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From 1996 up to 2000 the LEP collider at CERN has operated at center of mass energies above the production threshold for W boson pairs of approximately 160 GeV. The obtained data are used to extract a preliminary W mass value of (80.450 +-…

High Energy Physics - Experiment · Physics 2007-05-23 K. Rabbertz

This report describes a measurement of the top quark mass in $\ppbar$ collisions at a center of mass energy of 1.8 TeV. The data sample was collected with the CDF detector during the 1992--95 collider run at the Fermilab Tevatron, and…

High Energy Physics - Experiment · Physics 2012-08-27 The CDF Collaboration

The top-quark mass is measured in proton-proton collisions at sqrt(s) = 7 TeV using a data sample corresponding to an integrated luminosity of 5.0 inverse femtobarns collected by the CMS experiment at the LHC. The measurement is performed…

High Energy Physics - Experiment · Physics 2012-11-20 The CMS Collaboration

The mass of the top quark is measured using a sample of $\rm{t}\bar{\rm t}$ candidate events with one lepton, muon or electron, and at least four jets in the final state, collected by the CMS detector in pp collisions at…

High Energy Physics - Experiment · Physics 2018-07-01 Nataliia Kovalchuk

W-pair production in e+ e- annihilation at 500 GeV is studied using different Monte Carlo generators and the proposed detector for the Linear Collider in its TESLA version. Semileptonic W decays are used to give hints for the detector…

High Energy Physics - Phenomenology · Physics 2009-09-25 George Daskalakis , Aristoteles Kyriakis , Christos Markou , Hannelies Nowak , Imma Riu , Errietta Simopoulou , Revaz Shanidze

The mass of the top quark is measured using a sample of t t-bar candidate events with one electron or muon and at least four jets in the final state, collected by CMS in pp collisions at sqrt(s) = 7 TeV at the LHC. A total of 5174 candidate…

High Energy Physics - Experiment · Physics 2013-03-19 The CMS Collaboration

This talk is an overview of prospects for measuring the top mass $m_t$ at present and future colliders. Methods for extracting $m_t$ appropriate to experiments at the Tevatron, Large Hadron Collider, and Next Linear Collider are discussed,…

High Energy Physics - Phenomenology · Physics 2009-09-25 Lynne H. Orr

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

The mass of the top quark is a fundamental parameter of the standard model and has to be determined experimentally. In these proceedings, I review recent measurements of the top quark mass in $pp$ collisions at $\sqrt s=7,~8,$ and 13 TeV…

High Energy Physics - Experiment · Physics 2017-01-20 Oleg Brandt

Measuring the top quark mass in its semileptonic decay mode, $t ->be^+\nu$ ($b -> \mu^- + X$), through the mass distribution of the $e^+$--$\mu^-$ pair has been shown to provide a good measurement of the top quark mass with an uncertainty…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. A. Ladinsky

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…

High Energy Physics - Experiment · Physics 2015-06-10 D0 Collaboration

The top quark mass plays an important role in a variety of discussions both within and beyond the Standard Model. However, a precise determination of a theoretically well-defined top quark mass is still missing. Towards a precise…

High Energy Physics - Phenomenology · Physics 2015-11-11 Sayaka Kawabata

We report on measurements of e+e- annihilation into hadrons and lepton pairs. The data have been collected with the L3 detector at LEP at centre-of-mass energies between 130 and 189 GeV. Using a total integrated luminosity of 243.7 pb^-1,…

High Energy Physics - Experiment · Physics 2012-08-27 L3 Collaboration

Future lepton colliders will have a rich top quark physics program which would add to our understanding of this interesting quark and promise an ultimate precision on the experimental knowledge of top-quark mass. We present possible…

High Energy Physics - Experiment · Physics 2019-08-14 Min Suk Kim

The uncertainty in jet energy scale is one of the dominating systematic errors for many measurements at hadron colliders - most notably for the measurement of the top-quark-mass, inclusive jet cross section measurements and last but not…

High Energy Physics - Experiment · Physics 2008-11-26 Sven Menke

We present a new method for the experimental determination of the top quark mass that is based upon the mean distance of travel of b hadrons in top quark events. The dominant systematic uncertainties of this method are not correlated with…

High Energy Physics - Experiment · Physics 2011-03-23 C. S. Hill , J. R. Incandela , J. M. Lamb

We present an up-to-date overview of the problem of top quark mass determination. We assess the need for precision in the top mass extraction in the LHC era together with the main theoretical and experimental issues arising in precision top…

High Energy Physics - Phenomenology · Physics 2015-06-17 Aurelio Juste , Sonny Mantry , Alexander Mitov , Alexander Penin , Peter Skands , Erich Varnes , Marcel Vos , Stephen Wimpenny

The impact of higher-order final-state photonic corrections on the precise determination of the W-boson mass at the Tevatron and LHC colliders is evaluated. In the presence of realistic selection criteria, the shift in the W mass from a fit…

High Energy Physics - Phenomenology · Physics 2009-11-10 C. M. Carloni Calame , G. Montagna , O. Nicrosini , M. Treccani

We study pair production of leptoquarks in e+e- annihilation at linear colliders. A detailed simulation including beamstrahlung and initial state radiation, leptoquark decay and hadronization, as well as detector smearing, is performed.…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. Rueckl , R. Settles , H. Spiesberger

We present a feasibility study of top-quark mass measurement using the energy distribution of a lepton from a W boson in a top quark decay in pp collisions at the LHC. The proposed method requires only the lepton energy distribution at the…

High Energy Physics - Experiment · Physics 2018-01-17 Seo Hyun An , Sayaka Kawabata , Tae Jeong Kim
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