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Title: Search for Quark-Lepton Compositeness in the Dimuon Final State at DØ

Thesis/Dissertation ·
DOI:https://doi.org/10.2172/878944· OSTI ID:878944
 [1]
  1. Univ. of Notre Dame, IN (United States). Dept. of Physics

We used the upgraded DØ detector at the Tevatron at √s = 1.96 TeV to collect data in a search for a compositeness signature of quarks and leptons. This analysis uses an integrated luminosity of 400 pb-1. The high-mass dimuon mass spectrum is compared with that predicted by Drell-Yan (DY) scattering, modified by a contact interaction. This interaction is parameterized by a compositeness energy scale factor Λ. Preliminary limits on Λ are set at the 95% confidence level for constructive and destructive interference between the DY amplitude and the contact interaction for various quark and lepton chiralities.

Research Organization:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-76CH03000
OSTI ID:
878944
Report Number(s):
FERMILAB-THESIS-2005-40; TRN: US0700942
Country of Publication:
United States
Language:
English