Measurements of the Nucleon Form-Factors at Large Momentum Transfers
- Andivahis, L
- Bosted, Peter
- Lung, Allison
- Stuart, Linda
- Alster, Jonas
- Arnold, Raymond
- Chang, C.
- Dietrich, Frank
- Dodge, William
- Gearhart, R
- Gomez, Javier
- Griffioen, Keith
- Hicks, William
- Hyde-Wright, Charles
- Keppel, Cynthia
- Kuhn, Sebastian
- Lichtenstadt, Jechiel
- Miskimen, Rory
- Peterson, Gerald
- Petratos, Gerassimos
- Rock, Stephen
- Rokni, Sayed
- Sakumoto, Willis
- Spengos, Michael
- Swartz, Ken
- Tao, L.
Publication date
July 1992
DOI Publisher
Thomas Jefferson National Accelerator Facility (U.S.)Abstract
New measurements of the electric GE(Q2) and magnetic GM(Q2) form factors of the nucleons are reported. The proton data cover the Q2 range from 1.75 to 8.83 (GeV/c)2 and the neutron data from 1.75 to 4.00 (GeV/c)2, more than doubling the range of previous data. Scaled by the dipole fit, GD(Q2), the results forGMp(Q2) /¿pGD(Q2) decrease smoothly from 1.05 to 0.92, while GEp(Q2)/GD(Q2)is consistent with unity. The preliminary results for GMn(Q2) /¿nGD(Q2) are consistent with unity, while GEn is consistent with zero at all values of Q2
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