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First Search for Multijet Resonances in sqrt[s]=1.96 TeV pp[over ¯] Collisions
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(2011) First Search for Multijet Resonances in sqrt[s]=1.96 TeV pp[over ¯] Collisions. Physical Review Letters, Vol. 107 (No. 4). doi:10.1103/PhysRevLett.107.042001 Research output not available from this repository, contact author.
Official URL: http://dx.doi.org/10.1103/PhysRevLett.107.042001
Abstract
We present the first model independent search for three-jet hadronic resonances within multijet events in √s=1.96 TeV pp̅ collisions at the Fermilab Tevatron using the CDF II detector. Pair production of supersymmetric gluinos and squarks with hadronic R-parity violating decays is employed as an example of a new physics benchmark for this signature. Selection criteria based on the kinematic properties of an ensemble of jet combinations within each event help to extract signal from copious QCD background. No significant excess outside the top quark mass window is observed in data with an integrated luminosity of 3.2 fb-1. We place 95% confidence level limits on the production cross section σ(pp̅ →XX′)×BR(g˜g˜→3 jet+3 jet) where X, X′=g˜, q˜, or q̅ ˜, with q˜, q̅ ˜→g˜+jet, as a function of gluino mass, in the range of 77 GeV/c2 to 240 GeV/c2.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science > Physics | ||||
| Journal or Publication Title: | Physical Review Letters | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 0031-9007 | ||||
| Official Date: | 2011 | ||||
| Dates: |
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| Volume: | Vol. 107 | ||||
| Number: | No. 4 | ||||
| DOI: | 10.1103/PhysRevLett.107.042001 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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