OPAL Contributed Papers
for ICHEP 98 - Vancouver

Concerning OPAL Physics Notes identified by PNxxx:


Please note that these Physics Notes summarise preliminary OPAL results that may change before publication. Before referencing them or including these results in non-OPAL publications, the authors are requested to ask permission of the OPAL Spokesperson at David.Plane@cern.ch or the OPAL Physics Coordinators opal-physics-coordinators@opal-lb.cern.ch.



Lineshape
Abstract Title OPAL
Document		 Parallel
Session		 Plenary
Session		 Sent?
abs228 Precision Luminosity for OPAL Z$^0$ Lineshape Measurements with a Silicon-Tungsten Luminometer PN364 PA 1,14 PL 1 20.7.98
abs229 A Precision Measurement of the Z$^0$ Lineshape and Lepton Forward-backward Asymmetry PN358 PA01 PL01 ***
abs364 S-Matrix Fits to the OPAL LEP1 Lineshape
and Asymmetry Data and the LEP2 Cross-section Data		 PN319 PA01 PL01 25.6.98




Tau Physics
Abstract Title OPAL
Document		 Parallel
Session		 Plenary
Session		 Sent?
abs212 Measurement of the tau branching ratio to five charged particles PR242 PA06 PL08 23.6.98
abs213 Measurement of the tau to electron branching ratio PN353 PA 1,3,6 PL 1,5,8 20.7.98
abs217 Measurement of the tau one-prong hadronic branching ratio PR224 PA06 PL08 22.6.98
abs220 An Upper Limit on the Anomalous Magnetic Moment of the tau lepton PR233 PA01 PL01 23.6.98
abs221 Measurement of the michel parameters in leptonic tau decays PR245 PA01 PL01 3.7.98
abs222 Measurement of the Strong Coupling Constant Alpha_s and the Vector and Axial-Vector Spectral Functions in Hadronic Tau Decays PR246 PA01 PL01 3.7.98
abs223 Determination of Tau Branching Ratios to Three-Prong Final States with Charged Kaons PN304 PA01,PA06 PL01,PL08 23.6.98
abs224 Measurement of the Muonic Branching Ratio of the Tau PN296 PA01,PA06 PL01,PL08 23.6.98
abs225 An Upper Limit on the Branching Ratio for tau Decays into Seven Charged Particles PR202 PA06 PL08 23.6.98
abs226 A Measurement of the Hadronic Decay Current and the nu_tau-helicity in tau- -> pi-pi-pi+nu_tau PR198 PA01,PA06 PL01,PL08,
PL11		 22.6.98
abs227 An Upper Limit for the tau-neutrino Mass from tau -> 5pi+- nu_tau Decays PR238 PA02,PA06 PL02,PL08 23.6.98
abs365 Search for CP Violation in Z0 -> tau+tau- and an Upper Limit on the Weak Dipole Moment of the tau Lepton PR191 PA01,PA06 PL01,PL08 20.6.98




Heavy and Light Flavour Electroweak
Abstract Title OPAL
Document		 Parallel
Session		 Plenary
Session		 Sent?
abs338 Measurements of R_b and Bottom and Charm Asymmetries in e+e- Collisions at 130-183 with the OPAL Detector at LEP PN348 PA01,PA07 PL01,PL09 6.7.98
abs366 A measurement of R_b using a double tagging method PN349 PA01,PA07 PL01,PL09 7.7.98
abs367 A measurement of the semileptonic branching ratio of charm hadrons in Z-->cc events PN347 PA01,PA09 PL01,PL011 3.7.98
abs368 Measurement of f(c->D*+X), f(b->D*+X) and Gamma_cc(bar)/Gamma_had Using D*+- Mesons PR208 PA01,PA07,
PA08,PA09		 PL01,PL09,
PL10,PL11		 20.6.98
abs369 Measurements of the b Quark Forward-backward Asymmetry around the Z0 Peak Using Jet Charge and Vertex Charge PR195 PA01,PA07 PL01,PL09 20.6.98
abs370 Measurement of the semileptonic branching fraction of inclusive b hadrons PN334 PA01,PA07,
PA08		 PL01,PL09,
PA10		 1.7.98
abs1037 Search for Radially Excited D*'+ Meson PN352 PA 8,9
PA08		 PL 10,11 19.7.98




