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Contributed OPAL abstracts and papers for the
International Europhysics Conference on High Energy Physics
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This page will be regularly updated until the beginning of the conference.
The first number is the abstract number for the EPS submission and the second for the LP submission.
Last update 10-July-2001 by S. Söldner-Rembold , 56/44 EPS and 56/44 LP abstracts/papers submitted.
More information: OPAL public page for physicists and searching OPAL publications by topic
Two kinds of OPAL documents are referenced here:
1) Final OPAL publications are identified by PRxxx. They may be quoted without reservation. All published OPAL results
2) Preliminary OPAL results, in Physics Notes identified by PNxxx, may change before final publication. All preliminary OPAL results
Contact :
OPAL spokesman (D.Plane),
OPAL Physics Coordinators (G.Lafferty, R.McPherson)
| Collected preliminary results using all 2000 data | ||||||
| Abstract EPS/LP |
Title | OPAL document |
EPS | LP | ||
| 1st Session | 2nd Session | Session | Paper Nr | |||
| 25/26 | Searches for Higgs Bosons in Extensions to the Standard Model in e+e- Collisions at the Highest LEP Energies | PN472 | Beyond the Standard Model | EW Physics and beyond II | 295 | |
| 27/27 | New Particle Searches in e+e- Collisions at sqrt(s) = 200-209 GeV | PN470 | Beyond the Standard Model | EW Physics and beyond II | 296 | |
| 31/28 | Measurements of Standard Model Processes in e+e- Collisions at sqrt{s}=203-209 GeV | PN469 | Test of the Standard Model | Hard High Energy QCD and Structure Functions | EW Physics and beyond I | 297 |
| Electroweak at the Z | ||||||
| Abstract EPS/LP |
Title | OPAL document |
EPS | LP | ||
| 1st Session | 2nd Session | Session | Paper Nr | |||
| 13/29 | Precise Determination of the Z Resonance Parameters at LEP: Zedometry | PR328 | Test of the Standard Model | EW Physics and beyond I | 305 | |
| 36/30 | Determination of S-matrix Parameters from Fermion-Pair Production at OPAL | PN474 | Test of the Standard Model | EW Physics and beyond I | 744 | |
| 38/31 | Precision Neutral Current Asymmetry Parameter Measurements from the Tau Polarization at LEP | PR333 | Test of the Standard Model | Heavy Flavour | EW Physics and beyond I | 306 |
| 44/32 | Angular Analysis of the Muon Pair Asymmetry at LEP1 | PR339 | Test of the Standard Model | EW Physics and beyond I | 731 | |
| Standard Model Processes at LEP2 | ||||||
| Abstract EPS/LP |
Title | OPAL document |
EPS | LP | ||
| 1st Session | 2nd Session | Session | Paper Nr | |||
| 31/28 | Measurements of Standard Model Processes in e+e- Collisions at sqrt{s}=203-209 GeV | PN469 | Test of the Standard Model | Hard High Energy QCD and Structure Functions | EW Physics and beyond I | 297 |
| 35/33 | Limits on Low Scale Quantum Gravity in Extra Spatial Dimensions from Measurements of e+e- --> e+e- at LEP2 | PN471 | Beyond the Standard Model | Test of the Standard Model | EW Physics and beyond I | 307 |
| 278/276 | Limits on Low Scale Quantum Gravity in Extra Spatial Dimensions from Measurements of e+e- -> W+W- at LEP2 | EB668 | Beyond the Standard Model | Test of the Standard Model | EW Physics and beyond I | |
| 36/30 | Determination of S-matrix Parameters from Fermion-Pair Production at OPAL | PN474 | Test of the Standard Model | EW Physics and beyond I | 744 | |
| 37/34 | Determination of the LEP Beam Energy Using Radiative Fermion-pair Events | PN476 | Test of the Standard Model | EW Physics and beyond I | 760 | |
| 110/35 | Measurement of the process e gamma -> eZ/gamma* | PR341 | Test of the Standard Model | EW Physics and beyond I | 840 | |
