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The strongly interacting quark gluon plasma in a new light: photons at RHIC
Reported by Raju Venugopalan
May 15, 2007
Photons have long been considered an important diagnostic tool of the strongly interacting matter produced at RHIC. The interactions of thermalized quarks and gluons in a hot QCD plasma will cause quarks (and anti-quarks) to radiate photons. Read more...

Two-photon exchange and the proton form factor puzzle
Reported by Wally Melnitchouk
March 16, 2007
The proton's electromagnetic form factors are one of the most basic observables which characterize the proton's finite spatial extent. One may have thought that with over half a century of measurements we would know pretty much all that there is to know about the proton's charge and magnetic form factors, at least in the kinematics accessible to experiment. Read more...

Quarks, gluons and nuclear forces
Reported by Paulo Bedaque
August 31, 2007
When students are first told about the fundamental forces of the Universe, the strong nuclear force is described as the force binding protons and neutrons together inside nuclei. Read more...