Fine structure in the odd-odd proton emitter <math xmlns="http://www.w3.org/1998/Math/MathML"><mmultiscripts><mi>Tm</mi><mprescripts></mprescripts><none></none><mn>144</mn></mmultiscripts></math>

Pooja Siwach; P. Arumugam; S. Modi; L. S. Ferreira; E. Maglione

doi:10.1103/PhysRevC.105.L031302

Letter

Fine structure in the odd-odd proton emitter ${}^{144}{Tm}$

Pooja Siwach ^1,2, P. Arumugam ^1,*, S. Modi³, L. S. Ferreira⁴, and E. Maglione ⁴

¹Department of Physics, Indian Institute of Technology Roorkee, Roorkee 247667, Uttarakhand, India
²Department of Physics, University of Wisconsin, Madison, Wisconsin 53706, USA
³Department of Physics, BIT Sindri, Dhanbad, Jharkhand 828121, India
⁴Centro de Física e Engenharia de Materiais Avançados CeFEMA, and Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais, P1049-001 Lisbon, Portugal

^*Corresponding author: arumugam@ph.iitr.ac.in

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Phys. Rev. C 105, L031302 – Published 17 March, 2022

DOI: https://doi.org/10.1103/PhysRevC.105.L031302

Abstract

Axial symmetry breaking in ${}^{144}{Tm}$ is probed by examining its proton emission fine structure. The ground-state spin and parity in ${}^{144}{Tm}$ and daughter ${}^{143}{Er}$ are assigned unambiguously based on the corroboration of our calculations with the present data. We establish the first microscopic description of fine structure in odd-odd proton emitters, which is capable of resolving ambiguities present in the assignments of transitions in such nuclei.

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Fine structure in the odd-odd proton emitter ${}^{144}{Tm}$

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Fine structure in the odd-odd proton emitter Tm144

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Fine structure in the odd-odd proton emitter ${}^{144}{Tm}$