activity
20032026
most citedRecent developments in no-core shell-model calculations

371 citations · 3.8k across the 71 of their papers we have counts for

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64 papers · 1 filter

nucl-th2026

Ab initio evidence for surface-dominated antiproton annihilation in

Alireza Dehghani, Guillaume Hupin, Sofia Quaglioni +1

Low-energy antiproton beams at CERN/AD open the possibility of probing exotic nuclear structure through annihilation at the nuclear surface. The use of antiprotons as the probe for…

nucl-th2026★ 2 cited

Halo Nuclei from Ab Initio Nuclear Theory

Petr Navratil, Sofia Quaglioni, Guillaume Hupin +2

A realistic description of halo nuclei, characterized by low-lying breakup thresholds, requires a proper treatment of continuum effects. We have developed an ab initio approach, th…

nucl-th2024

Tunable-fidelity wave functions for the \textit{ab initio} description of scattering and reactions

Konstantinos Kravvaris, Sofia Quaglioni, Petr Navratil

The no-core shell model (NCSM) is an \textit{ab initio} method that solves the nuclear many-body problem by expanding the many-particle wave function into a (typically) harmonic os…

nucl-th2023★ 8 cited

Ab initio investigation of the Li()Be process and the X17 boson

P. Gysbers, P. Navratil, K. Kravvaris +2

Observations of anomalies in the electron-positron angular correlations in high-energy decays in He, Be, and C have been reported recently by the ATOMKI collaboratio…

nucl-th2023★ 1 cited

Impact of the Li asymptotic normalization constant onto -induced reactions of astrophysical interest

Chloë Hebborn, Melina L. Avila, Konstantinos Kravvaris +2

Indirect methods have become the predominant approach in experimental nuclear astrophysics for studying several low-energy nuclear reactions occurring in stars, as direct measureme…

nucl-th2022

Ab initio investigations of A=8 nuclei: scattering, deformation in He, radiative capture of protons on Be and Li and the X17 boson

P. Navratil, K. Kravvaris, P. Gysbers +3

We apply the No-Core Shell Model with Continuum (NCSMC) that is capable of describing both bound and unbound states in light nuclei in a unified way with chiral two- and three-nucl…

nucl-th2022★ 4 cited

Quantifying uncertainties due to irreducible three-body forces in deuteron-nucleus reactions

Linda Hlophe, Konstantinos Kravvaris, Sofia Quaglioni

\noindent{\bf Background:} Deuteron-induced nuclear reactions are an essential tool for probing the structure of nuclei as well as astrophysical information such as cross s…

nucl-th2022★ 1 cited

Ab Initio Nuclear Reaction Theory with Applications to Astrophysics

Petr Navratil, Sofia Quaglioni

We present an introduction to ab initio nuclear theory with a focus on nuclear reactions. After a high-level overview of ab initio approaches in nuclear physics, we give a more det…

nucl-th2022

Ab initio calculation of the -decay from Be to a pBe resonance

M. C. Atkinson, P. Navrátil, G. Hupin +2

The exotic -delayed proton emission is calculated in Be from first principles using chiral two- and three-nucleon forces. To investigate the unexpectedly-large branching…

nucl-th2022★ 35 cited

Ab initio prediction of the big bang radiative capture

Chloë Hebborn, Guillaume Hupin, Konstantinos Kravvaris +3

The rate at which helium (He) and deuterium () fuse together to produce lithium-6 (Li) and a ray, HeLi, is a critical puzzle piece in resolving the roug…

nucl-th2022★ 22 cited

Ab initio informed evaluation of the radiative capture of protons on Be

Konstantinos Kravvaris, Petr Navrátil, Sofia Quaglioni +2

The radiative capture of protons by Be, which is the source of B that -decays emitting the majority of solar neutrinos measured on earth, has not yet been measured at as…

nucl-th2021★ 17 cited

Efficacy of the symmetry-adapted basis for ab initio nucleon-nucleus interactions for light- and intermediate-mass nuclei

