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Title: Measurement of the {ital {sigma}}thinsp({ital W}+ {ge}1 Jet)thinsp/{ital {sigma}}thinsp({ital W}) Cross Section Ratio from {ovr {ital p}}{ital p} Collisions at {radical} ({ital s}) =1.8 TeV

The ratio of the W+{ge}1 jet cross section to the inclusive W cross section is measured using W{sup {plus_minus}}{r_arrow}e{sup {plus_minus}}{nu} events from {ovr p}p collisions at {radical} (s) =1.8 TeV . The data are from 108 pb{sup {minus}1} of integrated luminosity collected with the Collider Detector at Fermilab. Measurements of the cross section ratio for jet transverse energy thresholds (E{sup min}{sub T}) ranging from 15 to 95thinspthinspGeV are compared to theoretical predictions using next-to-leading-order QCD calculations. Data and theory agree well for E{sup min}{sub T}{gt}25 GeV , where the predictions lie within 1 standard deviation of the measured values. {copyright} {ital 1998} {ital The American Physical Society }
Authors:
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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 Carolina 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 Nucleare, I-00044 Frascati (Italy)
  10. University of Geneva, CH-1211 Geneva 4 (Switzerland)
Publication Date:
OSTI Identifier:
656315
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review Letters; Journal Volume: 81; Journal Issue: 7; Other Information: PBD: Aug 1998
Country of Publication:
United States
Language:
English
Subject:
66 PHYSICS; PROTON-PROTON INTERACTIONS; QUANTUM CHROMODYNAMICS; TEV RANGE 01-10; PROTON-ANTIPROTON INTERACTIONS; JET MODEL; CROSS SECTIONS; INCLUSIVE INTERACTIONS; FERMILAB COLLIDER DETECTOR; LEPTONIC DECAY; LUMINOSITY; W PLUS BOSONS; TRANSVERSE ENERGY