Read article 'LHCb tests lepton universality in new channels'
New measurements of the rates of rare B-meson decays to electrons and muons open a further avenue through which to explore the flavour anomalies.
Read article 'Gauge–boson polarisation observed in WZ production'
For the first time at any experiment, the CMS collaboration have observed longitudinally polarised W bosons in diboson production.
Read article 'BICEP crunches primordial gravitational waves '
The new analysis significantly improve the upper bound on the strength of gravitational waves produced during the epoch of inflation.
Read article 'Miguel Virasoro 1940–2021'
Italian–Argentinian theorist Miguel Ángel Virasoro was one of the founders of string theory and an initiator of complexity studies.
Read article 'MicroBooNE homes in on the sterile neutrino'
A mundane explanation for the MiniBooNE anomaly is strongly disfavoured.
Read article 'Learning to detect new top-quark interactions'
A new CMS analysis searches for anomalies in top-quark interactions with the Z boson using an effective-field-theory framework.
Read article 'Bs decays remain anomalous'
The LHCb experiment recently presented new results on the b → sμμ decay of a Bs meson to a φ meson and a dimuon pair.
Read article 'US accelerator projects: Lab reports'
Updates from the Advanced Light Source, Advanced Photon Source and BNL.
Read article 'Strongly unbalanced photon pairs'
By measuring the transverse momentum of photon pairs, and related observables, the strong interaction may be indirectly probed.
Read article 'Arthur M Poskanzer 1931–2021'
Art Poskanzer made important discoveries of the properties of unstable nuclei and was a pioneer in the study of nuclear collisions at very high energies.
