Signatures of hypermassive neutron star lifetimes on r-process nucleosynthesis in the disc ejecta from neutron star mergers

Lippuner, Jonas; Fernández, Rodrigo; Roberts, Luke F.; Foucart, Francois; Kasen, Daniel; Metzger, Brian D.; Ott, Christian D.

doi:10.1093/mnras/stx1987

Title: Signatures of hypermassive neutron star lifetimes on r-process nucleosynthesis in the disc ejecta from neutron star mergers

Abstract

We investigate the nucleosynthesis of heavy elements in the winds ejected by accretion discs formed in neutron star mergers. We compute the element formation in disc outflows from hypermassive neutron star (HMNS) remnants of variable lifetime, including the effect of angular momentum transport in the disc evolution. We employ long-term axisymmetric hydrodynamic disc simulations to model the ejecta, and compute r-process nucleosynthesis with tracer particles using a nuclear reaction network containing ~8000 species. We find that the previously known strong correlation between HMNS lifetime, ejected mass and average electron fraction in the outflow is directly related to the amount of neutrino irradiation on the disc, which dominates mass ejection at early times in the form of a neutrino-driven wind. Production of lanthanides and actinides saturates at short HMNS lifetimes (≲10 ms), with additional ejecta contributing to a blue optical kilonova component for longer-lived HMNSs. We find good agreement between the abundances from the disc outflow alone and the solar r-process distribution only for short HMNS lifetimes (≲10 ms). For longer lifetimes, the rare-earth and third r-process peaks are significantly underproduced compared to the solar pattern, requiring additional contributions from the dynamical ejecta. The nucleosynthesis signature from a spinning black holemore »« less

Authors:

Lippuner, Jonas ^[1]; Fernández, Rodrigo ^[2]; Roberts, Luke F. ^[3]; Foucart, Francois ^[4]; Kasen, Daniel ^[5]; Metzger, Brian D. ^[4]; Ott, Christian D. ^[6]

California Inst. of Technology (CalTech), Pasadena, CA (United States)
Univ. of Alberta, Edmonton, AB (Canada); Univ. of California, Berkeley, CA (United States)
Michigan State Univ., East Lansing, MI (United States)
Columbia Univ., New York, NY (United States). Columbia Astrophysics Lab.
Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
California Inst. of Technology (CalTech), Pasadena, CA (United States); Kyoto Univ. (Japan)

Publication Date:: Wed Aug 09 00:00:00 EDT 2017

Research Org.:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1526485

Resource Type:: Accepted Manuscript

Journal Name:: Monthly Notices of the Royal Astronomical Society

Additional Journal Information:: Journal Volume: 472; Journal Issue: 1; Journal ID: ISSN 0035-8711

Publisher:: Royal Astronomical Society

Country of Publication:: United States

Language:: English

Subject:: 79 ASTRONOMY AND ASTROPHYSICS

Citation Formats


                    Lippuner, Jonas, Fernández, Rodrigo, Roberts, Luke F., Foucart, Francois, Kasen, Daniel, Metzger, Brian D., and Ott, Christian D. Signatures of hypermassive neutron star lifetimes on r-process nucleosynthesis in the disc ejecta from neutron star mergers.  United States: N. p., 2017. 
Web.  doi:10.1093/mnras/stx1987.

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                    Lippuner, Jonas, Fernández, Rodrigo, Roberts, Luke F., Foucart, Francois, Kasen, Daniel, Metzger, Brian D., & Ott, Christian D. Signatures of hypermassive neutron star lifetimes on r-process nucleosynthesis in the disc ejecta from neutron star mergers.  United States.  https://doi.org/10.1093/mnras/stx1987

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                    Lippuner, Jonas, Fernández, Rodrigo, Roberts, Luke F., Foucart, Francois, Kasen, Daniel, Metzger, Brian D., and Ott, Christian D. Wed .  
"Signatures of hypermassive neutron star lifetimes on r-process nucleosynthesis in the disc ejecta from neutron star mergers".  United States.  https://doi.org/10.1093/mnras/stx1987.  https://www.osti.gov/servlets/purl/1526485.

