Read article 'The return of quarkonia'
The return of quarkonia
The physics of heavy quark–antiquark bound states is a long-standing puzzle, made more intriguing by results from the LHC.
Read article 'The return of quarkonia'
Read article 'Are some atomic nuclei pear shaped?'
Are some atomic nuclei pear shaped?
Most atomic nuclei that exist naturally are not spherical but have the shape of a rugby ball.
Read article 'First jet measurements with ALICE'
First jet measurements with ALICE
When quarks and gluons (partons) in opposing beams at high-energy hadron colliders meet they can scatter violently to produce correlated showers of particles, or “jets”. In proton–pr...
Read article 'Luminosity-independent measurement of the proton–proton total cross-section at 8 TeV'
Luminosity-independent measurement of the proton–proton total cross-section at 8 TeV
The TOTEM collaboration has published the first luminosity-independent measurement at the LHC of the total proton–proton cross-section at a centre-of-mass energy of 8 TeV.
Read article 'ALICE looks to the future'
ALICE looks to the future
After more than three years of highly successful operation, the ALICE detector is about to undergo a major programme of consolidation and upgrade during the Long Shutdown 1 (LS1) of CERN’s ac...
Read article 'Participants and spectators at the heavy-ion fireball'
Participants and spectators at the heavy-ion fireball
To see how much of a heavy ion participates in a collision, ALICE must determine a key parameter – centrality.
Read article 'TOTEM’s luminosity-independent cross-sections'
TOTEM’s luminosity-independent cross-sections
The TOTEM collaboration has published the first luminosity-independent measurement of the total proton–proton cross-section at a centre-of-mass energy of 7 TeV.
Read article 'ALICE and ATLAS find intriguing ‘double ridge’ in proton–lead collisions'
ALICE and ATLAS find intriguing ‘double ridge’ in proton–lead collisions
In analysing data from last year’s test run with proton–lead collisions in the LHC, the ALICE collaboration, followed almost immediately and independently by the ATLAS collaboration, have ...
Read article 'LHCb pins down X(3872) quantum numbers'
LHCb pins down X(3872) quantum numbers
One of the most interesting discoveries of the past decade is that of an unconventional hadron, the X(3872), by the Belle experiment (Belle 2003).
Read article 'Spin physics in Dubna'
Spin physics in Dubna
A report from the biennial international spin symposium.
