482 citations · 828 across the 19 of their papers we have counts for
21 papers
The MARTINI platform II. Tracing r-process nucleosynthesis in neutron star mergers with long-lived remnants
Eleonora Loffredo, Diego Vescovi, Albino Perego +2
Binary neutron star (BNS) mergers are among the primary sites of the rapid neutron-capture (r-)process. In mergers with long-lived remnants, sustained neutrino irradiation raises t…
A Hybrid Neural Network Emulator for M1 Neutrino Reaction Rates in Binary Neutron Star Merger Simulations
Yi Qiu, David Radice, Raffaele Ferrari +1
We present a neural network emulator for the bns_nurates library, which computes neutrino reaction rates used in binary neutron star merger simulations. Following a hybrid strategy…
Binary Neutron Star Merger Simulations with Microphysical Equation of State using Spritz
Fatemeh Hossein Nouri, Jay V. Kalinani, Bruno Giacomazzo +2
We present the first binary neutron star merger simulations performed with the general-relativistic magnetohydrodynamics (GRMHD) Spritz code employing a finite-temperature tabulate…
Multipolar Neutrino Radiation in Binary Neutron Star Mergers: Angular Structure, Rotational Variability, and Implications for Electron Fraction
Kutay Arınç Çokluk, Albino Perego, Federico Maria Guercilena +1
The angular structure and temporal variability of neutrino emission from binary neutron star mergers are characterized using fully general-relativistic simulations with energy-inte…
Exploring Composition Mixing in Kilonova Ejecta with Ray-by-ray Simulations
Ruocheng Zhai, David Radice, Fabio Magistrelli +2
Binary neutron star merger (BNSM) ejecta are considered a primary repository of -process nucleosynthesis and a source of the observed heavy-element abundances. We implement comp…
Impact of in situ nuclear networks and atomic opacities on neutron star merger ejecta dynamics, nucleosynthesis, and kilonovae
Fabio Magistrelli, Sebastiano Bernuzzi, Albino Perego +2
Modeling binary neutron star merger (BNSM) ejecta evolution requires simulations involving hydrodynamics, nuclear reactions, and radiative processes. The impact of nuclear burning…
Impact of Neutrino Flavor Conversions on Neutron Star Merger Dynamics, Ejecta, Nucleosynthesis, and Multi-Messenger Signals
Yi Qiu, David Radice, Sherwood Richers +3
We present numerical relativity simulations of binary neutron star mergers incorporating neutrino flavor transformations triggered by fast flavor instability, quantum many-body eff…
Remnant properties of binary neutron star mergers undergoing prompt collapse
Arnab Dhani, Alessandro Camilletti, David Radice +4
We study the properties of remnants formed in prompt-collapse binary neutron star mergers. We consider non-spinning binaries over a range of total masses and mass ratios across a s…
Direct Measurement of the Accretion Disk Formed in Prompt Collapse Mergers with Future Gravitational-Wave Observatories
Arnab Dhani, Alessandro Camilletti, Alessio Ludovico De Santis +6
The production site of heavy r-process elements, such as Gold and Uranium, is uncertain. Neutron star mergers are the only astrophysical phenomenon in which we have witnessed their…
Ni production in long-lived binary neutron star merger remnants
Maximilian Jacobi, Fabio Magistrelli, Eleonora Loffredo +5
We investigate the nucleosynthesis and kilonova emission based on numerical-relativity binary neutron star merger simulations that incorporate a two-moment neutrino-transport schem…
The Science of the Einstein Telescope
Adrian Abac, Raul Abramo, Simone Albanesi +485
Einstein Telescope (ET) is the European project for a gravitational-wave (GW) observatory of third-generation. In this paper we present a comprehensive discussion of its science ob…
Open-source library for performance-portable neutrino reaction rates: Application to neutron star mergers
Leonardo Chiesa, Maitraya Bhattacharyya, Filippo Mazzini +3
A realistic and detailed description of neutrinos in binary neutron star (BNS) mergers is essential to build reliable models of such systems. To this end, we present BNS_NURATES, a…
Long-lived neutron-star remnants from asymmetric binary neutron star mergers: element formation, kilonova signals and gravitational waves
Sebastiano Bernuzzi, Fabio Magistrelli, Maximilian Jacobi +3
We present 3D general-relativistic neutrino-radiation hydrodynamics simulations of two asymmetric binary neutron star mergers producing long-lived neutron stars remnants and spanni…
Element formation in radiation-hydrodynamics simulations of kilonovae
Fabio Magistrelli, Sebastiano Bernuzzi, Albino Perego +1
Understanding the details of -process nucleosynthesis in binary neutron star mergers (BNSM) ejecta is key to interpreting kilonova observations and identifying the role of BNSMs…
Geometric and thermodynamic characterization of binary neutron star accretion discs
Alessandro Camilletti, Albino Perego, Federico Maria Guercilena +2
Accretion disks formed in binary neutron star mergers play a central role in many astrophysical processes of interest, including the launching of relativistic jets or the ejection…
Bayesian inference of multimessenger astrophysical data: Joint and coherent inference of gravitational waves and kilonovae
Matteo Breschi, Rossella Gamba, Gregorio Carullo +4
We present a Bayesian framework for joint and coherent analyses of multimessenger binary neutron star signals. The method, implemented in our bajes infrastructure, incorporates a j…
Did a Kilonova Set Off in Our Galactic Backyard 3.5 Myr ago?
Leonardo Chiesa, Albino Perego, Federico Maria Guercilena
The recent detection of the live isotopes and in deep ocean sediments dating back to the past 3-4 Myr poses a serious challenge to the identificati…
Light-curve models of black hole - neutron star mergers: steps towards a multi-messenger parameter estimation
C. Barbieri, O. S. Salafia, A. Perego +2
In the new era of gravitational wave (GW) and multi-messenger astrophysics, the detection of a GW signal from the coalescence of a black hole - neutron star (BHNS) binary remains a…
Neutrino-driven winds from neutron star merger remnants
Albino Perego, Stephan Rosswog, Ruben Cabezon +4
We present a detailed, 3D hydrodynamics study of the neutrino-driven winds that emerge from the remnant of a NS merger. Our simulations are performed with the Newtonian, Eulerian c…
A path to radio-loudness through gas-poor galaxy mergers and the role of retrograde accretion
M. Dotti, M. Colpi, L. Maraschi +2
In this proceeding we explore a pathway to radio-loudness under the hypothesis that retrograde accretion onto giant spinning black holes leads to the launch of powerful jets, as se…
Mass and spin coevolution during the alignment of a black hole in a warped accretion disc
A. Perego, M. Dotti, M. Colpi +1
In this paper, we explore the gravitomagnetic interaction of a black hole (BH) with a misaligned accretion disc to study BH spin precession and alignment jointly with BH mass and s…