Working at CERN’s Antiproton Decelerator, the international BASE team has set the first laboratory limits on the interaction between antimatter and dark-matter axions
Prior to the BESIII result published in May, the Particle Data Group listing for ⍺- had remained unchanged since 1978.
Their 90% confidence upper limit of 1.1 eV halves the previous best model-independent bound with just one month of data.
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"Could the physics of neutrinos be one of the highlights of future high-energy colliders?" asked participants at the 15th edition of the Rencontres du Vietnam, reports Alain Blonde...
The 29th International Symposium on Lepton–Photon Interactions at High Energies provided a snapshot of the entire field.
The 16th International Conference on Topics in Astroparticle and Underground Physics was held in Toyama, Japan from 9–13 September.
The 2019 edition of New Trends in High Energy Physics had an emphasis on heavy-ion physics and strong interactions.
HADRON2019 reviewed studies of exotic states at facilities around the world.
Higgs-boson measurements are entering the precision regime.
The inferred mass, spin and age of M87* are incompatible with the existence of fuzzy dark matter with masses of the order of a few 10-21 eV.
A public colloquium and press conference will be webcast on Monday.
On 10 July, CERN and the Astroparticle Physics European Consortium (APPEC) founded a new research centre for astroparticle physics theory called EuCAPT.
For many years the search for its extremely rare decay to a μ+μ– pair was a holy grail of particle physics.
Achieving 8% precision on the Higgs cross section is a significant step towards studying the electroweak symmetry breaking mechanism.
The meeting was sponsored by the Humboldt Foundation, based in Bonn, whose mission is to promote cooperation between scientists in Germany and elsewhere.
