Recent Top Quark Results from the Tevatron

International audienceWe present recent measurements on top quark physics obtained at the Fermilab Tevatron $p\bar p$ collider by the CDF and D0 collaborations. We discuss the measurements of the top quark mass using direct and indirect methods of extraction, the forward-backward production asymmetries, and the top quark polarization

Tevatron Higgs results

We present the combination of searches for the Standard Model Higgs boson, using up to 10 fb−1 of $p\bar p$ collisions at √s = 1.96 TeV collected with the CDF and D0 detectors at the Fermilab Tevatron collider. The major contributing channels are optimized for the main production modes, the associated production with a vector boson (VH, with V = W, Z), the vector boson fusion, and the gluon-gluon fusion, and the different decay modes $H \to b\mathop b\limits^ ,\,H \to {{\rm{\tau }}^{\rm{ + }}}{{\rm{\tau }}^ - },\,H \to {W^{\rm{ + }}}{W^ - }$, and H → γγ. A significant excess of events is observed in the mass range 115 < MH < 140 GeV. The local significance corresponds to 3.0 standard deviations at mH = 125 GeV, consistent with the mass of the new particle observed at the LHC. The observed signal strengths in all channels are consistent with the presence of a standard model Higgs boson of mass 125 GeV. We also present prospects for spin/parity tests to be performed in the VH → V$b\mathop b$ channels

Spin/parity of Higgs-like particle at D0

We present prospects for tests of different spin and parity hypotheses for a particle H of mass 125 GeV produced in association with a vector boson and decaying into a pair of b-quarks. We use the combined analysis of the WH→lvbb¯, ZH→l+l−bb¯$WH o lvbar b,,ZH o {l^ + }{l^ - }bar b$, and ZH→vv¯bb¯$ZH o var vbar b$ channels based on the full Run II dataset collected at √s = 1.96 TeV with the D0 detector at the Fermilab Tevatron collider.- France

Compatibility and combination of world W-boson mass measurements

The compatibility of W-boson mass measurements performed by the ATLAS, LHCb, CDF, and D0 experiments is studied using a coherent framework with theory uncertainty correlations. The measurements are combined using a number of recent sets of parton distribution functions (PDF), and are further combined with the average value of measurements from the Large Electron-Positron collider. The considered PDF sets generally have a low compatibility with a suite of global rapidity-sensitive Drell-Yan measurements. The most compatible set is CT18 due to its larger uncertainties. A combination of all $m_W$ measurements yields a value of $m_W$ = 80394.6 $\pm$ 11.5 MeV with the CT18 set, but has a probability of compatibility of 0.5% and is therefore disfavoured. Combinations are performed removing each measurement individually, and a 91% probability of compatibility is obtained when the CDF measurement is removed. The corresponding value of the W boson mass is 80369.2 $\pm$ 13.3 MeV, which differs by 3.6 sigma from the CDF value determined using the same PDF set

Compatibility and combination of world W-boson mass measurements

International audienceThe compatibility of W-boson mass measurements performed by the ATLAS, LHCb, CDF, and D0 experiments is studied using a coherent framework with theory uncertainty correlations. The measurements are combined using a number of recent sets of parton distribution functions (PDF), and are further combined with the average value of measurements from the Large Electron-Positron collider. The considered PDF sets generally have a low compatibility with a suite of global rapidity-sensitive Drell-Yan measurements. The most compatible set is CT18 due to its larger uncertainties. A combination of all mW measurements yields a value of mW = 80394.6 +- 11.5 MeV with the CT18 set, but has a probability of compatibility of 0.5% and is therefore disfavoured. Combinations are performed removing each measurement individually, and a 91% probability of compatibility is obtained when the CDF measurement is removed. The corresponding value of the W boson mass is 80369.2 +- 13.3 MeV, which differs by 3.6 sigma from the CDF value determined using the same PDF set