α decay of the neutron-deficient isotope ¹⁹⁰At

Summary, in English

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.

• Author: A. N. Andreyev; D. Seweryniak; B. Andel; S. Antalic; D. T. Doherty; A. Korichi; C. Barton; L. Canete; M. P. Carpenter; R. M. Clark; P. A. Copp; J. G. Cubiss; J. Heery; Y. Hrabar; H. Huang; T. Huang; V. Karayonchev; F. G. Kondev; T. Lauritsen; G. Lotay; C. Müller-Gatermann; C. Page; D. H. Potterveld; P. H. Regan; W. Reviol; D. Rudolph; M. Siciliano; R. S. Sidhu; A. Sitarčík; P. J. Woods; Z. Yue; W. Zhang
• Department/s: Nuclear physics; Department of Physics
• Publishing year: 2023-09-01
• Language: English
• Publication/Series: Physical Review C
• Volume: 108
• Issue: 3
• Full text: - 351 kB; Download statistics
• Links: http://dx.doi.org/10.1103/PhysRevC.108.034303
• Document type: Journal article
• Publisher: American Physical Society
• Topic: Subatomic Physics
• Keywords: alpha decay; binding energy; nuclear masses; lifetime; nuclear structure
• Status: Published
• Project: Characterization of New Superheavy Elements; Nuclear Structure at the Limits: Isotope-selective Spectroscopy
• ISBN/ISSN/Other: ISSN: 2469-9985