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Nuclear Theory papers — page 226

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Signatures of shape phase transitions in krypton isotopes based on relativistic energy density functionals
Spectroscopic properties that characterize the shape phase transitions in krypton isotopes with the mass A≈80 region are investigated within the framework of the nuclear density functional…
K. E. Karakatsanis, K. NomuraMar 9, 2022
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Quenched Λ spin-orbit splitting by relativistic Fock diagram in single-Λ hypernuclei
We extend the relativistic Hartree-Fock (RHF) theory to study the structure of single-Λ hypernuclei. The density dependence is taken in both meson-nucleon and meson-hyperon coupling strengths, and…
Shi Yuan Ding, Zhuang Qian, Bao Yuan Sun et al.Mar 9, 2022
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Questioning the 239Pu(n,2n)238Pu cross section shape above emission threshold
In the light of the JEF(F) European project longstanding story according to the determination of the most exact shape of the 239Pu(n, 2n)238Pu reaction cross section and a recent measurement by Meot…
O. Bouland, V. Meot, O. RoigMar 9, 2022
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Longitudinal dynamics and particle production in relativistic nuclear collisions
This work presents a three-dimensional dynamical initialization model for relativistic heavy-ion collisions, implementing local energy-momentum conservation and baryon charge fluctuations at string…
Chun Shen, Björn SchenkeMar 9, 2022
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The impact of isospin dependence of pairing on fission barriers in the fission cycling regions
A systematic analysis of the ground state and fission properties of actinides and superheavy nuclei important for the r process modeling has been performed within the framework of covariant density…
A. V. Afanasjev, A. TaninahMar 9, 2022
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Model for independent particle motion
Independent particle model in nuclear physics assumes that the nucleon in the nucleus moves in the average (mean field) potential generated by all other nucleons. This chapter gives a short overview…
A. V. AfanasjevMar 9, 2022
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Status of deep subbarrier 12 C+12 C fusion and advancing the Trojan horse method
In this paper, I will update the current status of the carbon-carbon fusion research taking into account that after the latest analysis [Beck et al. Eur. Phys. J. A 56, 97 (2020), Letter…
A. M. MukhamedzhanovMar 8, 2022
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Norm operator method for boson expansions
We propose a new boson expansion theory that does not premise the closed-algebra approximation, indispensable for formulation until now, as an extension of the conventional practical boson expansion…
Kimikazu TaniguchiMar 8, 2022
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Seniority and (92)n configurations in neutron-rich Nickel isotopes
Excited states in low-energy spectra in 70-76Ni are considered. To this end, pairing forces in form of surface delta interaction are employed to account for formation of the ground state…
S. Sidorov, D. Zhulyaeva, T. TretyakovaMar 7, 2022
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Charge radii of Ca isotopes and correlations
We study the effects of short- and long-range correlations on the charge radii of Ca isotopes. We start our investigation with an independent particle model consisting in Hartree-Fock plus…
G. Co', M. Anguiano, A. M. LallenaMar 7, 2022
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The nuclear symmetry energy from relativistic Brueckner-Hartree-Fock model
The microscopic mechanisms of the symmetry energy in nuclear matter are investigated in the framework of the relativistic Brueckner-Hartree-Fock (RBHF) model with a high-precision realistic nuclear…
Chencan Wang, Jinniu Hu, Ying Zhang et al.Mar 7, 2022
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Theory of nuclear collective vibrations
We review the theory of nuclear collective vibrations evolved over decades from phenomenological quasiclassical picture to sophisticated microscopic approaches. The major focus is put on the…
Haozhao Liang, Elena LitvinovaMar 6, 2022
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Stochastic hydrodynamics and hydro-kinetics: Similarities and differences
The hydro-kinetic formalism has been used as a complementary approach to solving the Stochastic Differential Equations (SDE) corresponding to noisy hydrodynamics. The hydro-kinetic formalism consists…
