First Search for Multijet Resonances in $\sqrt{s} = 1.96$ TeV $ p\bar{p}$ Collisions

Aaltonen, T.

doi:10.1103/PhysRevLett.107.042001

Title: First Search for Multijet Resonances in $$\sqrt{s} = 1.96$$ TeV $$ p\bar{p}$$ Collisions

Abstract

We present the first model independent search for three-jet hadronic resonances within multijet events in $$\sqrt{s} = 1.96$$ TeV $$ p\bar{p}$$ 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 kinetmatic properties of an ensemble of jet combinations within each event help to extract signal from copious QCD background. Our background estimates include all-hadronic t{anti t} decays that have a signature similar to the signal. No significant excess outside the top quark mass window is observed in data with an integrated luminosity of 3.2 fb{sup -1}. We place 95% confidence level limits on the production cross section {sigma}(p{anti p} {yields} X X') x BR ((tilde gg) {yields} 3 jet + 3 jet) where X, X' = {tilde g}, {tilde q}, or {tilde {anti q}}, with {tilde q}, {tilde {anti q}} {yields} {tilde g} + jet, as a function of gluino mass, in the range of 77 GeV/c{sup 2} to 240 GeV/c{sup 2}.

Authors:

Aaltonen, T. ^[1]

et al.

Publication Date:: Fri Jul 22 00:00:00 EDT 2011

Research Org.:: Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC)

Contributing Org.:: CDF Collaboration

OSTI Identifier:: 1021043

Alternate Identifier(s):: OSTI ID: 1100369

Report Number(s):: FERMILAB-PUB-11-220-E-PPD
Journal ID: ISSN 0031-9007; arXiv eprint number arXiv:1105.2815; TRN: US201116%%690

Grant/Contract Number:: AC02-07CH11359

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review Letters

Additional Journal Information:: Journal Volume: 107; Journal Issue: 4; Journal ID: ISSN 0031-9007

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; BENCHMARKS; COLLISIONS; CROSS SECTIONS; FERMILAB COLLIDER DETECTOR; FERMILAB TEVATRON; GEV RANGE; JET MODEL; LUMINOSITY; MASS; PAIR PRODUCTION; PROTON-ANTIPROTON INTERACTIONS; QUANTUM CHROMODYNAMICS; SPARTICLES; SUPERSYMMETRY; T QUARKS; TEV RANGE 01-10; Experiment-HEP

Citation Formats


                    Aaltonen, T. First Search for Multijet Resonances in $\sqrt{s} = 1.96$ TeV $ p\bar{p}$ Collisions.  United States: N. p., 2011. 
Web.  doi:10.1103/PhysRevLett.107.042001.

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                    Aaltonen, T. First Search for Multijet Resonances in $\sqrt{s} = 1.96$ TeV $ p\bar{p}$ Collisions.  United States.  https://doi.org/10.1103/PhysRevLett.107.042001

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                    Aaltonen, T. Fri .  
"First Search for Multijet Resonances in $\sqrt{s} = 1.96$ TeV $ p\bar{p}$ Collisions".  United States.  https://doi.org/10.1103/PhysRevLett.107.042001.  https://www.osti.gov/servlets/purl/1021043.

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@article{osti_1021043,

  title        = {First Search for Multijet Resonances in $\sqrt{s} = 1.96$ TeV $ p\bar{p}$ Collisions},

  author       = {Aaltonen, T.},

  abstractNote = {We present the first model independent search for three-jet hadronic resonances within multijet events in $\sqrt{s} = 1.96$ TeV $ p\bar{p}$ 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 kinetmatic properties of an ensemble of jet combinations within each event help to extract signal from copious QCD background. Our background estimates include all-hadronic t{anti t} decays that have a signature similar to the signal. No significant excess outside the top quark mass window is observed in data with an integrated luminosity of 3.2 fb{sup -1}. We place 95% confidence level limits on the production cross section {sigma}(p{anti p} {yields} X X') x BR ((tilde gg) {yields} 3 jet + 3 jet) where X, X' = {tilde g}, {tilde q}, or {tilde {anti q}}, with {tilde q}, {tilde {anti q}} {yields} {tilde g} + jet, as a function of gluino mass, in the range of 77 GeV/c{sup 2} to 240 GeV/c{sup 2}.},

  doi          = {10.1103/PhysRevLett.107.042001},

  journal      = {Physical Review Letters},

  number       = 4,

  volume       = 107,

  place        = {United States},

  year         = {Fri Jul 22 00:00:00 EDT 2011},

  month        = {Fri Jul 22 00:00:00 EDT 2011}

}

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Works referencing / citing this record:

