Abstract
The charge form factors of 3He and 3H are calculated for 0 ≲ q 2 ≲ 1 (GeV/ c) 2 in the hybrid quark hadron (HQH) model. The main parameter is the separation parameter, r 0, between the internal quark cluster region and the external hadronic region, where solutions to the Faddeev equations are used. We find r 0 = 1.0 fm for 3He. With no adjustment of parameters the 3H charge form factor is fit quite well, testing the isospin nature of the long-range impulse and pion pair processes. The multiquark cluster contributions play a major role, with the probability for a nucleon to be in a six-quark cluster being about 14%. The six-quark cluster has a radius of 1.2 fm.
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