Search for new particles decaying into dijets in proton-antiproton collisions at s**(1/2) = 1.96-TeV - INSPIRE

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Search for new particles decaying into dijets in proton-antiproton collisions at s**(1/2) = 1.96-TeV

CDF

Collaboration

Dec, 2008

10 pages

Published in:

Phys.Rev.D 79 (2009) 112002

e-Print:

0812.4036 [hep-ex]

DOI:

10.1103/PhysRevD.79.112002

PDG: Mass Limits for

{{\mathit g}_{{{A}}}}

(axigluon) and Other Color-Octet Gauge Bosons

Report number:

FERMILAB-PUB-08-572-E

Experiments:

FNAL-E-0830

View in:

reference search426 citations

Citations per year

Abstract: (arXiv)

We present a search for new particles whose decays produce two jets (dijets) using proton-antiproton collision data corresponding to an integrated luminosity of 1.13 fb-1 collected with the CDF II detector. The measured dijet mass spectrum is found to be consistent with next-to-leading-order perturbative QCD predictions, and no significant evidence of new particles is found. We set upper limits at the 95% confidence level on cross sections times the branching fraction for the production of new particles decaying into dijets with both jets having a rapidity magnitude |y| < 1. These limits are used to determine the mass exclusions for the excited quark, axigluon, flavor-universal coloron, E6 diquark, color-octet technirho, W', and Z'.

Note:

10 pages, 4 figures

13.85.Rm
14.80.-j
14.70.Pw
jet: pair production
quantum chromodynamics: perturbation theory
anti-p p: interaction
new particle: decay
channel cross section: branching ratio
technirho
axigluon

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