DZero discovers a new, exotic particle made up of four different quarks.
Paul Grannis
Similar to the way that flipping a burger ensures all parts of the patty have been exposed to heat, flipping the magnetic field direction in DZero provides protection against unwanted effects of detector nonuniformities. Photo: Mike Several recent DZero results have involved the production of a particle and its antiparticle and their directional tendencies. The Tevatron collided oppositely directed protons and antiprotons. Sometimes a particle created in the collision exited in the direction of the incoming proton while its oppositely…