Alexis Mercenne, Kristina D. Launey, Tomas Dytrych +4

We study the efficacy of a new ab initio framework that combines the symmetry-adapted (SA) no-core shell-model approach with the resonating group method (RGM) for unified descripti…

nucl-th2021★ 7 cited

Nuclear Resonances, Scattering and Reactions from First Principles: Progress and Prospects

Sofia Quaglioni, Petr Navratil

We present a brief overview of recent developments in ab initio calculations of nuclear scattering and reactions with a focus on applications of the no-core shell model with contin…

nucl-th2020★ 9 cited

Ab initio framework for nuclear scattering and reactions induced by light projectiles

Konstantinos Kravvaris, Sofia Quaglioni, Guillaume Hupin +1

A quantitative and predictive microscopic theoretical framework that can describe reactions induced by particles (He nuclei) and heavier projectiles is currently lacking. S…

nucl-th2020★ 21 cited

Microscopic investigation of the Li()Li reaction

Callum McCracken, Petr Navratil, Anna McCoy +2

The Li()Li reaction plays an important role in several astrophysics scenarios. It cannot be measured directly and indirect experiments have so far provided only cross…

nucl-th2020★ 87 cited

Coupled-cluster calculations of neutrinoless double-beta decay in Ca

S. J. Novario, P. Gysbers, J. Engel +6

We use coupled-cluster theory and nuclear interactions from chiral effective field theory to compute the nuclear matrix element for the neutrinoless double-beta decay of Ca.…

nucl-th2020★ 39 cited

Quantifying uncertainties in neutron-alpha scattering with chiral nucleon-nucleon and three-nucleon forces

Konstantinos Kravvaris, Kevin R. Quinlan, Sofia Quaglioni +2

Background: Modern ab initio theory combined with high-quality nucleon-nucleon (NN) and three-nucleon (3N) interactions from chiral effective field theory (EFT) can provide a predi…

nucl-th2019★ 42 cited

Be and Li nuclei within the no-core shell model with continuum

Matteo Vorabbi, Petr Navrátil, Sofia Quaglioni +1

The production of Be and Li nuclei plays an important role in primordial nucleosynthesis, nuclear astrophysics, and fusion energy generation. The $^3\mathrm{He}(α, γ) ^7\ma…

nucl-th2019★ 14 cited

Application of an ab-initio S-matrix to data analysis of transfer to the continuum reactions populating 11Be

A. Bonaccorso, F. Cappuzzello, D. Carbone +4

Recently, the bound and continuum spectrum of 11Be has been calculated within the ab-initio no-core shell model with continuum (NCSMC) method successfully reproducing the parity in…

nucl-th2019★ 352 cited

Discrepancy between experimental and theoretical -decay rates resolved from first principles

P. Gysbers, G. Hagen, J. D. Holt +8

-decay, a process that changes a neutron into a proton (and vice versa), is the dominant decay mode of atomic nuclei. This decay offers a unique window to physics beyond the sta…

nucl-th2018★ 77 cited

Ab initio predictions for polarized DT thermonuclear fusion

Guillaume Hupin, Sofia Quaglioni, Petr Navrátil

The fusion of deuterium (D) with tritium (T) is the most promising of the reactions that could power the thermonuclear reactors of the future. Already favored for its low activatio…

nucl-th2017★ 22 cited

Structure of the exotic He nucleus from the no-core shell model with continuum

Matteo Vorabbi, Angelo Calci, Petr Navratil +3

The exotic He nucleus, which presents one of the most extreme neutron-to-proton ratios, belongs to the isotonic chain famous for the phenomenon of ground-state parity inv…

nucl-th2017★ 34 cited

Three-cluster dynamics within the ab initio no-core shell model with continuum: How many-body correlations and -clustering shape He

Sofia Quaglioni, Carolina Romero-Redondo, Petr Navratil +1

We realize the treatment of bound and continuum nuclear systems in the proximity of a three-body breakup threshold within the ab initio framework of the no-core shell model with co…

nucl-th2017

Li(,)Li transfer reaction in the NCSM/RGM approach

F. Raimondi, G. Hupin, P. Navrátil +1

Recently, we applied an method, the no-core shell model combined with the resonating group method, to the transfer reactions with light p-shell nuclei as targets and…