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Title: Search for first generation leptoquark pair production in the electron + missing energy + jets final state

We present a search for the pair production of first generation scalar leptoquarks (LQ) in data corresponding to an integrated luminosity of 5.4 fb-1 collected with the D0 detector at the Fermilab Tevatron Collider in pp collisions at √s = 1.96 TeV. In the channel LQLQ → eqνeq, where q,q are u or d quarks, no significant excess of data over background is observed, and we set a 95% C.L. lower limit of 326 GeV on the leptoquark mass, assuming equal probabilities of leptoquark decays to eq and νeq.
Authors:
 [1]
  1. et al.
Publication Date:
OSTI Identifier:
1021500
Report Number(s):
FERMILAB-PUB--11-316-E
Journal ID: ISSN 1550-7998; arXiv eprint number arXiv:1107.1849; TRN: US1104011
Grant/Contract Number:
AC02-07CH11359
Type:
Accepted Manuscript
Journal Name:
Physical Review. D, Particles, Fields, Gravitation and Cosmology
Additional Journal Information:
Journal Volume: 84; Journal ID: ISSN 1550-7998
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:
D0 Collaboration
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; D QUARKS; ELECTRONS; FERMILAB TEVATRON; LUMINOSITY; PAIR PRODUCTION; SCALARS Experiment-HEP