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DESCRIPTION:John Boyd\, University of Virginia - Department of Physics\n\n<
div style="margin-left:0in\; margin-right:0in">Electromagnetic form factor
s describe the spatial distribution of electric charge and magnetization o
f the nu-cleon. Quarks are the charge carriers in nucleons\, and so\, thes
e form factors describe the spatial distributionof these quarks and act as
direct probes to their principal dynamics. Electron scattering experiment
s are thetool of choice for measuring these nucleon form factors. Modern d
evelopments in high luminosity and po-larized electron beams\, in combinat
ion with new polarized targets\, recoil polarimeters\, and large-acceptanc
edetectors\, are advancing the strides in form factors measurements. The S
uper BigBite Spectrometer (SBS)at Jefferson Lab (JLab) is the next big ste
p. The upcoming series of experiments on the SBS at JLab willmeasure nucle
on form factors at Q2 \;momentum-transfer values a
t upwards of 13.5 (GeV/c/)2\, and will utilizemultiple measurem
ent and experimental techniques. For instance\, Gen and Gen-RP will both m
easure theform factor ratio of the neutron\, but using two varying techniq
ues (double polarization and recoil polarime-try\, respectively). The prim
ary components on the SBS to detect and track charged particles are gas el
ectronmultiplier (GEM) detectors. Our research group at UVa has developed
two configurations of GEM detectorsfor the SBS. One GEM configuration is c
urrently being installed onto the SBS apparatus and the second isnearing i
ts completion in our Detector R&\;D Lab at UVa.\n
DTSTART:20210420T200000Z
LOCATION:Online\, Room Via Zoom
SUMMARY:Elastic Electromagnetic Form Factor Measurements on the Super BigBi
te Spectrometer at JLab and Related GEM Particle Tracking Detectors
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