3He and 3H electromagnetic form factors

Strueve, W.; Hajduk, Ch.; Sauer, P.U.; Theis, W.

doi:10.1016/0375-9474(87)90560-4

Cited by 75 publications

(55 citation statements)

References 36 publications

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“…[21]; compared with Ref. [11], the present calculation of e.m. trinucleon properties is improved as described in Ref. [16].…”

mentioning

confidence: 76%

“…The meson parameters used in the charge operator are chosen for the Bonn potentials as the Bonn potentials define them; in contrast, the present calculations with the Paris and RSC potentials employ the π-and ρ-meson parameters of Ref. [11], whereas the parameters of the other mesons are taken over from the Bonn OBEPQ potential.…”

mentioning

confidence: 99%

“…In addition results are indicated for both potentials extended according to Refs. [9,11,21] by single ∆-isobar excitation (DELTA, eightfold stars) and with the irreducible pion-and rho-exchange Tucson-Melbourne three-nucleon force added (TM3NF, stars). The shown results are obtained in impulse approximation and with all charge corrections up to order (1/M ) 2 included.…”

mentioning

confidence: 99%

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Relations between isoscalar charge form factors of two- and three-nucleon systems

et al. 1995

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“…[21]; compared with Ref. [11], the present calculation of e.m. trinucleon properties is improved as described in Ref. [16].…”

mentioning

confidence: 76%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Relations between isoscalar charge form factors of two- and three-nucleon systems

et al. 1995

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“…The magnetic form factors have been studied by other groups as well [67,120,121], where more sophisticated currents and ∆-admixtures have been included. This shifts theory much closer to the data, especially at the higher Q-values, which are not in the focus of this review.…”

Section: Comparison With Datamentioning

confidence: 99%

Electron and photon scattering on three-nucleon bound states

et al. 2005

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A big spectrum of processes induced by real and virtual photons on the 3 He and 3 H nuclei is theoretically investigated through many examples based on nonrelativistic Faddeev calculations for bound and continuum states. The modern nucleon-nucleon potential AV18 together with the threenucleon force UrbanaIX is used. The single nucleon current is augmented by explicit π-and ρ-like two-body currents which fulfill the current continuity equation together with the corresponding parts of the AV18 potential. We also employ the Siegert theorem, which induces many-body contributions to the current operator. The interplay of these different dynamical ingredients in the various electromagnetic processes is studied and the theory is compared to the experimental data.Overall we find fair to good agreement but also cases of strong disagreement between theory and experiment, which calls for improved dynamics. In several cases we refer the reader to the work of other groups and compare their results with ours. In addition we list a number of predictions for observables in different processes which would challenge this dynamical scenario even more stringently and systematically.

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“…Drechsel et al [21] and Strueve et al [22] also considered the two-and three-body MEC in their calculations for the 3 He and 3 H form factors. Both models described the experimental data with a good degree of success after including these processes.…”

Section: B Comparison With Model Calculations and Previous Datamentioning

confidence: 99%

Coherent photoproduction ofπ+fromHe3

Nasseripour¹,

Berman²,

Adhikari³

et al. 2011

Phys. Rev. C

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We have measured the differential cross section for the γ 3 He→ π + t reaction. This reaction was studied using the CEBAF Large Acceptance Spectrometer (CLAS) at Jefferson Lab. Real photons produced with the Hall-B bremsstrahlung tagging system in the energy range from 0.50 to 1.55 GeV were incident on a cryogenic liquid 3 He target. The differential cross sections for the γ 3 He→ π + t reaction were measured as a function of photon-beam energy and pion-scattering angle. Theoretical predictions to date cannot explain the large cross sections except at backward angles, showing that additional components must be added to the model.

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3He and 3H electromagnetic form factors

Cited by 75 publications

References 36 publications

Relations between isoscalar charge form factors of two- and three-nucleon systems

Relations between isoscalar charge form factors of two- and three-nucleon systems

Electron and photon scattering on three-nucleon bound states

Coherent photoproduction ofπ+fromHe3

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