Read article 'LHCb reports observation of pentaquarks'
In 1964, Murray Gell-Mann and George Zweig independently predicted a substructure for hadrons: baryons would be comprised of three quarks, mesons of a quark–antiquark pair. They also said that b...
Read article 'J/ψ mesons, b decays and more'
At EPS-HEP2015, the LHCb collaboration presented the first measurement of the J/ψ production cross-section in proton–proton (pp) collisions at 13 TeV. Using this measurement, they also...
Read article 'B̅0 decay reveals an intriguing anomaly'
The LHCb collaboration presented the first measurement of any B → τX decay at a hadron collider
Read article 'LHCb observes top production in the forward region'
Measurements of the forward production of top-quark pairs can be used to constrain the gluon parton distribution function.
Read article 'CMS identifies Higgs bosons decaying to bottom quarks'
The results reveal an observed (expected) significance of the signal of 2.2 (0.8)σ, for a Higgs-boson mass of 125 GeV.
Read article 'ATLAS’s paths to the top-quark mass'
ATLAS has released new measurements of mtop using events with one or two isolated charged leptons and jets in the final state.
Read article 'COMPASS observes a new narrow meson'
The COMPASS collaboration has recently observed the existence of an unusual meson made from light quarks.
Read article 'Laser set-up generates electron–positron plasma in the lab'
An international team has at last succeeded in producing a neutral electron–positron plasma in a terrestrial laboratory experiment.
Read article 'The Mu2e experiment: a rare opportunity'
Ground-breaking on the way to a new experiment at Fermilab to look for the neutrinoless transformation of a muon into an electron.
Read article 'CMS digs deeply into lepton-pair production'
The CMS collaboration published two new measurements that provide a comprehensive view of the production of dimuons.