Heavy Flavour Exclusives and Oscillations
Abstract Title OPAL
Document		 Parallel
Session		 Plenary
Session		 Sent?
abs316 A Measurement of the B_s0 Lifetime Using Reconstructed D_s- Mesons PR210 PA07,PA08 PL09,PL10 20.6.98
abs317 Measurements of the B0_s and Lambda0_b Lifetimes PR225 PA07,PA08 PL09,PL10 20.6.98
abs318 Search for the B_c Meson in Hadronic Z0 Decays PR223 PA07,PA08 PL09,PL10 20.6.98
abs319 Investigation of CP Violation in B0->J/psi Ks Decays at LEP PR228 PA01,PA06,
PA08		 PL01,PL08,
PL10		 20.6.98
abs320 A measurement of the b-baryon polarisation PR255 PA 4,5,7,8 PL 6,7,9,10 20.7.98
abs371 An Updated Study of B Meson Oscillations using Dilepton Events PR204 PA01,PA06,
PA08		 PL01,PL08,
PL09,PL10		 20.6.98
abs372 A Study of B Meson Oscillations Using Hadronic Z0 Decays Containing Leptons PR200 PA01,PA06,
PA08		 PL01,PL08,
PL09,PL10		 20.6.98
abs373 Determination of the Production Rate of D*0 Mesons and of the ratio V/(V+P) PR227 PA03,PA04,
PA05,PA07,
PA09		 PL04,PL06,
PL07,PL11		 23.6.98
abs374 B* Production in Z0 Decays PR192 PA03,PA04,
PA05,PA07,
PA09		 PL04,PL06,
PL07,PL09,
PL10		 20.6.98
abs375 Measurement of the Semileptonic Branching Fraction of Inclusive b Baryon Decays to Lambda PR189 PA07,PA08 PL09,PL010 20.6.98
abs376 A Measurement of V_cb Using B0(bar) -> D*+l-nu_l(bar) Decays PR187 PA01,PA07,
PA08		 PL01,PL09,
PL010		 20.6.98




QCD and Inclusives (LEP1)
Abstract Title OPAL
Document		 Parallel
Session		 Plenary
Session		 Sent?
abs291 Bose-Einstein Correlations of Three Charged Pions in Hadronic Z0 decays PR239 PA04,PA05,
PA07		 PL03,PL05 23.6.98
abs292 Photon and light meson production in Z0 decay PR236 PA04,PA05,
PA11		 PL03,PL05,
PL09		 23.6.98
abs294 Measurement of flavour dependent fragmentation functions in Z->qq events PR240 PA03,PA04,
PA05		 PL04,PL05,
PL06		 23.6.98
abs295 A test of the flavour independence of alpha_s using next-to-leading order calculations including mass effects PN346 PA03 PL04,PL05,
PL18		 25.6.98
abs296 Experimental properties of gluon and quark jets produced from a point source PN344 PA03,PA05,
PA09		 PL04,PL05,
PL18		 24.6.98
abs297 Intermittency and correlations at the Z0 peak PN345 PA03,PA05 PL04,PL05,
PL07		 25.6.98
abs298 A Study of Parton Fragmentattion in Hadronic Z0 Decys Using Lambda-Lambdabar Rapidity Correlations PR251 PA 3,5 PL 4,5,7 19.7.98
abs299 A search for the tensor glueball candidate f_J(2220) in hadronic Z0 Decays PN357 PA 3,5,9 PL 4,5,11 20.7.98
abs301 Measurement of the longitudinal cross-section in hadronic events at LEP PR253 PA 3 PL 4,5 19.7.98
abs377 Production of K0s and Lambda in Quark and Gluon Jets from Z0 Decays PR235 PA03,PA05,
PA09		 PL04,PL11 20.6.98
abs378 Production of f_0(980), f_2(1270) and phi(1020) in Hadronic Z0 Decays PR230 PA03,PA05,
PA09		 PL04,PL11 20.6.98
abs379 Multiplicity distribution of gluon and quark jets and test of QCD analytic predictions PR214 PA03,PA05 PL04,PL05,
PL07,PL09		 20.6.98
abs380 Polarization and Forward-Backward Asymmetry of Lambda Baryons in Hadronic Z0 Decays PR212 PA03,PA04.
PA09		 PL04,PL05,
PL06,PL11		 23.6.98
abs381 Spin Alignment of Leading K*0(892) Mesons in Hadronic Z0 Decays PR209 PA03,PA04.
PA09		 PL04,PL05,
PL06,PL07,
PL11		 20.6.98
abs382 Measurement of the Quark to Photon Fragmentation Function through the Inclusive Production of Prompt Photons in Hadronic Zo Decays PR206 PA03,PA05 PL04,PL05,
PL07,PL09,
PL10,PL11		 20.6.98
abs383 Measurement of the Branching Fractions and Forward-Backward Asymmetries of the Z0 into Light Quarks PR203 PA01,PA03 PL01,PL04 20.6.98
abs384 Production of P-Wave Charm and Charm-Strange Mesons in Hadronic Z0 Decays PR199 PA03,PA05,
PA07,PA09		 PL04,PL05,
PL09,PL11		 23.6.98
abs385 Study of phi(1020), D*+- and B* Spin Alignment in Hadronic Z0 Decays PR196 PA03,PA04,
PA05,PA06,
PA08,PA09		 PL04,PL05,
PL06,PL07,
PL09,PL11		 23.6.98
abs388 Identified Charged Particle Production in Quark and Gluon Jets PN299 PA03,PA05 PL04,PL07 1.7.98




