Search for exclusive gammagamma production in Hadron-Hadron collisions.
Publication
, Journal Article
Aaltonen, T; Abulencia, A; Adelman, J; Affolder, T; Akimoto, T; Albrow, MG; Amerio, S; Amidei, D; Anastassov, A; Anikeev, K; Annovi, A; Cho, I ...
Published in: Physical review letters
December 2007
We have searched for exclusive gammagamma production in proton-antiproton collisions at sqrt[s]=1.96 TeV, using 532 pb(-1) of integrated luminosity taken by the run II Collider Detector at Fermilab. The event signature requires two electromagnetic showers, each with transverse energy E(T)>5 GeV and pseudorapidity |eta|<1.0, with no other particles detected in the event. Three candidate events are observed. We discuss the consistency of the three events with gammagamma, pi(0)pi(0), or eta eta production. The probability that other processes fluctuate to >or=3 events is 1.7x10(-4). An upper limit on the cross section of pp-->p + gammagamma + p production is set at 410 fb with 95% confidence level.
Duke Scholars
Published In
Physical review letters
DOI
EISSN
1079-7114
ISSN
0031-9007
Publication Date
December 2007
Volume
99
Issue
24
Start / End Page
242002
Related Subject Headings
- General Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 40 Engineering
- 09 Engineering
- 02 Physical Sciences
- 01 Mathematical Sciences
Citation
APA
Chicago
ICMJE
MLA
NLM
Aaltonen, T., Abulencia, A., Adelman, J., Affolder, T., Akimoto, T., Albrow, M. G., … Shochet, M. (2007). Search for exclusive gammagamma production in Hadron-Hadron collisions. Physical Review Letters, 99(24), 242002. https://doi.org/10.1103/physrevlett.99.242002
Aaltonen, T., A. Abulencia, J. Adelman, T. Affolder, T. Akimoto, M. G. Albrow, S. Amerio, et al. “Search for exclusive gammagamma production in Hadron-Hadron collisions.” Physical Review Letters 99, no. 24 (December 2007): 242002. https://doi.org/10.1103/physrevlett.99.242002.
Aaltonen T, Abulencia A, Adelman J, Affolder T, Akimoto T, Albrow MG, et al. Search for exclusive gammagamma production in Hadron-Hadron collisions. Physical review letters. 2007 Dec;99(24):242002.
Aaltonen, T., et al. “Search for exclusive gammagamma production in Hadron-Hadron collisions.” Physical Review Letters, vol. 99, no. 24, Dec. 2007, p. 242002. Epmc, doi:10.1103/physrevlett.99.242002.
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Search for exclusive gammagamma production in Hadron-Hadron collisions. Physical review letters. 2007 Dec;99(24):242002.
Published In
Physical review letters
DOI
EISSN
1079-7114
ISSN
0031-9007
Publication Date
December 2007
Volume
99
Issue
24
Start / End Page
242002
Related Subject Headings
- General Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 40 Engineering
- 09 Engineering
- 02 Physical Sciences
- 01 Mathematical Sciences