{"id":{"repo_id":"freiburg-diss","oai_identifier":"oai:freidok.uni-freiburg.de:32"},"canonical_url":"https://search.dev.ndltd.org/etd/freiburg-diss/oai:freidok.uni-freiburg.de:32","repository":{"repo_id":"freiburg-diss","name":"University of Freiburg","base_url":"https://freidok.uni-freiburg.de/oai/oai2.php"},"display":{"title":"Measurement of Single W Production and Triple Gauge Boson Couplings in e+e- Collisions at sqrt(s)=161-189 GeV","abstract":"Single W production in the e+e- --> qqbarenu reaction has been studied using a
data sample with an integrated luminosity of 251 pb-1 collected between 1996 and
1998 with the OPAL detector at LEP2. A sample of 92 events is selected in the
data, for a MC prediction of 87.6+/-3.7 events. The selected events are used to
measure the parameters describing the triple gauge boson vertex gWW:
kg=1.15+0.18/-0.20 and lg=-0.47+0.39/-0.27, where the errors include both
statistical and systematic uncertainties and each parameter is determined
setting the other to its Standard Model value. The cross section S for the
e+e- --> qqbarenu process proceeding through t-channel diagrams is measured
in the kinematic region Mqq>40 GeV/c2 at sqrt(s)=189 GeV to be
S=(615+150/-135+/-60) fb, where the first error is statistical and the
second systematic. All measurements are consistent with the Standard Model
predictions.","abstract_html":"Single W production in the e+e- --> qqbarenu reaction has been studied using a <br>data sample with an integrated luminosity of 251 pb-1 collected between 1996 and <br>1998 with the OPAL detector at LEP2. A sample of 92 events is selected in the <br>data, for a MC prediction of 87.6+/-3.7 events. The selected events are used to <br>measure the parameters describing the triple gauge boson vertex gWW: <br>kg=1.15+0.18/-0.20 and lg=-0.47+0.39/-0.27, where the errors include both <br>statistical and systematic uncertainties and each parameter is determined <br>setting the other to its Standard Model value. The cross section S for the <br>e+e- --> qqbarenu process proceeding through t-channel diagrams is measured <br>in the kinematic region Mqq>40 GeV/c2 at sqrt(s)=189 GeV to be <br>S=(615+150/-135+/-60) fb, where the first error is statistical and the <br>second systematic. All measurements are consistent with the Standard Model <br>predictions.","abstract_has_math":false,"creators":["Verzocchi, Marco"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["Herten, Gregor"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":null,"date_issued":"","date_published":null,"updated_at":"2026-07-24T02:21:24Z","subjects":["Particle Physics","Experiment,"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://freidok.uni-freiburg.de/data/32","outbound_label":"Repository record","outbound_source":"source_url"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Herten, Gregor"]},{"key":"dc:creator","label":"Author","values":["Verzocchi, Marco"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:type","label":"Dc Type","values":["DoctoralThesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Particle Physics","Experiment,"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Single W production in the e+e- --> qqbarenu reaction has been studied using a
data sample with an integrated luminosity of 251 pb-1 collected between 1996 and
1998 with the OPAL detector at LEP2. A sample of 92 events is selected in the
data, for a MC prediction of 87.6+/-3.7 events. The selected events are used to
measure the parameters describing the triple gauge boson vertex gWW:
kg=1.15+0.18/-0.20 and lg=-0.47+0.39/-0.27, where the errors include both
statistical and systematic uncertainties and each parameter is determined
setting the other to its Standard Model value. The cross section S for the
e+e- --> qqbarenu process proceeding through t-channel diagrams is measured
in the kinematic region Mqq>40 GeV/c2 at sqrt(s)=189 GeV to be
S=(615+150/-135+/-60) fb, where the first error is statistical and the
second systematic. All measurements are consistent with the Standard Model
predictions."]},{"key":"dc:format.medium","label":"Dc Format Medium","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Measurement of Single W Production and Triple Gauge Boson Couplings in e+e- Collisions at sqrt(s)=161-189 GeV"]}]}],"canonical_facts":{"dc:contributor":["Herten, Gregor"],"dc:creator":["Verzocchi, Marco"],"dc:description.abstract":["Single W production in the e+e- --> qqbarenu reaction has been studied using a
data sample with an integrated luminosity of 251 pb-1 collected between 1996 and
1998 with the OPAL detector at LEP2. A sample of 92 events is selected in the
data, for a MC prediction of 87.6+/-3.7 events. The selected events are used to
measure the parameters describing the triple gauge boson vertex gWW:
kg=1.15+0.18/-0.20 and lg=-0.47+0.39/-0.27, where the errors include both
statistical and systematic uncertainties and each parameter is determined
setting the other to its Standard Model value. The cross section S for the
e+e- --> qqbarenu process proceeding through t-channel diagrams is measured
in the kinematic region Mqq>40 GeV/c2 at sqrt(s)=189 GeV to be
S=(615+150/-135+/-60) fb, where the first error is statistical and the
second systematic. All measurements are consistent with the Standard Model
predictions."],"dc:format.medium":["application/pdf"],"dc:subject":["Particle Physics","Experiment,"],"dc:title":["Measurement of Single W Production and Triple Gauge Boson Couplings in e+e- Collisions at sqrt(s)=161-189 GeV"],"dc:type":["DoctoralThesis"]},"updated_at":"2026-07-24T02:21:24Z"}