Physics at Virginia
SLAC E158 is an experiment to measure the parity non-conserving asymmetry in Moller scattering. Longitudinally polarized 48 GeV electrons are scattered off unpolarized (atomic) electrons in a liquid hydrogen target with an average Q2 of 0.027 GeV2. The asymmetry in this process is proportional to the weak mixing angle. The preliminary results give APV = –151.9 +/– 29.0(stat) +/– 32.5(syst) parts per billion. For the sine of the weak mixing angle 0.2371 +/– 0.0025 +/– 0.0027, which is consistent with the Standard Model prediction (0.2386 +/– 0.0006).
High Energy Physics Seminar
Wednesday, November 12, 2003
4:00 PM
Physics Building, Room 204
Note special time.
Note special room.

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