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PRODID:Data::ICal 0.22
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DESCRIPTION:Aron Bernstein\, Massachusetts Institute of Technology\n\nThe &
#960\; 0 lifetime has been measured with significantly improv
ed\naccuracy at Jefferson Lab using the Primakoff effect. This was\nachie
ved by careful control of all of the experimental parameters and\nincluded
auxiliary measurements of the Compton effect and pair\nproduction. This
measurement is a test of a prediction based on the\nQCD axial anomaly plus
few percent chiral corrections which are\nproportional to the mass differ
ence of the up and down quarks. The\nbasic physics\, and a comparison of
theory and experiment\, will be\npresented in the context of spontaneous c
hiral symmetry breaking in\nQCD\, some of its physical consequences\, and
other experimental tests.\n
DTSTART:20071026T200000Z
LOCATION:Physics Building\, Room 204
SUMMARY:Measurement of the π 0 Lifetime: Probing the QCD
Axial Anomaly
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