Proton energy and angular distributions from (n, p) and (n, np) reactions

Alvar, K.R.

doi:10.1016/0375-9474(72)90737-3

Cited by 18 publications

(3 citation statements)

References 21 publications

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“…It was found to be 9% for "CO and 12% for 93Nb. For the proton emission cross section the data of Alvar (1972) for 59C0 and the data of Traxler et a1 (1985) for 93Nb gave 4% for 59C0 and 21% for 93Nb.…”

Section: Theoretical Analysismentioning

confidence: 81%

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The interactions of 14 MeV neutrons with⁵⁹Co and⁹³Nb

Koumdjieva¹,

Hodgson²

1989

J. Phys. G: Nucl. Part. Phys.

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A detailed analysis is made of the reactions of 14 MeV neutrons with 5yC0 and 93Nb. The quantum mechanical reaction theory of Feshbach and co-workers has been used to analyse the emission spectra for the (n, nx), (n, px) and (p, nx) multistep compound reactions. Acceptable fits are obtained to the energy spectra provided the contributions from the (n, 2n) and (n, pn) reactions, also calculated with the statistical multistep compound formalism, are added at low outgoing energies. The cross sections in all open channels are calculated and compared with experiment.

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Section: Theoretical Analysismentioning

confidence: 81%

“…Energy spectrum of protons emitted from the "Co(n, px) reaction at 14MeV and 0 = 120". The experimental data ofAlvar (1972) (full circles) are compared with the statistical multistep compound calculations (full curve). The contributions to the proton emission of the first three pre-equilibrium stages and the r-stage are shown.…”

mentioning

confidence: 99%

The interactions of 14 MeV neutrons with⁵⁹Co and⁹³Nb

Koumdjieva¹,

Hodgson²

1989

J. Phys. G: Nucl. Part. Phys.

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“…On the other hand, measured and calculated differential and total yield cross-section data of 58 Ni(n, xa) and 63 Cu(n, xp) in the neutron energy range from 2.0 to 15.6 MeV [3] have been made by the STAPRE-H [4] code and compared with experimental data. According to Alvar [5], the proton energy and angular distributions from (n, p) and (n, np) reactions on 27 Al, 32 S, 59 Co and 58 Ni have been measured for 14.1 MeV neutrons, while the proton emission cross sections of Grimes et al, [6] in reactions of 15 MeV neutrons with isotopes of chromium, iron, nickel and copper were obtained using the sum of the two contributions of hybrid model calculations and the multistep Hauser--Feshbach calculations.…”

Section: Introductionmentioning

confidence: 99%

Preequilibrium models for ⁵⁸Ni (n, xp) reaction in Neutrons at 8, 9, 9.4, 11 and 14.8 MeV using the EMPIRE and TALYS codes

Yettou¹,

Belgaid²

2023

EPJ Web of Conf.

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In this study, the calculations of proton emission spectra produced by 58Ni (n, xp) reaction are used in the framework of preequilibrium models with the EMPIRE and TALYS codes. Exciton Model predictions combined with the Kalbach angular distributions systematics and statistical Multi-step Direct (MSD) with Multi-step Compound (MSC) processes preequilibrium models were used. Also, some necessary parameters as optical model, level density, level density a-parameter and single-particle level density parameter have been investigated for our calculations. The comparison with experimental data shows clear improvement over the Exciton and MSD with MSC models calculations.

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