Measurements of the Proton Electric Form Factor at Jefferson Lab
Conference
·
OSTI ID:824734
The ratio of the electric to magnetic proton form factors, G{sub E{sub p}}/G{sub M{sub p}}, has been obtained in two Hall A experiments, by measuring the polarization of the recoil proton in the elastic scattering of polarized electrons, {rvec e}p {yields} e{rvec p}, covering the Q{sup 2} range of 0.5 to 5.6 GeV{sup 2}. A linear decrease of the form factor ratio over the whole range is observed in contrast to the previous measurements done with Rosenbluth separation method. The polarization technique discussed here, reduces drastically the systematic uncertainties of the results as compared with the Rosenbluth separation measurements.
- Research Organization:
- Thomas Jefferson National Accelerator Facility, Newport News, VA (US)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER) (US)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 824734
- Report Number(s):
- JLAB-PHY-02-97; DOE/ER/40150-2701
- Country of Publication:
- United States
- Language:
- English
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