Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
1994-12-10
Nucl.Instrum.Meth. A363 (1995) 526-537
Physics
High Energy Physics
High Energy Physics - Experiment
29 pages, uuencoded gzip-compressed postscript (351 kb). Uncompressed postscript file (898 kb) available to DECNET users as
Scientific paper
10.1016/0168-9002(95)00384-3
In 1992, L.G. Levchuk noted that the asymmetries measured in M\o ller scattering polarimeters could be significantly affected by the intrinsic momenta of the target electrons. This effect is largest in devices with very small acceptance or very high resolution in laboratory scattering angle. We use a high resolution polarimeter in the linac of the polarized SLAC Linear Collider to study this effect. We observe that the inclusion of the effect alters the measured beam polarization by -14% of itself and produces a result that is consistent with measurements from a Compton polarimeter. Additionally, the inclusion of the effect is necessary to correctly simulate the observed shape of the two-body elastic scattering peak.
Band H. R.
Decker Franz-Josef
Emma Paul
Fero M. J.
Frey Raymond
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