Aritra De, Chun Shen, Joseph I. KapustaMar 4, 2022
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Gauge fields renormalization groups and thermofractals
The perturbative approach to QCD has been shown to be limited, and the difficulties to obtain accurate calculations in the low-energy region seems to be insurmountable. A recent approach uses the…
Airton Deppman, Eugenio Megias, Debora P. MenezesMar 4, 2022
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Solving Nuclear Structure Problems with the Adaptive Variational Quantum Algorithm
We use the Lipkin-Meshkov-Glick (LMG) model and the valence-space nuclear shell model to examine the likely performance of variational quantum eigensolvers in nuclear-structure theory. The LMG model…
A. M. Romero, J. Engel, Ho Lun Tang et al.Mar 3, 2022
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Overview of intermittency analysis in heavy-ion collisions
In this paper, a search for power-law fluctuations with fractality and intermittency analysis to explore the QCD phase diagram and the critical point is summarized. Experimental data on self-similar…
Zhiming LiMar 3, 2022
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Simulating excited states of the Lipkin model on a quantum computer
We simulate the excited states of the Lipkin model using the recently proposed Quantum Equation of Motion (qEOM) method. The qEOM generalizes the EOM on classical computers and gives access to…
Manqoba Q. Hlatshwayo, Yinu Zhang, Herlik Wibowo et al.Mar 3, 2022
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Nudged elastic band approach to nuclear fission pathways
The nuclear fission process is a dramatic example of the large-amplitude collective motion in which the nucleus undergoes a series of shape changes before splitting into distinct fragments. This…
Eric Flynn, Daniel Lay, Sylvester Agbemava et al.Mar 3, 2022
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Analyzing rotational bands in odd-mass nuclei using Effective Field Theory and Bayesian methods
We recently developed an Effective Field Theory (EFT) for rotational bands in odd-mass nuclei. Here we use EFT expressions to perform a Bayesian analysis of data on the rotational energy levels of…
I. K. Alnamlah, E. A. Coello Pérez, D. R. PhillipsMar 3, 2022
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Nuclear Structure with Discrete Non-Orthogonal Shell-Model : new frontiers
We present developments and applications for the diagonalization of shell-model hamiltonians in a discrete non-orthogonal basis (DNO-SM). The method, and its actual numerical implementation CARINA,…
D. D. Dao, Frédéric NowackiMar 2, 2022
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Analysis of Peierls-Yoccoz rotational energy of nuclei with semi-realistic interaction
The Peierls-Yoccoz (PY) rotational energy of nuclei has been analyzed by the angular-momentum projection (AMP) on the axial Hartree-Fock solutions, by using the semi-realistic effective Hamiltonian…
K. Abe, H. NakadaMar 2, 2022
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Shell-model calculation of 100Mo double-β decay
For the first time, the calculation of the nuclear matrix element of the double-β decay of 100Mo, with and without the emission of two neutrinos, is performed in the framework of the nuclear…
L. Coraggio, N. Itaco, G. De Gregorio et al.Mar 2, 2022
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Chiral symmetry restoration and the Δ matter formation in neutron stars
We analyze the effects of chiral symmetry restoration in hadronic matter, including the lowest-lying baryonic resonance Δ based on the parity doublet model. We study the role of Δ and its chiral…
Michał Marczenko, Krzysztof Redlich, Chihiro SasakiMar 1, 2022
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Transport coefficients of the quark-gluon plasma at the critical point and across the first-order line
A bottom-up Einstein-Maxwell-Dilaton holographic model is used to compute, for the first time, the behavior of several transport coefficients of the hot and baryon-rich strongly coupled quark-gluon…
Joaquin Grefa, Mauricio Hippert, Jorge Noronha et al.Feb 28, 2022
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The first large-scale shell-model calculation of the two-neutrino double beta decay of 76Ge to the excited states in 76Se
Large-scale shell-model calculations were carried out for the half-lives and branching ratios of the 2νββ decay of 76Ge to the ground state and the lowest three excited states 21+, 02+…
Joel Kostensalo, Jouni Suhonen, Kai ZuberFeb 28, 2022
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