"Proton form factor ratio measurement with BLAST" by Adrian Tiberiu Sindile

Date of Award

Spring 2006

Project Type

Dissertation

Program or Major

Physics

Degree Name

Doctor of Philosophy

First Advisor

John Calarco

Abstract

The proton electric to magnetic form factor ratio ( GPE/GPM ) is related to the underlying electromagnetic structure of the proton. GPE/GPM is studied through elastic scattering using a longitudinally polarized electron beam with 0.85 GeV energy, a polarized internal hydrogen gas target and the BLAST detector at the MIT Bates Lab. Beam-target spin asymmetries are measured in several bins of Q2 for both left and right sector of BLAST, the super-ratio of these left/right asymmetries is formed and GPE/GPM is extracted.

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