Read article 'CMS presents precision measurements of the top-quark mass from Run 1'
Precise measurements of the mass of the top quark provide key inputs to global electroweak fits and to tests of the internal consistency of the Standard Model.
Read article 'ILC-type cryomodule makes the grade'
For the first time, the gradient specification of the International Linear Collider (ILC) design study of 31.5 MV/m has been achieved on average across an entire ILC-type cryomodule made of ILC-grade...
Read article 'The Global Neutrino Network takes off'
On 20–12 September, CERN hosted the fifth annual Mediterranean-Antarctic Neutrino Telescope Symposium (MANTS). For the first time, the meeting was organized under the GNN umbrella.
Read article 'Ultra-luminous X-ray source is ‘just’ a pulsar'
Until now, ultra-luminous X-ray sources (ULXs) were thought to be black holes, because their high luminosity implied a mass exceeding by far the maximal mass of a neutron star. The most luminous of th...
Read article 'SESAME boosts electrons to 800 MeV'
fter having successfully stored electrons in the Booster-Synchrotron in July, the SESAME team succeeded in accelerating electrons to their final energy of 800 MeV.
Read article 'AMS finds evidence of new source of positrons in cosmic rays'
The Alpha Magnetic Spectrometer (AMS) on the International Space Station (ISS) has new results on energetic cosmic-ray electrons and positrons, based on analysis of the first 41 billion events.
Read article 'Beams back at the Antiproton Decelerator'
Antiprotons returned to CERN’s Antiproton Decelerator (AD) on 5 August and experiments have been receiving beams since mid-September, following an intensive consolidation programme during the first...
Read article 'The promise of boosted topologies'
While analyses are progressing to ascertain the consistency of the new boson discovered at the LHC with the Standard Model Higgs boson (H), the LHC collaborations continue to develop tools in their se...
Read article 'LHCb result tightens precision on angle γ'
For the first time in a single experiment, LHCb has achieved a precision of better than 10° in measuring the angle γ that is linked to CP violation in the Standard Model.
Read article 'Producing charm with light'
The electric charge of lead ions, when accelerated to ultra-relativistic velocities, is the source of an intense flux of high-energy quasi-real photons.
