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相关论文: Correlation between alpha-decay half-lives and sym…

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Theoretical decay half-lives of the heaviest odd-Z nuclei are calculated using the experimental Q value. The barriers in the quasimolecular shape path are determined within a Generalized Liquid Drop Model (GLDM) and the WKB approximation is…

核实验 · 物理学 2008-11-26 H. F. Zhang , G. Royer

We explore the systematics of the density dependence of nuclear matter symmetry energy in the ambit of microscopic calculations with various energy density functionals, and find that the symmetry energy from subsaturation density to…

核理论 · 物理学 2015-07-02 Lie-Wen Chen

We investigate the \alpha-decay of a spherical nucleus under the influence of an ultra-intense laser field for the case when the radius vector joining the center-of-masses of the \alpha-particle and the daughter is aligned with the…

核理论 · 物理学 2013-07-26 Serban Misicu , Margarit Rizea

The half-lives of newly observed $\alpha$-emitters $^{105}$Te and $^{109}$Xe [Seweryniak \textit{et al.}, Phys. Rev. C \textbf{73}, 061301(R) (2006); Liddick \textit{et al.}, Phys. Rev. Lett. \textbf{97}, 082501 (2006)] are investigated by…

核理论 · 物理学 2009-11-11 Chang Xu , Zhongzhou Ren

At low densities, with decreasing temperatures, in symmetric nuclear matter alpha-particles are formed, which eventually give raise to a quantum condensate with four-nucleon alpha-like correlations (quartetting). Starting with a model of…

核理论 · 物理学 2008-11-26 Y. Funaki , H. Horiuchi , G. Röpke , P. Schuck , A. Tohsaki , T. Yamada

The $\alpha$-decay half-lives of superheavy nuclei with $100 \leq Z \leq 120$ are comprehensively analyzed using the axially deformed relativistic mean field (RMF) formalism for the NL3$^*$ parameter set. We employ RMF binding energies to…

核理论 · 物理学 2024-03-06 Nishu Jain , M. Bhuyan , Raj Kumar

Relatively low energy and very enhanced alpha-particle groups have been observed in various actinide fractions produced via secondary reactions in a CERN W target which had been irradiated with 24-GeV protons. In particular, 5.14, 5.27 and…

核实验 · 物理学 2009-04-13 A. Marinov , S. Gelberg , D. Kolb , J. L. Weil

An investigation of the calculated $\alpha$ decay half-lives of super heavy nuclei (SHN) reveals that the diffuseness parameter is a great bottleneck for achieving accurate results and predictions. In particular, when universal proximity…

核理论 · 物理学 2021-01-19 Aladdin Abdul-latif , Omar Nagib

High density behaviour of nuclear symmetry energy is studied on the basis of a stiffest density dependence of asymmetric contribution to energy per nucleon in charge neutral $n+p+e+\mu$ matter under beta equilibrium. The density dependence…

综合物理 · 物理学 2016-11-09 B Behera , T R Routray , S K Tripathy

Theoretical estimates for the lifetimes of several isotopes of heavy elements with Z=102-120 are presented by calculating the quantum mechanical tunneling probability in a WKB framework and using microscopic nucleus-nucleus potential…

核理论 · 物理学 2007-06-13 C. Samanta , P. Roy Chowdhury , D. N. Basu

We analyze the neutron skin thickness in finite nuclei with the droplet model and effective nuclear interactions. The ratio of the bulk symmetry energy J to the so-called surface stiffness coefficient Q has in the droplet model a prominent…

核理论 · 物理学 2009-09-01 M. Warda , X. Vinas , X. Roca-Maza , M. Centelles

The symmetry energy, the neutron pressure and the asymmetric compressibility of deformed neutron-rich even-even nuclei are calculated on the examples of Kr and Sm isotopes within the coherent density fluctuation model using the symmetry…

核理论 · 物理学 2015-06-05 M. K. Gaidarov , A. N. Antonov , P. Sarriguren , E. Moya de Guerra

Background: The process of beta-delayed fission (bDF) provides a versatile tool to study low-energy fission in nuclei far away from the beta-stability line, especially for nuclei which do not fission spontaneously. Purpose: The aim of this…

核实验 · 物理学 2015-06-24 L. Ghys , AN. Andreyev , S. Antalic , M. Huyse , P. Van Duppen

In the present work we systematically study $\mathcal{\alpha}$ decay half-lives of $Z>51$ nuclei using the modified Gamow-like model which includes the effects of the centrifugal potential and electrostatic shielding. For the case of…

核理论 · 物理学 2019-05-14 Jun-Hao Cheng , Jiu-Long Chen , Jun-Gang Deng , Xi-Jun Wu , Xiao-Hua Li , Peng-Cheng Chu

A clear connection can be established between properties of nuclear matter and finite-nuclei observables, such as the correlation between the slope of the symmetry energy and dipole polarizability, or between compressibility and the…

核理论 · 物理学 2023-09-01 Ante Ravlić , Esra Yüksel , Tamara Nikšić , Nils Paar

$\alpha$-decay always has enormous impetuses to the development of physics and chemistry, in particular due to its indispensable role in the research of new elements. Although it has been observed in laboratories for more than a century, it…

核理论 · 物理学 2021-01-20 J. M. Dong , Q. Zhao , L. J. Wang , W. Zuo , J. Z. Gu

A systematic study on the alpha decay half lives of various isotopes of superheavy element \textit{Z} = 121 within the range 290 $\leq$ A $\leq$ 339 is presented for the first time using Coulomb and proximity potential model for deformed…

核理论 · 物理学 2016-09-22 K. P. Santhosh , C. Nithya

In a phenomenological approach, the $\alpha$ + core structure is investigated in the $^{20}$Ne, $^{44}$Ti, $^{94}$Mo, $^{104}$Te, and $^{212}$Po nuclei through the local potential model using a double-folding nuclear potential with…

核理论 · 物理学 2023-05-03 M. A. Souza , H. Miyake

$\beta$-decay properties of nuclei are investigated within the relativistic nuclear energy density functional framework by varying the temperature and density, conditions relevant to the final stages of stellar evolution. Both thermal and…

核理论 · 物理学 2021-09-06 A. Ravlic , E. Yuksel , Y. F. Niu , N. Paar

We evaluate the allowed $\beta^-$-decay properties of nuclei with $Z = 8 - 15$ systematically under the framework of the nuclear shell model with the use of the valence space Hamiltonians derived from modern $ab~intio$ methods, such as…

核理论 · 物理学 2020-03-23 Anil Kumar , Praveen C. Srivastava , Toshio Suzuki