DØ New Phenomena Results

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• Compositeness Searches
  • Dijet Mass Distribution, PRL 82, 2457 (1999)
    • PRL Fig. 1
    • PRL Fig. 2
    • PRL Fig. 3
    • PRL Fig. 4
    • Data-Theory comparison, alternative to PRL Fig. 3
    • Data-Theory with mu variation
    • Data-Theory with pdf variation
    • Data-Theory with mu=mass variation
    • Cross sections for eta<0.5 and 0.5
    • Ratio overlay with mu variation
    • Ratio overlay with pdf variation
    • Comparison with preliminary CDF Run 1B results
  • Drell-Yan Process, PRL 82, 4769 (1999)
    • ee mass distribution
    • Measured ee mass distribution comparing those expected from compositeness
  • Large HT Analysis, PRD Rapid Comm. 62, 031101 (2000)
    • HT distribution (data)
    • Data-Theory comparison

• Leptoquark Searches
  • First Generation Leptoquark (evjj: PRL 80, 2051 (1998), eejj: PRL 79, 4321 (1997))
    
    • Electron-neutrino mass distribution (evjj)
    • Distribution of ST vs dM/M (evjj)
    • Cross section limit for beta=1/2 (evjj)
    • Mass limit vs beta (evjj)
  • Second Generation Leptoquark, PRL 83, 2896 (1999), PRL 84, 2088 (2000)
    • munu: Data/MC distributions
    • munu: NN output
    • munu: Cross section limit
    • mumu: Event mass distribution
    • mumu: NN output
    • mumu: Cross section limit
    • mumu: Mass limit
  • Third Generation Leptoquark, PRL 81, 38 (1998)

• Higgs Searches
  • Charged Higgs Disappearance Search, PRL 82, 4975 (1999)
    • Explored region in tanbeta vs mH+ plane (PRL Fig. 1)
    • Exclusion contour in tanbeta vs mH+ plane (PRL Fig. 3)
  • Direct charged Higgs search hep-ex/0102039, submitted to PRL
  • Bosonic Higgs Search, PRL 85, 2244 (1999)
    • Branching ratio as a function of mH
    • Diphoton mass distributions for data and background
    • Cross section limit
  • SM Higgs Search, contact John Hobbs for details
    • Dijet invariant mass
    • Production limit

• Supersymmetry Searches
  • Top Squark
    • Mass limit in stop vs LSP plane (jet+MET analysis, PRL 76, 2222 (1996))
    • Cross section limit vs stop mass (eejjMET analysis, PRD 57, 589 (1998))
  • Bottom Squark, PRD Rapid Comm. 60, 031101 (1999)
    • Mass limit in sbottom vs LSP plane (DØ/LEP)
    • Mass Limit in sbottom vs LSP plane (DØ/LEP/CDF)
  • Gamma+Jets+MET Analysis, PRL 82, 29 (1999)
    • Missing ET distributions for the data, background and expected signals
    • HT distributions for the data, background and expected signals
    • Cross section limit as a function of squark/gluino mass
  • Squarks/Gluinos in Jet+MET Final State, PRL 83, 4937 (1999)
    • Angular correlation Dpipi
    • Exclusion contour in m0-m1/2 plane
    • Exclusion contour in squark and gluino mass plane
  • Dilepton Final States, Phys. Rev. D 63, 091102(R) (2001)
    • dilepton mSUGRA exclusion
  • Trilepton Final States, PRL 80, 1591 (1998)
    • Feynman diagrams for trilepton final states
    • Efficiency
    • Cross section limit as a function of chargino mass
  • Trilepton RPV, PRD Rapid Comm. 62, 071701 (2000)
    • Exclusion contours for tanbeta=5, mu<0
    • Exclusion contours for tanbeta=5, mu>0
    • Exclusion contours for tanbeta=10, mu<0
    • Exclusion contours for tanbeta=10, mu>0
  • Dielectron RPV SUSY search, PRL 83, 4476 (1999)
    • Exclusion region in m0-m1/2 plane for tanbeta=2
    • Exclusion region in m0-m1/2 plane for tanbeta=6
  • GMSB Diphoton Analysis, PRL 80, 442 (1998)
    • Missing ET distributions of the data, background and expected signals
    • Limit in (mu,M2) plane for different tan(beta) values
    • Limit in (mu,M2) compared with others
    • Cross section limit vs chargino mass
  • RPV search in mumujj final state
    • Exclusion contour for tanb=2 (uu only)
    • Exclusion contour for tanb=2 (ee+uu)
    • Exclusion contour for tanb=2 (Run II)
    • Exclusion contour for tanb=6 (uu only)
  • Stop in emu final state
    • Data/background comparison
    • Cross section limits for a 50 GeV sneutrino
    • Cross section limits for other sneutrino masses
    • mstop and msenutrino contour
    • mstop and mchargino contour