| 111/36 | Search for anomalous Z-Z-gamma and Z-gamma-gamma couplings | PR311 | Test of the Standard Model | Beyond the Standard Model | EW Physics and beyond I | 517 |
| 128/37 | Measurements of Neutral Current Four-Fermion Events in e+e- Collisions at LEP2 | EB601 | Test of the Standard Model | EW Physics and beyond I | ||
| 183/179 | Measurement of the Light Flavour Fraction in e+e- Annihilation at 189-209 GeV | Test of the Standard Model | EW Physics and beyond I | |||
| 170/180 | Study of Z Boson Pair Production and Anomalous Couplings in e+e- Collisions at sqrt(s)=183-209 GeV | PN482 | Test of the Standard Model | Beyond the Standard Model | EW Physics and beyond I | 824 |
| WW and Triple Gauge Couplings | ||||||
| Abstract EPS/LP |
Title | OPAL document |
EPS | LP | ||
| 1st Session | 2nd Session | Session | Paper Nr | |||
| 23/38 | Measurement of triple gauge boson couplings from WW production at LEP energies up to 189 GeV | PR324 | Test of the Standard Model | EW Physics and beyond I | 455 | |
| 24/39 | Measurement of W Boson Polarisations and CP-violating Triple Gauge Couplings from W+W- Production at LEP | PR323 | CP violation (incl. B factories) | Test of the Standard Model | EW Physics and beyond I | 456 |
| 31/28 | Measurements of Standard Model Processes in e+e- Collisions at sqrt{s}=203-209 GeV | PN469 | Test of the Standard Model | Hard High Energy QCD and Structure Functions | EW Physics and beyond I | 297 |
| 37/34 | Determination of the LEP Beam Energy Using Radiative Fermion-pair Events | PN476 | Test of the Standard Model | EW Physics and beyond I | 760 | |
| 111/36 | Search for anomalous Z-Z-gamma and Z-gamma-gamma couplings | PR311 | Test of the Standard Model | Beyond the Standard Model | EW Physics and beyond I | 517 |
| 177/181 | Measurement of Triple Gauge Couplings using Photonic Events with Missing Energy at sqrt(s)=189-202 GeV | PN481 | Test of the Standard Model | Beyond the Standard Model | EW Physics and beyond I | 839 |
| 182/182 | Bose-Einstein Correlations in WW events | EB670 | Test of the Standard Model | Soft Interactions, Hadronic Structure and Diffraction | EW Physics and beyond I | |
| 185/183 | Colour Reconnection Studies in WW events at LEP | Test of the Standard Model | Soft Interactions, Hadronic Structure and Diffraction | EW Physics and beyond I | ||
| 210/209 | Measurement of the W Mass from l-nu-l-nu Events | PN480 | Test of the Standard Model | EW Physics and beyond I | 828 | |
| 278/276 | Limits on Low Scale Quantum Gravity in Extra Spatial Dimensions from Measurements of e+e- -> W+W- at LEP2 | EB668 | Beyond the Standard Model | Test of the Standard Model | EW Physics and beyond I | |
| Higgs | ||||||
| Abstract EPS/LP |
Title | OPAL document |
EPS | LP | ||
| 1st Session | 2nd Session | Session | Paper Nr | |||
| 25/26 | Searches for Higgs Bosons in Extensions to the Standard Model in e+e- Collisions at the Highest LEP Energies | PN472 | Beyond the Standard Model | EW Physics and beyond II | 295 | |
| 26/40 | Search for the Standard Model Higgs Boson in e+e- Collisions at sqrt(s)=192-209 GeV | PR329 | Test of the Standard Model | EW Physics and beyond II | 457 | |
| 132/41 | Search for Doubly Charged Higgs Bosons Decaying into Two Leptons | PN446 | Beyond the Standard Model | EW Physics and beyond II | 732 | |
| 155/90 | Search for Low-Mass MSSM Higgs Bosons with the OPAL detector at LEP | EB650 | Beyond the Standard Model | CP violation (incl. B factories) | EW Physics and beyond II | |
| 156/91 | Model Independent Searches for Scalar Bosons with the OPAL Detector at LEP | EB627 | Beyond the Standard Model | Test of the Standard Model | EW Physics and beyond II | |
