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α decay of the neutron-deficient isotope At190
- Andreyev, AN;
- Seweryniak, D;
- Andel, B;
- Antalic, S;
- Doherty, DT;
- Korichi, A;
- Barton, C;
- Canete, L;
- Carpenter, MP;
- Clark, RM;
- Copp, PA;
- Cubiss, JG;
- Heery, J;
- Hrabar, Y;
- Huang, H;
- Huang, T;
- Karayonchev, V;
- Kondev, FG;
- Lauritsen, T;
- Liu, Z;
- Lotay, G;
- Müller-Gatermann, C;
- Nandi, S;
- Page, C;
- Potterveld, DH;
- Regan, PH;
- Reviol, W;
- Rudolph, D;
- Siciliano, M;
- Sidhu, RS;
- Sitarčík, A;
- Woods, PJ;
- Yue, Z;
- Zhang, W
- et al.
Published Web Location
https://journals.aps.org/prc/pdf/10.1103/PhysRevC.108.034303?casa_token=pJ3MLpjVD90AAAAA%3ASv02w1pWQ30X-cg-Se2zrCYR8X6CJMtemTSBlEU7PTMWFJ1bvHxS4T76ECAEEqFp24rKyPOvtM1sfQNo data is associated with this publication.
Abstract
The α decay of the neutron-deficient At190 isotope was observed following the Rh103(Zr90,3n)At190 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 Bi186 were used to identify and characterize At190 nuclei. Two possible decay scenarios are proposed for the At190→Bi186 decay.