Fission fragment energy correlation measurements for the sub-barrier (nth, f) of 241Am and 243Am

Asghar, M. I.; Caïtucoli, F.; Perrin, Paul B.; Barreau, G.; Leroux, B.

doi:10.1016/0375-9474(80)90072-x

Cited by 19 publications

(5 citation statements)

References 5 publications

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“…3. (color online) Calculated <TKE> as a function of heavy fission fragment mass number, using the experimental data for total kinetic energy of light fission fragments (Tsekhanovich [16] and Martinez [56]) for neutron-induced fission of Np.…”

Section: Fig 2 (Color Online) Calculated Mean Kinetic Energy Of Light...mentioning

confidence: 99%

“…This indicates that this increase is related to the collective effect of nucleons (neutrons and protons). Np are presented in two series: the <TKE> values of series 1 are obtained with the experimental data of Tsekhanovich [16] for average kinetic energy of light fission fragments, and the <TKE> values of series 2 are obtained with the experimental data of Martinez [56] for average kinetic energy of light fission fragments. This figure indicates that the <TKE> values of series 2 for neutron-induced fission of Np are closer to the <TKE> values of other nuclei with the same mass number.…”

Section: Table 2 Change In Values Of Neutron-induced Fission Ofmentioning

confidence: 99%

“…This indicates that these results are not normal. Fortunately, there are other experimental kinetic energy values for neutron-induced fission of Np [56]. In Table 3 Martinez [56] has measured the average kinetic energy values for fission of Np after double thermal neutron capture in a Np target, but the mean kinetic energy of light fission fragments is also measured.…”

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confidence: 99%

“…(color online) (a) Comparison of experimental values of total kinetic energy for neutron-induced fission ofAm[57], Pu[58], U[59] Np[52], U[60]. (b) Experimental values of total kinetic energy for neutron-induced fission of nuclei with mass number 238, such as Np (series 1)[16] and (series 2)[56].…”

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confidence: 99%

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Kinetic energy distribution for neutron-induced fission of neptunium isotopes

Kaldiani¹

2021

Chinese Phys. C

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The mean total kinetic energy as a function of fission fragments, the <TKE> distribution, is presented for neutron-induced fission of Np using the scission point model. The calculated results of <TKE> for neutron-induced fission of Np are compared with the available experimental data to obtain the deformation parameters in the scission point model. The deformation parameters of fission fragments are discussed at the scission point. The calculated results are also compared with the results from other methods and with experimental data. The behavior of the <TKE> distribution is then studied for the neutron-induced fission of actinides. This indicates that the <TKE> values for neutron-induced fission of actinides with odd mass numbers are greater than for those with even mass numbers.

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Section: Fig 2 (Color Online) Calculated Mean Kinetic Energy Of Light...mentioning

confidence: 99%

Section: Table 2 Change In Values Of Neutron-induced Fission Ofmentioning

confidence: 99%

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confidence: 99%

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confidence: 99%

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Kinetic energy distribution for neutron-induced fission of neptunium isotopes

Kaldiani¹

2021

Chinese Phys. C

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“…4 and 5, one can see that there are same slopes of the isotopes shown as the blue lines in the range [31][32][33][34][35][36]. A large amount of the measured average total kinetic energy distributions, such as 231 Pa, 232 U, 233 U, 235 U, 237 Np, 239 Pu, 241 Pu, 241 Am and 243 Am induced by thermal neutrons, shows that their peaks are located at A ≈ 132 [31][32][33][37][38][39][40][41]. And many measured charge distributions show that their peaks are located at Z ≈ 54 [42][43][44].…”

Section: B Deformation Parametermentioning

confidence: 99%

Kinetic Energy Distribution of Fragments for Thermal Neutron-Induced $^{235}$U and $^{239}$Pu Fission Reactions

Sun¹,

Peng²,

Xie³

et al. 2020

Preprint

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Focused on the generation and evolution of vast complementary pairs of the primary fission fragments at scission moment, Dinuclear and Statistical Model (DSM) is proposed. (1) It is assumed that the fissile nucleus elongates along a symmetric coaxis until it breaks into two primary fission fragments. (2) Every complementary pair of the primary fission fragments is approximatively described as two ellipsoids with large deformation at scission moment. (3) The kinetic energy in every complementary pair of the primary fragments is mainly provided by Coulomb repulsion, which is explicitly expressed through strict six-dimensional integrals. (4) Only three phenomenological coefficients are obtained to globally describe the quadrupole deformation parameters of arbitrary primary fragments both for 235 U(n th , f ) and 239 Pu(n th , f ) reactions, on the basis of the common characteristics of the measured data, such as mass and charge distributions, kinetic energy distributions. In the framework of DSM, the explicit average total kinetic energy distribution T KE(A) and the average kinetic energy distribution KE(A) are consistently represented. The theoretical results in this paper agree well with the experimental data. Furthermore, this model is expected as the reliable approach to generally evaluate the corresponding observebles for thermal neutron-induced fission of actinides.

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Fission fragments

Zamyatnin¹,

Konovalov²

Low Energy Neutrons and Their Interaction With Nuclei and Matter. Part 1

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Fission fragment energy correlation measurements for the sub-barrier (nth, f) of 241Am and 243Am

Cited by 19 publications

References 5 publications

Kinetic energy distribution for neutron-induced fission of neptunium isotopes

Kinetic energy distribution for neutron-induced fission of neptunium isotopes

Kinetic Energy Distribution of Fragments for Thermal Neutron-Induced $^{235}$U and $^{239}$Pu Fission Reactions

Fission fragments

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