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@article{osti_1526485,

  title        = {Signatures of hypermassive neutron star lifetimes on r-process nucleosynthesis in the disc ejecta from neutron star mergers},

  author       = {Lippuner, Jonas and Fernández, Rodrigo and Roberts, Luke F. and Foucart, Francois and Kasen, Daniel and Metzger, Brian D. and Ott, Christian D.},

  abstractNote = {We investigate the nucleosynthesis of heavy elements in the winds ejected by accretion discs formed in neutron star mergers. We compute the element formation in disc outflows from hypermassive neutron star (HMNS) remnants of variable lifetime, including the effect of angular momentum transport in the disc evolution. We employ long-term axisymmetric hydrodynamic disc simulations to model the ejecta, and compute r-process nucleosynthesis with tracer particles using a nuclear reaction network containing ~8000 species. We find that the previously known strong correlation between HMNS lifetime, ejected mass and average electron fraction in the outflow is directly related to the amount of neutrino irradiation on the disc, which dominates mass ejection at early times in the form of a neutrino-driven wind. Production of lanthanides and actinides saturates at short HMNS lifetimes (≲10 ms), with additional ejecta contributing to a blue optical kilonova component for longer-lived HMNSs. We find good agreement between the abundances from the disc outflow alone and the solar r-process distribution only for short HMNS lifetimes (≲10 ms). For longer lifetimes, the rare-earth and third r-process peaks are significantly underproduced compared to the solar pattern, requiring additional contributions from the dynamical ejecta. The nucleosynthesis signature from a spinning black hole (BH) can only overlap with that from an HMNS of moderate lifetime (≲60 ms). Finally, we show that angular momentum transport not only contributes with a late-time outflow component, but that it also enhances the neutrino-driven component by moving material to shallower regions of the gravitational potential, in addition to providing additional heating.},

  doi          = {10.1093/mnras/stx1987},

  journal      = {Monthly Notices of the Royal Astronomical Society},

  number       = 1,

  volume       = 472,

  place        = {United States},

  year         = {Wed Aug 09 00:00:00 EDT 2017},

  month        = {Wed Aug 09 00:00:00 EDT 2017}

}

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Figures / Tables:

Table 1: List of investigated models. Columns from left to right show the model name, the compact central object (CCO) type (HMNS or BH), mass $M$_c of the CCO, lifetime $τ$ of the HMNS, dimensionless spin $χ$ of the BH (the HMNSs all spin at 1.5 ms), radius $R$_d ofmore »

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Dessart, Luc; Ott, Christian; Burrows, Adam
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Integrated Nucleosynthesis in Neutrino Driven Winds
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Roberts, L. F.; Woosley, S. E.; Hoffman, R. D.
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Importance of cooling in triggering the collapse of hypermassive neutron stars
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Radiative Transfer Simulations for Neutron Star Merger Ejecta
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r-Process Lanthanide Production and Heating Rates in Kilonovae
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Metzger, Brian D.
Living Reviews in Relativity, Vol. 23, Issue 1
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The origin of polarization in kilonovae and the case of the gravitational-wave counterpart AT 2017gfo
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Neutron-star Radius Constraints from GW170817 and Future Detections
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Neutron-star radius constraints from GW170817 and future detections
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Bauswein, Andreas; Just, Oliver; Janka, Hans-Thomas
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Modeling GW170817 based on numerical relativity and its implications
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Shibata, Masaru; Fujibayashi, Sho; Hotokezaka, Kenta
arXiv
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Mass Ejection from the Remnant of a Binary Neutron Star Merger: Viscous-Radiation Hydrodynamics Study
text, January 2017

Fujibayashi, Sho; Kiuchi, Kenta; Nishimura, Nobuya
arXiv
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AT2017gfo: an anisotropic and three-component kilonova counterpart of GW170817
text, January 2017

Perego, Albino; Radice, David; Bernuzzi, Sebastiano
arXiv
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A magnetar origin for the kilonova ejecta in GW170817
text, January 2018

Metzger, Brian D.; Thompson, Todd A.; Quataert, Eliot
arXiv
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Long-lived Remnants from Binary Neutron Star Mergers
text, January 2018

Radice, David; Perego, Albino; Bernuzzi, Sebastiano
arXiv
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Physical conditions for the r-process I. radioactive energy sources of kilonovae
text, January 2018

