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Exploring quark mass dependent three-nucleon forces in medium-mass nuclei
Urban Vernik, Kai Hebeler, Achim Schwenk
Recently, new quark mass dependent three-nucleon (3N) forces have been identified, whose contributions in nuclear matter exceed expectations of Weinberg power-counting arguments. I…
Neutron star crust and outer core equation of state from chiral effective field theory with quantified uncertainties
H. Göttling, L. Hoff, K. Hebeler +1
We study the order-by-order expansion of the energy per particle of asymmetric nuclear matter up to twice saturation density in chiral effective field theory (EFT) within a Bayesia…
Equation-of-state-informed pulse profile modeling
Mariska Hoogkamer, Nathan Rutherford, Daniela Huppenkothen +9
NICER has enabled mass-radius inferences for pulsars using pulse profile modeling (PPM), providing constraints on the equation of state (EOS) of cold, dense matter. To date, PPM an…
Quantum Monte Carlo Calculations of Light Nuclei with Fully Propagated Theoretical Uncertainties
Ryan Curry, Kai Hebeler, Stefano Gandolfi +4
We report on the first quantum Monte Carlo calculations of helium isotopes with fully propagated theoretical uncertainties from the interaction to the many-body observables. To ach…
Hartree-Fock emulators for nuclei: Application to charge radii of Ca
Margarida Companys Franzke, Alexander Tichai, Kai Hebeler +1
Understanding the emergence of complex structures of nuclei from chiral effective field theory (EFT) is a central challenge. The large number of low-energy couplings (LECs) in the…
Bayesian approach for many-body uncertainties in nuclear structure: Many-body perturbation theory for finite nuclei
Isak Svensson, Alexander Tichai, Kai Hebeler +1
A comprehensive assessment of theoretical uncertainties defines an important frontier in nuclear structure research. Ideally, theory predictions include uncertainty estimates that…