• Other Analyses
  • Monopole Analysis, PRL 81, 524 (1998)
    • Feynman diagram for diphoton production
    • ST distribution for data and background
    • Signal distributions: ST and eta
    • Cross section limits
  • Searches for Large Extra Dimension, PRL 86, 1156 (2001)
    • Cos(theta*) distribution
    • Diem mass distribution
    • cos vs mass distribution
    • Limit on LED scale
  • Searches for heavy particles decaying into e+e- Phys. Rev. Lett. 87, 061802 (2001)
    • Dielectron mass for CC/CC events
    • Dielectron mass for CC/EC events
    • Limit for technirho and techniomega
    • Limit for technirho and techniomega
    • Limit for Z'
  • Sleuth I (PRD) PRD 62, 92004 (2000)
  • Sleuth II (PRD) Phys. Rev. D 64, 012004 (2001)
  • Sleuth PRL Phys. Rev. Lett. 86, 3712 (2001)

• 2001 Conferences/Workshops
  • Search for R-parity Violation and Exotica at the Tevatron,Elemer Nagy, Orsay, France
  • Search for large extra dimension, Tom Ferbel, Cairo, Egypt
• 2000 Conferences/Workshops
  • Search for Supersymmetry at Tevatron -- Run I Results and Run II Prospects, Jianming Qian, SUSY2K, CERN.
  • Search for Supersymmetric Particles at the Tevatron, Nirmalya Parua, DIS2000
  • Search for Large Extra Dimensions at DØ, Greg Landsberg, Fermilab W&C
• 1999 Conferences/Workshops
  • The Search for SUSY at the Tevatron (proceeding), Rich Genik, Moriond
  • Search for Exotics at Tevatron: Present and Future (paper), Greg Landsberg, EPS conference
  • Hunting for SUSY in Run II at DØ, Greg Landsberg, SUSY99, Fermilab
  • Search for R-parity Violating Supersymmetry in the Dielectron Channel at DØ, Nirmalya Parua, Floida
  • New Phenomena Searches at Tevatron, Nirmalya Parua, Blois, France
  • Supersymmetry at the Tevatron - Sresults from Run I, Jianming Qian, SUSY99, Fermilab
  • Higgs/Supersymmetry in Run IIa, Jianming Qian, DØ workshop, Seattle, Washington
  • European Physical Society Meeting, submitted abstracts & papers
    
    • Abstracts submitted
      
    • Measurement of the High-Mass Drell-Yan Cross Section and Limits on Quark-Electron Compositeness Scales
      
    • The Dijet Mass Spectrum and a Search for Quark Compositeness in ppbar Collisions...
      
    • Search for Second Generation Leptoquark Pairs in ppbar Collisions...
      
    • Search for Second Generation Leptoquark Pairs Decaying to mu+nu+jets in ppbar Collisions...
      
    • Search for R-parity Violating Supersymmetry in the Dielectron Channel
      
    • Search for Bottom Squarks in ppbar Collisions...
      
    • A Search for Dilepton Signatures from Minimal Low Energy Supergravity in ppbar Collisions...
      
    • Search for High Mass Photon Pairs in ppbar->gamma gamma jet jet Events ...
      
