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Search for Randall-Sundrum Gravitons in the Diphoton Channel at CDF.

2010
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Release : 2010
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Book Synopsis Search for Randall-Sundrum Gravitons in the Diphoton Channel at CDF. by :

Download or read book Search for Randall-Sundrum Gravitons in the Diphoton Channel at CDF. written by . This book was released on 2010. Available in PDF, EPUB and Kindle. Book excerpt: We report on a search for new particles in the diphoton channel using a data sample of p{bar p} collisions at (square root)s = 1.96 TeV collected by the CDF II detector at the Fermilab Tevatron, with an integrated luminosity of 5.4 fb−1. The diphoton invariant mass spectrum of the data agrees well with the standard model expectation. We set upper limits on the production cross section times branching ratio for the Randall-Sundrum graviton, as a function of diphoton mass. We subsequently derive lower limits on the graviton mass of 482 GeV/c2 and 975 GeV/c2, at the 95% confidence level, for coupling parameters (k/{bar M}{sub Pl}) of 0.01 and 0.1 respectively.

Search for a High-mass Diphoton State and Limits on Randall-Sundrum Gravitons at CDF.

2007
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Release : 2007
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Book Synopsis Search for a High-mass Diphoton State and Limits on Randall-Sundrum Gravitons at CDF. by :

Download or read book Search for a High-mass Diphoton State and Limits on Randall-Sundrum Gravitons at CDF. written by . This book was released on 2007. Available in PDF, EPUB and Kindle. Book excerpt: We have performed a search for new particles which decay to two photons using 1.2 fb−1 of integrated luminosity from p{bar p} collisions at (square root)s=1.96 TeV collected using the CDF II Detector at the Fermilab Tevatron. We find the diphoton mass spectrum to be in agreement with the standard model expectation, and set limits on the cross section times branching ratio for the Randall-Sundrum graviton, as a function of diphoton mass. We subsequently derive lower limits for the graviton mass of 230 GeV/c2 and 850 GeV/c2, at the 95% confidence level, for coupling parameters (k/{bar M}{sub pl}) of 0.01 and 0.1 respectively.

Search for Randall-Sundrum Gravitions in 1.2 Fb-1 of Run II High Mass Diphoton Data at CDF.

2007
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Release : 2007
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Book Synopsis Search for Randall-Sundrum Gravitions in 1.2 Fb-1 of Run II High Mass Diphoton Data at CDF. by : Sara-Madge Violette Wynne

Download or read book Search for Randall-Sundrum Gravitions in 1.2 Fb-1 of Run II High Mass Diphoton Data at CDF. written by Sara-Madge Violette Wynne. This book was released on 2007. Available in PDF, EPUB and Kindle. Book excerpt:

Search for New Dielectron Resonances and Randall-Sundrum Gravitons at the Collider Detector at Fermilab

2011
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Release : 2011
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Book Synopsis Search for New Dielectron Resonances and Randall-Sundrum Gravitons at the Collider Detector at Fermilab by :

Download or read book Search for New Dielectron Resonances and Randall-Sundrum Gravitons at the Collider Detector at Fermilab written by . This book was released on 2011. Available in PDF, EPUB and Kindle. Book excerpt: A search for the new dielectron mass resonances using data recorded by the CDF II detector and corresponding to an integrated luminosity of 5.7 fb−1 is presented. No significant excess over the expected standard model prediction is observed. In this dataset, an event with the highest dielectron mass ever observed (960 GeV/c2) was recorded. The results are interpreted in the Randall-Sundrum (RS) model. Combined with the 5.4 fb−1 diphoton analysis, the RS-graviton mass limit for the coupling k/{bar M}{sub Pl} = 0.1 is 1058 GeV/c2, making it the strongest limit to date.

Searches for New Phenomena with Lepton Final States at the Tevatron

2007
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Release : 2007
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Book Synopsis Searches for New Phenomena with Lepton Final States at the Tevatron by :

Download or read book Searches for New Phenomena with Lepton Final States at the Tevatron written by . This book was released on 2007. Available in PDF, EPUB and Kindle. Book excerpt: Numerous searches for new phenomena have been carried out using data from proton-antiproton collisions at Fermilab's Tevatron. Final states with leptons give signatures which are relatively unique and generally have small backgrounds. We present many of the latest results from the CDF and D0 collaborations from 0.4-1.2 fb−1 of data. Topics include supersymmetry, extra gauge bosons, Randall-Sundrum gravitons, excited electrons and neutral, long-lived particles.

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