708 citations · 2.7k across the 36 of their papers we have counts for
36 papers
Forbidden electron capture on Na and Al in degenerate oxygen-neon cores
D. F. Strömberg, G. Martínez-Pinedo, F. Nowacki
Stars with an initial mass of -11 solar masses form degenerate oxygen-neon cores following carbon burning. Electron captures in such cores can trigger runaway oxygen burnin…
Medium modifications for light and heavy nuclear clusters in simulations of core collapse supernovae -- Impact on equation of state and weak interactions
Tobias Fischer, Stefan Typel, Gerd Röpke +2
The present article investigates the role of heavy nuclear clusters and weakly bound light nuclear clusters based on a newly developed equation of state for core collapse supernova…
Muonization of supernova matter
Tobias Fischer, Gang Guo, Gabriel Martínez-Pinedo +2
The present article investigates the impact of muons on core-collapse supernovae, with particular focus on the early muon neutrino emission. While the presence of muons is well und…
Charged-Current Muonic Reactions in Core-Collapse Supernovae
Gang Guo, Gabriel Martínez-Pinedo, Andreas Lohs +1
The steady advance in core-collapse supernova simulations requires a more precise description of neutrino processes in hot and dense matter. In this work, we study the rates of cha…
Core-collapse Supernova Explosions Driven by the Hadron-quark Phase Transition as a Rare -process Site
Tobias Fischer, Meng-Ru Wu, Benjamin Wehmeyer +3
Supernova explosions of massive stars are one of the primary sites for the production of the elements in the universe. Up to now, stars with zero-age main-sequence masses in the ra…
A Survey of Nuclear Pasta in the Intermediate Density Regime: Structure Functions for Neutrino Scattering
B. Schuetrumpf, G. Martínez-Pinedo, P. -G. Reinhard
Background: Nuclear pasta matter, emerging due to the competition between the long-range Coulomb force and the short-range strong force, is believed to be present in astrophysical…
Chiral effective field theory description of neutrino nucleon-nucleon Bremsstrahlung in supernova matter
Gang Guo, Gabriel Martínez-Pinedo
We revisit the rates of neutrino pair emission and absorption from nucleon-nucleon bremsstrahlung in supernova matter using the -matrix formalism in the long-wavelength limit. B…
Finding the remnants of the Milky Way's last neutron star mergers
Meng-Ru Wu, Projjwal Banerjee, Brian D. Metzger +6
The discovery of a binary neutron star merger (NSM) through both its gravitational wave and electromagnetic emission has revealed these events to be key sites of r-process nucleosy…
Fission and the r-process nucleosynthesis of translead nuclei in neutron star mergers
Samuel A. Giuliani, Gabriel Martínez-Pinedo, Meng-Ru Wu +1
We study the impact of fission on the production and destruction of translead nuclei during the r-process nucleosynthesis occurring in neutron-star mergers. Abundance patterns and…
Self-consistent calculation of the reactor antineutrino spectra including forbidden transitions
J. Petković, T. Marketin, G. Martínez-Pinedo +1
With the goal of determining the neutrino oscillation mixing angle, the measurements of reactor antineutrino fluxes at the Double Chooz, RENO and Daya Bay experimental fac…
Origin of the Heaviest Elements: the Rapid Neutron-Capture Process
John J. Cowan, Christopher Sneden, James E. Lawler +5
The production of about half of the heavy elements found in nature is assigned to a specific astrophysical nucleosynthesis process: the rapid neutron capture process (r-process). A…
Mass Measurements of Neutron-Rich Gallium Isotopes Refine Production of Nuclei of the First r-Process Abundance Peak in Neutron Star Merger Calculations
M. P. Reiter, S. Ayet San Andrés, S. Nikas +33
We report mass measurements of neutron-rich Ga isotopes Ga with TRIUMF's Ion Trap for Atomic and Nuclear science (TITAN). The measurements determine the masses of $^{80-8…
