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

Search for Randall-Sundrum Gravitons in the Diphoton Channel at CDF.
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Total Pages : 8
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ISBN-10 : OCLC:727179939
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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 and published by . This book was released on 2010 with total page 8 pages. 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.


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