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Nuclear Physics Seminars

ics Nuclear
Monday, October 18, 2010
3:30 PM
Physics Building, Room 204
Note special date.
Hideko Iwamoto [Host: Blaine Norum]
George Washington University
"The helicity asymmetry measurements for π 0 photoproduction with FROST at Jlab"
 Slideshow (PDF)
One of the longstanding unsolved problem in the nuclear physics is that of the nucleon resonances N* and Δ*. The lifetime of these intermediate states is very short since they decay strongly. Their parameters, mass, width, and coupling constants to various decay modes are not well known. To solve this problem, double polarization experiments are considered to be a very effective tool. I will present the preliminary result of the helicity asymmetry ā€œEā€ for γp → π 0 p channel from the first double polarization experiment at Jefferson Lab and compare this result with the prediction of theoretical models.

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