Title

Low-Q(2) measurements of the proton form factor ratio mu(p)G(E)/G(M)

Document Type

Article

Department/Program

Physics

Journal Title

Physical Review C

Pub Date

2011

Volume

84

Issue

5

Abstract

We present an updated extraction of the proton electromagnetic form factor ratio, mu(p)G(E)/G(M), at low Q(2). The form factors are sensitive to the spatial distribution of the proton, and precise measurements can be used to constrain models of the proton. An improved selection of the elastic events and reduced background contributions yielded a small systematic reduction in the ratio mu(p)G(E)/G(M) compared to the original analysis.

DOI

10.1103/PhysRevC.84.055204

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