons and by the background.
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| Release | : 2005 |
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Download Diphoton and Photon + B/c Cross Sections at CDF II. Book in PDF, ePub and Kindle
A measurement of the rate of prompt diphoton production in p[bar p] collisions at [radical]s = 1.96 TeV using the CDF detector is presented. The results are compared to a NLO calculation. They also measured the [gamma] + b and [gamma] + c cross sections comparing the results with PYTHIA LO predictions. The background from non-prompt sources is estimated using a statistical method based on differences in electromagnetic showers initiated by photons and by the background.
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| Total Pages | : 8 |
| Release | : 1995 |
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Download Photon and Diphoton Production at CDF and Book in PDF, ePub and Kindle
Measurements of prompt photon production in {anti p}p collisions at √s = 1.8 TeV from the CDF and D0 experiments at Fermilab are presented. The measured inclusive isolated photon spectrum at CDF and D0 are used to test current parton distribution functions and NLO QCD predictions. No new resonance is found in the photon + jet mass spectrum from D0 which is consistent with NLO QCD predictions. The pseudorapidity distribution of the leading jet in photon events at CDF is used to constrain the parton distribution sets while the angular distribution is found to be better explained by a larger Bremsstrahlung contribution. The soft diphoton spectrum is compared to NLO QCD predictions. The diphoton system P{sub T} is found to agree better with the LO shower monte-carlo prediction of Pythia than NLO QCD. Finally, the [gamma] + charm cross section is measured and compared to the LO Pythia prediction.
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| Total Pages | : 13 |
| Release | : 1990 |
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Download Recent Results on Direct Photons from CDF (Collider Detector at Fermilab). Book in PDF, ePub and Kindle
We report on preliminary measurements of direct photons in {bar p}p collisions at (square root)s = 1.8 TeV from the 1988--89 run of the Collider Detector at Fermilab (CDF). The inclusive direct photon cross section, measured for photon transverse momentum in the range 13
| Author | : Alexander I Studenikin |
| Publisher | : World Scientific |
| Total Pages | : 481 |
| Release | : 2012-11-27 |
| Genre | : Science |
| ISBN | : 9814436844 |
Download Particle Physics At The Tercentenary Of Mikhail Lomonosov - Proceeding Of The Fifteenth Lomonosov Conference On Elementary Particle Physics Book in PDF, ePub and Kindle
This volume is devoted to a wide variety of investigations, both in theory and experiment, of particle physics such as electroweak theory, fundamental symmetries, tests of the Standard Model and beyond, neutrino and astroparticle physics, heavy quark physics, non-perturbative QCD, quantum gravity effects, and present and future accelerator physics.
| Author | : Moskovskiĭ gosudarstvennyĭ universitet im. M.V. Lomonosova |
| Publisher | : World Scientific |
| Total Pages | : 481 |
| Release | : 2013 |
| Genre | : Science |
| ISBN | : 9814436828 |
Download Particle Physics at the Tercentenary of Mikhail Lomonosov Book in PDF, ePub and Kindle
This volume is devoted to a wide variety of investigations, both in theory and experiment, of particle physics such as electroweak theory, fundamental symmetries, tests of the Standard Model and beyond, neutrino and astroparticle physics, heavy quark physics, non-perturbative QCD, quantum gravity effects, and present and future accelerator physics.
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| Release | : 2004 |
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Download New Physics Searches with Photons in CDF. Book in PDF, ePub and Kindle
A brief review of searches for physics beyond the Standard Model with photons using the CDF detector at the Tevatron is given here. These include searches for supersymmetry, extra dimensions, excited electrons and W/Z+[gamma] production, as well as anomalous photon production. Recent results from CDF Run II experiment are presented, but some results from Run I are also reviewed.
