Semi-empirical systematics of (n, 2n) reaction cross-section at the energy of 14.5MeV

Konobeyev, A.Yu.; Lunev, V.P.; Shubin, Yu.N.

doi:10.1007/bf03035906

Cited by 21 publications

(4 citation statements)

References 10 publications

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“…On the whole, the results of calculations by EMPIRE 3.0 code with allowance for pre-equilibrium processes are in best agreement with experimental data. For calculations using different systematics, the results according to [11] are more suited for description of the experimental data. Cross sections of the (n, 2n), (n, p), (n, α) reactions on the Er isotopes are given on figure 2.…”

Section: Results Of Measurements and Calculationsmentioning

confidence: 99%

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Cross Sections of Neutron Reactions $(n,p)$, $(n, α)$, $(n, 2n)$ on Isotopes of Dysprosium, Erbium and Ytterbium at $\sim$ 14 MeV Neutron Energy

Kadenko,

Plujko

et al. 2013

Preprint

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The cross sections of the nuclear reactions induced by neutrons at En= 14.6 MeV on the isotopes of Dy, Er, Yb with emission of neutrons, proton and alpha-particle are studied by the use of new experimental data and different theoretical approaches. New and improved experimental data are measured by the neutron-activation technique. The experimental and evaluated data from EXFOR, TENDL, ENDF libraries are compared with different systematics and calculations by codes of EM-PIRE 3.0 and TALYS 1.2. Contribution of pre-equilibrium decay is discussed. Different systematics for estimations of the cross-sections of considered nuclear reactions are tested.

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Section: Results Of Measurements and Calculationsmentioning

confidence: 99%

“…The results of measurements of the cross sections of the nuclear reactions (n, p), (n, α), (n, 2n) on isotopes of Dy, Er and Yb at the neutron energy 14.6 ± 0.2 MeV -Systematics [11],…”

Section: Discussionmentioning

confidence: 99%

Cross Sections of Neutron Reactions $(n,p)$, $(n, α)$, $(n, 2n)$ on Isotopes of Dysprosium, Erbium and Ytterbium at $\sim$ 14 MeV Neutron Energy

Kadenko,

Plujko

et al. 2013

Preprint

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“…However, availability and complexity of such computer codes pose problems for easy and quick estimation of the neutron emission data particularly for thick target neutron yield distributions. A large number of empirical and semi-empirical formulae with different parameters for cross-section calculations of the reactions (n, p), (n, α) and (n, 2n) at the different neutron energies have been proposed by several authors [1][2][3][4][5][6][7][8][9][10]. Belgaid and Asghar [11] also obtained a semi-empirical formula which includes five parameters and shown for the first time a strong dependence of the (n, p) cross-sections in terms of the parameter (N − Z)/A.…”

Section: Introductionmentioning

confidence: 91%

Empirical relation and establishment of shell effects in (n, 2n) reaction cross-sections at 14 MeV

Goyal

Gur

2009

Pramana - J Phys

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The experimental data for (n, 2n) reaction cross-sections around 14 MeV neutron energy have been collected from the literature and analysed for the isotopes having 1 ≤ Z ≤ 82. The empirical relations for the reaction cross-sections have been obtained, which show fairly good fits with the experimental values. The shell effects have been established at magic nucleon numbers for (n, 2n) reaction cross-sections around 14 MeV neutron energy. The odd-even effects have also been observed as the cross-sections for odd-mass nuclei are higher than their neighbouring even-even nuclei.

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“…A large number of empirical and semi-empirical formulae with different parameters for cross-section calculation of the reactions like (n, p), (n, =) and (n, 2n) at the different neutron energies have been proposed by several authors [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16]. Many of the nuclides produced in the reactor have short half lives, so they are unstable and it is not possible to measure their cross-sections directly.…”

Section: Introductionmentioning

confidence: 99%

The systematics of (n, α) reaction cross-sections at 14.5 MeV neutron energy

Goyal

Kishore

2010

Indian J Phys

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A comprehensive review of the experimental data for 14.5 MeV neutron induced reaction crosssections for (n, =) reaction has been made for the isotopes having Z up to 82. Two different parameter groups have been considered by the classification of nuclei into odd-mass and even-even nuclei. The empirical formulae with two parameters for the evaluation of (n, =) reaction cross-sections are discussed in the present study. The odd-even effects have been observed as the cross-sections of odd-mass nuclei are higher as compared to their neighboring even-even nuclei. The shell effects have also been established at magic nucleon numbers for these reaction cross-sections.

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Semi-empirical systematics of (n, 2n) reaction cross-section at the energy of 14.5MeV

Cited by 21 publications

References 10 publications

Cross Sections of Neutron Reactions $(n,p)$, $(n, α)$, $(n, 2n)$ on Isotopes of Dysprosium, Erbium and Ytterbium at $\sim$ 14 MeV Neutron Energy

Cross Sections of Neutron Reactions $(n,p)$, $(n, α)$, $(n, 2n)$ on Isotopes of Dysprosium, Erbium and Ytterbium at $\sim$ 14 MeV Neutron Energy

Empirical relation and establishment of shell effects in (n, 2n) reaction cross-sections at 14 MeV

The systematics of (n, α) reaction cross-sections at 14.5 MeV neutron energy

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