Diffractive Dijets with a Leading Antiproton in p(bar sign) p Collisions at {radical}(s) =1800 GeV

Journal Article · Mon May 29 00:00:00 EDT 2000 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.84.5043· OSTI ID:20216609

Affolder, T ^[1]; Akimoto, H ^[2]; Akopian, A ^[3]; Albrow, M G ^[4]; Amaral, P ^[5]; Amendolia, S R ^[6]; Amidei, D ^[7]; Anikeev, K ^[8]; Antos, J ^[9]; Apollinari, G ^[3]

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1. Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, California 94720 (United States)
2. Waseda University, Tokyo 169, (Japan)
3. Rockefeller University, New York, New York 10021 (United States)
4. Fermi National Accelerator Laboratory, Batavia, Illinois 60510 (United States)
5. Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637 (United States)
6. Istituto Nazionale di Fisica Nucleare, University and Scuola Normale Superiore of Pisa, I-56100 Pisa, (Italy)
7. University of Michigan, Ann Arbor, Michigan 48109 (United States)
8. Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 (United States)
9. Institute of Physics, Academia Sinica, Taipei, Taiwan 11529, Republic of China (China)

We report results from a study of events with a leading antiproton of beam momentum fraction 0.905<x{sub F}<0.965 and 4-momentum transfer squared |t|<3 GeV{sup 2} produced in p(bar sign) p collisions at {radical}(s)=1800 GeV at the Fermilab Tevatron collider. Approximately 2% of the events contain two jets of transverse energy E{sup jet}{sub T}>7 GeV . Using the dijet events, we evaluate the diffractive structure function of the antiproton and compare it with expectations based on results obtained in diffractive deep inelastic scattering experiments at the DESY ep collider HERA. (c) 2000 The American Physical Society.

• OSTI ID: 20216609
• Journal Information: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 22 Vol. 84; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
DEEP INELASTIC SCATTERING
EXPERIMENTAL DATA
FERMILAB TEVATRON
JET MODEL
PARTON MODEL
PROTON-ANTINEUTRON INTERACTIONS
STRUCTURE FUNCTIONS