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Schiller, A.; Guttormsen, M.; Melby, E.; Rekstad, J.; Siem, S.

doi:10.1103/physrevc.61.044324

Cited by 18 publications

(18 citation statements)

References 27 publications

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“…The results obtained with the very different reactions ( 3 He,α) and ( 3 He, 3 He ′ ), are almost identical, except for the level density of the ground state band in 162 Dy. Here, the ( 3 He, 3 He ′ ) reaction overestimates the level density, as has been discussed previously [4].…”

Section: Experimental Methodssupporting

confidence: 69%

“…(4) are listed in Table I. The level densities for the three reactions previously published [3,4,7] deviate slightly since we here have used updated and newly recommended data [15,16]. The results obtained with the very different reactions ( 3 He,α) and ( 3 He, 3 He ′ ), are almost identical, except for the level density of the ground state band in 162 Dy.…”

Section: Experimental Methodsmentioning

confidence: 83%

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Thermal properties and radiative strengths inDy160,161,162

et al. 2003

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The level densities and radiative strength functions (RSFs) in 160,161 Dy have been extracted using the ( 3 He,αγ) and ( 3 He, 3 He ′ γ) reactions, respectively. The data are compared to previous measurements on 161,162 Dy. The energy distribution in the canonical ensemble is discussed with respect to the nucleon Cooper pair breaking process. The gross properties of the RSF are described by the giant electric dipole resonance. The RSF at low γ-ray energies is discussed with respect to temperature dependency. Resonance parameters of a soft dipole resonance at Eγ ∼ 3 MeV are deduced.

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Section: Experimental Methodssupporting

confidence: 69%

Section: Experimental Methodsmentioning

confidence: 83%

Thermal properties and radiative strengths inDy160,161,162

et al. 2003

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“…It has been shown that the measured total γ-ray spectrum of the 161 Dy(n, γ) [20]. These results strongly support the statistical model for the radiative decay in these reactions and the correctness of the extraction procedure for level densities and RSFs in the case of the 3 He induced reactions.…”

Section: Possible Systematic Errors and Other Considerationssupporting

confidence: 68%

Determination of the electromagnetic character of soft dipole modes solely based on quasicontinuous γ spectroscopy

Voinov

Schiller

Guttormsen

et al. 2003

Nuclear Instruments and Methods in Physics Research Section A:

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We show that the combined analysis of the quasicontinuous γ spectra from the ( 3 He,α) and the (n th , 2γ) reactions gives the possibility to measure the electromagnetic character of soft dipole resonances. Two-step γ-cascade spectra have been calculated, using level densities and radiative strength functions from the ( 3 He,αγ) reaction. The calculations show that the intensity of the twostep cascades depends on the electromagnetic character of the soft dipole resonance under study. The difference reaches 40-100% which can be measured experimentally. PACS number(s): 25.20.Lj, 24.30.Gd

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“…More details on this effect are given in Ref. [22]. Except for this effect, the agreement between level densities for the same nucleus obtained via two different reactions is excellent.…”

Section: Level Densitiesmentioning

confidence: 87%