Read article 'Mixed signals from X17'
Mixed signals from X17
A decade after the initial report of the ATOMKI anomaly, MEG II and PADME present conflicting findings on the proposed X17 boson.
Read article 'Mixed signals from X17'
Read article 'ATLAS confirms top–antitop excess'
ATLAS confirms top–antitop excess
The ATLAS collaboration has confirmed the threshold excess in top–antitop production first reported by CMS, consistent with the formation of toponium.
Read article 'US publishes 40-year vision for particle physics'
US publishes 40-year vision for particle physics
In June, the US National Academies of Sciences, Engineering, and Medicine published an unprecedented 40-year strategy for US particle physics.
Read article 'Full coherence at fifty'
Full coherence at fifty
The CONUS+ collaboration presents evidence for CEνNS in the fully coherent regime.
Read article 'Einstein Probe detects exotic gamma-ray bursts'
Einstein Probe detects exotic gamma-ray bursts
Early results from the Einstein Probe identify soft X-ray events, questioning standard gamma-ray burst emission models.
Read article 'CP symmetry in diphoton Higgs decays'
CP symmetry in diphoton Higgs decays
The CMS collaboration analysed Higgs-boson decays to two photons, setting limits on anomalous couplings that would violate CP symmetry.
Read article 'Charming energy–energy correlators'
Charming energy–energy correlators
The ALICE collaboration has measured energy–energy correlators of charm-quark jets for the first time, observing the expected suppression at small angles.
Read article 'Mapping rare Higgs-boson decays'
Mapping rare Higgs-boson decays
The ATLAS collaboration reports on combined Run-2 and Run-3 results on the rare Higgs boson decay channel H→μμ and H→Zγ.
Read article 'Closing the gap on axion-like particles'
Closing the gap on axion-like particles
The LHCb collaboration searched for axion-like particles decaying into photon pairs, setting bounds on their couplings in the low-mass region.
Read article 'Ivan Todorov 1933–2025'
Ivan Todorov 1933–2025
Ivan Todorov, theoretical physicist of outstanding academic achievements and a man of remarkable moral integrity, passed away on 14 February 2025.