| 157/92 | Search for Yukawa Production of a Light Neutral Higgs Boson at LEP1 | PN483 | Beyond the Standard Model | EW Physics and beyond II | 826 | |
| 180/184 | Two Higgs Doublet Model Interpretation of Neutral Higgs Boson Searches up to the highest LEP Energies | PN475 | Beyond the Standard Model | EW Physics and beyond II | 755 | |
| Searches (not Higgs) | ||||||
| Abstract EPS/LP |
Title | OPAL document |
EPS | LP | ||
| 1st Session | 2nd Session | Session | Paper Nr | |||
| 27/27 | New Particle Searches in e+e- Collisions at sqrt(s) = 200-209 GeV | PN470 | Beyond the Standard Model | EW Physics and beyond II | 296 | |
| 35/33 | Limits on Low Scale Quantum Gravity in Extra Spatial Dimensions from Measurements of e+e- --> e+e- at LEP2 | PN471 | Beyond the Standard Model | Test of the Standard Model | EW Physics and beyond I | 307 |
| 278/276 | Limits on Low Scale Quantum Gravity in Extra Spatial Dimensions from Measurements of e+e- -> W+W- at LEP2 | EB668 | Beyond the Standard Model | Test of the Standard Model | EW Physics and beyond I | |
| 45/42 | Searches for Charginos with Small Delta M in e+e- Collisions at sqrt{s} = 189 - 202 GeV | PN464 | Beyond the Standard Model | EW Physics and beyond II | 458 | |
| 141/55 | Search for Lepton Flavour Violation in e+e- collisions at sqrt(s)=189-209 GeV | EB649 | Beyond the Standard Model | Hadron Spectroscopy and Rare Decays | EW Physics and beyond I | |
| 159/93 | Search for Single Top Production using the OPAL detector at LEP | PN477 | Beyond the Standard Model | Test of the Standard Model | EW Physics and beyond I | 813 |
| 169/185 | Searches for Light Gravitino Signatures with Measurable Lifetime in e+e- Collisions at sqrt(s)=189-209 GeV | PN478 | Beyond the Standard Model | EW Physics and beyond II | 820 | |
| 204/186 | Search for Single Leptoquark and Squark Production in Electron-Photon Scattering at LEP2 | PR337 | Beyond the Standard Model | EW Physics and beyond II | 459 | |
| 575/440 | Search for Technicolor Particles with the OPAL detector at LEP | PN485 | Beyond the Standard Model | EW Physics and beyond II | 841 | |
| Tau Physics | ||||||
| Abstract EPS/LP |
Title | OPAL document |
EPS | LP | ||
| 1st Session | 2nd Session | Session | Paper Nr | |||
| 38/31 | Precision Neutral Current Asymmetry Parameter Measurements from the Tau Polarization at LEP | PR333 | Test of the Standard Model | Heavy Flavour | EW Physics and beyond I | 460 |
| 266/271 | Measurement of the Vector and Axial-Vector Spectral Functions in Hadronic Tau Decays | PR246 | Test of the Standard Model | Heavy Flavour | EW Physics and beyond II | 461 |
| Heavy flavour | ||||||
| Abstract EPS/LP |
Title | OPAL document |
EPS | LP | ||
| 1st Session | 2nd Session | Session | Paper Nr | |||
| 10/48 | Measurement of the Branching Ratio for D_s->tau nu_tau Decays | PR334 | Heavy Flavour | Hadron Spectroscopy and Rare Decays | Heavy Quark II | 288 |
| 11/49 | A Search for a Radial Excitation of the D*+/- Meson | PR331 | Heavy Flavour | Hadron Spectroscopy and Rare Decays | Heavy Quark II | 289 |
| 20/50 | A Study of Bs meson oscillation using Ds-lepton Correlations | PR327 | Heavy Flavour | CP violation (incl. B factories) | Heavy Quark I | 462 |
| 22/51 | Investigation of the Decay of Orbitally-Excited B Mesons and First Measurement of the Branching Ratio BR(B*_J->B*pi(X)) | PR325 | Heavy Flavour | Hadron Spectroscopy and Rare Decays | Heavy Quark II | 463 |
| 137/52 | Measurement of the Branching Ratio for the Process b->tau nu_tau X | PR340 | Heavy Flavour | Hadron Spectroscopy and Rare Decays | Heavy Quark I | 835 |
| 139/53 | Measurement of |V_ub| using b hadron semileptonic decays | PR338 | Heavy Flavour | CP violation (incl. B factories) | Heavy Quark I | 733 |
