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Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/4753
Title: New structure information on Mg-30, Mg-31 and Mg-32
Authors: Mach, H.; Fraile, Luis M.; Tengblad, Olof; Boutami, Rafik; Jollet, C.; Plóciennik, W. A.; Yordanov, D. T.; Stanoiu, M.; García Borge, María José; Butler, P. A.; Cederkäll, J.; Dessagne, Ph.; Fogelberg, B.; Fynbo, H.; Hoff, P.; Jokinen, A.; Korgul, A.; Köster, U.; Kurcewicz, W.; Maréchal, F.; Motobayashi, T.; Mrazek, J.; Neyens, G.; Nilsson, T.; Pedersen, S.; Poves, Alfredo; Rubio, Berta; Ruchowska, E.
Keywords: [PACS] Lifetimes, widths
[PACS] γ transitions and level energies
[PACS] Properties of specific nuclei listed by mass ranges: 20 ≤ A ≤ 38
Issue Date: 19-Jul-2005
Publisher: Società Italiana di Fisica
Citation: The European Physical Journal A: Hadrons and Nuclei 25(Suppl.1): 105-109 (2005)
Abstract: The fast timing βγγ(t) method was applied to investigate the level lifetimes in 30,31,32Mg. Levels in Mg have been populated in β and β-delayed neutron emission of Na, at the ISOLDE facility. From the γγ coincidences a number of new states have been identified and new level schemes were constructed for 30 31,32Mg. The following preliminary half lives have been determined: T-1/2 = 3.9(4) ns for the 1789 keV state in 30Mg, T-1/2 = 133(8) ps and 10.5(8) ns for the 221 keV and 461 keV states in 31Mg, respectively, and T-1/2 = 16(4) ps for the 885 keV level in 32Mg. The 1789 keV level was established as a candidate for the intruder 0(+) configuration in 30Mg with a possible strong E0 branch to the ground state.
Description: 5 pages, 10 figures.-- PACS nrs.: 21.10.Tg; 23.20.Lv; 27.30.+t.-- Issue title: "ENAM 2004, Fourth International Conference on Exotic Nuclei and Atomic Masses" (Pine Mountain, Georgia, Sep 12-16, 2004).
Publisher version (URL): http://dx.doi.org/10.1140/epjad/i2005-06-159-0
URI: http://hdl.handle.net/10261/4753
ISSN: 1434-6001 (Print)
1434-601X (Online)
DOI: 10.1140/epjad/i2005-06-159-0
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