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Gennaro Corcella3/28/12, 1:30 PMElectroweak and searches/structure functionsSearching for heavy neutral gauge bosons Z', predicted in extensions of the Standard Model based on a U(1)' gauge symmetry, is among the main new physics investigations undertaken by the experiments at the Tevatron and at the Large Hadron Collider. I will discuss study Z' phenomenology at hadron colliders according to several U(1)'-based models and in the Sequential Standard Model. In...Go to contribution page
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Hugh Skottowe (Harvard University (US))3/28/12, 1:48 PMElectroweak and searches/structure functionsDiboson cross sections have been measure for all combinations of W,Z and isolated photons. The cross sections are measured in kinematic regions defined by the decay kinematics, in some cases including vetoes on additional jets. The measurements are also extrapolated to the full phase space using theoretical calculations of the acceptance, and are additionally used to place contsraints...Go to contribution page
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Santiago Folgueras (Universidad de Oviedo (ES))3/28/12, 2:06 PMElectroweak and searches/structure functionsWe present studies of diboson production in pp collisions at 7 TeV center-of-mass energy based on data recorded by the CMS detector at the LHC in 2010 and 2011. These include precise measurements of W and Z production in association with a photon and of WW production, WZ and ZZ productions at the LHC. The leptonic decay modes of the W and Z bosons are used. The results are interpreted in...Go to contribution page
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Mika Vesterinen (University of Manchester)3/28/12, 2:24 PMElectroweak and searches/structure functionsWZ/WW at the Tevatron (including WW/WZ+jets)Go to contribution page
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Tom Riddick3/28/12, 2:42 PMElectroweak and searches/structure functionsThe CDF collaboration has analyzed 2.2 fb-1 of Run II electron and muon data for a new precise determination of the mass of the W boson. The result is 80.387 +/- 0.019 GeV/c2, which is more precise than the combination of all preceding measurements. An update from D0 is also expected.Go to contribution page
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Takuya Nobe (Tokyo Institute of Technology (JP))3/28/12, 3:00 PMElectroweak and searches/structure functionsA search for events ep-> ep Z0 has been performed in ep collisions at HERA using the ZEUS detector. The search is based on the entire HERA-I and HERA-II data set, amounting to 0.49 fb-1 of integrated luminosity. The Z0 was searched in the di-jet decay mode with elastic condition defined by etamax < 3, where etamax is defined as the pseudorapidity of the energy deposit in the calorimeter...Go to contribution page
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Martin Hentschinski (Autonoma University Madrid/CSIC)3/28/12, 4:00 PMElectroweak and searches/structure functionsWe study W/Z/DY + jet events where the W/Z/DY boson is produced in the forward direction of one of the colliding protons and a jet is produced in the forward direction of the second proton. The resulting large rapidity difference between the final states then opens up the phase space for BFKL evolution which we would like to study in more detail. As a by-product of our study, we also provide...Go to contribution page
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Jean-Baptiste Sauvan (Universite de Paris-Sud 11 (FR))3/28/12, 4:18 PMElectroweak and searches/structure functionsW and Z boson production have been measured in the electron, muon and tau decay channels. Total and differential cross sections, defined in terms of the decay lepton kinematics, have been measured as a function of rapidity and transverse momentum. Ratios of the cross sections demonstrate sensitivity to lepton universality, and the kinematic distributions constrain parton densities and QCD...Go to contribution page
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Mr Stephen Farry (University College Dublin (IE))3/28/12, 4:36 PMElectroweak and searches/structure functionsWe report on measurements of W and Z production in the forward region, using data collected at the LHCb experiment with a centre of mass energy of $\sqrt{s}=7$~TeV with an integrated luminosity of up to 1 fb-1. W and Z bosons are reconstructed in leptonic decay channels, and their cross-sections determined using data-driven techniques. Results are presented inclusively (within the fiducial...Go to contribution page
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Marco Musich (INFN Torino (IT))3/28/12, 4:54 PMElectroweak and searches/structure functionsThe mechanism of production of heavy-flavoured mesons, containing b or c quarks, in association with vector bosons, W or Z, in the Standard Model is only partially understood. The study of events with one or two well-identified and isolated leptons accompanied by b-jets or secondary vertices is therefore crucial to refine the theoretical calculations in perturbative QCD, as well as...Go to contribution page
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Jonathan Anderson (Universitaet Zuerich (CH))3/28/12, 5:12 PMElectroweak and searches/structure functionsWe report on Drell-Yan production using data collected at the LHCb experiment with a centre of mass energy of $\sqrt{s}=7$~TeV in 2010. Drell-Yan events are selected with invariant di-muon masses $M_{\mu\mu}>10$~GeV/$c^2$. These measurements are sensitive to Bjorken-$x$ values as low as $1\times 10^{-5}$ and will provide important input to the knowledge of the parton density functions. The...Go to contribution page
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