English
Related papers

Related papers: Measuring the CKM Matrix Element Vtb at DZero and …

200 papers

The measurement of the single top-quark production cross section in hadron collisions at the Tevatron and the LHC can be used to determine the absolute value of the CKM matrix element V_tb without assuming the unitarity of the CKM matrix.…

High Energy Physics - Experiment · Physics 2015-03-17 Wolfgang Wagner

The CKM matrix elements $V_{td}$, $V_{ts}$ and $V_{tb}$, while notoriously hard to measure directly in experiment, can be determined to great precision within the Standard Model (SM) with a minimal set of observables due to unitarity of…

High Energy Physics - Phenomenology · Physics 2015-03-17 J. Rohrwild

We review the most recent measurements of the top quark mass using data collected by the CDF experiment at the Tevatron 1.96 TeV ppbar collider. The mass measurements are performed in all main decay modes of the produced ttbar pairs using…

High Energy Physics - Experiment · Physics 2010-11-11 N. van Remortel

Recently, the CDF experiment at the Fermilab Tevatron has used complementary methods to make multiple measurements of the singly produced top quark cross section. All analyses use the same dataset with more than 2 fb^-1 of CDF data and…

High Energy Physics - Experiment · Physics 2008-10-10 R. C. Group , C. I. Ciobanu , K. Lannon , C. Plager

First evidence for single top quark production has recently been found by both the D0 and CDF experiments. By combining three analyses, D0 measured a cross section of 4.7 +- 1.3 pb, with a significance of 3.6 standard deviations, and CDF's…

High Energy Physics - Experiment · Physics 2019-08-14 Jovan Mitrevski

The strongest constraint on Vtb presently comes from the 3 x 3 unitarity of the CKM matrix, which fixes Vtb to be very close to one. If the unitarity is relaxed, current information from top production at Tevatron still leaves open the…

High Energy Physics - Phenomenology · Physics 2014-11-18 J. Alwall , R. Frederix , J. -M. Gerard , A. Giammanco , M. Herquet , S. Kalinin , E. Kou , V. Lemaitre , F. Maltoni

The Tevatron experiments D0 and CDF have found evidence for single top quark production, based on datasets between 0.9fb-1 and 2.2fb^-1. Several different multivariate techniques are used to extract the single top quark signal out of the…

High Energy Physics - Experiment · Physics 2019-08-14 Reinhard Schwienhorst

The precise measurement of the top quark properties is a stringent test of the Standard Model of Particles and Fields. This reports presents the latest results from the CDF and D0 collaborations with an integrated data sample of up to…

High Energy Physics - Experiment · Physics 2019-08-13 Ricardo Eusebi

We present first evidence for the production of single top quarks at the Fermilab Tevatron {\ppbar} collider. Both D0 and CDF experiments have measured the single top production cross section with a 3-standard-deviation significance using…

High Energy Physics - Experiment · Physics 2019-08-14 Supriya Jain

After many years searching for electroweak production of top quarks, the Tevatron collider experiments have now moved from obtaining first evidence for single top quark production to an impressive array of measurements that test the…

High Energy Physics - Experiment · Physics 2008-09-08 A. P. Heinson

We present the results obtained by the CDF and D0 collaborations on the extraction of the CKM matrix element Vtb, the $W$ helicity measurements, and the constraints obtained on the $Wtb$ vertex.

High Energy Physics - Experiment · Physics 2022-03-02 Cécile Deterre

The observation of single top quark production by the CDF and D0 collaborations is one of the flagship measurements of the Run II of the Tevatron. The Tevatron combined single top quark cross section is measured to be:…

High Energy Physics - Experiment · Physics 2019-08-14 CDF , D0 collaborations , Aran Garcia-Bellido

On March 4, 2009, the DZero and CDF collaborations at Fermilab's Tevatron Collider submitted papers to Physical Review Letters announcing observation of single top quark production. This review paper describes the successful searches…

High Energy Physics - Experiment · Physics 2010-10-28 A. P. Heinson

The mass of the top quark (\mtop) is a fundamental parameter of the standard model (SM). Currently, its most precise measurements are performed by the CDF and D0 collaborations at the Fermilab Tevatron $p\bar p$ collider at a centre-of-mass…

High Energy Physics - Experiment · Physics 2019-08-14 Oleg Brandt

Verifying $V_{tb} \simeq 1$ is critical to test the three generation assumption of the Standard Model. So far our best knowledge of $V_{tb}$ is inferred either from the $3\times 3$ unitarity of CKM matrix or from single top-quark…

High Energy Physics - Phenomenology · Physics 2015-12-01 Qing-Hong Cao , Bin Yan

The D0 Collaboration presents first evidence for the production of single top quarks at the Fermilab Tevatron ppbar collider. Using a 0.9 fb^-1 dataset, we apply a multivariate analysis to separate signal from background and measure…

High Energy Physics - Experiment · Physics 2008-11-26 D0 Collaboration , V. M. Abazov

We present recent results of single top quark production in the lepton plus jet final state, performed by the CDF and D0 collaborations based on 7.5 and 5.4/fb of ppbar collision data collected at sqrt(s) = 1.96 TeV from the Fermilab…

High Energy Physics - Experiment · Physics 2012-05-18 Zhenbin Wu

This paper reports the most recent measurements of single top quark production performed by CDF and D0 collaborations in proton-antiproton collisions at Tevatron. Events are selected in the lepton+jets final state by CDF and D0 and in the…

High Energy Physics - Experiment · Physics 2019-08-15 Manfredi Ronzani

Measurements of the top quark mass and the t-tbar and single top production cross sections, obtained by CDF and D0 Collaboration at the Tevatron, are presented. The methodology of the CDF and D0 analyses and their underlying assumptions are…

High Energy Physics - Experiment · Physics 2010-04-22 Krzysztof Sliwa

We report the first observation of single top quark production using ppbar collision data with sqrt{s}=1.96 TeV collected by the CDF II and D0 detectors at Fermilab. The significance of both the observed CDF and D0 data is 5.0 standard…

High Energy Physics - Experiment · Physics 2019-08-13 Enrique Palencia
‹ Prev 1 2 3 10 Next ›