https://doi.org/10.1140/epja/i2002-10169-6
Original Paper
Neutron electric form factor up to Q2 = 1.47 GeV/c2
1
Kent State University, OH 44242, Kent, USA
2
Thomas Jefferson National Accelerator Facility, VA 23606, Newport News, USA
3
Massachusetts Institute of Technology, MA 02139, Cambridge, USA
4
Yerevan Physics Institute, 375036, Yerevan, Armenia
5
The College of William and Mary, VA 23187, Williamsburg, USA
6
Ohio University, OH 45701, Athens, USA
7
Duke University, NC 27708, Durham, USA
8
North Carolina A&T State University, NC 27411, Greensboro, USA
9
Johannes Gutenberg-Universität Mainz, D-55099, Mainz, Germany
10
Hampton University, VA 23668, Hampton, USA
11
University of Maryland, MD 20742, College Park, USA
12
University of Virginia, VA 22904, Charlottesville, USA
13
Southern University at New Orleans, LA 70126, New Orleans, USA
14
Norfolk State University, VA 23504, Norfolk, USA
15
Kyungpook National University, 702-701, Taegu, Korea
16
Florida International University, FL 33199, Miami, USA
17
Rheinische Friedrich-Wilhelms-Universität Bonn, D-53115, Bonn, Germany
18
Louisiana Tech University, LA 71272, Ruston, USA
19
Old Dominion University, VA 23508, Norfolk, USA
* e-mail: madey@jlab.org
The ratio of the electric to the magnetic form factor of the neutron, $g \equiv G_{En}/G_{Mn}$, was measured via recoil polarimetry (R.G. Arnold, C.E. Carlson, F. Gross, Phys. Rev. C 23, 363 (1981)) from the quasielastic 2H $(\mathop{e}\limits^{\scriptstyle\to},e' \mathop{n}\limits^{\scriptstyle\to} )$ 1H reaction at three values of Q2 (viz, 0.45, 1.15, and 1.47 (GeV/c)2) in Hall C of the Thomas Jefferson National Accelerator Facility. The data reveal that GEn continues to follow the Galster parameterization up to Q 2 = 1.15 (GeV/c)2 and rises above the Galster parameterization at Q 2 = 1.47 (GeV/c)2.
© Società Italiana di Fisica and Springer-Verlag, 2003