Shape coexistence scenario in 
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 from a 
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 fast-timing measurement

Basak, S.; Alam, Shah; Kumar, D.; Saha, A.; Bhattacharjee, T.

doi:10.1103/physrevc.104.024320

Cited by 6 publications

(2 citation statements)

References 32 publications

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“…150 Sm 88 has been found [363] to lie very close to the SPT from spherical to prolate deformed shapes. Recent lifetime measurements [625] support the appearance of SC in it. See also Ref.…”

Section: Thementioning

confidence: 86%

Shape Coexistence in Even–Even Nuclei: A Theoretical Overview

Bonatsos,

Martinou,

Peroulis

et al. 2023

Atoms

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The last decade has seen a rapid growth in our understanding of the microscopic origins of shape coexistence, assisted by the new data provided by the modern radioactive ion beam facilities built worldwide. Islands of the nuclear chart in which shape coexistence can occur have been identified, and the different microscopic particle–hole excitation mechanisms leading to neutron-induced or proton-induced shape coexistence have been clarified. The relation of shape coexistence to the islands of inversion, appearing in light nuclei, to the new spin-aligned phase appearing in N=Z nuclei, as well as to shape/phase transitions occurring in medium mass and heavy nuclei, has been understood. In the present review, these developments are considered within the shell-model and mean-field approaches, as well as by symmetry methods. In addition, based on systematics of data, as well as on symmetry considerations, quantitative rules are developed, predicting regions in which shape coexistence can appear, as a possible guide for further experimental efforts that can help in improving our understanding of the details of the nucleon–nucleon interaction, as well as of its modifications occurring far from stability.

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“…150 Sm 88 has been found [363] to lie very close to the SPT from spherical to prolate deformed shapes. Recent lifetime measurements [625] support the appearance of SC in it. See also Ref.…”

Section: Thementioning

confidence: 86%

Shape Coexistence in Even–Even Nuclei: A Theoretical Overview

Bonatsos,

Martinou,

Peroulis

et al. 2023

Atoms

View full text Add to dashboard Cite

show abstract

“…Thus, the comparison to the experimental GT strength at low energies is another stringent test for calculations (Caurier, Nowacki, and Poves, 2012;Iwata et al, 2015;Coraggio et al, 2019) and shows that 100 Mo is currently more difficult to describe than other ββ nuclei (Coraggio et al, 2022). While nuclear structure data for otherwise-stable ββ nuclei have been collected over decades, modern experiments keep illuminating new aspects that test theoretical predictions, including recent work on heavy A ¼ 136 (Nzobadila Ondze et al, 2021;Rebeiro et al, 2021) and A ¼ 150 (Basak et al, 2021) nuclei. It is important to pursue further studies of this kind, as they may indicate physics missing in the calculations but relevant for 0νββ decay.…”

Section: Spectroscopy and Charge Exchangementioning

confidence: 99%

Toward the discovery of matter creation with neutrinoless ββ decay

et al. 2023

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The discovery of neutrinoless ββ decay could soon be within reach. This hypothetical ultrarare nuclear decay offers a privileged portal to physics beyond the standard model of particle physics. Its observation would constitute the discovery of a matter-creating process, corroborating leading theories of why the Universe contains more matter than antimatter, and how forces unify at high energy scales. It would also prove that neutrinos and antineutrinos are not two distinct particles but can transform into each other, with their mass described by a unique mechanism conceived by Majorana. The recognition that neutrinos are not massless necessitates an explanation and has boosted interest in neutrinoless ββ decay. The field stands now at a turning point. A new round of experiments is currently being prepared for the next decade to cover an important region of parameter space. In parallel, advances in nuclear theory are laying the groundwork to connect the nuclear decay with the underlying new physics. Meanwhile, the particle theory landscape continues to find new motivations for neutrinos to be their own antiparticle. This review brings together the experimental, nuclear theory, and particle theory aspects connected to neutrinoless ββ decay to explore the path toward, and beyond, its discovery.

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Role of thin film fabrication for nuclear physics studies—The targets

Bhattacharjee

2024

Comprehensive Materials Processing

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Shape coexistence scenario in Sm150 from a γ−γ fast-timing measurement

Cited by 6 publications

References 32 publications

Shape Coexistence in Even–Even Nuclei: A Theoretical Overview

Shape Coexistence in Even–Even Nuclei: A Theoretical Overview

Toward the discovery of matter creation with neutrinoless ββ decay

Role of thin film fabrication for nuclear physics studies—The targets

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