JLab Measurements of the ^{3}He Form Factors at Large Momentum Transfers

Physical Review Letters
A CamsonneJefferson Lab Hall A Collaboration

Abstract

The charge and magnetic form factors, F_{C} and F_{M}, respectively, of ^{3}He are extracted in the kinematic range 25  fm^{-2}≤Q^{2}≤61  fm^{-2} from elastic electron scattering by detecting ^{3}He recoil nuclei and scattered electrons in coincidence with the two High Resolution Spectrometers of the Hall A Facility at Jefferson Lab. The measurements find evidence for the existence of a second diffraction minimum for the magnetic form factor at Q^{2}=49.3  fm^{-2} and for the charge form factor at Q^{2}=62.0  fm^{-2}. Both minima are predicted to exist in the Q^{2} range accessible by this Jefferson Lab experiment. The data are in qualitative agreement with theoretical calculations based on realistic interactions and accurate methods to solve the three-body nuclear problem.

References

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Jan 1, 1995·Physical Review C: Nuclear Physics·R B WiringaR Schiavilla
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Jul 28, 2012·Reports on Progress in Physics·R J Holt, R Gilman
Apr 22, 2014·Physical Review Letters·A CamsonneUNKNOWN Jefferson Lab Hall A Collaboration

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Citations

Jun 13, 2020·Physical Review Letters·R Cruz-TorresUNKNOWN Jefferson Lab Hall A Tritium Collaboration
Jun 23, 2020·Physical Review Letters·Midhat FarooqPeter Winter
Sep 25, 2021·Scientific Reports·P D Morley

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