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. 2011 Aug;69(8):1125-7.
doi: 10.1016/j.apradiso.2010.11.009. Epub 2010 Dec 8.

Nucleon form factor studies at JLab

A Giusa  1 , V Bellini, F Mammoliti, G Russo, M L Sperduto, C M Sutera, E Cisbani, F Garibaldi, G M Urciuoli, M Capogni, G D Cates, K de Jager, B Wojtsekhowski
Affiliations

Nucleon form factor studies at JLab

A Giusa et al. Appl Radiat Isot. 2011 Aug.

Abstract

The ratio of the electromagnetic proton elastic form factors, G(p)(E)/G(p)(M), has been measured at Jefferson Lab up to Q(2) approximately 9(GeV/c)(2), by using the CEBAF 6GeV electron beam, and revealing an unexpected and challenging physical behaviour. The 2014 scheduled 12GeV upgrade will allow the measurement of G(p)(E)/G(p)(M) up to Q(2) approximately 15(GeV/c)(2), by taking advantage of the new large-acceptance forward spectrometer Super BigBite (SBS) in Hall A. Measurements of neutron form factors in the region around 10(GeV/c)(2), where quark confinement plays an important role, are expected to show the behaviour already observed in the proton case.

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