Applicability of the statistical model for explaining the ratio of the (n, n′) to (n, 2n) cross sections

Petö, G.; Bornemisza-Pauspertl, P.; Károlyi, J.

doi:10.1007/bf03159213

Cited by 17 publications

(6 citation statements)

References 22 publications

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“…At the lowest energy there is agreement with the highest energy result by Bormann et al [83]. However, in general, the status of the data between 12 and 16 MeV is confusing [83][84][85][86]. The new results are well reproduced by the STAPRE model calculations that also agree well with the experimental work of Ref.…”

Section: Thesupporting

confidence: 84%

Neutron activation cross sections on lead isotopes

et al. 2009

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204,206 Pb as target nuclei with natural lead samples were enabled through a precise measurement of the isotopic ratios. For a first investigation of the consequences of the present data for nuclear reaction models they were confronted with calculations based on global parameter systematics in a phenomenological and in a microscopic approach and with parameters selected to reproduce the available data. The TALYS code was used for the former two calculations involving parameter systematics while the STAPRE code was used for the latter calculation.

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Section: Thesupporting

confidence: 84%

Neutron activation cross sections on lead isotopes

et al. 2009

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“…In the present work dealing with mercury isotopes, better results are obtained using a relatively low η value (<0.25). We recently came to the same conclusion from a study of the isomeric pairs 195 Hg m,g and 197 Hg m,g formed in 3 He-and α-particle-induced reactions [45]. The relatively low value of η describing the isomeric cross-section ratio in both neutron-and charged-particle-induced reactions confirms our postulate that η is mass dependent.…”

Section: B Isomeric Cross-section Ratiossupporting

confidence: 75%

“…The results obtained are shown in Fig. 6 together with the literature data in the energy range of 13-18 MeV [1][2][3][4][5][6][7]. Again, the transition from the low-to high-energy region is smooth.…”

mentioning

confidence: 54%

“…The quasimonoenergetic neutrons were produced via the 2 H(d, n) 3 He reaction (Q = 3.27 MeV) on a deuterium gas target (3.7 cm long, 1.8 × 10 5 Pa pressure). A sketch of the target is shown in Fig.1.…”

Section: A Samples and Irradiationsmentioning

confidence: 99%

“…Most of the data existing in the literature were measured at neutron energies around 14 MeV [1][2][3][4][5][6][7][8][9]. The only exception is the 198 Hg (n, 2n) 197 Hg m reaction, where Király et al [10] reported data for two neutron energies, namely, 11.2 and 12.5 MeV.…”

Section: Introductionmentioning

confidence: 99%

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Cross sections and isomeric cross-section ratios in the interactions of fast neutrons with isotopes of mercury

et al. 2006

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3 He reaction using a deuterium gas target at the Jülich variable energy compact cyclotron CV 28. Use was made of the activation technique in combination with high-resolution, high-purity Ge detector γ -ray spectroscopy. All the data were measured for the first time over the investigated energy range. The transition from the present low-energy data to the literature data around 14 MeV is generally good. Nuclear model calculations using the codes STAPRE and EMPIRE-2.19, which employ the statistical and precompound model formalisms, were undertaken to describe the formation of both the isomeric and ground states of the products. The total reaction cross section of a particular channel is reproduced fairly well by the model calculations, with STAPRE giving slightly better results. Regarding the isomeric cross sections, the agreement between the experiment and theory is only in approximate terms. A description of the isomeric cross-section ratio by the model was possible only with a very low value of η, i.e., the eff / rig ratio.

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Excitation functions for mercury isotopes

Manokhin¹,

Blokhin²

Low Energy Neutrons and Their Interaction With Nuclei and Matter. Part 2

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Applicability of the statistical model for explaining the ratio of the (n, n′) to (n, 2n) cross sections

Cited by 17 publications

References 22 publications

Neutron activation cross sections on lead isotopes

Neutron activation cross sections on lead isotopes

Cross sections and isomeric cross-section ratios in the interactions of fast neutrons with isotopes of mercury

Excitation functions for mercury isotopes

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