Read article 'Four top quarks seen at once'
Four top quarks seen at once
The ATLAS collaboration has uncovered the first strong evidence to support the existence of one of the most spectacular processes accessible at the LHC.
Read article 'Four top quarks seen at once'
Read article 'Anomalies intrigue at Moriond'
Anomalies intrigue at Moriond
The highlight of the conference was the new LHCb result on RK based on the full Run 1 and Run 2 data.
Read article 'Still seeking solutions'
Still seeking solutions
Steven Weinberg reflects on winning the Breakthrough Prize, effective field theory, and the mass-hierarchy problem.
Read article 'CMS targets Higgs-boson pair production'
CMS targets Higgs-boson pair production
The collaboration has taken an encouraging step towards observing a process with access to the key unknown parameter in the shape of the Brout-Englert-Higgs potential: the self-coupling λ.
Read article 'Higgs boson gets SMEFT treatment'
Higgs boson gets SMEFT treatment
The move to constrain effective field theories rather than signal strengths for couplings marks a new, more comprehensive phase in Standard Model tests at the LHC.
Read article 'First evidence for rare Higgs-boson decay'
First evidence for rare Higgs-boson decay
The ATLAS collaboration today reported a 3.2σ excess over background of H → ℓℓγ decay candidates with dilepton mass less than 30 GeV.
Read article 'Targeting a Higgs factory'
Targeting a Higgs factory
An electron–positron Higgs factory following the LHC would significantly expand our knowledge about this unique and mysterious elementary scalar.
Read article 'How to find a Higgs boson'
How to find a Higgs boson
Ivo van Vulpen’s popular book isn’t an airy pamphlet cashing in on the 2012 discovery, but a realistic representation of what it’s like to be a particle physicist.
Read article 'One Higgs, three discoveries'
One Higgs, three discoveries
The ATLAS and CMS collaborations have not only discovered a new particle, argues Yosef Nir, but also laid bare the underpinnings of electroweak interactions and uncovered the first evidence for a new ...
Read article 'Turning the screw on H → μμ'
Turning the screw on H → μμ
The first evidence for the coupling of the Higgs boson to a second-generation fermion has been reported at the LHC.
