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Investigation of the Exclusive 3He(e,e'pp)n Reaction | | D.L. Groep
; M.F. van Batenburg
; Th.S. Bauer
; H.P. Blok
; D.J. Boersma
; E. Cisbani
; R. De Leo
; S. Frullani
; F. Garibaldi
; W. Gloeckle
; J. Golak
; P. Heimberg
; W.H.A. Hesselink
; M. Iodice
; D.G. Ireland
; E. Jans
; H. Kamada
; L. Lapikas
; G.J. Lolos
; C.J.G. Onderwater
; R. Perrino
; A. Scott
; R. Starink
; M.F.M. Steenbakkers
; G.M. Urciuoli
; H. de Vries
; L.B. Weinstein
; H. Witala
; | | Date: |
9 Aug 2000 | | Journal: | Phys.Rev. C63 (2001) 014005 | | Subject: | nucl-ex | | Abstract: | Cross sections for the 3He(e,e’pp)n reaction were measured over a wide range of energy and three- momentum transfer. At a momentum transfer q=375 MeV/c, data were taken at transferred energies omega ranging from 170 to 290 MeV. At omega=220 MeV, measurements were performed at three q values (305, 375, and 445 MeV/c). The results are presented as a function of the neutron momentum in the final-state, as a function of the energy and momentum transfer, and as a function of the relative momentum of the two-proton system. The data at neutron momenta below 100 MeV/c, obtained for two values of the momentum transfer at omega=220 MeV, are well described by the results of continuum-Faddeev calculations. These calculations indicate that the cross section in this domain is dominated by direct two-proton emission induced by a one-body hadronic current. Cross section distributions determined as a function of the relative momentum of the two protons are fairly well reproduced by continuum-Faddeev calculations based on various realistic nucleon-nucleon potential models. At higher neutron momentum and at higher energy transfer, deviations between data and calculations are observed that may be due to contributions of isobar currents. | | Source: | arXiv, nucl-ex/0008008 | | Services: | Forum | Review | PDF | Favorites | |
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