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PRODID:Data::ICal 0.22
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DESCRIPTION:Marianna Gabrielyan\, Florida International University\n\nThe C
LAS Collaboration is using the p(e\, e'K+p)π\;−\;
reaction to perform a measurement of the induced polarization of th
e electroproduced Λ\;(1116). The parity-violating weak decay of the
923\; into pπ\;−\; (64%) allows extraction of the reco
il polarization of the Λ\;. The present study uses the CEBAF Large Acc
eptance Spectrometer (CLAS) to detect the scattered electron\, the kaon\,
and the decay proton. CLAS allows for a large kinematic acceptance in Q2 (0.8 ≤\; Q2 ≤\; 3.5 GeV2)\, W (1
.6 ≤\; W ≤\; 3.0 GeV)\, as well as the kaon scattering angle. In
this experiment a 5.499 GeV electron beam was incident upon an unpolarize
d liquid-hydrogen target. The goal is to map out the kinematic dependencie
s for this polarization observable to provide new constraints for theoreti
cal models of the electromagnetic production of kaon-hyperon final states.
Along with previously published photo- and electroproduction cross sectio
ns and polarization observables from CLAS\, SAPHIR\, and GRAAL\, these dat
a are needed in a coupled-channel analysis to identify previously unobserv
ed s-channel resonances.
DTSTART:20130308T160000Z
LOCATION:Physics Building\, Room 313
SUMMARY:Measurement of the Induced Polarization of Lambda(1116) in Kaon Ele
ctroproduction with CLAS
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