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Transverse electrodisintegration of the deuteron in the threshold region at highQ2
Author(s) -
R. G. Arnold,
D. Benton,
P. Bosted,
L. Clogher,
G. deChambrier,
A. T. Katramatou,
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.r1
Subject(s) - physics , hadron , deuterium , nucleon , particle physics , nuclear physics , meson
Cross sections for 180{degree} deuteron electrodisintegration have been measured near threshold for the {ital Q}{sup 2} range 1.21 to 2.77 (GeV/{ital c}){sup 2}. The data are compared to several nonrelativistic meson-nucleon and hybrid quark-hadron models. The data are in strong disagreement with the impulse approximation, indicating the importance of non-nucleonic degrees of freedom. None of the models are in good agreement with the data at all values of {ital Q}{sup 2}. The ratio {ital W}{sub 1}/{ital W}{sub 2} of inelastic structure functions has been extracted using previous forward angle data and is found to decrease strongly near threshold, also indicating the importance of interaction effects.

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