We have performed a search for new particles which decay
to two photons using 1.2 fb-1 of integrated luminosity from p anti-p
collisions at s**(1/2) = 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/M-bar_pl) of 0.01 and 0.1 respectively.
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Updated: Tuesday, 2007 October 30 11:01:16 CDT automatically from input from carol picciolo