Search for Randall-Sundrum Gravitons in the Diphoton Channel at CDF.
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| Author | : |
| Publisher | : |
| Total Pages | : 8 |
| Release | : 2010 |
| ISBN-10 | : OCLC:727179939 |
| ISBN-13 | : |
| Rating | : 4/5 (39 Downloads) |
Book Synopsis Search for Randall-Sundrum Gravitons in the Diphoton Channel at CDF. by :
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.
