Relevant bibliographies by topics / EFT, alpha cluster, nucleus, nuclear theory

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  1. Journal articles
  2. Dissertations / Theses

Academic literature on the topic 'EFT, alpha cluster, nucleus, nuclear theory'

Author: Grafiati
Published: 11 March 2023
Last updated: 31 July 2025

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Journal articles on the topic "EFT, alpha cluster, nucleus, nuclear theory"

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Ashok, Nithu, Deepthy Maria Joseph, and Antony Joseph. "Cluster decay in osmium isotopes using Hartree–Fock–Bogoliubov theory." Modern Physics Letters A 31, no. 07 (2016): 1650045. http://dx.doi.org/10.1142/s0217732316500450.

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Cluster radioactivity is a rare cold nuclear process which is intermediate between alpha decay and spontaneous fission. The present work is a theoretical investigation of the feasibility of alpha decay and cluster radioactivity from proton rich Osmium (Os) isotopes with mass number ranging from 162–190. Osmium forms a part of the transition region between highly deformed and spherical nuclei. Calculations have been done using unified fission model and Hartree–Fock–Bogoliubov (HFB) theory. We have chosen only those decays with half-lives falling in measurable range. Geiger–Nuttall plot has been
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SCARPACI, J. A., M. FALLOT, D. LACROIX, et al. "PROBING PRE-FORMED ALPHA PARTICLES IN THE GROUND STATE OF NUCLEI." International Journal of Modern Physics E 20, no. 04 (2011): 1038–41. http://dx.doi.org/10.1142/s0218301311019222.

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In this proceeding we report on alpha particle emission through the nuclear break-up in the reaction 40 Ca on a 40 Ca target at 50A MeV. It is observed that alpha particles are emitted to the continuum with very specific angular distribution during the reaction. The alpha particle properties seem to be compatible with an alpha cluster in the daughter nucleus that is perturbed by the short range nuclear attraction of the collision partner and emitted as described by a time-dependent theory. This mechanism offers new possibilities to study alpha particle properties in the nuclear medium.
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Singh, Ajeet, A. Shukla, and M. K. Gaidarov. "Cluster decay half-lives in trans-tin and transition metal region using RMF theory." Journal of Physics G: Nuclear and Particle Physics 49, no. 2 (2021): 025101. http://dx.doi.org/10.1088/1361-6471/ac3c4e.

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Abstract In the present work, we have studied the alpha-like clusters (8Be, 12C, 16O, 20Ne, and 24Mg) decay half-lives in the trans-tin region for (106–116Xe, 108–120Ba, 114–126Ce, and 118–128Nd) and in transition metal region for (156–166Hf, 158–172W, 160–174Os, 166–180Pt, and 170–182Hg) nuclei. These half-lives have been calculated using the shape parametrization model of cluster decay in conjunction with the axially deformed relativistic mean-field model with the NL3* parameter set. They are also compared with the half-lives computed using the latest empirical relations, namely universal de
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4

KRAVCHUK, V. L., O. V. FOTINA, F. GRAMEGNA, et al. "PRE-EQUILIBRIUM ALPHA-PARTICLE EMISSION AS A PROBE TO EXPLORE ALPHA CLUSTERING IN NUCLEI." International Journal of Modern Physics E 20, no. 04 (2011): 1050–53. http://dx.doi.org/10.1142/s0218301311019258.

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Experimental data of the double-differential spectra of light particles emitted at pre-equilibrium stage of nuclear processes were obtained at Laboratori Nazionali di Legnaro for the heavy-ion reactions 130 and 250 MeV 16 O + 116 Sn . Light charged particles were measured in coincidence with evaporation residues in order to avoid unwanted competing mechanisms. The experimental data were collected in a wide angular range from 29 to 82 degrees in the laboratory system. Theoretical model was developed in order to describe simultaneously evaporative and pre-equilibrium emission of the light partic
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5

Chhetri, Rita, Amandeep Kaur, and Birbikram Singh. "Exploring alpha emissions in neutron induced reactions via QMFT based dynamical cluster-decay approach." Journal of Physics: Conference Series 2919, no. 1 (2024): 012037. https://doi.org/10.1088/1742-6596/2919/1/012037.