W-Pairs and Triple Gauge Couplings
Abstract Title OPAL
Document		 Parallel
Session		 Plenary
Session		 Sent?
abs389 Measurement of triple gauge boson couplings from W+W- production at sqrt(s)=183 GeV PN354 PA 1 PL 1 19.8.98
abs390 Limits on anomalous triple gauge boson couplings from single W production in e+e- collisions at sqrt(s)=161-184 GeV PN308 PA01 PL01 13.7.98
abs391 Bose-Einstein Correlations in Hadronic Decays of W pairs at LEP II PN330 PA01,PA03
PA05		 PL04,PL07 1.7.98
abs392 Measurement of the mass of the W-boson from direct reconstruction PN331 PA01 PL01 1.7.98
abs393 Measurement of the W+W- Production Cross-section and W-boson Decay Branching Fractions at sqrt(s)=183 GeV PN354 PA 1 PL 1 19.7.98
abs394 Measurement of R_cW in e+e- -> W+w- at sqrt(s) = 183 GeV PN355 PA 1 PL 1 19.7.98
abs395 Measurements of the properties of the hadronic final state in W+W- events PN365 PA 1,3,5 PL 4,7 20.7.98
abs396 Measurement of sigma(WW) at sqrt(s) = 189 GeV PN360 PA 1 PL 1 19.7.98




Standard Model Processes at LEP2
Abstract Title OPAL
Document		 Parallel
Session		 Plenary
Session		 Sent?
abs264 Tests of the Standard Model and constraints on new physics from measured fermion-pair production PR247 PA01,PA10 PL01,PA12 12.7.98
abs265 First Measurement of Z/gamma^* Production in Compton Scattering of Quasi-real Photons PR252 PA 1,5 PL 1,7 20.7.98
abs266 Multiphotonic production at $\sqrt{s} = 183$~GeV PR243 PA01 PL01 23.6.98
abs267 Observation of ZZ production at LEP II PN363 PA 1 PL 1 20.7.98
abs268 Measurements of R_b and Bottom and Charm Asymmetries in e+e- Collisions at 130-183 with the OPAL Detector at LEP PN348 PA01,PA07 PL01,PL09 6.7.98




QCD at LEP2
Abstract Title OPAL
Document		 Parallel
Session		 Plenary
Session		 Sent?
abs304 QCD studies with e+e- annihilation data at 172 GeV PN281 PA04,PA05,PA18 PL03,PL05 14.7.98
abs304 Initial studies of hadronic events at 183 GeV at LEP2 PN315 PA04,PA05,PA18 PL03,PL05 14.7.98
abs305 Study of the running of alpha_S between LEP1 and LEP2 PN310 PA04,PA05,PA18 PL03,PL05 3.7.98