Wanajo, Shinya
arXiv
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Binary Neutron Star Mergers: Mass Ejection, Electromagnetic Counterparts and Nucleosynthesis
text, January 2018

Radice, David; Perego, Albino; Hotokezaka, Kenta
arXiv
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Viscous-Dynamical Ejecta from Binary Neutron Star Merger
text, January 2018

Radice, David; Perego, Albino; Hotokezaka, Kenta
arXiv
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Multimessenger Parameter Estimation of GW170817
text, January 2018

Radice, David; Dai, Liang
arXiv
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GW170817$-$the first observed neutron star merger and its kilonova: implications for the astrophysical site of the r-process
text, January 2019

Siegel, Daniel M.
arXiv
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From the microscopic to the macroscopic world: from nucleons to neutron stars
text, January 2019

Gandolfi, S.; Lippuner, J.; Steiner, A. W.
arXiv
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The Multi-Messenger Matrix: the Future of Neutron Star Merger Constraints on the Nuclear Equation of State
text, January 2019

Margalit, Ben; Metzger, Brian D.
arXiv
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The lanthanide fraction distribution in metal-poor stars: a test of neutron star mergers as the dominant r-process site
text, January 2019

Ji, Alexander P.; Drout, Maria R.; Hansen, Terese T.
arXiv
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Constraint on the maximum mass of neutron stars using GW170817 event
text, January 2019

Shibata, Masaru; Zhou, Enping; Kiuchi, Kenta
arXiv
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Full Transport Model of GW170817-Like Disk Produces a Blue Kilonova
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Miller, Jonah M.; Ryan, Benjamin R.; Dolence, Joshua C.
arXiv
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Neutron star binary orbits in their host potential: effect on early r-process enrichment
text, January 2019

Bonetti, Matteo; Perego, Albino; Dotti, Massimo
arXiv
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r-Process enrichment in the Galactic halo characterized by nucleosynthesis variation in the ejecta of coalescing neutron star binaries
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Tsujimoto, Takuji; Nishimura, Nobuya; Kyutoku, Koutarou
arXiv
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Kilonovae
journal, December 2019

Metzger, Brian D.
Living Reviews in Relativity, Vol. 23, Issue 1
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All the fun of the FAIR: fundamental physics at the facility for antiproton and ion research
journal, January 2019

Durante, M.; Indelicato, P.; Jonson, B.
Physica Scripta, Vol. 94, Issue 3
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r -process nucleosynthesis and kilonovae from hypermassive neutron star post-merger remnants

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ABSTRACT We investigate r-process nucleosynthesis and kilonova emission resulting from binary neutron star (BNS) mergers based on a three-dimensional (3D) general-relativistic magnetohydrodynamic (GRMHD) simulation of a hypermassive neutron star (HMNS) remnant. The simulation includes a microphysical finite-temperature equation of state (EOS) and neutrino emission and absorption effects via a leakage scheme. We track the thermodynamic properties of the ejecta using Lagrangian tracer particles and determine its composition using the nuclear reaction network SkyNet. We investigate the impact of neutrinos on the nucleosynthetic yields by varying the neutrino luminosities during post-processing. The ejecta show a broad distribution with respect to their electronmore »« less
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Abstract We present a 3D general-relativistic magnetohydrodynamic simulation of a short-lived neutron star remnant formed in the aftermath of a binary neutron star merger. The simulation uses an M1 neutrino transport scheme to track neutrino–matter interactions and is well suited to studying the resulting nucleosynthesis and kilonova emission. A magnetized wind is driven from the remnant and ejects neutron-rich material at a quasi-steady-state rate of 0.8 × 10 ⁻¹ M _⊙ s ⁻¹ . We find that the ejecta in our simulations underproduce r -process abundances beyond the second r -process peak. For sufficiently long-lived remnants, these outflows alone canmore »« less
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Dynamics, nucleosynthesis, and kilonova signature of black hole—neutron star merger ejecta

Journal Article Fernández, Rodrigo ; Foucart, Francois ; Kasen, Daniel ; ... - Classical and Quantum Gravity

