2024-03-19T09:09:49Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1416072020-06-16T11:39:54Zcom_10261_135com_10261_4com_10261_61col_10261_388col_10261_314
DIGITAL.CSIC
author
Lică, R.
author
Mach, H.
author
Fraile, Luis M.
author
García Borge, María José
author
Marroquín, I.
author
Morales, Ana Isabel
author
Nácher, Enrique
author
Perea, Ángel
author
Rotaru, F.
author
Tengblad, Olof
author
Vidal, M.
funder
Centro Nacional de Física de Partículas, Astropartículas y Nuclear (España)
funder
Ministerio de Economía y Competitividad (España)
funder
Research Foundation - Flanders
funder
Belgian Science Policy Office
funder
Universidad Complutense de Madrid
funder
European Organization for Nuclear Research
funder
Science and Technology Facilities Council (UK)
funder
European Commission
funder
SCOAP
funder
Ministero dell'Istruzione, dell'Università e della Ricerca
2016-12-19T08:58:04Z
2016-12-19T08:58:04Z
2016-04-04
Physical Review C - Nuclear Physics 93: 044303 (2016)
http://hdl.handle.net/10261/141607
10.1103PhysRevC/93.044303
http://dx.doi.org/10.13039/501100003329http://dx.doi.org/10.13039/501100003130http://dx.doi.org/10.13039/501100002911http://dx.doi.org/10.13039/501100000271http://dx.doi.org/10.13039/501100000780http://dx.doi.org/10.13039/501100003407
The levels in Sn129 populated from the β- decay of In129 isomers were investigated at the ISOLDE facility of CERN using the newly commissioned ISOLDE Decay Station (IDS). The lowest 12+ state and the 32+ ground state in Sn129 are expected to have configurations dominated by the neutron s12 (l=0) and d32 (l=2) single-particle states, respectively. Consequently, these states should be connected by a somewhat slow l-forbidden M1 transition. Using fast-timing spectroscopy we have measured the half-life of the 12+ 315.3-keV state, T12= 19(10) ps, which corresponds to a moderately fast M1 transition. Shell-model calculations using the CD-Bonn effective interaction, with standard effective charges and g factors, predict a 4-ns half-life for this level. We can reconcile the shell-model calculations to the measured T12 value by the renormalization of the M1 effective operator for neutron holes.
eng
openAccess
Fast-timing study of the l-forbidden 1/2+→3/2+ M1 transition in Sn129
artículo
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URL
https://digital.csic.es/bitstream/10261/141607/1/Fast-timing.pdf
File
MD5
f5288827a5d1551cab0cb4b4442f59bd
289353
application/pdf
Fast-timing.pdf