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NSR database version of May 3, 2024.

Search: Author = M.Tohamy

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2022TO04      Phys.Part. and Nucl.Lett. 19, 152 (2022)

M.Tohamy, E.K.Elmaghraby, E.H.El-hakim, M.N.H.Comsan

Thermal/Fast Fission Yield Ratio Signature for Neutron Interrogation of Nuclear Materials

NUCLEAR REACTIONS ²³⁵U(n, F), E thermal; ²³⁸U(n, F), E fast; measured reaction products, Eγ, Iγ. ¹³⁵Xe, ¹⁰¹Tc, ¹³⁸Cs, ^{132,133,134,135}I, ¹⁰⁵Ru, ⁹²Y, ^91,92Sr, ¹⁴⁰La, ⁸⁸Kr; deduced fission product yields, mass-distribution of fission yield. Comparison with JENDL-4.0 data.

doi: 10.1134/S1547477122020121
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2021EL11      Phys.Scr. 96, 12538 (2021)

E.K.Elmaghraby, M.Tohamy, M.N.H.Comsan

Multiscale time-bin analysis of delayed gamma-ray spectra of fission products

NUCLEAR REACTIONS ²³⁸U(n, γ), (n, F)¹³⁴Te/¹⁰¹Mo/⁹⁷Zr, E ∼ 3 MeV; measured reaction products, Eγ, Iγ. ¹³⁴I, ¹⁰¹Tc, ⁹⁷Nb; deduced an analysis scheme of delayed γ-ray spectra based on multiscale time-bin measurements in order to draw conclusions on the association of observed γ-lines to certain nuclides, especially following the fission process to serve nuclear safeguards and security. 5 Ci Am-Be source.

doi: 10.1088/1402-4896/ac37a3
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2021TO05      Appl.Radiat.Isot. 173, 109694 (2021)

M.Tohamy, K.Abbas, S.Nonneman, D.C.Rodriguez, F.Rossi

Improved experimental evaluation and model validation of a ²⁵²Cf irradiator for delayed gamma-ray spectrometry applications

NUCLEAR REACTIONS ¹¹⁵In, ¹⁹⁷Au(n, γ), E ∼ 2 MeV; measured reaction products, Eγ, Iγ; deduced ²⁵²Cf neutron flux. Comparison with calculations.

doi: 10.1016/j.apradiso.2021.109694
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2020TO07      Appl.Radiat.Isot. 165, 109340 (2020)

M.Tohamy, E.K.Elmaghraby, M.N.H.Comsan

Integral cross section of isomeric state formation in (neutron, nucleon) reactions using an Am-Be source

NUCLEAR REACTIONS ¹¹⁵In, ¹⁹⁵Pt, ¹⁹⁹Hg(n, n'), ⁵⁸Ni(n, p), E<11 MeV; measured reaction products, Eγ, Iγ; deduced isomeric σ. Comparison EMPIRE calculations, ENDF/B, JEFF-3 and IRDFF libraries.

doi: 10.1016/j.apradiso.2020.109340
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset31829.