Proton-hole excitation in the closed shell nucleus 205Au

Zs Podolyák, G. F. Farrelly, P. H. Regan, A. B. Garnsworthy, S. J. Steer, M. Górska, J. Benlliure, E. Casarejos, S. Pietri, J. Gerl, H. J. Wollersheim, R. Kumar, F. Molina, A. Algora, N. Alkhomashi, G. Benzoni, A. Blazhev, P. Boutachkov, A. M. Bruce, L. CaceresI. J. Cullen, A. M. Denis Bacelar, P. Doornenbal, M. E. Estevez, Y. Fujita, W. Gelletly, H. Geissel, H. Grawe, J. Grȩbosz, R. Hoischen, I. Kojouharov, S. Lalkovski, Z. Liu, K. H. Maier, C. Mihai, D. Mücher, B. Rubio, H. Schaffner, A. Tamii, S. Tashenov, J. J. Valiente-Dobón, P. M. Walker, P. J. Woods

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

33 Citas (Scopus)

Resumen

The neutron-rich N = 126 nucleus 205Au has been populated following the relativistic energy projectile fragmentation of E / A = 1   GeV 208Pb, and studied via charged-particle decay spectroscopy. An internal decay with a transition energy of 907(5) keV and a half-life of T1 / 2 = 6 (2)   s has been identified through the observation of the corresponding K and L internal conversion electron lines. The 907 keV energy level corresponds to the π h11 / 2-1 proton-hole state and decays both internally into the π d3 / 2-1 ground-state and via β decay into 205Hg. The obtained data provides information on the evolution of single-proton hole energies which are vital inputs of shell model descriptions for nuclei around the 20882Pb126 doubly magic core. © 2009 Elsevier B.V. All rights reserved.
Idioma originalInglés
Páginas (desde-hasta)116-119
Número de páginas4
PublicaciónPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
DOI
EstadoPublicada - 16 feb 2009
Publicado de forma externa

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