Title

A measurement of parity-violating asymmetry with polarized electrons scattered from protons and implications for strange form factors

Date of Award

2003

Degree Type

Dissertation

Degree Name

Doctor of Philosophy (PhD)

Department

Physics

Advisor(s)

Paul A. Souder

Keywords

Parity-violating, Asymmetry, Polarized electrons, Protons, Strange form factors

Subject Categories

Physical Sciences and Mathematics | Physics

Abstract

We have measured the parity violating asymmetry with polarized electrons scattered elastically from protons. The result is A = -15.05 ± 0.98( stat ) ± 0.56( syst ) ppm at the kinematic point [left angle bracket][straight theta] lab [right angle bracket] = 12.3° and [left angle bracket] Q 2 [right angle bracket] = 0.477( GeV/c ) 2 . The value for the linear combination of the strange form factors found using A is [Special characters omitted.] + 0.392[Special characters omitted.] = 0.025 ± 0.020 ± 0.014 where the first error is experimental and the second stems from the uncertainties in the electromagnetic form factors.

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