• 1998 ICHEP, Vancouver
  
  • Search for High Mass Photon Pairs in p-pbar->gamma gamma jet jet Events
  • A Search for Heavy Pointlike Dirac Monopoles
  • Search for R-parity Violating Supersymmetry in the Dielectron Channel
  • Search for New Physics in Single-Photon Events with Jets and Large Missing Transverse Energy
  • Search for Squarks and Gluinos in the Jets+MET Channel
  • A Search for First Generation Vector Leptoquarks

• A Quasi-Model-Independent Search for New High pT Physics at Dzero
  Fermilab-00/304-E, hep-ex/0011071, Accepted by RPL

• A Quasi-Model-Independent Search for New Physics at Large Transverse Momentum
  Fermilab-00/302-E, hep-ex/0011067, Accepted by PRD

• Search for Large Extra Dimensions in Dielectron and Diphoton Production
  Fermilab Pub-00/210-E, hep-ex/0008065, Phys. Rev. Letters 86, 1156 (2001)

• Search for New Physics in e mu X Data at D0 Using Sleuth: A Quasi-Model-Independent Search Strategy for New Physics
  Fermilab Pub-00/126-E, hep-ex/0006011, Phys. ReV. D 62, 92004 (2000)

• Search for R-parity Violation in Multilepton Final States in pbarp Collisions at sqrt(s)=1.8 TeV
  Fermilab Pub-00/109-E, hep-ex/0005034, Phys. Rev. D Rapid Comm. 62, 071701 (2000)

• A Search for Dilepton Signature from Minimal Low-energy Supergravity pbarp Collisions at 1800 GeV
  Fermilab-Pub-00/042-E, hep-ex/9907048, Submitted to Phys. Rev. Lett.

• Limits on Quark Compositeness from High Energy Jets in ppbar Collisions at 1.8 TeV
  Fermilab Pub-99/357-E, hep-ex/9912023, Phys. Rev. D Rapid Comm. 62, 031101 (2000)

• Search for Second Generation Leptoquarks in ppbar Collisions at sqrts=1.8 TeV
  Fermilab Pub-99/314-E, hep-ex/9910040, Phys. Rev. Lett. 84, 2088 (2000)

• Search for R-parity Violating Supersymmetry in the Dielectron Channel
  Fermilab Pub-99/200-E, hep-ex/9907019, Phys. Rev. Letters 83, 4476 (1999)

• Search for Second Generation Leptoquark Pairs Decaying to \mu\nu+jets in p-pbar Collisions at sqrts=1.8 TeV
  Fermilab Pub-99/123-E, hep-ex/9904023, Phys. Rev. Letters 83, 2896 (1999).

• Search for Bottom Squarks in pbarp Collisions at sqrts=1.8 TeV
  Fermilab Pub-99/046-E, hep-ex/9903041, Phys. Rev. D Rapid Comm. 60, 031101 (1999)

• Search for Charged Higgs Bosons in Decays of Top Quark Pairs
  Fermilab Pub-99/029-E, hep-ex/9902028, Phys. Rev. Letters 82, 4975 (1999).

• Search for Squarks and Gluinos in Events Containing Jets and Large Imbalance in Transverse Energy
  Fermilab Pub-98/402-E, hep-ex/9902013, Phys. Rev. Letters 83, 4937 (1999).

• Measurement of the High-Mass Drell-Yan Cross Section and Limits on Quark-Electron Compositeness Scales
  Fermilab Pub-98/391-E, hep-ex/9812010, Phys. Rev. Letters 82, 4769 (1999).

• Search for High Mass Photon Pairs in ppbar->gamma gamma jet jet Events at sqrts=1.8 TeV
  Fermilab Pub-98/362-E, hep-ex/9811029, Phys. Rev. Letters 85, 2244 (1999).

• Search for Squarks and Gluinos in Single-Photon Events with Jets and Large Missing Transverse Energy in ppbar Collisions at sqrts=1.8 TeV
  Fermilab Pub-94/243-E, hep-ex/9808010, Phys. Rev. Letters 82, 29 (1999).