Skyrme-RPA study of charged-current neutrino opacity in hot and dense supernova matter
Alan A. Dzhioev, Gabriel Martínez-Pinedo
Neutrino emission and their transport of energy to the supernova shock region are sensitive to the physics of hot and dense nuclear matter, which is a complex problem due to the st…
Mass Measurements of Neutron-Deficient Y, Zr, and Nb Isotopes and Their Impact on and Nucleosynthesis Processes
Y. M. Xing, K. A. Li, Y. H. Zhang +48
Using isochronous mass spectrometry at the experimental storage ring CSRe in Lanzhou, the masses of Zr and Nb were measured for the first time with an uncertainty of…
Neutrino signal from proto-neutron star evolution: Effects of opacities from charged-current-neutrino interactions and inverse neutron decay
Tobias Fischer, Gang Guo, Alan A. Dzhioev +4
We investigate the impact of charged current neutrino processes on the formation and evolution of neutrino spectra during the deleptonization of proto-neutron stars. To this end we…
Impact of Neutrino Opacities on Core-Collapse Supernova Simulations
Kei Kotake, Tomoya Takiwaki, Tobias Fischer +2
Accurate description of neutrino opacities is central both to the core-collapse supernova (CCSN) phenomenon and to the validity of the explosion mechanism itself. In this work, we…
Production of the entire range of r-process nuclides by black hole accretion disc outflows from neutron star mergers
Meng-Ru Wu, Rodrigo Fernández, Gabriel Martínez-Pinedo +1
We consider -process nucleosynthesis in outflows from black hole accretion discs formed in double neutron star and neutron star -- black hole mergers. These outflows, powered by…
Systematic study of infrared energy corrections in truncated oscillator spaces
Alexander Arzhanov, Tomás R. Rodríguez, Gabriel Martínez-Pinedo
We study the convergence properties of nuclear binding energies and two-neutron separation energies obtained with self-consistent mean-field calculations based on the Hartree-Fock-…
Radioactivity and thermalization in the ejecta of compact object mergers and their impact on kilonova light curves
Jennifer Barnes, Daniel Kasen, Meng-Ru Wu +1
One of the most promising electromagnetic signatures of compact object mergers are kilonovae: approximately isotropic radioactively-powered transients that peak days to weeks post-…
Testing the importance of collective correlations in neutrinoless decay
J. Menéndez, N. Hinohara, J. Engel +2
We investigate the extent to which theories of collective motion can capture the physics that determines the nuclear matrix elements governing neutrinoless double-beta decay. To th…
On the nuclear robustness of the r process in neutron-star mergers
Joel de Jesús Mendoza-Temis, Meng-Ru Wu, Karlheinz Langanke +3
We have performed r-process calculations for matter ejected dynamically in neutron star mergers based on a complete set of trajectories from a three-dimensional relativistic smooth…
Toward global beyond-mean-field calculations of nuclear masses and low-energy spectra
Tomás R. Rodríguez, Alexander Arzhanov, Gabriel Martínez-Pinedo
Self-consistent mean field (MF) and beyond-mean-field (BMF) calculations of masses, separation energies and excitation energies of even-even nuclei where experimental d…
Correlations and neutrinoless decay nuclear matrix elements of -shell nuclei
Javier Menéndez, Tomas R. Rodríguez, Gabriel Martínez-Pinedo +1
We calculate the nuclear matrix elements (NMEs) for neutrinoless double-beta decays () of -shell nuclei using the shell model (SM) and energy density functional (EDF) met…
Impact of active-sterile neutrino mixing on supernova explosion and nucleosynthesis
Meng-Ru Wu, Tobias Fischer, Lutz Huther +2
We show that for the active-sterile flavor mixing parameters suggested by the reactor neutrino anomaly, substantial \ν_e-\ν_s and \bar \ν_e-\bar \ν_s conversion occurs in regions w…