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2 results on '"N. D. Kovrizhnykh"'

1. Synthesizing and Studying Superheavy Nuclei 294Ts and 294Og

Author

V. K. Utyonkov, F. Sh. Abdullin, V. G. Subbotin, R. N. Sagaidak, M. G. Itkis, M. V. Shumeiko, I. V. Shirokovsky, Yu. Ts. Oganessian, A. N. Polyakov, A. V. Sabelnikov, Yu. S. Tsyganov, N. D. Kovrizhnykh, Grigory K. Vostokin, A. A. Voinov, and S. N. Dmitriev

Subjects
010302 applied physics, Physics, Nuclear physics, Isotope, 010308 nuclear & particles physics, 0103 physical sciences, Hadron, General Physics and Astronomy, Nuclide, 01 natural sciences, Recoil separator, Radioactive decay
Abstract

Experimental works performed on the Dubna gas-filled magnetic recoil separator (GFS) to study the reactions of formation of 294Ts and 294Og nuclides and the properties of their radioactive decay are described. Future possibilities of synthesizing new elements with Z = 119 and Z = 120 and performing experiments to study the properties of heavier isotopes of known superheavy nuclei Lv (Z = 116), Ts (Z = 117), and Og (Z = 118) are discussed.

Published
2020
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2. Search for the heaviest atomic nuclei among the products from reactions of mixed-Cf with a Ca48 beam

Author

Robert Grzywacz, I. V. Shirokovsky, A. V. Sabelnikov, M. G. Itkis, A. A. Voinov, S. N. Dmitriev, N. T. Brewer, K. Miernik, F. Sh. Abdullin, A. N. Polyakov, Nathan J. Sims, K. P. Rykaczewski, Julie G. Ezold, S. M. Van Cleve, J. H. Hamilton, G. D. Owen, R. N. Sagaidak, M. V. Shumeiko, A. I. Svirikhin, A. M. Sukhov, E. H. Smith, L. K. Felker, N. D. Kovrizhnykh, V. G. Subbotin, Rose A. Boll, A. G. Popeko, Yu. S. Tsyganov, D. J. Dean, V. K. Utyonkov, C. S. White, Yu. Ts. Oganessian, James B. Roberto, M. A. Stoyer, Grigory K. Vostokin, and D. C. McInturff

Subjects
Physics, Isotope, 010308 nuclear & particles physics, Detector, chemistry.chemical_element, Californium, 01 natural sciences, Recoil separator, Nuclear physics, chemistry, 0103 physical sciences, Atomic nucleus, Irradiation, Decay chain, Nuclear Experiment, 010306 general physics, Beam (structure)
Abstract

The search for new decay chains of oganesson isotopes is presented. The experiment utilized the Dubna Gas Filled Recoil Separator and a highly segmented recoil-decay detection system. The signals from all detectors were analyzed in parallel by digital and analog data acquisition systems. For the first time, a target of mixed californium (51% Cf249, 13% Cf250, and 36% Cf251) recovered from decayed Cf252 sources was produced and irradiated with an intense Ca48 beam. The observation of a new decay chain of Og294 is reported. The prospects for reaching new isotopes Og295,296 are discussed.

Published
2018
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