Nuclear Physics Seminars

ics Nuclear
Tuesday, April 24, 2007
3:30 PM
Physics Building, Room 204
Mitra Shabestari [Host: Donal Day]
University of Virginia
"A Precision Measurement to Test Chiral QCD Dynamics"
Experiment E04-007, in Hall A at Jefferson Lab, is a high precision measurement of the reaction P(e,e'P)π 0 from the threshold to 20MeV above, and Q 2 values between 0.04(GeV/c) 2 and 0.14(GeV/c) 2 . The near threshold cross sections are relatively small, which demand high resolution and as large acceptance as possible. Hall A, with the HRS and large acceptance BigBite spectrometer satisfies these requirements. I will talk about BigBite spectrometer, and also explain how the results of this experiment will provide a stringent test of chiral QCD.

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