Measurements of the deuteron and proton magnetic form factors at large momentum transfers | Zendy

P. Bosted | Zendy; A. T. Katramatou | Zendy; R. G. Arnold | Zendy; D. Benton | Zendy; L. Clogher | Zendy; G. deChambrier | Zendy; J.M. Lambert | Zendy; A. Lung | Zendy; G. G. Petratos | Zendy; A. A. Rahbar | Zendy; S. E. Rock | Zendy; Z. M. Szalata | Zendy; B. Debebe | Zendy; M. Frodyma | Zendy; R. S. Hicks | Zendy; A. Hotta | Zendy; G. A. Peterson | Zendy; R. Gearhart | Zendy; J. Alster | Zendy; J. Lichtenstadt | Zendy; Franz Dietrich | Zendy; K. van Bibber | Zendy

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Measurements of the deuteron and proton magnetic form factors at large momentum transfers

Author(s) -

P. Bosted,

A. T. Katramatou,

R. G. Arnold,

D. Benton,

L. Clogher,

G. deChambrier,

J.M. Lambert,

A. Lung,

G. G. Petratos,

A. A. Rahbar,

S. E. Rock,

Z. M. Szalata,

B. Debebe,

M. Frodyma,

R. S. Hicks,

A. Hotta,

G. A. Peterson,

R. Gearhart,

J. Alster,

J. Lichtenstadt,

Franz Dietrich,

K. van Bibber

Publication year - 1990

Publication title -

physical review c

Language(s) - English

Resource type - Journals

eISSN - 1089-490X

pISSN - 0556-2813

DOI - 10.1103/physrevc.42.38

Subject(s) - physics , deuterium , proton , form factor (electronics) , momentum transfer , nucleon , atomic physics , meson , nuclear physics , magnetic form factor , dipole , recoil , electron , particle physics , scattering , quantum mechanics

magnetic form factor Gstr(Q2) at 11 Q values between 0.49 and 1.75 (GeV/c) . The data were ob- tained using an electron beam of 0.5 to 1.3 GeV. Electrons backscattered near 180' were detected in coincidence with deuterons or protons recoiling near 0 in a large solid-angle double-arm spectrome- ter system. The data for B(Q ) are found to decrease rapidly from Q =1.2 to 2 (GeV/c), and then rise to a secondary maximum around Q'=2. 5 (GeV/c)'. Reasonable agreement is found with several different models, including those in the relativistic impulse approximation, nonrelativistic calculations that include meson-exchange currents, isobar configurations, and six-quark configurations, and one calculation based on the Skyrme model. All calculations are very sensitive to the choice of deuteron wave function and nucleon form factor parametrization. The data for GMr(Q') are in good agreement with the empirical dipole fit.

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