English
Related papers

Related papers: Precision Electroweak Tests of the Standard Model

200 papers

Highlights of ATLAS and CMS measurements involving the production of heavy electroweak gauge bosons, W and Z, at the LHC are presented. Cross sections of single W and Z bosons are studied with very high precision and differential in various…

High Energy Physics - Experiment · Physics 2012-07-19 Jan Kretzschmar

Electroweak precision observables allow stringent tests of the Standard Model at the quantum level and imply interesting bounds on the mass of the Higgs boson through higher-order loop effects. Very significant constraints come especially…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Freitas , M. Awramik , M. Czakon

The top quark is the heaviest of the six quarks of the Standard Model. Precise knowledge of its mass is important for imposing constraints on a number of physics processes, including interactions of the as yet unobserved Higgs boson. The…

High Energy Physics - Experiment · Physics 2015-05-30 Angela Barbaro Galtieri , Fabrizio Margaroli , Igor Volobouev

The first calculation of the next-to-leading-order electroweak corrections to Z-boson + jet hadroproduction including leptonic Z-boson decays is presented, i.e. to the production of a charged lepton--anti-lepton final state in association…

High Energy Physics - Phenomenology · Physics 2015-05-27 Ansgar Denner , Stefan Dittmaier , Tobias Kasprzik , Alexander Mück

The current status of the quantities entering into the global electroweak fits is reviewed, highlighting changes since Summer 2003. These data include the precision electroweak properties of the Z and W bosons, the top-quark mass and the…

High Energy Physics - Phenomenology · Physics 2017-08-23 Peter B. Renton

A novel method of determining the mass of the W boson in the W+W- -> lnu lnu channel is presented and applied to 667pb^-1 of data recorded at the center-of- mass energies in the range 183-207 GeV with the OPAL detector at LEP. The Measured…

High Energy Physics - Experiment · Physics 2008-11-26 The OPAL collaboration , G. Abbiendi

We summarize the status of calculations of the electroweak radiative corrections to W and Z boson production via the Drell-Yan mechanism at hadron colliders. To fully exploit the precision physics potential of the high-luminosity…

High Energy Physics - Phenomenology · Physics 2009-11-07 U. Baur , D. Wackeroth

The mass of the top quark has been measured at Fermilab using the Tevatron ppbar collider to a precision of less than 1%. I discuss the individual measurements that go into this result and its impact on our understanding of the standard…

High Energy Physics - Experiment · Physics 2008-06-09 Ulrich Heintz

The W boson mass (mW) is a key parameter of the standard model, constraining the mass of the unobserved Higgs boson. Using Tevatron ppbar collision data from 1992-1996, the CDF and D0 collaborations measured mW to a precision of 59 MeV. The…

High Energy Physics - Experiment · Physics 2019-08-14 Chris Hays

At LEP2 many Standard Model predictions are tested up to centre-of-mass energies of 209 GeV. Fermion pair production cross sections and asymmetries agree well with the theoretical expectation over the entire energy range. The measurements…

High Energy Physics - Experiment · Physics 2007-05-23 Stephan Wynhoff

We measure the mass of the top quark in lepton+jets final states using the full sample of $p\bar{p}$ collision data collected by the D0 experiment in Run~II of the Fermilab Tevatron Collider at $\sqrt s=1.96~$TeV, corresponding to $9.7~{\rm…

High Energy Physics - Experiment · Physics 2014-07-21 D0 Collaboration

We present the first calculation of the next-to-leading-order electroweak corrections to W-boson + jet hadroproduction including leptonic W-boson decays. The W-boson resonance is treated consistently using the complex-mass scheme, and all…

High Energy Physics - Phenomenology · Physics 2009-09-28 Ansgar Denner , Stefan Dittmaier , Tobias Kasprzik , Alexander Mück

From the LEP precision data and the measurement of the W-boson mass, upon excluding the observables Rb, Rc in a combined fit of the top-quark mass, Mt, and the Higgs-boson mass, MH, within the Standard Model, we find the weak 1sigma bound…

High Energy Physics - Phenomenology · Physics 2009-10-28 S. Dittmaier , D. Schildknecht , G. Weiglein

This thesis dissertation presents a prospect for a measurement of the charge asymmetry of the W boson mass (MW+ - MW-) at the LHC within the ATLAS experiment. This measurement is of primordial importance for the LHC experimental program,…

High Energy Physics - Experiment · Physics 2009-09-30 Florent Fayette

We obtain limits on generic vector-like leptons at the TeV scale from electroweak precision tests. These limits are complementary to the ones obtained from lepton flavour violating processes. In general, the quality of the global…

High Energy Physics - Phenomenology · Physics 2008-11-26 F. del Aguila , J. de Blas , M. Perez-Victoria

In this review, we summarize tests of standard electroweak (EW) theory at the highest available energies as a precursor to the Large Hadron Collider (LHC) era. Our primary focus is on the published results (as of March 2010) from proton-…

High Energy Physics - Experiment · Physics 2015-03-13 John D. Hobbs , Mark S. Neubauer , Scott Willenbrock

In 1997 each LEP experiment collected approximately 55 inv. pb of data at a center-of-mass energy of 183 GeV. These data yield a sample of candidate e+e- -> WW events from which the mass of the W boson, Mw, is measured. The LEP combined…

High Energy Physics - Experiment · Physics 2007-05-23 D. Glenzinski

The precision measurement of the W boson mass allows to perform stringent consistency tests of the Standard Model by means of global electroweak fits. The accurate determination of the W boson mass is one of the legacy results of the…

High Energy Physics - Phenomenology · Physics 2013-05-22 Juan Rojo

The agreement of electroweak measurements with theory places limits on the masses of the top quark and the $W$ boson. It is shown how these limits arise and what constraints various measurements (particularly a top quark mass determination)…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jonathan L. Rosner

We argue that the present value and accuracy of $M_W$ and $m_t$ measurements tend to favor the MSSM over the SM. By speculating that a precision of the order 40 MeV and 3 GeV respectively for $M_W$ and $m_t$ will be achieved at LEP2 and…

High Energy Physics - Phenomenology · Physics 2009-10-30 Kyungsik Kang , Sin Kyu Kang
‹ Prev 1 4 5 6 7 8 10 Next ›