Measurements of the elastic electromagnetic form factor ratio mu(p)G(Ep)/G(Mp) via polarization transfer - art. no. 038202

Citation
O. Gayou et al., Measurements of the elastic electromagnetic form factor ratio mu(p)G(Ep)/G(Mp) via polarization transfer - art. no. 038202, PHYS REV C, 6403(3), 2001, pp. 8202
Citations number
32
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW C
ISSN journal
0556-2813 → ACNP
Volume
6403
Issue
3
Year of publication
2001
Database
ISI
SICI code
0556-2813(200109)6403:3<8202:MOTEEF>2.0.ZU;2-U
Abstract
We present measurements of the ratio of the proton elastic electromagnetic form factors, mu (p)G(Ep)/G(Mp). The Jefferson Lab Hall A Focal Plane Polar imeter was used to determine the longitudinal and transverse components of the recoil proton polarization in ep elastic scattering; the ratio of these polarization components is proportional to the ratio of the two for-in fac tors. These data reproduce the observation of Jones et al. [Phys, Rev. Lett . 84, 1398 (2000)], that the form factor ratio decreases significantly from unity above Q(2) = 1 GeV2.