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A Combination of Preliminary Electroweak Measurements and Constraints on the Standard Model, 2002
his note presents a combination of published and preliminary electroweak results from the four LEP collaborations and the SLD collaboration which were prepared for the 2002 summer conferences. Averages from Z resonance results are derived for hadronic and leptonic cross sections, the leptonic forwar...
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| Lenguaje: | eng |
| Publicado: |
2002
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| Materias: | |
| Acceso en línea: | http://cds.cern.ch/record/602720 |
| _version_ | 1780900034993192960 |
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| author | Abbaneo, D Ainsly, C Alcaraz, J Antilogus, P Bajo-Vaquero, A Bambade, P Barberio, E Blondel, A Bouhova-Thacker, E Blyth, S Bourilkov, D Checchia, P Chierici, R Clare, R Van Dalen, J De Bonis, I de la Cruz, B Dierckxsens, M Duchesneau, D Duckeck, G Elsing, M García-Abia, P Grünewald, M W Gurtu, A Hansen, J B Hawkings, R Holt, J Jézéquel, S Jones, R W L Kawamoto, T Kersevan, Borut P Kjaer, N J Lançon, E Malgeri, L Mariotti, C Martínez, M Matorras, F Matteuzzi, C Mele, S Migliore, E Minard, M N Mönig, K Nowell, J Parkes, C Parzefall, U Pepé-Altarelli, M Pietrzyk, B Quast, G Renton, P B Riemann, S Sachs, K Strässner, A Strom, D Tenchini, Roberto Teubert, F Todorova-Nová, S Tournefier, E Valassi, Andrea Voss, H Ward, C P Watson, N K Wynhoff, S De Groot, N Rowson, P C Schumm, B Su, D |
| author_facet | Abbaneo, D Ainsly, C Alcaraz, J Antilogus, P Bajo-Vaquero, A Bambade, P Barberio, E Blondel, A Bouhova-Thacker, E Blyth, S Bourilkov, D Checchia, P Chierici, R Clare, R Van Dalen, J De Bonis, I de la Cruz, B Dierckxsens, M Duchesneau, D Duckeck, G Elsing, M García-Abia, P Grünewald, M W Gurtu, A Hansen, J B Hawkings, R Holt, J Jézéquel, S Jones, R W L Kawamoto, T Kersevan, Borut P Kjaer, N J Lançon, E Malgeri, L Mariotti, C Martínez, M Matorras, F Matteuzzi, C Mele, S Migliore, E Minard, M N Mönig, K Nowell, J Parkes, C Parzefall, U Pepé-Altarelli, M Pietrzyk, B Quast, G Renton, P B Riemann, S Sachs, K Strässner, A Strom, D Tenchini, Roberto Teubert, F Todorova-Nová, S Tournefier, E Valassi, Andrea Voss, H Ward, C P Watson, N K Wynhoff, S De Groot, N Rowson, P C Schumm, B Su, D |
| author_sort | Abbaneo, D |
| collection | CERN |
| description | his note presents a combination of published and preliminary electroweak results from the four LEP collaborations and the SLD collaboration which were prepared for the 2002 summer conferences. Averages from Z resonance results are derived for hadronic and leptonic cross sections, the leptonic forward-backward asymmetries, the tau polarisation asymmetries, the b-bbar and c-cbar partial widths and forward-backward asymmetries and the q-qbar charge asymmetry. Above the Z resonance, averages are derived for di-fermion cross sections and forward-backward asymmetries, photon-pair, W-pair, Z-pair single-W and single-Z cross sections, electroweak gauge boson couplings, W mass and width and W decay branching ratios. The main changes with respect to the experimental results presented in summer 2001 are updates to the Z-pole heavy flavour results from SLD and LEP, and new combinations of results above the Z pole. A new investigation of the interference of photon and Z-boson exchange is presented. For the first time, colour reconnection and Bose-Einstein correlation analyses in W-pair production are combined. The results are compared with precise electroweak measurements from other experiments, notably the recent final result on the electroweak mixing angle determined in neutrino-nucleon scattering by the NuTeV collaboration. The parameters of the Standard Model are evaluated, first using the combined LEP electroweak measurements, and then using the full set of electroweak results. |
| id | cern-602720 |
| institution | Organización Europea para la Investigación Nuclear |
| language | eng |
| publishDate | 2002 |
| record_format | invenio |
