45 citations · 246 across the 22 of their papers we have counts for
22 papers
Measurement of the Tc spectrum with Silicon Drift Detectors
Andrea Nava, Andrea Del Contrasto, Leonardo Bernardini +15
The need for reliable calculations of Nuclear Matrix Elements is compelling for the next generation of neutrinoless double-beta decay experiments. This requires nuclear models to b…
Impact of tensor-rank components of chiral three-nucleon forces on the single-particle structure of calcium isotopes
Tokuro Fukui, Giovanni De Gregorio, Angela Gargano +2
Background: Chiral three-nucleon forces (3NFs) play a key role in the microscopic description of nuclear shell evolution. A recent work introduced an irreducible tensor decompositi…
Solution of the Equation-of-Motion Phonon Method eigenvalue problems on the D-Wave quantum annealer
C. De Lucia, A. Martone, F. A. D'Aniello +7
The solution of large-scale eigenvalue problems is crucial in nuclear many-body theory, where Hamiltonian matrices often reach extremely large dimensions. Quantum computing opens n…
The renormalization of the shell-model neutrinoless double-beta decay operator starting from effective field theory at leading order
L. Coraggio, G. De Gregorio, S. L. Lyu +1
In this work, we approach for the first time the task to perform a shell-model calculation of the matrix element for the neutrinoless double-beta decay, within a fully-consistent f…
Energy Calibration and Performance of HPGe Detectors in the LEGEND-200 Experiment
The LEGEND Collaboration, H. Acharya, M. Agostini +259
This paper describes the energy scale procedures and germanium detectors performance in the LEGEND-200 experiment, a critical component for the first unblinding in the search for n…
First direct measurement of the 64.5 keV resonance strength in O(p,)F reaction
R. M. Gesuè, G. F. Ciani, D. Piatti +50
The CNO cycle is one of the most important nuclear energy sources in stars. At temperatures of hydrostatic H-burning (20 MK T 80 MK) the O(p,)F reaction ra…
Measurement of the C spectrum with Silicon Drift Detectors: towards the study of forbidden transitions
Andrea Nava, Leonardo Bernardini, Matteo Biassoni +8
The ASPECT-BET (An sdd-SPECTrometer for BETa decay studies) project aims to develop a novel technique for the precise measurement of forbidden spectra in the 10 keV - 1 MeV ran…
Simultaneous impacts of nuclear shell structure and collectivity on decay: Evidence from Ga
R. Li, D. Verney, G. De Gregorio +32
The Gamow-Teller strength distribution covering the entire -decay window, up to 10.312(4) MeV, of Ga was measured for the first time in photo fission of UC induced…
Uncovering the mechanism of chiral three-nucleon force in driving spin-orbit splitting
Tokuro Fukui, Giovanni De Gregorio, Angela Gargano
The three-nucleon force (3NF) is crucial in shaping the shell structure of atomic nuclei, particularly impacting the enhancement of spin-orbit (SO) splitting, especially in nuclei…
Study of forbidden decays within the realistic shell model
G. De Gregorio, R. Mancino, L. Coraggio +1
For the first time, half-lives and energy spectra of forbidden decays are calculated within the realistic shell model. Namely, we approach this issue starting from a realistic…
One-neutron transfer reaction in the O + Ti collision at 275 MeV
O. Sgouros, M. Cutuli, F. Cappuzzello +29
The present article reports new data on the Ti(O,O)Ti reaction at 275 MeV incident energy as part of the systematic research pursued within the NUMEN pr…
The renormalization of the shell-model GT operator starting from effective field theory for nuclear systems
L. Coraggio, N. Itaco, G. De Gregorio +5
For the first time, we approach in this work the problem of the renormalization of the Gamow-Teller decay operator for nuclear shell-model calculations by way of many-body perturba…
The role of three-nucleon potentials within the shell model: past and present
L. Coraggio, G. De Gregorio, T. Fukui +4
We survey the impact of nuclear three-body forces on structure properties of nuclei within the shell model. It has long been acknowledged, since the seminal works of Zuker and cowo…
Self-consistent many-body approach to the electroproduction of hypernuclei
P. Bydžovský, D. Denisova, D. Petrellis +5
The electroproduction of selected - and -shell hypernuclei was studied within a many-body approach using realistic interactions between the constituent baryons. The cross se…
Comparative analysis of formalisms and performances of three different beyond mean-field approaches
František Knapp, Panagiota Papakonstantinou, Petr Veselý +3
We investigate the differences and analogies between the equation of motion phonon method (EMPM) and second Tamm-Dancoff and random-phase approximations (STDA and SRPA) paying spec…
Analysis of one-neutron transfer reaction in O + Se collision at 275 MeV
I. Ciraldo, F. Cappuzzello, M. Cavallaro +45
Purpose: We want to analyze transitions to low-lying excited states of the residual and ejectile nuclei in the 76Se(18O, 17O) 77Se one-neutron stripping reaction at 275-MeV inciden…
Shell-model calculation of Mo double- decay
L. Coraggio, N. Itaco, G. De Gregorio +3
For the first time, the calculation of the nuclear matrix element of the double- decay of Mo, with and without the emission of two neutrinos, is performed in the framewo…
Study of one-proton transfer reaction for the O + Ti system at 275 MeV
O. Sgouros, M. Cavallaro, F. Cappuzzello +38
Single-nucleon transfer reactions are processes that selectively probe single-particle components of the populated many-body nuclear states. In this context, recent efforts have be…
Microscopic multiphonon approach to nuclei with a valence hole in the oxygen region
Giovanni De Gregorio, Frantisek Knapp, Nicola Lo Iudice +1
An equation of motion phonon method, developed for even nuclei and recently extended to odd systems with a valence particle, is formulated in the hole-phonon coupling scheme and ap…
Effect of a realistic three-body force on the spectra of medium-mass hypernuclei
Petr Vesely, Giovanni De Gregorio, Jan Pokorny
We adopt the Hartree-Fock (HF) method in the proton-neutron- (p-n-) formalism and the nucleon- Tamm-Dancoff Approximation (N TDA) to study the energy spectra of medium-…
Dipole response in 208Pb within a self-consistent multiphonon approach
F. Knapp, N. Lo Iudice, P. Vesely +3
Background: The electric dipole strength detected around the particle threshold and commonly associated to the pygmy dipole resonance offers a unique information on neutron skin an…
A self-consistent study of multipole response in neutron-rich nuclei using a modified realistic potential
D. Bianco, F. Knapp, N. Lo Iudice +4
The multipole response of neutron rich O and Sn isotopes is computed in Tamm-Dancoff and random-phase approximations using the canonical Hartree-Fock-Bogoliubov quasi-particle basi…