• The Dijet Mass Spectrum and a Search for Quark Compositeness in pbarp Collisions at sqrts=1.8 TeV
  Fermilab Pub-98/220-E, hep-ex/9807014, Phys. Rev. Letters 82, 2457 (1999).

• Search for Heavy Pointlike Dirac Monopoles
  Fermilab Pub-98/095-E, hep-ex/9803023, Phys. Rev. Letters 81, 524 (1998).

• Search for Charge 1/3 Third Generation Leptoquarks in ppbar Collisions at sqrts=1.8 TeV
  Fermilab Pub-98/081-E, hep-ex/9803009, Phys. Rev. Letters 81, 38 (1998).

• Search for First Generation Scalar Leptoquark Pais in ppbar Collisions at sqrts=1.8 TeV
  Fermilab Pub-97/344-E, hep-ex/9710032, Phys. Rev. Letters 80, 2051 (1998).

• Search for the Trilepton Signature from Associated Gaugino Pair Production
  Fermilab Pub-97/153-E, hep-ex/9705015, Phys. Rev. Letters 80, 1591 (1998).

• Experimental Search for Chargino and Neutralino Production in Supersymetry Models with a Light Gravitino
  Fermilab Pub-97/273-E, hep-ex/9708005, Phys. Rev. Letters 80, 442 (1998).

• Search for Top Squark Pair Production in the Dielectron Channel
  Fermilab Pub-96/449-E, hep-ex/9612009, Phys. Rev. D 57, 589 (1998).

• Search for Scalar Leptoquark Pairs Decaying to Electron and Jets in ppbar Collisions
  Fermilab Pub-97/252-E, hep-ex/9707033, Phys. Rev. Letters 79, 4321 (1997).

• Search for Fourth Generation -1/3 Quark via Flavor Changing Neutral Current Decay
  Fermilab Pub-96/430-E, Phys. Rev. Letters 78, 3818 (1997).

• Search for Diphoton Events with large Missing Transverse Energy in ppbar Collisions at sqrts=1.8 TeV
  Fermilab Pub-96/446-E, hep-ex/9612011, Phys. Rev. Letters 78, 2070 (1997).

• Search for Right-Handed W Bosons and Heavy W' in ppbar Collisions
  Fermilab Pub-95/412-E, hep-ex/9512007, Phys. Rev. Letters 76, 3271 (1996).

• Search for Light Top Squarks in ppbar Collisions at sqrts=1.8 TeV
  Fermilab Pub-95/380-E, Phys. Rev. Letters 76, 2222(1996).

• Search for Additional Neutral Gauge Bosons
  Fermilab Pub-96/187-E, Phys. Letters B 385, 471 (1996)

• Search for Wino1 Zino2 via Trilepton Final States in ppbar Collisions at sqrts=1.8 TeV
  Fermilab Pub-95/385-E, hep-ex/9512004, Phys. Rev. Letters 76, 2228 (1996).

• Second Generation Leptoquark Search in ppbar Collisions at sqrts=1.8 TeV
  Fermilab Pub-95/185-E, hep-ex/9507002, Phys. Rev. Letters 75, 3618 (1995).

• Search for Squarks and Gluinos in ppbar Collisions at sqrts=1.8 TeV
  Fermilab Pub-95/057-E, Phys. Rev. Letters 75, 618 (1995).

• Search for Heavy W Boson in 1.8 TeV ppbar Collisions
  Fermilab Pub-95/283-E, Phys. Lett. B 358, 405 (1995).

• First Generation Leptoquark Search in ppbar Collisions at sqrts=1.8 TeV
  Fermilab Pub-93/340-E, Phys. Rev. Letters 72, 965 (1994).

• Jianming Qian
  Sensitivity to Gauge Mediated Supersymmetry Breaking Models of the Fermilab Upgraded Tevatron Collider
  hep-ph/9903548.

• Dave Cutts, Greg Landsberg
  Detection of Long-Lived Particles in Run II with D0
  hep-ph/9904396.

• S. Banerjee, N.K. Mondal, V.S. Narasimham, N. Parua
  Search for R-parity Violating SUSY in Run 2 at D0
  hep-ph/9904397.