Here we investigate the ejecta from black hole—neutron star mergers by modeling the formation and interaction of mass ejected in a tidal tail and a disk wind. The outflows are neutron-rich, giving rise to optical/infrared emission powered by the radioactive decay of r-process elements (a kilonova). Here we perform an end-to-end study of this phenomenon, where we start from the output of a fully-relativistic merger simulation, calculate the post-merger hydrodynamical evolution of the ejecta and disk winds including neutrino physics, determine the final nucleosynthetic yields using post-processing nuclear reaction network calculations, and compute the kilonova emission with a radiative transfermore »« less
Cited by 69
https://doi.org/10.1088/1361-6382/aa7a77

Full Text Available
Binary Neutron Star Mergers: Mass Ejection, Electromagnetic Counterparts, and Nucleosynthesis

Journal Article Radice, David ; Perego, Albino ; Hotokezaka, Kenta ; ... - The Astrophysical Journal (Online)

We present a systematic numerical relativity study of the mass ejection and the associated electromagnetic transients and nucleosynthesis from binary neutron star (NS) mergers. We find that a few 10^-3 M _⊙ of material is ejected dynamically during the mergers. The amount and the properties of these outflows depend on binary parameters and on the NS equation of state (EOS). A small fraction of these ejecta, typically ~10^-6 M _⊙, is accelerated by shocks formed shortly after merger to velocities larger than 0.6c and produces bright radio flares on timescales of weeks, months, or years after merger. Their observation couldmore »« less
Cited by 234
https://doi.org/10.3847/1538-4357/aaf054

Full Text Available
Production of Very Light Elements and Strontium in the Early Ejecta of Neutron Star Mergers

Journal Article Perego, Albino ; Vescovi, Diego ; Fiore, Achille ; ... - The Astrophysical Journal

Abstract We study the production of very light elements ( Z < 20) in the dynamical and spiral-wave wind ejecta of binary neutron star mergers by combining detailed nucleosynthesis calculations with the outcome of numerical relativity merger simulations. All our models are targeted to GW170817 and include neutrino radiation. We explore different finite-temperature, composition-dependent nuclear equations of state, and binary mass ratios, and find that hydrogen and helium are the most abundant light elements. For both elements, the decay of free neutrons is the driving nuclear reaction. In particular, ∼0.5–2 × 10 ⁻⁶ M _⊙ of hydrogen are produced inmore »« less
https://doi.org/10.3847/1538-4357/ac3751

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Title: Signatures of hypermassive neutron star lifetimes on r-process nucleosynthesis in the disc ejecta from neutron star mergers

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Extensible component-based architecture for FLASH, a massively parallel, multiphysics simulation code journal, October 2009

Charged-Current Weak Interaction Processes in Hot and Dense Matter and its Impact on the Spectra of Neutrinos Emitted from Protoneutron Star Cooling journal, December 2012

FLASH: An Adaptive Mesh Hydrodynamics Code for Modeling Astrophysical Thermonuclear Flashes journal, November 2000

Kilonovae journal, May 2017

r -PROCESS NUCLEOSYNTHESIS IN DYNAMICALLY EJECTED MATTER OF NEUTRON STAR MERGERS journal, August 2011

Neutrino-heated winds from millisecond protomagnetars as sources of the weak r-process journal, February 2017

r ‐Process Abundances and Chronometers in Metal‐poor Stars journal, August 1999

Low mass binary neutron star mergers: Gravitational waves and neutrino emission journal, February 2016

r -Process Nucleosynthesis in Hot Accretion Disk Flows from Black Hole-Neutron Star Mergers journal, May 2008

The r ‐Process–enriched Low‐Metallicity Giant HD 115444 journal, February 2000

Relativistic opacities for astrophysical applications journal, September 2015

Rate Tables for the Weak Processes of sd-Shell Nuclei in Stellar Matter journal, March 1994

Neutrino-Driven Winds in the Aftermath of a Neutron star Merger: Nucleosynthesis and Electromagnetic Transients journal, October 2015

UNCERTAINTIES IN THE ν p -PROCESS: SUPERNOVA DYNAMICS VERSUS NUCLEAR PHYSICS journal, February 2011

Red or blue? A potential kilonova imprint of the delay until black hole formation following a neutron star merger journal, May 2014