Two-Photon Physics
Abstract Title OPAL
Document		 Parallel
Session		 Plenary
Session		 Sent?
abs196 Production of Chi_c2 Mesons in Photon-Photon Collisions at LEP PR248 PA05,PA07,
PA09		 PL11 12.7.98
abs197 Inclusive Production of Charged Hadrons and K^0_S Mesons in Photon-Photon Collisions PR241 PA03,PA05 PL04,PL05,
PL06,PL07		 24.6.98
abs198 Dijet Production in Photon-Photon Collisions at sqrt(s)=161 and 172 GeV PR250 PA 3,5 PL 4,5,7 20.7.98
abs199 Total Hadronic Cross-Section for Photon-Photon Interactions at LEP PN320 PA04,PA05 PL05 1.7.98
abs397 Measurement of the Photon Structure Function F_2gamma at Low x PR213 PA04,PA05 PL06,PL07 20.6.98
abs398 Measurement of the Q2 Evolution of the Photon Structure Function F_2^gamma PR207 PA04,PA05 PL06,PL07 23.6.98
abs399 Analysis of Hadronic Final States and the Photon Structure Function F_2gamma in Deep Inelastic Electron-Photon Scattering at LEP PR185 PA04,PA05 PL06,PL07 23.6.98
abs400 Measurement of the QED Structure Functions of the Photon Using Azimuthal Correlations at LEP PR182 PA04,PA05 PL06,PL07 23.6.98




Higgs Searches
Abstract Title OPAL
Document		 Parallel
Session		 Plenary
Session		 Sent?
abs353 Search for Higgs Bosons Decaying in Photons at $\sqrt{s} = 183$~GeV PR244 PA01,PA10 PL01,PL10 3.7.98
abs354 Standard Model Higgs Search PN366 PA 1,10 PL 1,12 19.7.98
abs355.1 Search for Two Higgs Doublet and MSSM Neutral Higgs Bosons PR232 PA10,PA16 PL12,PL19 22.6.98
abs355.2 Search for Two Higgs Doublet and MSSM Neutral Higgs Bosons PN366 PA 10,16 PL 12,19 19.7.98
abs356 Charged Higgs Search PN366 PA 10,16 PL 12,19 19.7.98
abs357 Search for Invisibly Decaying Higgs Bosons PA10, PL12 PN366 PA 10,16 PL 12,19 19.7.98




Searches
Abstract Title OPAL
Document		 Parallel
Session		 Plenary
Session		 Sent?
abs273 Search for Chargino and Neutralino Production at $\sqrt{s} = 181-184$~GeV and at $\sqrt{s} = 189$~GeV at LEP PN350 PA10 PL12 12.7.98
abs274 Search for Chargino and Neutralino Production at $\sqrt{s} = 181-184$~GeV and at $\sqrt{s} = 189$~GeV at LEP New Constraints of Neutralino Cold Dark Matter ... PN350 PA10 PL12 12.7.98
abs275 Search for Anomalous Photonic Events with Missing Energy at LEP2 by OPAL PN351 PA 1,10 PL 1,12 19.7.98
abs276 Search for Scalar Top and Bottom Quarks at $\roots$ = 181-183 GeV and at 189 GeV PR249 PA10 PL12 12.7.98
abs277 Search for Stable and Long-Lived Massive Charged Particles in e$^+$e$^-$ Collisions at $\sqrt{s}=130 -183$~GeV PR234 PA10 PL12 25.6.98
abs278 Search for Gauginos with R-Parity violating Decays PN356 PA 10 PL 12 19.7.98
abs279 Searches for R-parity Violating Decays of Sfermions at LEP PN359 PA 10 PL 12 19.7.98
abs280 Searches for Gauginos and Sfermions in Models with Gauge Mediated SUSY breaking with OPAL at LEP2 PN332 PA10 PL12 12.7.98
abs281 Search for Anomalous Production of Acoplanar Di-lepton Events at LEP2 PN367 and and PN341 PA 1,10 PL 1,12 20.7.98
abs283 Search for Unstable Heavy and Excited Leptons at LEP2 PN343 PA10 PL12 26.6.98
abs342 Search for Single Leptoquark Production in Electron-Photon Collisions using the OPAL Detector PN288 PA10 PL12 3.7.98
abs402 Search for an Excess in the Production of Four-Jet Events from e+e- Collisions at sqrt(s)=130-184 GeV PR231 PA10 PL12 23.6.98




Collective notes
Abstract Title OPAL
Document		 Parallel
Session		 Plenary
Session		 Sent?
abs1065 New Particle Searches in e+e- Collisions at sqrt(s)=189 GeV PN362 PA 1,10,11 PL 1,12,13 20.7.98
abs1066 Search for Higgs Bosons in e+e- Collisions at sqrt(s)=189 GeV PN361 PA 1,10,11 PL 1,12,13 20.7.98
abs1067 Standard Model Measurements in e+e- Collisions at sqrt(s)=189 GeV PN360 PA 1,10 PL 1,12 18.7.98

Last updated 22 July 1998, OPAL Webweavers