Higgs and electroweak Archives – Page 12 of 32

Probing gauge-boson polarisation

WZ production, with its clean experimental signature, offers a sensitive way to search for anomalies.

Exploring the spin of top-quark pairs

The Standard Model makes precise predictions for the frequency at which the spin of the top quark is aligned with the spin of the top antiquark.

ATLAS observes scattering of vector bosons

The cross-section of longitudinal weak-boson scattering would diverge, resulting in meaningless values, were it not for the exact cancellation due to Higgs-boson contributions.

CMS detects first production of top quark and photon

The predicted cross section for tγj, including the branching fraction, is 81 fb, which corresponds to a few hundred events in the whole dataset.

A decade of advances in jet substructure

Recent focus on measuring Standard Model properties using jet substructure has motivated ATLAS to measure the energy and mass response of large-radius jets with the highest possible precision.

Observation of Higgs-boson decay to bottom quarks

Processes that include the Higgs boson’s favoured decay mode to b quarks (with about 58% probability) have until now remained elusive.

Closing in on the muon’s magnetic moment

Experiment E989 is a reincarnation of the muon g-2 experiment at BNL, which found the muon’s anomalous magnetic moment to be 3.5 sigma above the Standard Model prediction.

ATLAS observes Higgs-boson decay to b quarks

Observing this decay mode and measuring its rate is mandatory to confirm (or not) the mass generation for fermions via Yukawa interactions, as predicted in the SM.

Loops and legs in quantum field theory

The conference brought together more than 100 researchers from 18 countries to discuss the latest results in precision calculations for particle physics at colliders.