Study of Mass-Asymmetric Fission of 180,190Hg Formed in the 36Ar + 144,154Sm Reactions

Abstrac t—The mass–energy distributions of fission fragments of excited 180,190 Hg nuclei formed in 36 Ar + 144,154 Sm reactions are measured at incident 36 Ar energies of 158, 181, and 222 MeV using the double-arm time-of-flight spectrometer CORSET. The asymmetric fission of 180,190 Hg with the mos...

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Bibliographic Details
Published in:Bulletin of the Russian Academy of Sciences. Physics 2020-08, Vol.84 (8), p.1001-1006
Main Authors: Kumar, D., Kozulin, E. M., Cheralu, M., Knyazheva, G. N., Itkis, I. M., Itkis, M. G., Novikov, K. V., Bogachev, A. A., Kozulina, N. I., Diatlov, I. N., Pchelintsev, I. V., Vorobiev, I. V., Banerjee, T., Mukhamejanov, Y. S., Pan, A. N., Saiko, V. V., Singh, P. P., Sahoo, R. N., Andreyev, A. N., Filipescu, D. M., Maiti, M., Prajapat, R., Kumar, R.
Format: Article
Language:English
Subjects:
Fission
Fragments
Hadrons
Heavy Ions
Kinetic energy
Nuclear Physics
Physics
Physics and Astronomy
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Summary:Abstrac t—The mass–energy distributions of fission fragments of excited 180,190 Hg nuclei formed in 36 Ar + 144,154 Sm reactions are measured at incident 36 Ar energies of 158, 181, and 222 MeV using the double-arm time-of-flight spectrometer CORSET. The asymmetric fission of 180,190 Hg 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 180,190 Hg 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.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873820080213