Odd-parity 100Sn Core Excitations

M. Palacz, J. Nyberg, H. Grawe, K. Sieja, G. de Angelis, P. Bednarczyk, A. Blazhev, D. Curien, Z. Dombradi, O. Dorvaux, Jörgen Ekman, J. Galkowski, M. Gorska, J. Iwanicki, G. Jaworski, J. Kownacki, J. Ljungvall, M. Moszynski, F. Nowacki, Dirk RudolphD. Sohler, D. Wolski, M. Zieblinski

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Abstract

Odd-parity core excited states have been identified in two close neighbors of Sn-100: Pd-96 and Ag-97. This was done in an fusion-evaporation experiment, using a Ni-58 beam on a Sc-45 target. Even-parity core excited states in these nuclei are very well reproduced in large scale (LSSM) calculations in which particle-hole excitations are allowed with up to five g(9/2) protons and neutrons across the N = Z = 50 gap, to the g(7/2), d(5/2), d(3/2), and s(1/2) orbitals. The odd-parity states can only be qualitatively interpreted though, employing calculations in the full fpg shell model space, but with just one particle-hole core excitation allowed. A more complete model including odd-parity orbitals is need for the description of core excited states in the region of Sn-100. DOI:10.5506/APhysPolB.44.491

Subject classification (UKÄ)

  • Subatomic Physics

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