Dijet Production by Color-Singlet Exchange at the Fermilab Tevatron

Journal Article · Sat Jan 31 23:00:00 EST 1998 · Physical Review Letters

OSTI ID:627539

Blair, R E; Byrum, K L; Crane, D; Kuhlmann, S E; LeCompte, T ^[1]; Bolognesi, V; Breccia, L; Deninno, M; Fiori, I; Mazzanti, P ^[2]; Behrends, S; Bensinger, J; Blocker, C; Kirsch, L; Lamoureux, J I ^[3]; Bonushkin, Y; Hauser, J; Keyvan, F; Lindgren, M ^[4]; Berryhill, J ; Contreras, M; Culbertson, R; Frisch, H; Grosso-Pilcher, C; Hohlmann, M; Kopp, S ^[5]; Cronin-Hennessy, D; Dittmann, J R; Goshaw, A T; Hauger, S A; Kowald, W ^[6]; Albrow, M G; Atac, M; Beretvas, A; Berge, J P; Biery, K; Binkley, M; Buckley-Geer, E; Byon-Wagner, A; Campagnari, C; Cihangir, S; Cooper, J; DeJongh, F; Delchamps, S; Demina, R; Derwent, P F; Elias, J E; Flaugher, B; Foster, G W; Freeman, J; Geer, S; Hahn, S R; Harris, R M; Hylen, J; Incandela, J; Jensen, H; Joshi, U; Kennedy, R D; Kephart, R; Keutelian, H; Kim, D H; Koska, W; Kovacs, E; Kroll, J; Lammel, S; Lewis, J D; Limon, P; Lukens, P; Maeshima, K; Marriner, J P; Miao, T; Mukherjee, A; Nelson, C ^[7]; Konigsberg, J; Korytov, A ^[8]; Barone, M; Barzi, E; Bertolucci, S; Cordelli, M; Happacher, F; Miscetti, S ^[9]; Clark, A G; Couyoumtzelis, C; Kambara, H ^[10]; Baumann, T; Franklin, M; Gay, C; Gordon, A; Hamilton, R; Huth, J; Kestenbaum, D; others, and

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1. Argonne National Laboratory, Argonne, Illinois 60439 (United States)
2. Istituto Nazionale di Fisica Nucleare, University of Bologna, I-40127 Bologna (Italy)
3. Brandeis University, Waltham, Massachusetts 02254 (United States)
4. University of California at Los Angeles, Los Angeles, California 90024 (United States)
5. University of Chicago, Chicago, Illinois 60637 (United States)
6. Duke University, Durham, North , California 27708 (United States)
7. Fermi National Accelerator Laboratory, Batavia, Illinois 60510 (United States)
8. University of Florida, Gainesville, Florida 32611 (United States)
9. Laboratori Nazionali di Frascati, Istituto Nazionale di Fisica Nuclear, I-00044 Frascati (Italy)
10. University of Geneva, CH-1211 Geneva 4 (Switzerland)

We report a new measurement of dijet production by color-singlet exchange in p{ovr p} collisions at {radical}(s)=1.8 TeV at the Fermilab Tevatron. In a sample of events with two jets of transverse energy E{sup jet}{sub T}{gt}20 GeV , pseudorapidity in the range 1.8{lt}{vert_bar}{eta}{sup jet}{vert_bar}{lt}3.5 , and {eta}{sub 1}{eta}{sub 2}{lt}0 , we find that a fraction R=[1.13{plus_minus}0.12(stat){plus_minus} 0.11(syst)]{percent} has a pseudorapidity gap within {vert_bar}{eta}{vert_bar}{lt}1 between the jets that can be attributed to color-singlet exchnage. The fraction R shows no significant dependence on E{sup jet}{sub T} or on the pseudorapidity separation between the jets. {copyright} {ital 1998} {ital The American Physical Society}

• OSTI ID: 627539
• Journal Information: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 6 Vol. 80; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
COLOR MODEL
EXCHANGE INTERACTIONS
FERMILAB TEVATRON
JETS
PARTICLE PRODUCTION
PARTICLE RAPIDITY
PROTON-ANTIPROTON INTERACTIONS
TRANSVERSE ENERGY