Nuclear level densities and gamma-ray strength functions of<sup>145,149,151</sup>Nd isotopes

Ay, K. O.; Özgür, Mustafa; Algin, E.; Guttormsen, M.; Garrote, F. L. Bello; Görgen, A.; Hagen, T. W.; Ingeberg, V. W.; Kheswa, B. V.; Klintefjord, M.; Larsen, A. C.; Midtbø, J. E.; Modamio, V.; Renstrøm, T.; Rose, S.J.; Şahin, E.; Siem, S.; Tveten, G. M.; Zeiser, F.

doi:10.1088/1742-6596/766/1/012027

Cited by 3 publications

(2 citation statements)

References 11 publications

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“…As more neutrons are added and deformation increases, it may be expected that there should be more levels in 155 Sm compared to 153 Sm. The same behavior has also been observed in neodymium isotopes [69,70] where the lighter, spherical or less deformed isotopes exhibit higher NLDs than the more deformed, heavier isotopes. This phenomenon is consistent with the microscopic description of the NLDs obtained within the combinatorial (HFB+combinatorial) [53] and statistical (HFBCS+statistical) [68] models which are compared to the experimental data for the even-odd 153,155 Sm isotopes, in Fig.…”

Section: Discussionsupporting

confidence: 72%

Statistical properties of the well deformed $^{153,155}$Sm nuclei and the scissors resonance

Malatji,

Beckmann,

Wiedeking

et al. 2021

Preprint

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The Nuclear Level Densities (NLDs) and the γ-ray Strength Functions (γSFs) of 153,155 Sm have been extracted from (d,pγ) coincidences using the Oslo method. The experimental NLD of 153 Sm is higher than the NLD of 155 Sm, in accordance with microscopic calculations. The γSFs of 153,155 Sm are in fair agreement with QRPA calculations based on the D1M Gogny interaction. An enhancement is observed in the γSF for both 153,155 Sm nuclei around 3 MeV in excitation energy and is attributed to the M1 Scissors Resonance (SR). Their integrated strengths were found to be in the range 1.3 -2.1 and 4.4 -6.4 µ 2 N for 153 Sm and 155 Sm, respectively. The strength of the SR for 155 Sm is comparable to those for deformed even-even Sm isotopes from nuclear resonance fluorescence measurements, while that of 153 Sm is lower than expected.

show abstract

Section: Discussionsupporting

confidence: 72%

Statistical properties of the well deformed $^{153,155}$Sm nuclei and the scissors resonance

Malatji,

Beckmann,

Wiedeking

et al. 2021

Preprint

View full text Add to dashboard Cite

show abstract

Section: Discussionsupporting

confidence: 72%

Statistical properties of the well deformed Sm153,155 nuclei and the scissors resonance

et al. 2021

View full text Add to dashboard Cite

The nuclear level densities (NLDs) and the γ -ray strength functions (γ SFs) of 153,155 Sm have been extracted from (d, pγ ) coincidences using the Oslo method. The experimental NLD of 153 Sm is higher than the NLD of 155 Sm, in accordance with microscopic calculations. The γ SFs of 153,155 Sm are in fair agreement with QRPA calculations based on the D1M Gogny interaction. An enhancement is observed in the γ SF for both 153,155 Sm nuclei around 3 MeV in excitation energy and is attributed to the M1 scissors resonance (SR). Their integrated strengths were found to be in the range 1.3-2.1 and 4.4-6.4 μ 2 N for 153 Sm and 155 Sm, respectively. The strength of the SR for 155 Sm is comparable to those for deformed even-even Sm isotopes from nuclear resonance fluorescence measurements, while that of 153 Sm is lower than expected.

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Strong enhancement of level densities in the crossover from spherical to deformed neodymium isotopes

et al. 2021

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Nuclear level densities and gamma-ray strength functions of^145,149,151Nd isotopes

Cited by 3 publications

References 11 publications

Statistical properties of the well deformed $^{153,155}$Sm nuclei and the scissors resonance

Statistical properties of the well deformed $^{153,155}$Sm nuclei and the scissors resonance

Statistical properties of the well deformed Sm153,155 nuclei and the scissors resonance

Strong enhancement of level densities in the crossover from spherical to deformed neodymium isotopes

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Nuclear level densities and gamma-ray strength functions of145,149,151Nd isotopes

Cited by 3 publications

References 11 publications

Statistical properties of the well deformed $^{153,155}$Sm nuclei and the scissors resonance

Statistical properties of the well deformed $^{153,155}$Sm nuclei and the scissors resonance

Statistical properties of the well deformed Sm153,155 nuclei and the scissors resonance

Strong enhancement of level densities in the crossover from spherical to deformed neodymium isotopes

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Nuclear level densities and gamma-ray strength functions of^145,149,151Nd isotopes