Photon absorption on a proton-proton pair in He-3

Wilhelm, P.; Niskanen, J.A.; Arenhovel, H.

doi:10.1103/PhysRevC.51.2841

Photon absorption on a proton-proton pair in He-3

P. Wilhelm
(
- Mainz U., Inst. Kernphys. and
- Kuibyshev Fin. Econ. Inst., Kazan
)
,
J.A. Niskanen
(
- Mainz U., Inst. Kernphys. and
- Kuibyshev Fin. Econ. Inst., Kazan
)
,
H. Arenhovel
(
- Mainz U., Inst. Kernphys. and
- Kuibyshev Fin. Econ. Inst., Kazan
)

May, 1995

2 pages

Published in:

Phys.Rev.C 51 (1995) 2841-2843

DOI:

10.1103/PhysRevC.51.2841

View in:

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Abstract: (APS)

We calculate the total cross sections for different multiple transitions in photon absorption in a 1S0 pp pair embedded in a He3 nucleus. Employing two models, one involving only nucleon degrees of freedom, the other in addition the Δ(1232) isobar, we show that the Δ gives important effects even in transitions where the photon cannot couple directly to the isobar.

21.45.+v
25.20.Dc

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