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Quasielastic $^{3}He(e,e'p)^{2}H$ reaction at Q2=1.5 GeV2 for recoil momenta up to 1 GeV/c

Abstract : We have studied the quasielastic $^{3}He(e,e'p)^{2}H$ reaction in perpendicular coplanar kinematics, with the energy and the momentum transferred by the electron fixed at 840 MeV and 1502 MeV/c, respectively. The $^{3}He(e,e'p)^{2}H$ cross section was measured for missing momenta up to 1000 MeV/c, while the ATL asymmetry was extracted for missing momenta up to 660 MeV/c. For missing momenta up to 150 MeV/c, the cross section is described by variational calculations using modern 3He wave functions. For missing momenta from 150 to 750 MeV/c, strong final-state interaction effects are observed. Near 1000 MeV/c, the experimental cross section is more than an order of magnitude larger than predicted by available theories. The ATL asymmetry displays characteristic features of broken factorization with a structure that is similar to that generated by available models.
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http://hal.in2p3.fr/in2p3-00024164
Contributeur : Lpsc Bibliotheque <>
Soumis le : jeudi 26 mai 2005 - 14:07:30
Dernière modification le : vendredi 3 avril 2020 - 11:25:00

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LPSC | CNRS | IN2P3 | UGA | GEPI

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M.M. Rvachev, F. Benmokhtar, E. Penel-Nottaris, K.A. Aniol, W. Bertozzi, et al.. Quasielastic $^{3}He(e,e'p)^{2}H$ reaction at Q2=1.5 GeV2 for recoil momenta up to 1 GeV/c. Physical Review Letters, American Physical Society, 2005, 94, 192302 (5 p.). ⟨10.1103/PhysRevLett.94.192302⟩. ⟨in2p3-00024164⟩

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