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The excitation of the carbon $2^+$ state at 4.439 MeV by $70-150$ MeV electron impact and its subsequent decay to the ground state by photon emission is described within the distorted-wave Born approximation. The transition densities are…

Nuclear Theory · Physics 2020-07-15 D. H. Jakubassa-Amundsen , V. Yu. Ponomarev

In order to study non-zero spin excitations of the recently proposed alpha-cluster condensation in the self-conjugate 4n nuclei, spatial deformation is introduced into the model wave function of the alpha-cluster condensate. The rotational…

Nuclear Theory · Physics 2009-11-07 Yasuro Funaki , Hisashi Horiuchi , Akihiro Tohsaki , Peter Schuck , Gerd Röpke

The low-lying isovector dipole strengths in neutron rich nuclei $^{26}$Ne and $^{28}$Ne are investigated in the quasiparticle relativistic random phase approximation. Nuclear ground state properties are calculated in an extended…

Nuclear Theory · Physics 2009-02-18 Li-Gang Cao , Zhong-Yu Ma

Two new bands built on the two-quasiparticle $\pi(h_{11/2})^2$ configuration of the even-even nucleus $^{130}$Ba are investigated using constrained triaxial covariant density functional theory combined with quantum particle rotor model…

Nuclear Theory · Physics 2019-12-06 Q. B. Chen , S. Frauendorf , C. M. Petrache

A particle, which moves in a crystal, experiences weak interactions with electrons and nuclei alongside with electromagnetic interaction. Measuring the polarization vector and the angular distribution of charged and neutral particles…

High Energy Physics - Phenomenology · Physics 2019-05-17 V. G. Baryshevsky

We report the result of our calculation of the nuclear spin-independent parity violating electric dipole transition amplitude ($E1_{PV}$) for the $6s ~ ^2S_{1/2} - 7s ~ ^2S_{1/2}$ transition in $^{133}$Cs to an accuracy of 0.3\% using a…

High Energy Physics - Phenomenology · Physics 2020-09-01 B. K. Sahoo , B. P. Das

We study the excitation spectroscopy of few-electron, parallel coupled double quantum dots (QDs). By applying a finite source drain voltage to a double QD (DQD), the first excited states observed in nonequilibrium charging diagrams can be…

Mesoscale and Nanoscale Physics · Physics 2013-07-01 T. Hatano , Y. Tokura , S. Amaha , T. Kubo , S. Teraoka , S. Tarucha

The robust (spin and isospin zero) $\alpha$-particle remains one of the best projectiles to probe the nuclear isoscalar excitations. In the present work, a microscopic folding model analysis of the \ac inelastic scattering to the 2$^+$…

Nuclear Theory · Physics 2009-11-13 Dao T. Khoa

The recently observed two and four-quasiparticle high-spin rotational bands in the odd-odd nuclei $^{166, 168, 170, 172}$Re are investigated using the cranked shell model with pairing correlations treated by a particle-number conserving…

Nuclear Theory · Physics 2021-09-07 Zhen-Hua Zhang , Shuo-Yi Liu

We study in the cranked Nilsson plus random phase approximation low-lying quadrupole excitations of positive parity and negative signature in 156Dy and 162Yb at high spins. Special attention is paid to a consistent description of wobbling…

Nuclear Theory · Physics 2007-05-23 Jan Kvasil , Rashid G. Nazmitdinov

We have employed the relativistic coupled cluster theory to calculate the magnetic dipole and electric quadrupole hyperfine constants for the ground and low lying excited states of singly ionized magnesium. Comparison with experimental and…

Atomic Physics · Physics 2007-05-23 Chiranjib Sur , Bijaya K. Sahoo , Rajat K Chaudhuri , B. P. Das , D. Mukherjee

The electric quadrupole moment of the 33Al20 ground state, located at the border of the island of inversion, was obtained using continuous-beam beta-detected nuclear quadrupole resonance (beta-NQR). From the measured quadrupole coupling…

The magnetic susceptibility and electrical resistivity of n-type BaTi{1-x}Nb{x}O3 have been measured over a wide temperature range. It is found that, for 0 < x < 0.2, dopant electrons form immobile spin singlet small bipolarons with binding…

Strongly Correlated Electrons · Physics 2012-04-27 T. Kolodiazhnyi , S. C. Wimbush

We perform spin-resolved and spin-integrated angle-resolved photoemission spectroscopy measurements on a series of compositions in the BiTl(S1-xSex)2 system, focusing on x-values in the vicinity of the critical point for the topological…

Strongly Correlated Electrons · Physics 2012-05-01 Su-Yang Xu , M. Neupane , Chang Liu , S. Jia , L. A. Wray , G. Landolt , B. Slomski , J. H. Dil , N. Alidoust , S. Basak , H. Lin , J. Osterwalder , A. Bansil , R. J. Cava , M. Z. Hasan

A reinterpretation of the complete energy spectrum of the Oxygen-16 nucleus up to 20 MeV, and partly beyond, is proposed. The underlying intrinsic shape of the nucleus is tetrahedral, as in the na\"ive alpha-particle model and other cluster…

Nuclear Theory · Physics 2019-05-30 C. J. Halcrow , C. King , N. S. Manton

A recently implemented relativistic four-component configuration interaction approach to study ${\cal{P}}$- and ${\cal{T}}$-odd interaction constants in atoms and molecules is employed to determine the electron electric dipole moment…

Atomic Physics · Physics 2014-04-02 Timo Fleig , Malaya K. Nayak

A nuclear structure model based on linear response theory (i.e., Random Phase Approximation) and which includes pairing correlations and anharmonicities (coupling with collective vibrations), has been implemented in such a way that it can…

Nuclear Theory · Physics 2009-11-10 D. Sarchi , P. F. Bortignon , G. Colo`

Excited states in 13O were investigated using inelastic scattering of an E/A=69.5-MeV 13O beam off of a 9Be target. The excited states were identified in the invariant-mass spectra of the decay products. Both single proton and sequential…

The structures of two observed high-spin rotational bands in the doubly-odd nucleus ${}^{168}$Ta are investigated using the cranked shell model with pairing correlations treated by a particle-number conserving method, in which the blocking…

Nuclear Theory · Physics 2018-11-21 Zhen-Hua Zhang , Miao Huang

Large scale shell model calculations, with dimensions reaching 10**9, are carried out to describe the recently observed deformed (ND) and superdeformed (SD) bands based on the first and second excited 0+ states of 40-Ca at 3.35-MeV and…

Nuclear Theory · Physics 2014-11-18 E. Caurier , J. Menendez , F. Nowacki , A. Poves
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