Limits on Extra Dimensions and New Particle Production in the Exclusive Photon and Missing Energy Signature in pp-bar Collisions at sqrt[s]=1.8 TeV
Publication
, Journal Article
al, DAE
Published in: Physical Review Letters
December 2002
The exclusive gamma E̸T signal has a small standard model cross section and is thus a channel sensitive to new physics. This signature is predicted by models with a superlight gravitino or with large extra spatial dimensions. We search for such signals at the Collider Detector at Fermilab, using 87 pb-1 of data at sqrt[s]=1.8 TeV, and extract 95% C.L. limits on these processes. A limit of 221 GeV is set on the scale |F|1/2 in supersymmetric models. For 4, 6, and 8 extra dimensions, model- dependent limits on the fundamental mass scale MD of 0.55, 0.58, and 0.60 TeV, respectively, are found. We also specify a "pseudo-model- independent" method of comparing the results to theoretical predictions.
Duke Scholars
Published In
Physical Review Letters
Publication Date
December 2002
Volume
89
Start / End Page
281801
Related Subject Headings
- General Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 40 Engineering
- 09 Engineering
- 02 Physical Sciences
- 01 Mathematical Sciences
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al, D. A. E. (2002). Limits on Extra Dimensions and New Particle Production in the Exclusive Photon and Missing Energy Signature in pp-bar Collisions at sqrt[s]=1.8 TeV. Physical Review Letters, 89, 281801.
al, D Acosta et. “Limits on Extra Dimensions and New Particle Production in the Exclusive Photon and Missing Energy Signature in pp-bar Collisions at sqrt[s]=1.8 TeV.” Physical Review Letters 89 (December 2002): 281801.
al DAE. Limits on Extra Dimensions and New Particle Production in the Exclusive Photon and Missing Energy Signature in pp-bar Collisions at sqrt[s]=1.8 TeV. Physical Review Letters. 2002 Dec;89:281801.
al, D. Acosta et. “Limits on Extra Dimensions and New Particle Production in the Exclusive Photon and Missing Energy Signature in pp-bar Collisions at sqrt[s]=1.8 TeV.” Physical Review Letters, vol. 89, Dec. 2002, p. 281801.
al DAE. Limits on Extra Dimensions and New Particle Production in the Exclusive Photon and Missing Energy Signature in pp-bar Collisions at sqrt[s]=1.8 TeV. Physical Review Letters. 2002 Dec;89:281801.
Published In
Physical Review Letters
Publication Date
December 2002
Volume
89
Start / End Page
281801
Related Subject Headings
- General Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 40 Engineering
- 09 Engineering
- 02 Physical Sciences
- 01 Mathematical Sciences