Search For New Physics In Dilepton And Diphoton Final States At Cdf
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| Author | : Xin Wu |
| Publisher | : |
| Total Pages | : 4 |
| Release | : 2005 |
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| ISBN | : |
Download Search for New Physics in Dilepton and Diphoton Final States at CDF. Book in PDF, Epub and Kindle
The CDF detector has accumulated a large data sample of p{bar p} collisions at {radical}s = 1.96 TeV at the Fermilab Tevatron. In this report we present the results of searches for physics beyond the Standard Model using final states of 2 leptons or 2 photons using 190 pb{sup -1} to 448 pb{sup -1} of data. No deviation from the predictions of Standard Model was observed. The non-observation was used to derive cross section limits on contributions to these final states from possible new physics processes. For many specific new physics models, such as Z', Randall-Sundrum Graviton, Large Extra Dimensions and SUSY, these cross section limits can be used to place strong constraints on their parameters.
| Author | : |
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| Total Pages | : 4 |
| Release | : 2010 |
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Download Searches in Dilepton Final States at CDF. Book in PDF, Epub and Kindle
Event signatures with two oppositely or same-sign charged leptons are predicted in many new physics scenarios. Such events could arise from chargino-neutralino production, in decays of pair produced supersymmetric top quarks, additional massive vector bosons or exotic heavy quarks. We present the most recent results from the CDF experiment on searches for physics beyond the Standard Model in events with two leptons in the final state produced in p{bar p} collisions at (square root)s = 1.96 TeV at Fermilab Tevatron.
| Author | : S. Bentvelsen |
| Publisher | : Elsevier |
| Total Pages | : 1004 |
| Release | : 2012-12-02 |
| Genre | : Science |
| ISBN | : 0444599169 |
Download Proceedings of the 31st International Conference on High Energy Physics ICHEP 2002 Book in PDF, Epub and Kindle
The first precision measurements on CP violation in the B system are reported. Both the BELLE and the BABAR collaboration presented, among others, results for sin 2ß with much improved accuracy. Results from the Sudbury Neutrino Observatory, SNO, also deserve to be mentioned. The convincing evidence of solar neutrino oscillations had been presented by SNO prior to the conference; a full presentation was given at the conference. An incredibly precise measurement of the anomalous magnetic moment of the muon is reported, a fresh result from the Brookhaven National Laboratory. Apart from these distinct physics highlights, there are also the first results from the new Tevatron run and from the relativistic heavy ion collider RHIC. Theorists write of our ever better understanding of the Standard Model and of what might lie beyond. Risky as it is to highlight only a couple of exciting subjects, it is merely meantto whet the appetite for further reading.
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| Total Pages | : 4 |
| Release | : 2009 |
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Download Search for New Physics at CDF. Book in PDF, Epub and Kindle
We present the current status of the search for new physics at CDF, using integrated luminosity up to 3.2 fb−1. We cover searches for supersymmetry, extra dimensions, new heavy bosons, and generic dilepton resonances.
| Author | : Mario Paolo Giordani |
| Publisher | : |
| Total Pages | : 4 |
| Release | : 2005 |
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| ISBN | : |
Download Searches for New Physics at CDF. Book in PDF, Epub and Kindle
The search for physics beyond the Standard Model is one of the primary motivations of the Run II at the Tevatron. The CDF collaboration has been very active in this field by searching in a variety of final states for signals of new physics processes. The observation of no significant deviation from the Standard Model has led to limits on the cross-sections of the considered processes, which, in turn, have been used to constrain several models that predict such new physics scenarios.
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| Total Pages | : 57 |
| Release | : 1998 |
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Download Searches for New Physics in Diphoton Events in $p\bar{p}$ Collisions at $\sqrt{s} Book in PDF, Epub and Kindle
| Author | : D. Acosta |
| Publisher | : |
| Total Pages | : |
| Release | : 2004 |
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Download Top Physics Book in PDF, Epub and Kindle
We report on a search for anomalous kinematics of t{bar t} dilepton events in p{bar p} collisions at {radical}s = 1.96 TeV using 193 pb{sup -1} of data collected with the CDF II detector. We developed a new a priori technique designed to isolate the subset in a data sample revealing the largest deviation from standard model (SM) expectations and to quantify the significance of this departure. In the four-variable space considered, no particular subset shows a significant discrepancy and we find that the probability of obtaining a data sample less consistent with the SM than what is observed is 1.0-4.5%.
| Author | : |
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| Total Pages | : 26 |
| Release | : 2011 |
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Download Search for Large Extra Dimensions in the Diphoton Final State at the Large Hadron Collider Book in PDF, Epub and Kindle
A search for large extra spatial dimensions via virtual-graviton exchange in the diphoton channel has been carried out with the CMS detector at the LHC. No excess of events above the standard model expectations is found using a data sample collected in proton-proton collisions at sqrt(s) = 7 TeV and corresponding to an integrated luminosity of 36 inverse picobarns. New lower limits on the effective Planck scale in the range of 1.6-2.3 TeV at the 95% confidence level are set, providing the most restrictive bounds to date on models with more than two large extra dimensions.
| Author | : Peter D. Barnes |
| Publisher | : AIP Conference Proceedings / H |
| Total Pages | : 1216 |
| Release | : 2006-10-04 |
| Genre | : Science |
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Download Particles and Nuclei Book in PDF, Epub and Kindle
This is the proceedings of the 17th International Conference on Particles and Nuclei, Santa Fe, New Mexico, USA which was concerned with new developments in experimental and theoretical particle physics, nuclear physics, and cosmology, and the intersections of these fields which will help us understand our Universe more completely. The participants reported on new developments in instrumentation, including large-scale facilities, such as accelerators, that will be essential for future work.
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| Release | : 1979 |
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Download אפס חמש שלש Book in PDF, Epub and Kindle
