Fine structure in the alpha decay of high-spin isomers in Lu-155 and Hf-156

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Parr, E, Page, RD, Joss, DT ORCID: 0000-0001-5763-8767, Ali, FA, Auranen, K, Capponi, L, Grahn, T, Greenlees, PT, Henderson, J, Herzan, A et al (show 26 more authors) , Jakobsson, U, Julin, R, Juutinen, S, Konki, J, Labiche, M, Leino, M, Mason, PJR, McPeake, C, O'Donnell, D, Pakarinen, J, Papadakis, P ORCID: 0000-0001-7509-4257, Partanen, J, Peura, P, Rahkila, P, Revill, JP, Ruotsalainen, P, Sandzelius, M, Saren, J, Scholey, C, Simpson, J, Smith, JF, Smolen, M, Sorri, J, Stolze, S, Thornthwaite, A and Uusitalo, J (2018) Fine structure in the alpha decay of high-spin isomers in Lu-155 and Hf-156. PHYSICAL REVIEW C, 98 (2).

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Abstract

Fine structure in the α decay of high-spin isomers in Lu155(25/2-) and Hf156(8+) has been studied for the first time using αγ-coincidence analysis. Three new α decays from Lu155(25/2-) and two from Hf156(8+) have been identified, populating seniority s>1 states in the N=82 nuclei Tm151 and Yb152, respectively. The reduced hindrance factors of the α decays support the previous configuration assignments of the populated states. This is the first observation of states with excitation energy greater than 1.5 MeV being populated following α decay in nuclei outside of the Pb208 region.

Item Type:	Article
Depositing User:	Symplectic Admin
Date Deposited:	05 Feb 2020 09:46
Last Modified:	19 Jan 2023 00:04
DOI:	10.1103/PhysRevC.98.024321
Related URLs:	Author
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3073554

Available Versions of this Item

• Fine structure in the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>α</mml:mi></mml:math> decay of high-spin isomers in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Lu</mml:mi><mml:mprescripts /><mml:none /><mml:mn>155</mml:mn></mml:mmultiscripts></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Hf</mml:mi><mml:mprescripts /><mml:none /><mml:mn>156</mml:mn></mml:mmultiscripts></mml:math>. (deposited 11 Oct 2018 10:20)
  • Fine structure in the alpha decay of high-spin isomers in Lu-155 and Hf-156. (deposited 05 Feb 2020 09:46) [Currently Displayed]