| QCD and Inclusive Hadron Production | ||||||
| Abstract EPS/LP |
Title | OPAL document |
EPS | LP | ||
| 1st Session | 2nd Session | Session | Paper Nr | |||
| 12/24 | A Simultaneous Measurement of the QCD Colour Factors and the Strong Coupling | PR330 | Hard High Energy QCD and Structure Functions | QCD Phenomenology | 290 | |
| 21/25 | Charged Multiplicities in Z Decays into u, d, and s Quarks | PR326 | Hard High Energy QCD and Structure Functions | Soft Interactions, Hadronic Structure and Diffraction | QCD Phenomenology | 465 |
| 135/45 | Genuine Correlations of Same-Charge Hadrons in Hadronic Z Decays | PN484 | Soft Interactions, Hadronic Structure and Diffraction | QCD Phenomenology | 827 | |
| 173/187 | Fermi-Dirac Correlations Between Protons in Hadronic Z Decays | PN486 | Soft Interactions, Hadronic Structure and Diffraction | QCD Phenomenology | 838 | |
| 201/188 | Determination of the b Quark Mass at the Z Mass Scale | PR336 | Hard High Energy QCD and Structure Functions | QCD Phenomenology | 466 | |
| 205/190 | QCD Studies with e+e- Annihilation Data at the highest LEP-2 Energies | PN469 | Hard High Energy QCD and Structure Functions | Test of the Standard Model | QCD Phenomenology | 467 |
| 208/196 | Measurement of Bose-Einstein Correlations in pi0 Pairs Produced in Hadronic Z Decays | EB666 | Soft Interactions, Hadronic Structure and Diffraction | QCD Phenomenology | ||
| 389/304 | Contribution to the Study of Four-Jet Events from Hadronic Decays of the Z | PN473 | Hard High Energy QCD and Structure Functions | QCD Phenomenology | 562 | |
| Photon-Photon Interactions | ||||||
| Abstract EPS/LP |
Title | OPAL document |
EPS | LP | ||
| 1st Session | 2nd Session | Session | Paper Nr | |||
| 46/43 | A high-Q^2 measurement of the photon structure function F_2^gamma at LEP2 | PN454 | Hard High Energy QCD and Structure Functions | Soft Interactions, Hadronic Structure and Diffraction | Hadronic Structure I | 468 |
| 48/44 | Measurement of the Cross-Section of Double-Tagged Events in Two-Photon Collisions at LEP | EB661 | Hard High Energy QCD and Structure Functions | Soft Interactions, Hadronic Structure and Diffraction | Hadronic Structure I | |
| 140/54 | Measurement of the Cross-Section for the Process Gamma-Gamma -> Proton-Antiproton | EB544 | Soft Interactions, Hadronic Structure and Diffraction | Hadronic Structure I | ||
| 168/174 | Inclusive Production of charged D* Mesons in Photon-Photon Collisions at e+e- centre-of-mass energies from 183 to 209 GeV | PN453 | Hard High Energy QCD and Structure Functions | Soft Interactions, Hadronic Structure and Diffraction | Hadronic Structure I | 558 |
| 171/175 | Measurement of the Charm Structure Function of the Photon in Deep Inelastic Electron-Photon Scattering at LEP | PR294 | Hard High Energy QCD and Structure Functions | Soft Interactions, Hadronic Structure and Diffraction | Hadronic Structure I | 559 |
| 202/176 | Di-jet Cross-sections in Photon-Photon Collisions at LEP | PN443 | Hard High Energy QCD and Structure Functions | Soft Interactions, Hadronic Structure and Diffraction | Hadronic Structure I | 469 |
| 203/177 | Measurement of Open Beauty Production in Photon-Photon Collisions at LEP2 | PN455 | Hard High Energy QCD and Structure Functions | Soft Interactions, Hadronic Structure and Diffraction | Hadronic Structure I | 557 |
| 207/197 | Measurement of Prompt Photon Production in Photon-Photon Collisions at LEP2 | EB665 | Hard High Energy QCD and Structure Functions | Soft Interactions, Hadronic Structure and Diffraction | Hadronic Structure I | |
Stefan Söldner-Rembold, 26 March 2001