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DOI 10.2172/102430
Title Diphoton production in p{bar p} collisions at {radical}s = 1.8 TeV
Creator/Author Abachi, S. ; D0 Collaboration
Publication Date1995 Jul 01
OSTI IdentifierOSTI ID: 100260; Legacy ID: DE95016644
Report Number(s)FNAL/C--95/251-E; CONF-9508155--4
DOE Contract NumberAC02-76CH03000
DOI10.2172/102430
Other Number(s)Other: ON: DE95016644
Resource TypeConference
Resource RelationConference: 17. international symposium on lepton-photon interactions, Beijing (China), 10-15 Aug 1995; Other Information: PBD: Jul 1995
Research OrgFermi National Accelerator Lab., Batavia, IL (United States)
Sponsoring OrgUSDOE, Washington, DC (United States);National Science Foundation, Washington, DC (United States);CEA, 75 - Paris (France);Russian Atomic Energy Commission, Moscow (Russian Federation);Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq), Sao Paulo, SP (Brazil);Department of Atomic Energy, Bombay (India). Atomic Minerals Div.;Calciencias;Consejo Nacional de Ciencia y Tecnologia (CONACYT), Mexico City (Mexico);Korea Science and Engineering Foundation (Korea, Republic of);Sloan (Alfred P.) Foundation, New York, NY (United States);Department of Science and Tech., New Delhi (India);Department of Education (India)
Subject66 PHYSICS; PHOTONS; PAIR PRODUCTION; DIFFERENTIAL CROSS SECTIONS; PROTON-ANTIPROTON INTERACTIONS; TEV RANGE 01-10; QUANTUM CHROMODYNAMICS; FERMILAB TEVATRON
Description/AbstractWe present measurements of the inclusive {gamma}{gamma} cross section (as a function of invariant mass and photon {epsilon}{sub {tau}}), in p{bar p} collisions at {radical}s = 1.8 TeV, made using the D0 detector at the Fermilab Tevatron collider. The next is leading order (NLO) QCD prediction is found to be in good agreement with the data. The effects of invariant mass and diphoton balance cuts, which test the next-to-leading order contributions to the cross section, are investigated. We also compare the distribution of {kappa}{sub {tau}} between samples of diphotons and highly electromagnetic jets, and find that the NLO QCD prediction models the shape of the {gamma}{gamma} {kappa}{sub {tau}} distribution quite well.
Country of PublicationUnited States
LanguageEnglish
FormatMedium: P; Size: 9 p.
Availability INIS; OSTI as DE95016644
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System Entry Date2008 May 12
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