Leptoquarks Working Group Home Page

DØ Information and Results

• Second Wine and Cheese Talk Transparencies "Search for First Generation Leptoquarks at D0" (PDF format)

  EPS'97 Talk Transparencies "Search for Leptoquarks at D0"

• Wine & Cheese Talk Transparencies "Search for Leptoquarks at D0"

• Optimized First Generation Leptoquark Analysis (eejj)

• Optimized First Generation Leptoquark Analysis (evjj)

• D0Note with the Optimized eejj Analysis Results (v5.4)
  

• D0Note with the Optimized evjj Analysis Results (v3.6)

  These analyses are subject of the EB085 chaired by Boaz Klima

• Most recent NLL scalar LQ pair production c.s. from M.Kraemer et al ( HTML, Plain text, or Plot). Now for M(LQ) = 40-300 GeV
  Program (FNALD0::)TMP$ROOT299:[LANDSBERG.LQ]NLL.EXE gives the LOWER cross section value at any given mass point (40-300 GeV) based on polynomial spline interpolation.

  DØ Old (Obsolete) Results

• D0 cross section limit on scalar LQ pair production (as of Moriond 97): Plain text
• Old Analysis First Generation Leptoquark Analysis (eejj and evjj)
• Draft summary of physics for FNAL directorate.
• Draft summary for FNAL publicity department.
  We also have a draft more suitable for non-particle physicists.
• Pointer to DØ public plots.
• public Public statement on LQ's.
• the plan the plan....
• DØ Ib, first generation Guoliang's DPF paper
• 1st generation prl Doug's published 1st generation paper
• 2nd generation prl Doug's published 2nd generation paper

Minutes of the meetings

• March 21, 1997 LQ Meeting

Hera Information and Results

• HERA paper zeus physiczeustter submission
• HERA paper H1 physiczeustter submission
• Information (and transparencies) from the Zeus and H1 seminars of Feb. 19, 1997, at DESY, and local copies of the Zeus transparencies and event displays
• HERA paper HERA WARSAW ICHEP leoptoquark submission
• Zeus DPF '96 Leptoquark Paper
• 2nd and 3rd generation lq at Hera (Thanks, Anna)

Theoretical Papers on Direct LeptoQuarks Production

• J.L.Hewett, T.G.Rizzo, S.Pakvasa, H.E.Haber, A.Pomarol "Vector Leptoquark Production at Hadron Colliders"
  (Paper on the vector leptoquark production model and cross section)
  • hep-ph/9310361
  • Paper (100KB)
    Figures in PS format (courtesy G.Watts - they were missing from the LANL server):
  • Page 1 (Figs. 1,2) low res (2MB) / hi res (16MB)
  • Page 2 (Figs. 3,4) low res (2MB) / hi res (16MB)
• J.Ohnemus, S.Rudaz, T.F.Walsh, P.M.Zerwas "Single Leptoquark Production at Hadron Colliders"
  (Paper on the single leptoquark production from vacuum polarization)
  • hep-ph/9406235
  • Paper (140KB)
  • Figures (910KB)
• J.Blumlein, E.Boos, A.Kryukov "Leptoquark Production in Hadronic Interactions"
  (Paper on the scalar leptoquark production model and cross section)
  • hep-ph/9610408
  • Paper (1.2MB)
• G.Altarelli, J.Ellis, G.F.Giudice, S.Lola, M.L.Mangano, "Pursuing interpretations of the HERA Large-Q^2 Data"
  (Interpretations of HERA data)
  • hep-ph/9703276
  • Paper (1.3MB)
• J.Blumlein "On the Expectations for Leptoquarks in the Mass Range of O(200 GeV)"
  (Paper on the single and pair leptoquark production at HERA and at the Tevatron)
  • hep-ph/9703287
  • Paper (250KB)
• J.L.Hewett, T.G.Rizzo, "Much Ado About Leptoquarks: A Comprehensive Analysis"
  (Interpretations of HERA data)
  • hep-ph/9703337
  • Paper (730KB)
  • Figure (50KB)
• Z.Kunszt, W.J.Stirling, "QCD Corrections and the Leptoquark Interpretation of the HERA High Q^2 Events"
  (NLL theory)
  • hep-ph/9703427
  • Paper (370KB)
• T.Plehn, H.Spiesberger, M.Spira, P.M.Zerwas, "Formation and Decay of Scalar Leptoquarks/Squarks in ep collisions"
  (NLL theory paper)
  • hep-ph/9703433
  • Paper (280KB)
• M.Kramer, T.Plehn, M.Spira, P.M.Zerwas, "Pair Production of Scalar LeptoQuarks at the Tevatron"
  (NLL theory paper)
  • hep-ph/9704322
  • Paper (230KB)

Theoretical Papers on Indirect Constraints on the LeptoQuarks

• theory theory paper on low energy bounds
• theory another theory paper on low energy bounds
• theory another theory paper on low energy bounds
• D.J.Castano, S.P.Martin "Discrete Symmetries and Isosinglet Quarks in Low-Energy Supersymmetry"
  (Paper on SUSY, E6, and Leptoquarks)
  • hep-ph/9408230
  • Paper (130KB)
• theory theory paper on indirect limits on 2nd and 3rd generation lq's from LEP