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Study of Mass-Asymmetric Fission of 180,190 Hg Formed in the 36 Ar + 144,154 Sm Reactions
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2020-09-18 , DOI: 10.3103/s1062873820080213
D. Kumar , E. M. Kozulin , M. Cheralu , G. N. Knyazheva , I. M. Itkis , M. G. Itkis , K. V. Novikov , A. A. Bogachev , N. I. Kozulina , I. N. Diatlov , I. V. Pchelintsev , I. V. Vorobiev , T. Banerjee , Y. S. Mukhamejanov , A. N. Pan , V. V. Saiko , P. P. Singh , R. N. Sahoo , A. N. Andreyev , D. M. Filipescu , M. Maiti , R. Prajapat , R. Kumar

Abstrac

t—The mass–energy distributions of fission fragments of excited 180,190Hg nuclei formed in 36Ar + 144,154Sm reactions are measured at incident 36Ar energies of 158, 181, and 222 MeV using the double-arm time-of-flight spectrometer CORSET. The asymmetric fission of 180,190Hg with the most probable masses of light and heavy fragments of 79 and 101 amu, and 84 and 106 amu, respectively, is observed in mass distributions of 180,190Hg at energies of excitation of up to 75 MeV. Two components manifesting the symmetric and asymmetric fission modes are observed in the kinetic energy distributions.



中文翻译:

36 Ar + 144,154 Sm反应中形成的180,190 Hg的质量不对称裂变的研究

Abstrac

t-在36 Ar + 144,154 Sm反应中形成的激发180,190 Hg核的裂变碎片的质量能分布是使用双臂飞行时间光谱仪CORSET在入射的158、181和222 MeV的36 Ar能量下测量的。在最高75 MeV的激发能量下,在180,190 Hg的质量分布中观察到180,190 Hg的不对称裂变,最可能的质量分别为79和101 amu,84和106 amu 。在动能分布中观察到两个展现对称和不对称裂变模式的成分。

更新日期:2020-09-20
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