| spelling | cern-6027202022-01-28T09:11:06Zhttp://cds.cern.ch/record/602720engAbbaneo, DAinsly, CAlcaraz, JAntilogus, PBajo-Vaquero, ABambade, PBarberio, EBlondel, ABouhova-Thacker, EBlyth, SBourilkov, DChecchia, PChierici, RClare, RVan Dalen, JDe Bonis, Ide la Cruz, BDierckxsens, MDuchesneau, DDuckeck, GElsing, MGarcía-Abia, PGrünewald, M WGurtu, AHansen, J BHawkings, RHolt, JJézéquel, SJones, R W LKawamoto, TKersevan, Borut PKjaer, N JLançon, EMalgeri, LMariotti, CMartínez, MMatorras, FMatteuzzi, CMele, SMigliore, EMinard, M NMönig, KNowell, JParkes, CParzefall, UPepé-Altarelli, MPietrzyk, BQuast, GRenton, P BRiemann, SSachs, KSträssner, AStrom, DTenchini, RobertoTeubert, FTodorova-Nová, STournefier, EValassi, AndreaVoss, HWard, C PWatson, N KWynhoff, SDe Groot, NRowson, P CSchumm, BSu, DA Combination of Preliminary Electroweak Measurements and Constraints on the Standard Model, 2002Particle Physics - Experimenthis note presents a combination of published and preliminary electroweak results from the four LEP collaborations and the SLD collaboration which were prepared for the 2002 summer conferences. Averages from Z resonance results are derived for hadronic and leptonic cross sections, the leptonic forward-backward asymmetries, the tau polarisation asymmetries, the b-bbar and c-cbar partial widths and forward-backward asymmetries and the q-qbar charge asymmetry. Above the Z resonance, averages are derived for di-fermion cross sections and forward-backward asymmetries, photon-pair, W-pair, Z-pair single-W and single-Z cross sections, electroweak gauge boson couplings, W mass and width and W decay branching ratios. The main changes with respect to the experimental results presented in summer 2001 are updates to the Z-pole heavy flavour results from SLD and LEP, and new combinations of results above the Z pole. A new investigation of the interference of photon and Z-boson exchange is presented. For the first time, colour reconnection and Bose-Einstein correlation analyses in W-pair production are combined. The results are compared with precise electroweak measurements from other experiments, notably the recent final result on the electroweak mixing angle determined in neutrino-nucleon scattering by the NuTeV collaboration. The parameters of the Standard Model are evaluated, first using the combined LEP electroweak measurements, and then using the full set of electroweak results.hep-ex/0212036CERN-ALEPH-2002-042CERN-DELPHI-2002-098-PHYS-927CERN-EP-2002-091CERN-L3-265CERN-L3-Note-2788CERN-LEPEWWG-2002-02CERN-OPAL-PR-370CERN-PHYS-927CERN-PHYSIC-2002-018DELPHI-2002-098-PHYS-927oai:cds.cern.ch:6027202002-12-17 |
| spellingShingle | Particle Physics - Experiment Abbaneo, D Ainsly, C Alcaraz, J Antilogus, P Bajo-Vaquero, A Bambade, P Barberio, E Blondel, A Bouhova-Thacker, E Blyth, S Bourilkov, D Checchia, P Chierici, R Clare, R Van Dalen, J De Bonis, I de la Cruz, B Dierckxsens, M Duchesneau, D Duckeck, G Elsing, M García-Abia, P Grünewald, M W Gurtu, A Hansen, J B Hawkings, R Holt, J Jézéquel, S Jones, R W L Kawamoto, T Kersevan, Borut P Kjaer, N J Lançon, E Malgeri, L Mariotti, C Martínez, M Matorras, F Matteuzzi, C Mele, S Migliore, E Minard, M N Mönig, K Nowell, J Parkes, C Parzefall, U Pepé-Altarelli, M Pietrzyk, B Quast, G Renton, P B Riemann, S Sachs, K Strässner, A Strom, D Tenchini, Roberto Teubert, F Todorova-Nová, S Tournefier, E Valassi, Andrea Voss, H Ward, C P Watson, N K Wynhoff, S De Groot, N Rowson, P C Schumm, B Su, D A Combination of Preliminary Electroweak Measurements and Constraints on the Standard Model, 2002 |
| title | A Combination of Preliminary Electroweak Measurements and Constraints on the Standard Model, 2002 |
| title_full | A Combination of Preliminary Electroweak Measurements and Constraints on the Standard Model, 2002 |
| title_fullStr | A Combination of Preliminary Electroweak Measurements and Constraints on the Standard Model, 2002 |
| title_full_unstemmed | A Combination of Preliminary Electroweak Measurements and Constraints on the Standard Model, 2002 |
| title_short | A Combination of Preliminary Electroweak Measurements and Constraints on the Standard Model, 2002 |
| title_sort | combination of preliminary electroweak measurements and constraints on the standard model, 2002 |
| topic | Particle Physics - Experiment |
| url | http://cds.cern.ch/record/602720 |
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