Read article 'J/ψ polarisation differs in lead collisions'
J/ψ polarisation differs in lead collisions
Work now turns to connecting such observations with the known suppression and regeneration mechanisms in heavy-ion collisions.
Read article 'J/ψ polarisation differs in lead collisions'
Read article 'CMS reaffirms exotic nature of the X(3872)'
CMS reaffirms exotic nature of the X(3872)
The tetraquark candidate could be a bound state of a charm-up diquark and its anti-diquark.
Read article 'ICHEP’s online success'
ICHEP’s online success
Advances in Higgs, flavour and neutrino physics were among the highlights of ICHEP 2020, writes Mark Thomson.
Read article 'Double digits for ultra-rare kaon decay'
Double digits for ultra-rare kaon decay
CERN’s NA62 collaboration has presented 3.5σ evidence for K+→π+νν̄ – a “golden decay” with exceptional sensitivity to physics beyond the Standard Model
Read article 'LHC physics shines amid COVID-19 crisis'
LHC physics shines amid COVID-19 crisis
Originally scheduled to be held in Paris, the fully online conference brought together a particularly large and diverse group of participants.
Read article 'LHCb interrogates X(3872) line-shape'
LHCb interrogates X(3872) line-shape
LHCb results favour the interpretation of the state as a quasi-bound D0D*0 molecule.
Read article 'LEP-era universality discrepancy unravelled'
LEP-era universality discrepancy unravelled
A novel technique by ATLAS uses top-quark pairs to test the ratio of the probabilities for tau leptons and muons to be produced in W-boson decays
Read article 'New SMOG on the horizon'
New SMOG on the horizon
LHCb will soon become the first LHC experiment able to run simultaneously with two separate interaction regions.
Read article 'First physics for Belle II'
First physics for Belle II
The collaboration scoured four months of electron-positron collisions at SuperKEKB for evidence of invisibly decaying Z′ bosons.
Read article 'Anomalies persist in flavour-changing B decays'
Anomalies persist in flavour-changing B decays
Updated measurements by LHCb of the angular distributions of a rare neutral B meson decay add fresh intrigue to the flavour puzzle.
