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Related papers: Alpha-cluster Condensations in Nuclei and Experime…

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Recently, experimental researches on the $\alpha$ decay with long lifetime are one of hot topics in the contemporary nuclear physics [e.g. N. Kinoshita {\sl et al.} (2012) and J. W. Beeman {\sl et al.} (2012) ]. In this study, we have…

Nuclear Theory · Physics 2014-10-13 Yibin Qian , Zhongzhou Ren

Four groups (even-even, even-odd, odd-even and odd-odd) of heavy and super-heavy nuclei are of interest for the synthesis of the isotopes with $Z=119, 120$. We report calculations of $\alpha$~decay half-lives using four models: AKRA…

Nuclear Theory · Physics 2017-07-10 D. N. Poenaru , R. A. Gherghescu

Electromagnetic transitions from deformed structures based on $\alpha$ configurations or on heavier clusters are discussed, drawing the link between multiparticle-multihole excited bands and cluster structures. Enhanced E2 and E1…

Nuclear Experiment · Physics 2015-06-15 S. Courtin , A. Goasduff , F. Haas

A spatial-time method of description of alpha-decay of a nucleus is presented. The method is based on the quantum mechanical model of the alpha-decay of a compound nuclear system with the barrier. alpha-decay dynamics is described on the…

Nuclear Theory · Physics 2007-05-23 Sergei P. Maydanyuk , Vladislav S. Olkhovsky , Sergei V. Belchikov

In this paper we present the results of two detailed N-body simulations of the interaction of a sample of four massive globular clusters in the inner region of a triaxial galaxy. A full merging of the clusters takes place, leading to a…

Astrophysics · Physics 2009-11-13 R. Capuzzo-Dolcetta , P. Miocchi

Alpha clustering in nuclei, at present is a well studied and reasonably well accepted property of the nucleus. Less well appreciated and more ambiguous is the role of A=3 clustering, i.e. helion and triton, in nuclei. Here we try to place…

Nuclear Theory · Physics 2011-12-21 Syed Afsar Abbas , Shakeb Ahmad

We study the effects of long range interactions on the phases observed in cohesive granular materials. At high vibration amplitudes, a gas of magnetized particles is observed with velocity distributions similar to non-magnetized particles.…

Soft Condensed Matter · Physics 2009-11-07 Daniel L. Blair , A. Kudrolli

To find candidates for long-lived high-K isomers in even-even Z=106-112 superheavy nuclei we study dominant alpha-decay channel of two- and four-quasi-particle configurations at a low excitation. Energies are calculated within the…

Nuclear Theory · Physics 2018-07-25 P. Jachimowicz , M. Kowal , J. Skalski

Effects of various nuclear interaction potentials on the decay lifetimes and the turning points of the WKB action integral has been studied. The microscopic nuclear potential obtained by folding in the density distribution functions of the…

Nuclear Theory · Physics 2007-05-23 D. N. Basu

We discuss medium effects on light cluster production in the QCD phase diagram by relating Mott transition lines to those for chemical freeze-out. In heavy-ion collisions at highest energies provided by the LHC, light cluster abundances…

Nuclear Theory · Physics 2025-01-09 D. Blaschke , S. Liebing , G. Röpke , B. Dönigus

An effective $\alpha$ particle equation is derived for cases where an $\alpha$ particle is formed on top of a doubly magic nucleus. As an example, we consider $^{212}$Po with the $\alpha$ on top of the $^{208}$ Pb core. We will consider the…

Nuclear Theory · Physics 2014-09-17 G. Röpke , P. Schuck , Bo Zhou , Y. Funaki , H. Horiuchi , Zhongzhou Ren , A. Tohsaki , Chang Xu , T. Yamada

Recent experimental efforts were made to explore the Bose-Einstein condensation in multi-$\alpha$ system using the heavy-ion collisions. This Letter provides a explanation why no signatures were observed and a guidance for future…

Nuclear Theory · Physics 2023-06-14 Jun Su , Long Zhu

We investigate resonance states in three-cluster continuum of some light nuclei $^{9}$Be, $^{9}$B, $^{10}$B, $^{11}$B and $^{11}$C. These nuclei are considered to have a three-cluster configuration consisting of two alpha-particles and…

Nuclear Theory · Physics 2018-09-12 V. S. Vasilevsky , K. Katō , N. Takibayev

Two exponents, $\delta$, for size distribution of $n$-atom clusters, $Y(n)\sim n^{-\delta}$, have been found in Au clusters sputtered from embedded Au nanoparticles under swift heavy ion irradiation. For small clusters, below 12.5 nm in…

Materials Science · Physics 2009-10-16 P. K. Kuiri , B. Joseph , H. P. Lenka , G. Sahu , J. Ghatak , D. Kanjilal , D. P. Mahapatra

Bose-Einstein condensation of light in 2D is characterized by two classical fields corresponding to two polarizations of light as well as by the distribution of dye molecules inducing light thermalization through dipolar transition. In the…

Quantum Gases · Physics 2020-03-09 Victor Fleurov , Anatoly Kuklov

The properties of few-body clusters (mass number $A \le 4$) are modified if they are immersed in a nuclear medium. In particular, Pauli blocking that reflects the antisymmetrization of the many-body wave function is responsible for the…

Nuclear Theory · Physics 2015-06-22 G. Röpke

As the density of matter increases, atomic nuclei disintegrate into nucleons and, eventually, the nucleons themselves disintegrate into quarks. The phase transitions (PT's) between these phases can vary from steep first order to smooth…

Nuclear Theory · Physics 2017-09-29 Veronica Dexheimer , Matthias Hempel , Igor Iosilevskiy , Stefan Schramm

We present a new picture that the $\alpha$-linear-chain structure for ${^{12}{\rm C}}$ and ${^{16}{\rm O}}$ has one-dimensional $\alpha$ condensate character. The wave functions of linear-chain states which are described by superposing a…

Nuclear Theory · Physics 2015-06-17 T. Suhara , Y. Funaki , B. Zhou , H. Horiuchi , A. Tohsaki

An analysis of the $\alpha$ + core properties of $^{104}$Te along with a global discussion on the $\alpha$-cluster structure above the double-shell closures is presented from the viewpoint of the local potential model. The $\alpha$ + core…

Nuclear Theory · Physics 2019-05-22 M. A. Souza , H. Miyake , T. Borello-Lewin , C. A. da Rocha , C. Frajuca

The framework of nuclear energy density functionals is applied to a study of the formation and evolution of cluster states in nuclei. The relativistic functional DD-ME2 is used in triaxial and reflection-asymmetric relativistic…

Nuclear Theory · Physics 2015-06-19 J. P. Ebran , E. Khan , T. Niksic , D. Vretenar