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Showing 1 to 4 of 4 for “"Proton form factor"”.
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Proton form factor ratio measurement with BLAST
<p>The proton electric to magnetic form factor ratio ( GPE/GPM ) is related to the underlying electromagnetic structure of the proton. GPE/GPM is studied through elastic scattering using a longitudinally polarized electron beam with 0.85 GeV energy, a polarized internal hydrogen gas target and the …
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Nucleon structure and Its modification in nuclei
… nucleons. The electromagnetic structure of the proton, as encapsulated by its elastic form factors, can be extracted through measurements of the elastic electron-proton scattering cross-section. The GMp experiment in Hall A at the Thomas Jefferson National Accelerator Facility (JLab) seeks to …
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Measuring the lepton sign asymmetry in elastic electron-proton scattering with OLYMPUS
… Germany, on the asymmetry between positron-proton and electron-proton elastic scattering cross sections. A non-zero asymmetry is evidence of hard two-photon exchange, which has been hypothesized to cause the discrepancy in measurements of the proton's electromagnetic form factors. …
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Direct Measurements of Two Photon Exchange on Lepton-Proton Elastic Scattering Using Simultaneous Electron-Positron Beams in CLAS
… (<em>GE</em>) and magnetic (<em> GM</em>) form factors of the proton are fundamental observables which characterize its charge and magnetization distributions. There are two methods to measure the proton form factors: the Rosenbluth separation method and the polarization transfer technique. …