Fusion and fission of heavy and superheavy nuclei (experiment)

Иткис, М. Г.; Vardaci, E.; Itkis, I. M.; Knyazheva, G. N.; Козулин, Э. М.

doi:10.1016/j.nuclphysa.2015.09.007

Cited by 109 publications

(61 citation statements)

References 99 publications

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“…An interesting, albeit yet experimentally unexplored, decay mode of superheavy nuclei is cluster radioactivity. This phenomenon, first observed in 1984 (Rose and Jones, 1984) as the emission of 14 C from 223 Ra, has since been confirmed in a number of heavy nuclei with Z > 86, which decay by emitting light clusters between 14 C and 34 Si, as well as in superheavy nuclei with Z ≤ 116 (Itkis et al, 2015;Kozulin et al, 2014). For superheavy nuclei with Z ≥ 118, cluster radioactivity is expected to become competitive with alpha decay and spontaneous fission (Poenaru and Gherghescu, 2018;Poenaru et al, 2011Poenaru et al, , 2012Poenaru et al, , 2013Poenaru et al, , 2015Santhosh and Nithya, 2018a;Zhang and Wang, 2018).…”

Section: Fissionmentioning

confidence: 75%

“…But to get closer to N = 184 is not going to be easy. To find the optimal production methods, systematic fusion reaction studies are being carried out (Hinde et al, 2017;Itkis et al, 2015;Khuyagbaatar et al, 2018;Loveland, 2016). One proposed route involves an enriched 251 Cf target and 58 Fe beam (Rykaczewski et al, 2016).…”

Section: Perspectives and Expectationsmentioning

confidence: 99%

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Colloquium : Superheavy elements: Oganesson and beyond

et al. 2019

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During the last decade, six new superheavy elements were added into the seventh period of the periodic table, with the approval of their names and symbols. This milestone was followed by proclaiming 2019 the International Year of the Periodic Table of Chemical Elements by the United Nations General Assembly. According to theory, due to their large atomic numbers, the new arrivals are expected to be qualitatively and quantitatively different from lighter species. The questions pertaining to superheavy atoms and nuclei are in the forefront of research in nuclear and atomic physics, and chemistry. This Colloquium offers a broad perspective on the field and outlines future challenges. References

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Section: Fissionmentioning

confidence: 75%

Section: Perspectives and Expectationsmentioning

confidence: 99%

Colloquium : Superheavy elements: Oganesson and beyond

et al. 2019

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“…Its study thus gives access to phenomena relevant for SHE formation, but in comparatively very short experiments. Observables include mass angle distributions [27] or mass energy distributions [28]. Combined with the corresponding experimental data, which can be recorded in short experiments, this will allow testing different models, thus providing guidance concerning which ones deliver the most trustworthy predictions.…”

Section: Randd Activities Towards a New Cw Linacmentioning

confidence: 99%

How elements up to 118 were reached and how to go beyond

Düllmann

2017

EPJ Web Conf.

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Abstract. The new superheavy elements with Z=113, 115, 117, and 118 were recently accepted into the periodic table and have been named. Elements with Z≥112 are predominantly produced in 48 Ca-induced fusion reactions on actinide targets. This pathway is exhausted at Z=118 due to the lack of target materials with sufficiently high proton number to reach elements with Z≥119. Search experiments for yet heavier elements were performed at GSI Darmstadt and FLNR Dubna. Cf, leading to Z=120, have been studied. Despite a total duration of these experiments of more than one year, neither succeeded in the identification of a new element.

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“…Ideally, these frameworks will be extended to deliver predictions on observables of this "most likely outcome" of nucleus-nucleus collisions, i.e., QF (at least in cases where the underlying physics is contained in the framework). Such observables include mass angle distributions [40] or mass energy distributions [41]. Combined with the corresponding experimental data, which can be recorded in short experiments, this will allow testing different models, thus providing guidance concerning which ones deliver the most trustworthy predictions.…”

Section: Nobel Symposium Ns160 -Chemistry and Physics Of Heavy And Sumentioning

confidence: 99%

On the search for elements beyondZ=118. An outlook based on lessons from the heaviest known elements

Düllmann

2016

EPJ Web Conf.

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Abstract.Recently, IUPAC approved all elements up to Z = 118 as discovered. Search experiments for the heavier elements with Z = 119 and 120 have been performed in recent years, but have so far not led to their discovery. I will review some aspects associated with the study and identification of the heaviest known elements that are relevant for future search experiments for elements beyond Z = 118 and highlight pressing issues that should be addressed, both on the experimental as well as on the theory side, to allow for performing these future experiments under improved and better informed conditions.

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Fusion and fission of heavy and superheavy nuclei (experiment)

Cited by 109 publications

References 99 publications

Colloquium : Superheavy elements: Oganesson and beyond

Colloquium : Superheavy elements: Oganesson and beyond

How elements up to 118 were reached and how to go beyond

On the search for elements beyondZ=118. An outlook based on lessons from the heaviest known elements

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