Two-photon processes in two-nucleon systems as a tool of searching for exotic six-quark resonances

Details Two-photon processes in two-nucleon systems as a tool of searching for exotic six-quark resonances Two-photon processes in two-nucleon systems as a tool of searching for exotic six-quark resonances

1998-12-30

arxiv.org/abs/nucl-th/9812077v2

Physics

Nuclear Physics

Nuclear Theory

9 pages, Latex, no figures; minor corrections in text and journal publication indications are added in some references

Scientific paper

The reaction $pp \to pp2\gamma$, proposed earlier to probe for the NN--decoupled dibaryon resonances, has been studied by the DIB$2\gamma$ Collaboration (JINR) and their preliminary data seem to give evidence for the resonance effect at about 1920 MeV. We discuss some other two-photon processes: the double radiative capture reaction in pionic deuterium, photoabsorption sum rules and the nuclear Compton scattering, which we consider to be especially feasible for further test and invesigation of possible low-lying, exotic six-quark states.

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