Fine structure in the α decay of 223U

Sun, Mingze; Liu, Z.; Huang, T. H.; Zhang, W.Q.; Andreyev, A. N.; Ding, Bing; Wang, J.G.; Liu, X.Y.; Lu, Haiyan; Hou, D. S.; Gan, Z. G.; Ma, Long; Yang, H. B.; Zhang, Z.Y.; Yu, Lingfei; Jiang, Jian; Wang, K.L.; Wang, Y.S.; Liu, M.L.; Li, Z.H.; Li, J.; Wang, X.; Feng, A.H.; Lin, C. J.; Sun, L. J.; Ma, Nan-Ru; Zuo, Wei; Xu, H. S.; Zhou, X. H.; Xiao, Guoqing; Qi, Chong; Zhang, F.S.

doi:10.1016/j.physletb.2019.135096

Cited by 11 publications

(12 citation statements)

References 28 publications

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“…In the present work, αγ -coincidence analysis has been used to establish the energies of the two excited states reported in Refs. [5,6] [38,39] for 213 Po, [33,40,41] for 215 Rn, [13,33] for 217 Ra, and [42,43] for 219 Th. Hindrance factors of α decays from parent nuclear states, indicated on the upper x axis, to the product states are shown in brackets from Refs.…”

Section: B Previous Level Schemes Of 217 Ramentioning

confidence: 99%

“…Hindrance factors of α decays from parent nuclear states, indicated on the upper x axis, to the product states are shown in brackets from Refs. [33,35,43,44]. Solid symbols represent levels, or α decays to levels, that are newly observed.…”

Section: B Previous Level Schemes Of 217 Ramentioning

confidence: 99%

“…The state populated in 219 Th shown as a cross is taken from Ref. [43] and is discussed in the text.…”

Section: B Previous Level Schemes Of 217 Ramentioning

confidence: 99%

“…Also shown in square brackets are the known α-decay HFs to the levels taken from Refs. [33,35,43,44]. Single-particle configurations of the two new states observed in 217 Ra have been assigned based on their possible spins and parities (as described in Sec.…”

Section: Configurations Of Statesmentioning

confidence: 99%

“…8, can help to shed light on the structure of these parent ground states. The N = 131, odd-A isotones 215 84 Po, 217 86 Rn, 219 88 Ra, 221 90 Th, and 223 92 U have all been shown to decay by αparticle emission from their ground states [33,35,43,44]. The ground states of the five daughter nuclei, 211 82 Pb, 213 84 Po, 215 86 Rn, 217 88 Ra, and 219 90 Th, have all been assigned to have J π = 9/2 + , ν(g 9/2 ) 3 spherical shell configurations [13,33,36,39,42].…”

Section: Configurations Of Statesmentioning

confidence: 99%

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Excited states in Ra217 populated in the α decay of Th221

Parr¹,

Smith²,

Greenlees³

et al. 2020

Phys. Rev. C

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Fine structure in the α decay of 221 90 Th, populating excited states in 217 88 Ra, was studied using αγ -coincidence spectroscopy. Two α-decay branches from 221 Th have been newly observed, with E α (keV)[b α (%)] = 7951(8)[0.14(3)] and 8247(3)[1.51( 12)], together with three previously known branches. Also, two new states in 217 Ra were identified at E = 177 and 227 keV. The ground-state configurations of the odd-A, N = 131 transitional isotones above 208 Pb are interpreted from their α-decay fine structure systematics and considered in terms of predictions using spherical shell and reflection-asymmetric models.

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Section: B Previous Level Schemes Of 217 Ramentioning

confidence: 99%

Section: B Previous Level Schemes Of 217 Ramentioning

confidence: 99%

“…The state populated in 219 Th shown as a cross is taken from Ref. [43] and is discussed in the text.…”

Section: B Previous Level Schemes Of 217 Ramentioning

confidence: 99%

Section: Configurations Of Statesmentioning

confidence: 99%

Section: Configurations Of Statesmentioning

confidence: 99%

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Excited states in Ra217 populated in the α decay of Th221

Parr¹,

Smith²,

Greenlees³

et al. 2020

Phys. Rev. C

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Nuclear Data Sheets for A=219

Singh

Mukherjee

Basu

et al. 2021

Nuclear Data Sheets

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Theoretical study on the favored alpha-decay half-lives of deformed nuclei

Hassanzad¹,

Ghodsi²

2021

Chinese Phys. C

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A systematic study on the α-decay half-lives of nuclei in the range is performed by employing various versions of proximity potentials. To obtain more reliable results, deformation terms are included up to hexadecapole ( ) in the spherical-deformed nuclear and Coulomb interaction potentials. First, the favored α-decay processes in this region are categorized as even-even, odd A, and odd-odd nuclei. Second, they are grouped into two transitions: ground state to ground state and ground state to isomeric states. Owing to the comparison of their root-mean-square deviations (RMSD's), and have the lowest values and better reproduce experimental data. Moreover, by considering preformation probability within the cluster formation model, the results validate the significant reduction in root-mean-square deviations obtained for different versions of proximity. Hence, the deviation between the calculated and experimental data is detracted.

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Fine structure in the α decay of 223U

Cited by 11 publications

References 28 publications

Excited states in Ra217 populated in the α decay of Th221

Excited states in Ra217 populated in the α decay of Th221

Nuclear Data Sheets for A=219

Theoretical study on the favored alpha-decay half-lives of deformed nuclei

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