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Title: Search for the rare decay W{sup {plus_minus}}{r_arrow}{pi}{sup {plus_minus}}+{gamma} in proton-antiproton collisions at {radical}(s) =1.8 TeV

We have searched for the rare decay W{sup {plus_minus}}{r_arrow}{pi}{sup {plus_minus}}+{gamma} in 83 pb{sup {minus}1} of data taken in proton-antiproton collisions at {radical}(s) =1.8 TeV with the Collider Detector at Fermilab. We find three events in the signal region and estimate the background to be 5.2{plus_minus}1.5 events. We set a 95{percent} confidence level upper limit of 7{times}10{sup {minus}4} on the ratio of partial widths, {Gamma}(W{sup {plus_minus}}{r_arrow}{pi}{sup {plus_minus}}+{gamma})/{Gamma}(W{sup {plus_minus}}{r_arrow}e{sup {plus_minus}}+{nu}). {copyright} {ital 1998} {ital The American Physical Society}
Authors:
; ; ; ; ;  [1] ; ; ; ; ;  [2] ; ; ; ; ;  [3] ; ; ;  [4] ; more »; ; ; ; ; ;  [5] ; ; ; ; ; ;  [6] ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;  [7] ; ; ; ;  [8] ; ; ; ; ; ; ; ;  [9] ; ; ;  [10] ; ; ; ; ; ; ; « less
  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:
656296
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review, D; Journal Volume: 58; Journal Issue: 3; Other Information: PBD: Aug 1998
Country of Publication:
United States
Language:
English
Subject:
66 PHYSICS; PROTON-PROTON INTERACTIONS; PROTON-ANTIPROTON INTERACTIONS; PARTICLE PRODUCTION; W MINUS BOSONS; W PLUS BOSONS; TEV RANGE; ELECTROMAGNETIC PARTICLE DECAY; FERMILAB; WIDTH; PIONS PLUS; PIONS MINUS