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Abstract This study theoretically investigates alpha emission from compound nuclei formed in neutron-induced reactions, inspired by the experiments of Yu M. Gledenov et al. at Peking University, China. The research focuses on the decay dynamics of even-mass compound nuclei 144Nd* and 148Sm*, formed with neutron beam energies of 4 to 6 MeV. Employing the Dynamical Cluster-decay Model (DCM) based on Quantum Mechanical Fragmentation Theory (QMFT), high Q-value alpha emission channels 144Nd*→ 140Ce+α and 148Sm*→ 144Nd+α are explored. Cross-sections for alpha emissions are calculated by optimizing
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Nazari, F., M. Radin та M. M. Arani. "Radiative Capture d(α, γ)6Li Reaction in Cluster Effective Field Theory". Progress of Theoretical and Experimental Physics, 1 травня 2025. https://doi.org/10.1093/ptep/ptaf045.

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Abstract In this study, we focus on the radiative capture process of the deuteron on alpha particle leading to the formation of 6Li in the two-body formalism through the cluster effective field theory. It was the primitive nuclear reaction to produce 6Li in a few minutes after the Big Bang. In detail, we outline the calculation of the dominant E1 and E2 electromagnetic transition amplitudes of d(α, γ)6Li up to next-to-leading order. Then we obtain the astrophysical S-factor by fitting it to the experimental data. Finally, we compare the obtained EFT results for the astrophysical S-factor with
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7

Ohkubo, S., J. Takahashi, and Y. Yamanaka. "Supersolidity of the $\alpha$ cluster structure in the nucleus $^{12}$C." Progress of Theoretical and Experimental Physics 2020, no. 4 (2020). http://dx.doi.org/10.1093/ptep/ptaa043.

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Abstract For more than half a century, the structure of $^{12}$C, such as the ground band, has been understood to be well described by the three $\alpha$ cluster model based on a geometrical crystalline picture. On the contrary, recently it has been claimed that the ground state of $^{12}$C is also well described by a nonlocalized cluster model without any of the geometrical configurations originally proposed to explain the dilute gas-like Hoyle state, which is now considered to be a Bose–Einstein condensate of $\alpha$ clusters. The challenging unsolved problem is how we can reconcile the two
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8

Zhang Kai-Lin, Han Sheng-Xian, Yue Sheng-Jun, Liu Zuo-Ye, and Hu Bi-Tao. "The impact of strong laser field on nuclear alpha decay." Acta Physica Sinica, 2024, 0. http://dx.doi.org/10.7498/aps.73.20231627.

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The developments of pulse amplification and compression technology have increased the peak power of the pulse by several orders of magnitude, and the ultra strong laser field will be possible to affect nuclei directly. The α decay, as one of the most major forms in nuclear reaction, is a critical research topic in nuclear physics. According to the theory of Gamow model explaining nuclear α decay in quantum mechanics, double folding model solving nuclear potential energy and cluster model describing atomic nucleus, we present a complete set of solutions for the half-life of nuclear α decay to s
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Dissertations / Theses on the topic "EFT, alpha cluster, nucleus, nuclear theory"

1

Filandri, Elena. "Effective field theory description of α cluster nuclei: The 9 Be ground state and 9 Be photodisintegration". Doctoral thesis, Università degli studi di Trento, 2022. http://hdl.handle.net/11572/338316.

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In this Thesis we present a description of α cluster nuclei, in particular focusing on the case of 9 Be, with αn and αα interactions derived from Cluster Effective Field Theory (EFT). The two-body potentials are regularized by a Gaussian cutoff which cures the short-distance dependence of the interaction and the potential parameters are found comparing the effective range expansion (ERE) with the calculated T-matrix. The calculation of the ground-state energies is carried out by diagonalizing the Hamiltonian on a Non symmetryzed Hyperspherical Harmonics basis in momentum space. Using only two
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