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21 results on '"Bondarchenko, A. E."'

3. Formation and Decay of the Composite System Z = 120 in Reactions with Heavy Ions at Energies Near the Coulomb Barrier

Author

Novikov, K. V., Kozulin, E. M., Knyazheva, G. N., Itkis, I. M., Karpov, A. V., Itkis, M. G., Diatlov, I. N., Cheralu, M., Gall, B., Asfari, Z., Kozulina, N. I., Kumar, D., Pchelintsev, I. V., Loginov, V. N., Bondarchenko, A. E., Singh, P. P., Vorobiev, I. V., Heinz, S., Trzaska, W. H., Vardaci, E., Tortorelli, N., Borcea, C., and Harca, I.

Published
2020
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9. Experimental tests of the modernized VASSILISSA separator (SHELS) with the use of accelerated 50Ti ions

Author

Yeremin, A. V., Popeko, A. G., Malyshev, O. N., Gall, B., Asfari, Z., Lopez-Martens, A., Hauschild, K., Dorvaux, O., Gikal, B. N., Bogomolov, S. L., Loginov, V. N., Bondarchenko, A. E., Chepigin, V. I., Svirikhin, A. I., Isaev, A. V., Sokol, E. A., Chelnokov, M. L., Kuznetsov, A. N., Kuznetsova, A. A., Popov, Yu. A., Rezynkina, K., Dechery, F., Andel, B., Hofmann, S., Maurer, J., Heinz, S., and Rubert, J.

Published
2015
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10. Erratum: Inverse quasifission in the reactions Gd 156,160 + W 186 (Physical Review C (2017) 96 (064621) DOI: 10.1103/PhysRevC.96.064621)

Author

Kozulin, E. M., Zagrebaev, V. I., Knyazheva, G. N., Itkis, I. M., Novikov, K. V., Itkis, M. G., Dmitriev, S. N., Harca, I. M., Bondarchenko, A. E., Karpov, A. V., Saiko, V. V., Vardaci, E., Kozulin, E. M., Zagrebaev, V. I., Knyazheva, G. N., Itkis, I. M., Novikov, K. V., Itkis, M. G., Dmitriev, S. N., Harca, I. M., Bondarchenko, A. E., Karpov, A. V., Saiko, V. V., and Vardaci, E.

Published
2018

11. Inverse quasifission in the reactions Gd 156,160 + W 186

Author

Kozulin, E. M., Zagrebaev, V. I., Knyazheva, G. N., Itkis, I. M., Novikov, K. V., Itkis, M. G., Dmitriev, S. N., Harca, I. M., Bondarchenko, A. E., Karpov, A. V., Saiko, V. V., Vardaci, E., Kozulin, E. M., Zagrebaev, V. I., Knyazheva, G. N., Itkis, I. M., Novikov, K. V., Itkis, M. G., Dmitriev, S. N., Harca, I. M., Bondarchenko, A. E., Karpov, A. V., Saiko, V. V., and Vardaci, E.

Subjects
fission, quasifission, super heavy elements
Abstract

Background: Low-energy multinucleon transfer reactions may be used for production of new neutron-enriched heavy nuclei. Purpose: Our aim is to investigate the influence of proton (Z=82) and neutron (N=82, 126) shells as well as orientation effects on the formation of reaction products in the inverse quasifission process in the reactions 156,160Gd + 186W. Methods: Mass, energy, and angular distributions of primary binary fragments formed in the reactions 156Gd+186W at an energy of 878 MeV, and 160Gd+186W at 860 and 935 MeV, have been measured using the double-arm time-of-flight spectrometer CORSET at the U400 cyclotron of the Flerov Laboratory of Nuclear Reactions (FLNR) at the Joint Institute for Nuclear Research (JINR), Dubna. Results: Enhancement in the yield of products with masses 200–215 u has been found for both reactions. The cross sections of the formation of trans-target fragments with masses around 208 u are found to be about 10μb at the Coulomb barrier energy and reach the level of 0.5 mb at the energy above the barrier for side-to-side collision. Conclusions: The enhanced yield of products with masses heavier than the target mass confirms the important role of the closed shells at Z=82 and N=82, 126 in the inverse quasifission process in low-energy damped collisions. The orientation effect caused by the strong deformation of colliding nuclei can result in a gain in the yield of heavy target-like fragments.

