N. Auerbach
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View article: Pairing Strength and Quadrupole-Soft Tin Isotopes
Pairing Strength and Quadrupole-Soft Tin Isotopes Open
Background: Understanding the experimental $B(E2)$ values for Sn isotopes around $^{110}$Sn has been a significant challenge in nuclear structure studies for over a decade. Both experimental data and many, though not all, calculations sugg…
View article: Excitation of giant resonances in pion charge-exchange reactions
Excitation of giant resonances in pion charge-exchange reactions Open
The theory for excitation of electric giant isovector resonances in pion charge-exchange reactions is discussed. A comparison between the theoretical and the recent experimental results is made. 18 references.
View article: Landscape of nuclear deformation softness with spherical quasiparticle random-phase approximation
Landscape of nuclear deformation softness with spherical quasiparticle random-phase approximation Open
We investigate the stability and softness of nuclei against quadrupole, octupole, and hexadecapole deformation. By applying the spherical Skyrme-force Hartree-Fock Bardeen-Cooper-Schrieffer quasiparticle random phase approximation, we diag…
View article: Landscape of nuclear deformation softness with spherical quasi-particle random phase approximation
Landscape of nuclear deformation softness with spherical quasi-particle random phase approximation Open
We investigate the stability and softness of nuclei against quadrupole, octupole, and hexadecapole deformation. By applying the spherical Skyrme-force Hartree-Fock Bardeen-Cooper-Schrieffer quasi-particle random phase approximation, we dia…
View article: Origin of octupole deformation softness in atomic nuclei
Origin of octupole deformation softness in atomic nuclei Open
Recent high-energy heavy ion collision experiments have revealed that some atomic nuclei exhibit unusual softness and significant shape fluctuations. In this work, we use the fully self-consistent mean-field theory to identify all even-eve…
View article: Single-particle properties of the near-threshold proton-emitting resonance in $^{11}$B
Single-particle properties of the near-threshold proton-emitting resonance in $^{11}$B Open
The excitation function of proton elastic scattering from $^{10}$Be at keV energy is calculated using the self-consistent Skyrme Hartree-Fock in the continuum method. The calculation successfully reproduces the narrow near-threshold proton…
View article: White paper: From bound states to the continuum
White paper: From bound states to the continuum Open
This white paper reports on the discussions of the 2018 Facility for Rare Isotope Beams Theory Alliance (FRIB-TA) topical program ‘From bound states to the continuum: Connecting bound state calculations with scattering and reaction theory’…
View article: From bound states to the continuum
From bound states to the continuum Open
This white paper reports on the discussions of the 2018 Facility for Rare Isotope Beams Theory Alliance (FRIB-TA) topical program "From bound states to the continuum: Connecting bound state calculations with scattering and reaction theory"…
View article: Isospin mixing and Coulomb mixing in ground states of even-even nuclei
Isospin mixing and Coulomb mixing in ground states of even-even nuclei Open
In this work, the Coulomb mixing and the isospin mixing in the ground states\nof even-even nuclei are evaluated in perturbation theory. The calculation of\nthe isospin mixing is performed by using the connection to isovector monopole\nreso…
View article: The NUMEN Project @ LNS: Status and perspectives
The NUMEN Project @ LNS: Status and perspectives Open
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View article: Nucleon internal degrees of freedom and the uniqueness of the Gamow-Teller state
Nucleon internal degrees of freedom and the uniqueness of the Gamow-Teller state Open
The Gamow-Teller strength in nuclei can be strongly affected by the internal degrees of freedom of the nucleon. It is demonstrated that this feature is unique to the Gamow-Teller. Excitation modes that involve spatial degrees of freedom ar…
View article: Nuclear structure features of Gamow-Teller excitations
Nuclear structure features of Gamow-Teller excitations Open
It is widely accepted that nuclear Gamow-Teller transitions are quenched;\nshell-model calculations also showed a clear anticorrelation between the\nGamow-Teller strength and the transition rate of the collective quadrupole\nexcitation fro…
View article: Single-charge-exchange reactions and the neutron density at the surface of the nucleus
Single-charge-exchange reactions and the neutron density at the surface of the nucleus Open
In this work we study the charge-exchange reaction to Isobaric Analog State using two types of transition densities. We show that for projectiles that do not probe the interior of the nucleus but mostly the surface of this nucleus, distinc…
View article: The curious case of tantalum 180
The curious case of tantalum 180 Open
We discuss the physics of the rarest natural isotope 180Ta that has a lifetime of its isomeric state (77 keV) more than 1016 years due to the very large difference of quantum numbers with respect to the ground state. The mechanism of its e…
View article: Electric Dipole States and Time Reversal Violation in Nuclei.
Electric Dipole States and Time Reversal Violation in Nuclei. Open
The nuclear Schiff moment is essential in the mechanism that induces a parity and time reversal violation in the atom. In this presentation we explore theoretically the properties and systematics of the isoscalar dipole in nuclei with the …