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We investigate the coexistence of spherical, deformed and superdeformed states at low spin in S32, Ar36, Ar38 and Ca40. The microscopic states are constructed by configuration mixing of BCS states projected on good particle number and…

Nuclear Theory · Physics 2009-11-10 M. Bender , H. Flocard , P. -H. Heenen

We investigate the pre-equilibrium dipole response in the charge-asymmetric reaction $^{40}$Ca+$^{152}$Sm, of recent experimental interest, at several beam energies within the range $[5, 11]$ AMeV and different collision centralities. By…

Nuclear Theory · Physics 2025-01-10 Leonid Shvedov , Stefano Burrello , Maria Colonna , Hua Zheng

We extend the formalism of weak interaction processes, obtaining new expressions for the transition rates, which greatly facilitate numerical calculations, both for neutrino-nucleus reactions and muon capture. Explicit violation of CVC…

Nuclear Theory · Physics 2015-03-17 A. R. Samana , F. Krmpotic , N. Paar , C. A. Bertulani

A profound problem in modern condensed matter physics is discovering and understanding the nature of the fluctuations and their coupling to fermions in cuprates which lead to high temperature superconductivity and the invariably associated…

Strongly Correlated Electrons · Physics 2016-04-01 Jin Mo Bok , Jong Ju Bae , Han-Yong Choi , Chandra M. Varma , Wentao Zhang , Junfeng He , Yuxiao Zhang , Li Yu , X. J. Zhou

A characteristic feature of collective and particle-hole excitations in neutron-rich nuclei is that many of them couple to unbound neutron in continuum single-particle orbits. The continuum random phase approximation (cRPA) is a powerful…

Nuclear Theory · Physics 2021-09-15 Teruyuki Saito , Masayuki Matsuo

Coronal mass ejections (CMEs) are explosive plasma phenomena prevalently occurring on the Sun and probably on other magnetically active stars. However, how their pre-eruptive configuration evolves toward the main explosion remains elusive.…

Solar and Stellar Astrophysics · Physics 2023-08-28 X. Cheng , C. Xing , G. Aulanier , S. K. Solanki , H. Peter , M. D. Ding

Measuring nucleon-nucleon Short Range Correlations (SRC) has been a goal of the nuclear physics community for many years. They are an important part of the nuclear wavefunction, accounting for almost all of the high-momentum strength. They…

Nuclear Experiment · Physics 2013-05-30 H. Baghdasaryan , L. B. Weinstein , J. M. Laget , the CLAS Collaboration

We developed the quasi-particle random phase approximation (QRPA) for the neutrino scattering off even-even nuclei via neutral current (NC) and charged cur- rent (CC). The QRPA has been successfully applied for the \beta and \beta\beta…

High Energy Astrophysical Phenomena · Physics 2015-05-20 Myung-Ki Cheoun , Eunja Ha , K. S. Kim , Toshitaka Kajino

The Regge-pole calculated low-energy electron elastic total cross sections (TCSs) for Cm and No, characterized generally by negative-ion formation, shape resonances and Ramsauer-Townsend(R-T) minima, exhibit atomic and fullerene molecular…

Atomic Physics · Physics 2019-10-01 Alfred Z. Msezane , Zineb Felfli

In order to produce intrinsic rotation, bulk plasmas must be collectively accelerated by the net force exerted on them, which results from both driving and damping forces. So, to study the possible mechanisms of intrinsic rotation…

A low-energy magnetic dipole $(M1)$ spin-scissors resonance (SSR) located just below the ordinary orbital scissors resonance (OSR) was recently predicted in deformed nuclei within the Wigner Function Moments (WFM) approach. We analyze this…

Nuclear Theory · Physics 2021-07-05 V. O. Nesterenko , P. I. Vishnevskiy , J. Kvasil , A. Repko , W. Kleinig

We investigate the electromagnetic properties of the axial-vector molecular states $D^* K$, $DK^*$, $B^* K$, and $BK^*$, which are used to model the charmed states $D_{s1}^{+}(2460)$, $D_{s1}^{+}(2536)$, and their bottom partners with…

High Energy Physics - Phenomenology · Physics 2025-11-20 U. Özdem

The multipole vortical, toroidal, and compression modes are analyzed. Following the vorticity concept of Ravenhall and Wambach, the vortical operator is derived and related in a simple way to the toroidal and compression operators. The…

Nuclear Theory · Physics 2014-02-04 J. Kvasil , V. O. Nesterenko , W. Kleinig , P. -G. Reinhard , P. Vesely

The nuclear collective response at finite temperature is investigated for the first time in the quantum framework of the small amplitude limit of the extended TDHF approach, including a non-Markovian collision term. It is shown that the…

Nuclear Theory · Physics 2008-11-26 Denis Lacroix , Philippe Chomaz , Sakir Ayik

Quadrupole collectivity of the lowest-lying states, focusing on $E_x(2^+_1)$ and $B(E2;0^+_1\to 2^+_1)$, have been investigated for the $N=50-82$ Sn nuclei by applying the self-consistent approaches with the semi-realistic interaction…

Nuclear Theory · Physics 2023-10-16 Y. Omura , H. Nakada , K. Abe , M. Takahashi

Due to their focalizing properties, elliptic quantum corrals present very interesting physical behaviors. In this work, we analyze static and dynamical properties of these systems. Results are presented for realistic values of the…

Strongly Correlated Electrons · Physics 2009-11-13 M. Nizama , K. Hallberg , J. d'Albuquerque e Castro

We analyze the relation between isoscalar toroidal modes and so-called pygmy dipole resonance (PDR) which both appear in the same region of low-energy dipole excitations. To this end, we use a theoretical description within the fully…

Nuclear Theory · Physics 2020-01-08 A. Repko , V. O. Nesterenko , J. Kvasil , P. -G. Reinhard

Two microscopic models, UrQMD and QGSM, were employed to study the formation of locally equilibrated hot and dense nuclear matter in heavy-ion collisions at energies from 11.6 AGeV to 160 AGeV. Analysis was performed for the fixed central…

High Energy Physics - Phenomenology · Physics 2008-11-26 L. Bravina , I. Arsene , J. Bleibel , M. Bleicher , G. Burau , Amand Faessler , C. Fuchs , M. S. Nilsson , H. Stoecker , K. Tywoniuk , E. Zabrodin

Collective nuclear excitations, like giant resonances, are sensitive to nuclear deformation, as evidenced by alterations in their excitation energies and transition strength distributions. A common theoretical framework to study these…

Nuclear Theory · Physics 2024-04-23 A. Ravlić , T. Nikšić , Y. F. Niu , P. Ring , N. Paar

Strongly deformed oblate superheavy nuclei form an intriguing region where the toroidal nuclear structures may bifurcate from the oblate spheroidal shape. The bifurcation may be facilitated when the nucleus is endowed with a large angular…

Nuclear Theory · Physics 2017-05-31 A. Staszczak , Cheuk-Yin Wong , A. Kosior