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首页> 外文期刊>Physical review, C >Investigation of the interaction of circularly and linearly polarized photon beams with a polarized He-3 target
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Investigation of the interaction of circularly and linearly polarized photon beams with a polarized He-3 target

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Photodisintegration of polarized He-3 by linearly or circularly polarized photons offers a rich choice of observables, which can be calculated with high precision using a rigorous scheme of three-nucleon Faddeev equations. Using the (semi)phenomenological AV18 nucleon-nucleon potential combined with the Urbana IX three-nucleon force we investigate sensitivity of He-3 photodisintegration observables to underlying currents taken in the form of a single-nucleon current supplemented by two-body contributions for pi- and rho-meson exchanges or incorporated by the Siegert theorem. Promising observables to be measured for two- and three-body fragmentation of He-3 are identified. These observables form a challenging test ground for consistent forces and currents being under derivation within the framework of chiral perturbation theory. For three-body He-3 photodisintegration several kinematicaly complete configurations, including SST and FSI, are also discussed.

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