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Title: Invariant Mass Distribution of Jet Pairs Produced in Association with a W boson in pp-bar Collisions at √s= 1.96 TeV

We report a study of the invariant mass distribution of jet pairs produced in association with a W boson using data collected with the CDF detector which correspond to an integrated luminosity of 4.3 fb-1. The observed distribution has an excess in the 120-160 GeV/c2 mass range which is not described by current theoretical predictions within the statistical and systematic uncertainties. In this letter we report studies of the properties of this excess.
Authors:
 [1]
  1. et al.
Publication Date:
OSTI Identifier:
1011162
Report Number(s):
FERMILAB-PUB--11-164-E
Journal ID: ISSN 0031-9007; arXiv eprint number arXiv:1104.0699; TRN: US1102128
Grant/Contract Number:
AC02-07CH11359
Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 106; Journal Issue: 17; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Research Org:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Contributing Orgs:
CDF Collaboration
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; DISTRIBUTION; FERMILAB COLLIDER DETECTOR; INTERMEDIATE BOSONS; LUMINOSITY; MASS DISTRIBUTION Experiment-HEP