Andreyev, A N; Seweryniak, D; Andel, B; Antalic, S; Doherty, D T; Korichi, A; Barton, C; Canete, L; Carpenter, M P; Clark, R M; Copp, P A; Cubiss, J G; Heery, J; Hrabar, Y; Huang, H; Huang, T; Karayonchev, V; Kondev, F G; Lauritsen, T; Liu, Z; Lotay, G; Müller-Gatermann, C; Nandi, S; Page, C; Potterveld, D H; Regan, P H; Reviol, W; Rudolph, D; Siciliano, M; Sidhu, R S; Sitarčík, A; Woods, P J; Yue, Z; Zhang, W (2023) α decay of the neutron-deficient isotope 190 At. Physical Review C, 108 (3). 034303 ISSN 2469-9985

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Abstract

The α decay of the neutron-deficient 190At isotope was observed following the 103Rh(90Zr, 3n) 190At reaction at Argonne National Laboratory. The reaction products were separated from the beam using the Argonne Gas-Filled Analyzer and implanted into a double-sided Si strip detector. The spatial and temporal correlations between implanted nuclei and subsequent α decays towards the known daughter isotope 186Bi were used to identify and characterize 190At nuclei. Two possible decay scenarios are proposed for the 190At → 186Bi decay.

Item Type:	Article
Keywords:	Nuclear structure ; radioactivity ; alpha decay
Subjects:	Ionising Radiation > Radioactivity
Divisions:	Medical, Marine & Nuclear
Identification number/DOI:	10.1103/PhysRevC.108.034303
Last Modified:	16 Jun 2026 13:21
URI:	https://eprintspublications.npl.co.uk/id/eprint/10456