Published
2017

13. Inverse quasifission in the reactions Gd156,160+W186

Author

Kozulin, E. M., primary, Zagrebaev, V. I., additional, Knyazheva, G. N., additional, Itkis, I. M., additional, Novikov, K. V., additional, Itkis, M. G., additional, Dmitriev, S. N., additional, Harca, I. M., additional, Bondarchenko, A. E., additional, Karpov, A. V., additional, Saiko, V. V., additional, and Vardaci, E., additional

Published
2017
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15. Development of ECR multicharged ion sources for accelerators

Author

Bogomolov, Sergey L., primary, Bekhterev, Vladimir V., additional, Efremov, Andrey A., additional, Lebedev, Alexander N., additional, Loginov, Vladimir N., additional, Yazvitskiy, Nikolay Yu., additional, Bondarchenko, Andrey E., additional, and Kuzmenkov, Konstantin I., additional

Published
2014
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20. Formation and Decay of the Composite System Z = 120 in Reactions with Heavy Ions at Energies Near the Coulomb Barrier

Author

K. V. Novikov, B. Gall, M. G. Itkis, G. N. Knyazheva, M. Cheralu, I. M. Harca, Emanuele Vardaci, I. M. Itkis, N. Tortorelli, I. N. Diatlov, Zouhair Asfari, I. V. Vorobiev, Deepak Kumar, A. V. Karpov, I. V. Pchelintsev, Vladimir Loginov, N. I. Kozulina, A. Bondarchenko, Pushpendra Singh, C. Borcea, S. Heinz, E. M. Kozulin, Wladyslaw Henryk Trzaska, Novikov, K. V., Kozulin, E. M., Knyazheva, G. N., Itkis, I. M., Karpov, A. V., Itkis, M. G., Diatlov, I. N., Cheralu, M., Gall, B., Asfari, Z., Kozulina, N. I., Kumar, D., Pchelintsev, I. V., Loginov, V. N., Bondarchenko, A. E., Singh, P. P., Vorobiev, I. V., Heinz, S., Trzaska, W. H., Vardaci, E., Tortorelli, N., Borcea, C., Harca, I., Institut Pluridisciplinaire Hubert Curien (IPHC), and Université de Strasbourg (UNISTRA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
010302 applied physics, Physics, 010308 nuclear & particles physics, Fission, Hadron, Composite number, General Physics and Astronomy, Coulomb barrier, Actinide, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 01 natural sciences, 7. Clean energy, Ion, 0103 physical sciences, Production (computer science), Atomic physics, Energy (signal processing)
Abstract

International audience; The mass, energy and angular distributions of binary fragments formed in the reactions $^{64}$Ni + $^{238}$U, $^{58}$Fe + $^{244}$Pu, $^{52}$Cr + $^{248}$Cm, $^{54}$Cr + $^{248}$Cm at energies near the Coulomb barrier have been measured. The analysis of energy distributions of the symmetric fragments with mass numbers ${{{{A}_{{{\text{CN}}}}}} \mathord{\left/ {\vphantom {{{{A}_{{{\text{CN}}}}}} 2}} \right. \kern-0em} 2} \pm 20$ formed in these reactions have been applied to separate compound nucleus fission and quasi-fission. The estimated fusion probability for the reactions Cr, Fe, and Ni ions with actinide targets shows an exponential dependence on the mean fissility parameter of the system and shows also that reaction with Cr ions is more favorable for production of the super heavy element with Z = 120.

Published
2020

21. Inverse quasifission in the reactions 156,160Gd+186W.

Author

Kozulin, E. M., Zagrebaev, V. I., Knyazheva, G. N., Itkis, I. M., Novikov, K. V., Itkis, M. G., Dmitriev, S. N., Harca, I. M., Bondarchenko, A. E., Karpov, A. V., Saiko, V. V., and Vardaci, E.

Subjects
*NEUTRONS, *ANGULAR distribution (Nuclear physics), *TUNGSTEN isotopes
Abstract

Background: Low-energy multinucleon transfer reactions may be used for production of new neutron-enriched heavy nuclei. Purpose: Our aim is to investigate the influence of proton (Z=82) and neutron (N=82, 126) shells as well as orientation effects on the formation of reaction products in the inverse quasifission process in the reactions 156,160Gd+186W. Methods: Mass, energy, and angular distributions of primary binary fragments formed in the reactions 156Gd+186W at an energy of 878 MeV, and 160Gd+186W at 860 and 935 MeV, have been measured using the double-arm time-of-flight spectrometer CORSET at the U400 cyclotron of the Flerov Laboratory of Nuclear Reactions (FLNR) at the Joint Institute for Nuclear Research (JINR), Dubna. Results: Enhancement in the yield of products with masses 200-215 u has been found for both reactions. The cross sections of the formation of trans-target fragments with masses around 208 u are found to be about 10 µb at the Coulomb barrier energy and reach the level of 0.5 mb at the energy above the barrier for side-to-side collision. Conclusions: The enhanced yield of products with masses heavier than the target mass confirms the important role of the closed shells at Z=82 and N=82, 126 in the inverse quasifission process in low-energy damped collisions. The orientation effect caused by the strong deformation of colliding nuclei can result in a gain in the yield of heavy target-like fragments. [ABSTRACT FROM AUTHOR]

Published
2017
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