scholarly journals Electromagnetic Form Factors for Composite Particles at Large Momentum Transfer

1967 ◽  
Vol 157 (5) ◽  
pp. 1402-1411 ◽  
Author(s):  
S. D. Drell ◽  
A. C. Finn ◽  
Michael H. Goldhaber
Keyword(s):  
Momentum Transfer ◽  
Form Factors ◽  
Large Momentum Transfer ◽  
Composite Particles ◽  
Large Momentum ◽  
Electromagnetic Form Factors

Weak and electromagnetic form factors of baryons at large momentum transfer

1981 ◽  
Vol 23 (5) ◽  
pp. 1152-1157 ◽  
Author(s):  
Stanley J. Brodsky ◽  
G. Peter Lepage ◽  
S. A. A. Zaidi
Keyword(s):  
Momentum Transfer ◽  
Form Factors ◽  
Large Momentum Transfer ◽  
Large Momentum ◽  
Electromagnetic Form Factors

EXCLUSIVE PHOTON-PROTON REACTIONS AT MODERATELY LARGE MOMENTUM TRANSFER

1991 ◽  
Vol 06 (23) ◽  
pp. 4107-4132 ◽  
Author(s):  
P. KROLL ◽  
M. SCHÜRMANN ◽  
W. SCHWEIGER
Keyword(s):  
Momentum Transfer ◽  
Compton Scattering ◽  
Form Factors ◽  
Large Momentum Transfer ◽  
Large Momentum ◽  
Electromagnetic Form Factors ◽  
Diquark Model ◽  
Transversal Polarization

The diquark model in which protons are viewed as being built up by quarks and diquarks (the latter are treated as quasi-elementary constituents at moderately large momentum transfer) is applied to Compton scattering off protons and combined with similar studies of the electromagnetic form factors of nucleons and of [Formula: see text]. It is demonstrated that the model is able to describe very well the data for these reactions at moderately large values of the momentum transfer with a common set of parameters. We also investigate the helicity dependence of the amplitudes. Very interesting and characteristic predictions for various observables are given. In particular a sizeable transversal polarization of the proton is obtained for Compton scattering.

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