Fission properties of 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Rf</mml:mi><mml:mprescripts /><mml:none /><mml:mn>253</mml:mn></mml:mmultiscripts></mml:math>
 and the stability of neutron-deficient Rf isotopes

Лопез-Мартенс, А.; Hauschild, K.; Svirikhin, A. I.; Asfari, Zouhair; Chelnokov, M. L.; Chepigin, V. I.; Dorvaux, O.; Forge, M.; Галл, Б.; Исаев, А. В.; Izosimov, I. N.; Kessaci, K.; Kuznetsova, A. A.; Malyshev, O. N.; Mukhin, R. S.; Popeko, A. G.; Popov, Yu. A.; Sailaubekov, B.; Sokol, E. A.; Tezekbayeva, M. S.; Yeremin, A. V.

doi:10.1103/physrevc.105.l021306

Cited by 13 publications

(7 citation statements)

References 14 publications

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“…[69] for 253 Rf was recently given in Ref. [73]. In this work, fissions from two single-particle states in 253 Rf have also been measured confirming the findings in Ref.…”

Section: Fission-hindrance Factor Dependence On K Numbersupporting

confidence: 90%

“…One of the new findings in Ref. [73] was the K -isomeric state in 253 Rf. The existence of K -isomer state with a half-life of 0.66 ms, which is significantly longer than the ones known in 254 Rf [47,74], 255 Rf [53,75] and 256 Rf [76,77] is in agreement with the present estimates.…”

Section: Fission-hindrance Factor Dependence On K Numbermentioning

confidence: 93%

“…Therefore, unambiguous experimental evidence, which would justify the statement made in Ref. [73] are highly demanded. One of the new findings in Ref.…”

Section: Fission-hindrance Factor Dependence On K Numbermentioning

confidence: 96%

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Fission-stability of high-K states in superheavy nuclei

Khuyagbaatar

2022

Eur. Phys. J. A

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Fission is the one of the primary radioactive decay modes for the heaviest nuclei and ultimately determines the existence of the heaviest elements on a macroscopic time scale, e.g., $$\ge 10^{-14}$$ ≥ 10 - 14 s. The present experimental data on the decay properties of the heaviest nuclei with proton numbers 102–118 and/or of neutron numbers up to 177 show that fission occurs occasionally. This confirms that shell structure plays an essential role for their stability against fission. The shell effect on fission manifests in both collective and single-particle ways, which can experimentally be studied in decays of even–even, odd-A and odd–odd nuclei. At the same time, high-K states formed in couplings of quasiparticles are also known to be stable against fission. However, detailed knowledge and theoretical descriptions on a retardation effect/strength of high-K quantum number on fission are still scarce. In the present work, fission from high-K states are discussed and described within the semi-empirical approach. Fission half-lives are calculated for various high-K states, which have been theoretically predicted to exist in Fm-Rf (Z = 100–104) and Hs-Ds (Z = 108–112). The results are found to be in line with the available experimental findings, and also leading to different intriguing predictions, e.g., high-K states in superheavy nuclei tend to be more stable against fission compared to their ground states.

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“…[69] for 253 Rf was recently given in Ref. [73]. In this work, fissions from two single-particle states in 253 Rf have also been measured confirming the findings in Ref.…”

Section: Fission-hindrance Factor Dependence On K Numbersupporting

confidence: 90%

Section: Fission-hindrance Factor Dependence On K Numbermentioning

confidence: 93%

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Fission-stability of high-K states in superheavy nuclei

Khuyagbaatar

2022

Eur. Phys. J. A

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“…6 is the decrease of the excitation energy of the 1/2 + [631] state as the proton number increases, possibly becoming the ground state in the next isotone 253 Rf. This state is not populated in the α decay of N=151 isotones, but its γ decay (or α decay in the case of 251 No [20] and 253 Rf [22,23]) has been observed in direct production. As shown in Fig.…”

Section: N=149 Isotonesmentioning

confidence: 99%

“…+ state would then have an excitation energy of 133 keV. Regarding the lastknown N=149 isotone, recent experimental data has confirmed the existence of two fissioning states in 253 Rf[22,23], most likely based on the 7/2 + [624] and 1/2 + [631] neutron configurations. The lower-spin state is also observed to have a 17(6)% α-decay branch to the newly-discovered isotope249 No[22,24,25].…”

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confidence: 99%

Spectroscopy of super heavy elements with GABRIELA

Лопез-Мартенс

Hauschild²

2022

Eur. Phys. J. A

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Nuclear Data Sheets for A=245

Nesaraja

2023

Nuclear Data Sheets

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Fission properties of Rf253 and the stability of neutron-deficient Rf isotopes

Cited by 13 publications

References 14 publications

Fission-stability of high-K states in superheavy nuclei

Fission-stability of high-K states in superheavy nuclei

Spectroscopy of super heavy elements with GABRIELA

Nuclear Data Sheets for A=245

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