Universität zu Köln

Lica, R., Mach, H., Fraile, L. M., Gargano, A., Borge, M. J. G., Marginean, N., Sotty, C. O., Vedia, V., Andreyev, A. N., Benzoni, G., Bomans, P., Borcea, R., Coraggio, L., Costache, C., De Witte, H., Flavigny, F., Fynbo, H., Gaffney, L. P., Greenlees, P. T., Harkness-Brennan, L. J., Huyse, M., Ibanez, P., Judson, D. S., Konki, J., Korgul, A., Kroell, T., Kurcewicz, J., Lalkovski, S., Lazarus, I., Lund, M. V., Madurga, M., Marginean, R., Marroquin, I., Mihai, C., Mihai, R. E., Morales, A. I., Nacher, E., Negret, A., Page, R. D., Pakarinen, J., Pascu, S., Paziy, V., Perea, A., Perez-Liva, M., Picado, E., Pucknell, V., Rapisarda, E., Rahkila, P., Rotaru, F., Swartz, J. A., Tengblad, O., Van Duppen, P., Vidal, M., Wadsworth, R., Walters, W. B. and Warr, N. (2016). Fast-timing study of the l-forbidden 1/2(+) -> 3/2(+) M1 transition in Sn-129. Phys. Rev. C, 93 (4). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9993

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Abstract

The levels in Sn-129 populated from the beta(-) decay of In-129 isomers were investigated at the ISOLDE facility of CERN using the newly commissioned ISOLDE Decay Station (IDS). The lowest 1/2(+) state and the 3/2(+) ground state in 129Sn are expected to have configurations dominated by the neutron s(1/2) (l = 0) and d(3/2) (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 havemeasured the half-life of the 1/2(+) 315.3-keV state, T-1/2 = 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 T-1/2 value by the renormalization of the M1 effective operator for neutron holes.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Lica, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mach, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fraile, L. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gargano, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Borge, M. J. G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Marginean, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sotty, C. O. UNSPECIFIED UNSPECIFIED UNSPECIFIED Vedia, V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Andreyev, A. N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Benzoni, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bomans, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Borcea, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Coraggio, L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Costache, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED De Witte, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Flavigny, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fynbo, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gaffney, L. P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Greenlees, P. T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Harkness-Brennan, L. J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Huyse, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ibanez, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Judson, D. S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Konki, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Korgul, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kroell, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kurcewicz, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lalkovski, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lazarus, I. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lund, M. V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Madurga, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Marginean, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Marroquin, I. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mihai, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Mihai, R. E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Morales, A. I. UNSPECIFIED UNSPECIFIED UNSPECIFIED Nacher, E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Negret, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Page, R. D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Pakarinen, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Pascu, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Paziy, V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Perea, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Perez-Liva, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Picado, E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Pucknell, V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Rapisarda, E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Rahkila, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Rotaru, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Swartz, J. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Tengblad, O. UNSPECIFIED UNSPECIFIED UNSPECIFIED Van Duppen, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Vidal, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wadsworth, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Walters, W. B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Warr, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-278893
DOI:	10.1103/PhysRevC.93.044303
Journal or Publication Title:	Phys. Rev. C
Volume:	93
Number:	4
Date:	2016
Publisher:	AMER PHYSICAL SOC
Place of Publication:	COLLEGE PK
ISSN:	2469-9993
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language PICOSECOND LIFETIME MEASUREMENTS; NEUTRON-RICH NUCLEI Multiple languages Physics, Nuclear Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/27889