Title
Search for high-mass diphoton states and limits on Randall-Sundrum gravitons at CDF Search for high-mass diphoton states and limits on Randall-Sundrum gravitons at CDF
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
New York, N.Y. ,
Subject
Physics
Source (journal)
Physical review letters. - New York, N.Y.
Volume/pages
99(2007) :17 , p. 171801,1-171801,7
ISSN
0031-9007
ISI
000250506000016
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We have performed a search for new particles which decay to two photons using 1.2  fb-1 of integrated luminosity from pp̅ collisions at √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/M̅ Pl) of 0.01 and 0.1, respectively.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/a5cda4/89dbe791.pdf
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