Identification of a millisecond isomeric state in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">Cd</mml:mi></mml:mrow><mml:mrow><mml:mn>81</mml:mn></mml:mrow><mml:none/><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>129</mml:mn></mml:mrow></mml:mmultiscripts></mml:math>via the detection of internal conversion and Compton electrons

Taprogge, J.; Jungclaus, A.; Grawe, H.; Nishimura, S.; Xu, Z. Y.; Doornenbal, P.; Lorusso, G.; Nácher, E.; Simpson, G. S.; Söderström, P.-A.; Sumikama, T.; Baba, H.; Browne, F.; Fukuda, N.; Gernhäuser, R.; Gey, G.; Inabe, N.; Isobe, T.; Jung, H. S.; Kameda, D.; Kim, G. D.; Kim, Y.-K.; Kojouharov, I.; Kubo, T.; Kurz, N.; Kwon, Y. K.; Li, Z.; Sakuraï, H.; Schaffner, H.; Steiger, Katja; Suzuki, Hiroshi; Takeda, Hiroyuki; Vajta, Zsolt; Watanabe, H.; Wu, J.; Yagi, A.; Yoshinaga, K.; Benzoni, G.; Bönig, S.; Chae, K. Y.; Coraggio, L.; Covello, A.; Daugas, J. M.; Drouet, F.; Gadea, A.; Gargano, A.; Ilieva, S.; Kondev, F. G.; Kroll, Thilo; Lane, G. J.; Montaner-Pizá, A.; Moschner, K.; Mücher, D.; Naqvi, F.; Nııkura, M.; Nıshıbata, H.; Odahara, A.; Orlandi, R.; Patel, Z.; Podolyák, Zs.; Wendt, A.

doi:10.1016/j.physletb.2014.09.047

Cited by 23 publications

(15 citation statements)

References 23 publications

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“…The 129 Cd (21/2 + ), T 1/2 = 3.6(2) ms isomer reported in Ref. [5] decays via the emission of γ rays with energies of 353, 406, 1181, and 1587 keV to the 11/2 − state. A spectrum was filled with the difference between the time of the observation of one of these transitions and the time of the next decay event.…”

Section: B β-Decay Half-livesmentioning

confidence: 91%

“…Surprisingly, besides the very short-lived component with a half-life of 3.6(2) ms [5] this curve shows no evidence for the presence of two significantly differ- ent half-life components associated with the decay of the two β-decaying states in 129 Cd as expected considering the previously reported values of 242(8) ms and 104(6) ms [8][9][10][11]. The total decay curve was then fitted with a function considering the ms isomeric state and two different parent half-lives and the known half-lives of the 9/2 + and 1/2 − β-decaying states, 611(5) ms and 1.23(3)s, respectively, in the 129 In daughter [24].…”

Section: B β-Decay Half-livesmentioning

confidence: 93%

“…In Refs. [5,7] first results of SM calculations were presented which employ an empirically optimised two-body interaction based on the one used in [17] and 1p 3/2 and 1p 1/2 proton single-hole energies from recent experimental work [7,14]. Here we use the same approach to calculate the spectrum of excited states in 129 In.…”

Section: B β-Decay Half-livesmentioning

confidence: 99%

“…First results from this experiment have already been presented for ms and µs isomeric states in 129 Cd [5] and 136,138 Sn [6] as well as for the β decays of 131,132 Cd [7] populating excited states in 131 In. In the present work, we report on the β decay of 129 Cd, which has two proton-holes and one neutron-hole with respect to the 132 Sn core.…”

Section: Introductionmentioning

confidence: 99%

“…In Ref. [5] we reported the first experimental information about γ-decaying excited states in 129 Cd by observing the decay of an isomeric state with a half-life of T 1/2 = 3.6(2)ms and a tentative spin/parity assignment of (21/2 + ). The shell model calculations performed in that work indeed suggest the 11/2 − state to be the ground state with the 3/2 + state placed at an excitation energy of 287 keV.…”

Section: Introductionmentioning

confidence: 99%

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βdecay ofCd129and excited states inIn129

Taprogge¹,

Jungclaus²,

Grawe³

et al. 2015

Phys. Rev. C

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The β decay of 129 Cd, produced in the relativistic fission of a 238 U beam, was experimentally studied at the RIBF facility at the RIKEN Nishina Center. From the γ radiation emitted after the β decays a level scheme of 129 In was established comprising 31 excited states and 69 γ-ray transitions. The experimentally determined level energies are compared to state-of-the-art shellmodel calculations. The half-lives of the two β-decaying states in 129 Cd were deduced and the β feeding to excited states in 129 In analyzed. It is found that as in most cases in the Z<50, N ≤82 region both decays are dominated by the ν0g 7/2 → π0g 9/2 Gamow-Teller transition, although the contribution of first-forbidden transitions cannot be neglected.

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Section: B β-Decay Half-livesmentioning

confidence: 91%

Section: B β-Decay Half-livesmentioning

confidence: 93%