Ciencias,UNAM

Coulomb excitation of radioactive Te-132,Te-134,Te-136 beams and the low B(E2) of Te-136

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Coulomb excitation of radioactive Te-132,Te-134,Te-136 beams and the low B(E2) of Te-136

Radford, DC; Baktash, C; Beene, JR; Fuentes, B; Galindo-Uribarri, A; Gross, CJ; Hausladen, PA; Lewis, TA; Mueller, PE; Padilla, E; Shapira, D; Stracener, DW; Yu, CH; Barton, CJ; Caprio, MA; Coraggio, L; Covello, A; Gargano, A; Hartley, DJ; Zamfir, NV
URI: http://hdl.handle.net/11154/1886
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Date: 2002

Abstract:

The B(E2;0(+)-->2(+)) values for the first 2(+) excited states of neutron-rich Te-132,Te-134,Te-136 have been measured using Coulomb excitation of radioactive ion beams. The B(E2) values obtained for Te-132,Te-134 are in excellent agreement with expectations based on the systematics of heavy stable Te isotopes, while that for Te-136 is unexpectedly small. These results are discussed in terms of proton-neutron configuration mixing and shell-model calculations using realistic effective interactions.

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