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Journal Articles

In-source laser spectroscopy of dysprosium isotopes at the ISOLDE-RILIS

Chrysalidis, K.*; Barzakh, A. E.*; Ahmed, R.*; Andreyev, A. N.; Ballof, J.*; Cubiss, J. G.*; Fedorov, D. V.*; Fedosseev, V. N.*; Fraile, L. M.*; Harding, R. D.*; et al.

Nuclear Instruments and Methods in Physics Research B, 463, p.472 - 475, 2020/01

https://doi.org/10.1016/j.nimb.2019.04.021
 Times Cited Count：3 Percentile：35.72(Instruments & Instrumentation)

A number of radiogenically produced dysprosium isotopes have been studied by in-source laser spectroscopy at ISOLDE using the Resonance Ionization Laser Ion Source (RILIS). Isotope shifts were measured relative to $$^{152}$$Dy in the $$4f^{10}6s^{2}~^{5}I_{8}$$ (gs) $$rightarrow$$ $$4f^{10}6s6p~(8,1)^{0}_{8}$$ (418.8 nm $$_{rm VAC}$$)resonance transition. The electronic factor, $$F$$, and mass shift factor, M, were extracted and used for determining the changes in mean-squared charge radii for $$^{rm 145m}$$Dy and $$^{rm 147m}$$Dy for the first time.

Journal Articles

$$alpha$$-decay branching ratio of $$^{180}$$Pt

Cubiss, J. G.*; Harding, R. D.*; Andreyev, A. N.; Althubiti, N.*; Andel, B.*; Antalic, S.*; Barzakh, A. E.*; Cocolios, T. E.*; Day Goodacre, T.*; Farooq-Smith, G. J.*; et al.

Physical Review C, 101(1), p.014314_1 - 014314_4, 2020/01

https://doi.org/10.1103/PhysRevC.101.014314
 Times Cited Count：5 Percentile：51.79(Physics, Nuclear)

The $$alpha$$-decay branching ratio of 0.52(5)% from the ground state of $$^{180}$$Pt to the ground state of the daughter nucleus $$^{176}$$Os has been determined more precisely than before. The $$^{180}$$Pt was produced as the $$beta$$-decay granddaughter of $$^{180}$$Hg which was produced and separated with the CERN-ISOLDE facility. The reduced $$alpha$$-decay width calculated with the present result has provided a new picture of the systematics for the $$alpha$$-decay width of neutron-deficient Pt isotopes.

Journal Articles

Fine structure in the $$alpha$$ decay of $$^{218}$$At

Cubiss, J. G.*; Andreyev, A. N.; Barzakh, A. E.*; Andel, B.*; Antalic, S.*; Cocolios, T. E.*; Day Goodacre, T.*; Fedorov, D. V.*; Fedosseev, V. N.*; Ferrer, R.*; et al.

Physical Review C, 99(6), p.064317_1 - 064317_6, 2019/06

https://doi.org/10.1103/PhysRevC.99.064317
 Times Cited Count：6 Percentile：53.3(Physics, Nuclear)

An $$alpha$$ decay of $$^{218}$$At was studied at the CERN-ISOLDE facility using a laser-ionization technique. Coincidence $$alpha$$-$$gamma$$ data were collected for the first time and a more precise half-life value of T$$_{1/2}$$ = 1.27(6) s was measured. A new $$alpha$$-decay scheme was deduced based on the fine-structure of the $$alpha$$ decay. The results lead to a preferred spin and parity assignment of J$$_{pi}$$ = (3$$^{-}$$) for the ground state of $$^{218}$$At; however, J$$_{pi}$$ = (2)$$^{-}$$ cannot be fully excluded.

Journal Articles

The ISOLDE laser ion source

Koizumi, Mitsuo; R.Catheroll*; V.N.Fedeoseyev*; G.J.Focker*; G.Fuber*; U.Koester*; O.J.Jonsson*; J.Lettry*; V.I.Mishin*; H.Ravn*; et al.

Proc. of Int. Workshop on JHF Science (JHF98), 2, p.437 - 440, 1998/08

no abstracts in English

Journal Articles

Recent developments of the ISOLDE laser ion source

J.Lettry*; R.Catherall*; V.Fedoseyev*; G.J.Focker*; G.Huber*; O.C.Jonsson*; E.Kugler*; Koizumi, Mitsuo; U.Koester*; V.I.Mishin*; et al.

Review of Scientific Instruments, 69(2), p.761 - 763, 1998/02

https://doi.org/10.1063/1.1148978
 Times Cited Count：63 Percentile：94.62(Instruments & Instrumentation)

no abstracts in English

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