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Beta decay of 61Ga (1999)

Oinonen, M. ; Baumann, P. ; Dendooven, P. ; [et al.]

Springer

The European physical journal 5 (1999), S. 151-156

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ISSN: 1434-601X

Keywords: PACS: 21.10.Hw Spin, parity, and isobaric spin – 23.40.Hc Relation with nuclear matrix elements and nuclear structure – 27.50.+e 59 ≤ A ≤ 89

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract: The β decay of 61Ga to its mirror nucleus 61Zn has been measured for the first time by using on-line mass separation and β-delayed gamma-ray spectroscopy. The observed decay strength to the ground state implies superallowed character in accordance with the systematics of the mirror decays in the sd and fp shell. The β feedings observed to four excited states in 61Zn are consistent with earlier spin-parity assignments based on in-beam experiments. The ground-state spin and parity for 61Ga were determined to be 3/2−.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/s100500050271

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The decay of the neutron–rich nucleus 216Bi (2000)

Kurpeta, J. ; Andreyev, A. ; Äystö, J. ; [et al.]

Springer

The European physical journal 7 (2000), S. 49-54

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ISSN: 1434-601X

Keywords: PACS: 23.20.Lv Gamma transitions and level energies – 27.80.+w 190 ≤ A ≤ 219 – 29.30.Kv X- and γ-ray spectroscopy

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract: The decay of the neutron–rich isotope 216Bi, produced by proton–induced spallation at the PS Booster–ISOLDE facility, was investigated by β-γγ, αγ coincidence and spectrum-multiscaling measurements. A new method for reducing isobaric contamination enabled to cover the unknown region “east” of 208Pb for the isobaric chain A=216. The half-life of the β decay of 216Bi was found as T1/2= 135 ± 5 s. Its decay scheme was extended and the possible shell model configurations are proposed.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/s100500050010

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