Read article 'Particles in Portugal: new high-energy physics results'
Europe's premier particle-physics conference took place in 2005 on the banks of the River Tagus, near Lisbon. Per Osland and Jorma Tuominiemi report.
Read article 'Tokyo meeting focuses on nucleon-spin problem'
Quark spin, gluon spin and the orbital angular momenta of quarks and gluons can all contribute to nucleon spin, but which has the main role? Physicists met in Tokyo to discuss.
Read article 'Uppsala 2005: leptons, photons and a lot more'
The biennial Lepton-Photon conference was held in Uppsala on 30 June - 5 July. The talks erected the impressive edifice known as the Standard Model and showed that experimental ingenuity has not yet s...
Read article 'Close nucleon encounters'
Jefferson Lab may have directly observed short-range nucleon correlations, with densities similar to those at the heart of a neutron star.
Read article 'KEDR adds new precision to meson mass measurements'
In October 2005 the VEPP-4M collider at the Budker Institute of Nuclear Physics started its latest run with the KEDR detector.
Read article 'BES collaboration observes possible baryonium state'
In a sample of 58 million J/ψ events, the BES collaboration at the Beijing Electron Positron Collider (BEPC) has found a clear signal (7.7σ statistical significance) for a new resonance, the X(1835)...
Read article 'H-jet measures beam polarization at RHIC'
The RHIC accelerator collides 100 GeV polarized protons head-on to study the contribution of gluons to the proton spin. But how is the degree of polarization of the beam known? Willy Haeberli explain...
Read article 'Deep inside the proton'
The DIS 2005 workshop reviewed progress in deep inelastic scattering and quantum chromodynamics, and provided the chance to plan for the future, reports Wesley Smith.
Read article 'Symposium previews the future of hadron colliders'
The HCP2005 Symposium, held in the Swiss Alps, discussed the latest results from the Tevatron and the prospect that the LHC will open new scientific frontiers.
Read article 'Investigating the proton’s strange sea'
Several research groups are conducting experiments to determine the exact contributions of strange quarks in the quark-gluon "sea" to the proton's charge distribution and magnetization.
