Possibilities of direct production of superheavy nuclei with Z=112-118 in different evaporation channels; Physics Letters B; Vol. 809
| Parent link: | Physics Letters B Vol. 809.— 2020.— [135760, 8 p.] |
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| Autor Corporativo: | |
| Outros Autores: | , , , , |
| Resumo: | Title screen The production cross sections of heaviest isotopes of superheavy nuclei with charge numbers 112-118 are predicted in the xn-, pxn-, and αxn-evaporation channels of the 48Ca-induced complete fusion reactions for future experiments. The estimates of synthesis capabilities are based on a uniform and consistent set of input nuclear data. Nuclear masses, deformations, shell corrections, fission barriers and decay energies are calculated within the macroscopic-microscopic approach for even-even, odd-Z and odd-N nuclei. For odd systems the blocking procedure is used. To find saddle points, the Imaginary Water Flow technique is used and non-axiallity is taken into account. As shown, our calculations, based on a new set of mass and barriers, agree very well with the experimentally known cross-sections, especially in the 3n-evaporation channel. The dependencies of these predictions on the mass/fission barriers tables, the ratio af/a, and fusion models are discussed. A way is shown to produce directly unknown superheavy isotopes in the 1n- or 2n-evaporation channels. The synthesis of new superheavy isotopes unattainable in reactions with emission of neutrons is proposed in the promising channels with emission of protons (σpxn 10−200 fb) and alphas (σαxn 50−500 fb). |
| Idioma: | inglês |
| Publicado em: |
2020
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| Assuntos: | |
| Acesso em linha: | https://doi.org/10.1016/j.physletb.2020.135760 |
| Formato: | Recurso Eletrônico Capítulo de Livro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=666540 |
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| 200 | 1 | |a Possibilities of direct production of superheavy nuclei with Z=112-118 in different evaporation channels |f J. Hong, G. G. Adamyan, N. V. Antonenko [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References.: 101 tit.] | ||
| 330 | |a The production cross sections of heaviest isotopes of superheavy nuclei with charge numbers 112-118 are predicted in the xn-, pxn-, and αxn-evaporation channels of the 48Ca-induced complete fusion reactions for future experiments. The estimates of synthesis capabilities are based on a uniform and consistent set of input nuclear data. Nuclear masses, deformations, shell corrections, fission barriers and decay energies are calculated within the macroscopic-microscopic approach for even-even, odd-Z and odd-N nuclei. For odd systems the blocking procedure is used. To find saddle points, the Imaginary Water Flow technique is used and non-axiallity is taken into account. As shown, our calculations, based on a new set of mass and barriers, agree very well with the experimentally known cross-sections, especially in the 3n-evaporation channel. The dependencies of these predictions on the mass/fission barriers tables, the ratio af/a, and fusion models are discussed. A way is shown to produce directly unknown superheavy isotopes in the 1n- or 2n-evaporation channels. The synthesis of new superheavy isotopes unattainable in reactions with emission of neutrons is proposed in the promising channels with emission of protons (σpxn 10−200 fb) and alphas (σαxn 50−500 fb). | ||
| 338 | |b Российский фонд фундаментальных исследований |d 20-02-00176 | ||
| 461 | |t Physics Letters B | ||
| 463 | |t Vol. 809 |v [135760, 8 p.] |d 2020 | ||
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a superheavy nuclei | |
| 610 | 1 | |a complete fusion reactions | |
| 610 | 1 | |a production of new isotopes | |
| 610 | 1 | |a xn–, pxn–, and axn–evaporation channels | |
| 610 | 1 | |a сверхтяжелые ядра | |
| 610 | 1 | |a реакции | |
| 610 | 1 | |a изотопы | |
| 610 | 1 | |a испарение | |
| 701 | 1 | |a Hong |b J. |g Juhee | |
| 701 | 1 | |a Adamyan |b G. G. |g Gurgen Grigorjevich | |
| 701 | 1 | |a Antonenko |b N. V. |c physicist |c Professor of Tomsk Polytechnic University, Doctor of physical and mathematical sciences |f 1964- |g Nikolay Viktorovich |3 (RuTPU)RU\TPU\pers\35905 |9 19046 | |
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| 701 | 1 | |a Kowal |b M. |g Michal | |
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| 856 | 4 | |u https://doi.org/10.1016/j.physletb.2020.135760 | |
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