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Spectroscopy of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi mathvariant="normal">Ho</mml:mi><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>144</mml:mn></mml:mrow></mml:mmultiscripts></mml:math>using recoil-isomer tagging

Paolo MasonSchuster Laboratory, University of Manchester, Manchester M13 9PL, United KingdomD. M. CullenSchuster Laboratory, University of Manchester, Manchester M13 9PL, United KingdomC. ScholeyDepartment of Physics, University of Jyväskylä, Jyväskylä FIN-40014, FinlandP. T. GreenleesDepartment of Physics, University of Jyväskylä, Jyväskylä FIN-40014, FinlandU. JakobssonDepartment of Physics, University of Jyväskylä, Jyväskylä FIN-40014, FinlandPeter G. JonesDepartment of Physics, University of Jyväskylä, Jyväskylä FIN-40014, FinlandR. JulinDepartment of Physics, University of Jyväskylä, Jyväskylä FIN-40014, FinlandS. JuutinenDepartment of Physics, University of Jyväskylä, Jyväskylä FIN-40014, FinlandS. KetelhutDepartment of Physics, University of Jyväskylä, Jyväskylä FIN-40014, FinlandM. LeinoDepartment of Physics, University of Jyväskylä, Jyväskylä FIN-40014, FinlandM. NymanDepartment of Physics, University of Jyväskylä, Jyväskylä FIN-40014, FinlandP. PeuraDepartment of Physics, University of Jyväskylä, Jyväskylä FIN-40014, FinlandA. PuurunenDepartment of Physics, University of Jyväskylä, Jyväskylä FIN-40014, FinlandP. RahkilaDepartment of Physics, University of Jyväskylä, Jyväskylä FIN-40014, FinlandP. RuotsalainenDepartment of Physics, University of Jyväskylä, Jyväskylä FIN-40014, FinlandJ. SorriDepartment of Physics, University of Jyväskylä, Jyväskylä FIN-40014, FinlandJ. SarénDepartment of Physics, University of Jyväskylä, Jyväskylä FIN-40014, FinlandJ. UusitaloDepartment of Physics, University of Jyväskylä, Jyväskylä FIN-40014, FinlandF. R. XuDepartment of Technical Physics, Peking University, Beijing 100871, People's Republic of China

2010lv

ABI

Annotatsiya

Excited states in the proton-unbound odd-odd nucleus $^{144}\mathrm{Ho}$ have been populated using the $^{92}\mathrm{Mo}(^{54}\mathrm{Fe},\mathit{pn})^{144}\mathrm{Ho}$ reaction and studied using the recoil-isomer-tagging technique. The alignment properties and signature splitting of the rotational band above the ${I}^{\ensuremath{\pi}}=({8}^{+})^{144m}\mathrm{Ho}$ isomer have been analyzed and the isomer confirmed to have a $\ensuremath{\pi}{h}_{11/2}\ensuremath{\bigotimes}\ensuremath{\nu}{h}_{11/2}$ two-quasiparticle configuration. The configuration-constrained blocking method has been used to calculate the shapes of the ground and isomeric states, which are both predicted to have triaxial nuclear shapes with $|\ensuremath{\gamma}|\ensuremath{\approx}{24}^{\ifmmode^\circ\else\textdegree\fi{}}$.

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Identifikatorlar

DOI: 10.1103/physrevc.81.024302

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