Type of Document	Dissertation
Author	Lazoflores, Jose Andres
Author's Email Address	laflores@hep.fsu.edu
URN	etd-05082006-154106
Title	Search for Large Extra Dimensions in the Exclusive Photon + Missing Energy Channel in Proton-Antiproton Collisions
Degree	Doctor of Philosophy
Department	Physics, Department of
Advisory Committee	Advisor Name Title Vasken Hagopian Committee Chair Sharon Hagopian Committee Co-Chair Gregory A. Riccardi Committee Member Howard Baer Committee Member Simon Capstick Committee Member
Keywords	Large Extra Dimensions Search Proton-Antiproton Collisions Photon
Date of Defense	2006-04-28
Availability	unrestricted
Abstract A search was conducted for evidence of large extra dimensions (LED) at Fermi National Accelerator Laboratory's Tevatron using the D0 detector. The Tevatron is a proton-antiproton collider at a center of mass energy of 1.96 TeV. Events with particles escaping into extra dimensions will have large missing energy. The search was carried out using data from a total luminosity of 197 +- 13 inverse pb with an observable high transverse momentum photon and large transverse missing energy. The 70 observed events are consistent with photons produced by standard known reactions plus other background processes produced by cosmic muons. The mass limits on the fundamental mass scale at 95% confidence level for large extra dimensions of 2, 4, 6 and 8 are 500 GeV, 581 GeV, 630 GeV, and 668 GeV respectively.
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