Measurements of the elastic electromagnetic form factor ratio via polarization transfer
Journal Article
·
· Physical Review. C, Nuclear Physics
We present measurements of the ratio of the proton elastic electromagnetic form factors, {mu}{sub p}G{sub Ep}/G{sub Mp}. The Jefferson Lab Hall A Focal Plane Polarimeter 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 form factors. These data reproduce the observation of Jones [Phys. Rev. Lett. 84, 1398 (2000)], that the form factor ratio decreases significantly from unity above Q{sup 2}=1 GeV{sup 2}.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 40277142
- Journal Information:
- Physical Review. C, Nuclear Physics, Vol. 64, Issue 3; ISSN 0556-2813
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
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