A collective breaking of R-parity
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Title: First Search for Multijet Resonances in $$\sqrt{s} = 1.96$$ TeV $$ p\bar{p}$$ Collisions

Abstract

Citation Formats

Topology of three-jet events in p ¯ p collisions at s = 1.8 TeV journal, March 1992

New Generation of Parton Distributions with Uncertainties from Global QCD Analysis journal, July 2002

The performance of the CDF luminosity monitor journal, November 2002

Six-jet signals of highly colored fermions journal, March 1991

Search for the Associated Production of the Standard-Model Higgs Boson in the All-Hadronic Channel journal, November 2009

Matching NLO QCD computations and parton shower simulations journal, June 2002

Inclusive Search for Squark and Gluino Production in p p ¯ Collisions at s = 1.96 TeV journal, March 2009

High-energy-physics event generation with Pythia 6.1 journal, April 2001

ALPGEN, a generator for hard multiparton processes in hadronic collisions journal, July 2003

Top quark mass measurement using the template method in the lepton + jets channel at CDF II journal, February 2006

Geant4—a simulation toolkit journal, July 2003

Measurements of inclusive W and Z cross sections in p\overline{p} collisions at \sqrt{s} = 1\hbox{.}96\, {{\rm TeV}} journal, November 2007

Multi-jet physics at hadron colliders journal, September 1991

Determination of the jet energy scale at the Collider Detector at Fermilab journal, October 2006

A collective breaking of R-parity journal, September 2013

Searches for R -parity-violating supersymmetry in p p collisions at s = 8 TeV in final states with 0–4 leptons journal, December 2016

Exotic signals of vectorlike quarks journal, June 2018

Search for pair-produced three-jet resonances in proton-proton collisions at s = 13 TeV journal, January 2019

Searches for R-parity-violating supersymmetry in pp collisions at √s=8 TeV in final states with 0–4 leptons text, January 2016

Search for pair-produced resonances decaying to quark pairs in proton-proton collisions at s = 13 TeV journal, December 2018

Jet substructure at the Tevatron and LHC: new results, new tools, new benchmarks journal, May 2012

Jet Substructure at the Tevatron and LHC: New results, new tools, new benchmarks text, January 2012

A Collective Breaking of R-Parity text, January 2012

Exotic Signals of Vectorlike Quarks text, January 2016

Topology of three-jet events in $\bar{p} p$ collisions at $\sqrt{s} = 1.8$ TeV
journal, March 1992

New Generation of Parton Distributions with Uncertainties from Global QCD Analysis
journal, July 2002

The performance of the CDF luminosity monitor
journal, November 2002

Six-jet signals of highly colored fermions
journal, March 1991

Search for the Associated Production of the Standard-Model Higgs Boson in the All-Hadronic Channel
journal, November 2009

Matching NLO QCD computations and parton shower simulations
journal, June 2002

Inclusive Search for Squark and Gluino Production in $p \bar{p}$ Collisions at $\sqrt{s} = 1.96 TeV$
journal, March 2009

High-energy-physics event generation with Pythia 6.1
journal, April 2001

ALPGEN, a generator for hard multiparton processes in hadronic collisions
journal, July 2003

Top quark mass measurement using the template method in the $lepton + jets$ channel at CDF II
journal, February 2006

Geant4—a simulation toolkit
journal, July 2003

Measurements of inclusive W and Z cross sections in p\overline{p} collisions at \sqrt{s} = 1\hbox{.}96\, {{\rm TeV}}
journal, November 2007

Multi-jet physics at hadron colliders
journal, September 1991

Determination of the jet energy scale at the Collider Detector at Fermilab
journal, October 2006

A collective breaking of R-parity
journal, September 2013

Searches for $R$ -parity-violating supersymmetry in $p p$ collisions at $\sqrt{s} = 8 TeV$ in final states with 0–4 leptons
journal, December 2016

Exotic signals of vectorlike quarks
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Search for pair-produced three-jet resonances in proton-proton collisions at $\sqrt{s} = 13 TeV$
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Searches for R-parity-violating supersymmetry in pp collisions at √s=8 TeV in final states with 0–4 leptons
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Search for pair-produced resonances decaying to quark pairs in proton-proton collisions at $\sqrt{s} = 13 TeV$
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