Nucleosynthesis in Neutrino‐driven Winds. I. The Physical Conditions journal, November 1996

OPACITIES AND SPECTRA OF THE r -PROCESS EJECTA FROM NEUTRON STAR MERGERS journal, August 2013

PHASE TRANSITIONS AND He-SYNTHESIS-DRIVEN WINDS IN NEUTRINO COOLED ACCRETION DISKS: PROSPECTS FOR LATE FLARES IN SHORT GAMMA-RAY BURSTS journal, June 2009

The Influence of Thermal Pressure on Equilibrium Models of Hypermassive Neutron star Merger Remnants journal, June 2014

Abundances of Actinides and Short-lived Nonactinides in the Interstellar Medium: Diverse Supernova Sources for the [ITAL]r[/ITAL]-Processes journal, August 1996

Neutrino Signal of Electron-Capture Supernovae from Core Collapse to Cooling journal, June 2010

Torus formation in neutron star mergers and well-localized short gamma-ray bursts journal, June 2006

The jina Reaclib Database: its Recent Updates and Impact on Type-I X-Ray Bursts journal, June 2010

Electromagnetic Signatures of Neutron Star Mergers in the Advanced LIGO Era journal, October 2016

Outflows from accretion discs formed in neutron star mergers: effect of black hole spin journal, November 2014

The impact of individual nuclear properties on r -process nucleosynthesis journal, January 2016

Nickel-rich outflows from accretion discs formed by the accretion-induced collapse of white dwarfs journal, July 2009

Dynamical mass ejection from binary neutron star mergers: Radiation-hydrodynamics study in general relativity journal, March 2015

Vertical Structure of Gas Pressure–dominated Accretion Disks with Local Dissipation of Turbulence and Radiative Transport journal, April 2006

Nuclear ground-state masses and deformations: FRDM(2012) journal, May 2016

Neutron-rich freeze-out in viscously spreading accretion discs formed from compact object mergers journal, June 2009

Numerical Relativity and Astrophysics journal, August 2014

PRODUCTION OF ALL THE r -PROCESS NUCLIDES IN THE DYNAMICAL EJECTA OF NEUTRON STAR MERGERS journal, June 2014

Predictions for the rates of compact binary coalescences observable by ground-based gravitational-wave detectors journal, July 2010

The dynamical stability of differentially rotating discs with constant specific angular momentum journal, June 1984

Stellar weak interaction rates for intermediate mass nuclei. III - Rate tables for the free nucleons and nuclei with A = 21 to A = 60 journal, January 1982

Monte Carlo Neutrino Transport Through Remnant Disks from Neutron star Mergers journal, October 2015

Dynamical ejecta from precessing neutron star-black hole mergers with a hot, nuclear-theory based equation of state journal, January 2017

Fission barriers of neutron-rich and superheavy nuclei calculated with the ETFSI method journal, January 2001

Electromagnetic counterparts of compact object mergers powered by the radioactive decay of r-process nuclei: Transients from compact object mergers journal, June 2010

Sustained Magnetorotational Turbulence in Local Simulations of Stratified Disks with zero net Magnetic flux journal, March 2010

On the astrophysical robustness of the neutron star merger r-process: Robust r-process in neutron star mergers journal, October 2012

Black hole-neutron star binary merger: Dependence on black hole spin orientation and equation of state journal, July 2015

Delayed outflows from black hole accretion tori following neutron star binary coalescence journal, August 2013

Dynamical mass ejection from binary neutron star mergers journal, May 2016

The r-process nucleosynthesis: a continued challenge for nuclear physics and astrophysics journal, July 2005

Radiative Transfer Simulations of Neutron star Merger Ejecta journal, September 2013

Impact of an improved neutrino energy estimate on outflows in neutron star merger simulations journal, December 2016

Neutrino-driven winds from neutron star merger remnants journal, August 2014

Production of the entire range of r -process nuclides by black hole accretion disc outflows from neutron star mergers journal, August 2016

Impact of weak interactions of free nucleons on the r-process in dynamical ejecta from neutron star mergers journal, August 2015

THE ROLE OF FISSION IN NEUTRON STAR MERGERS AND ITS IMPACT ON THE r -PROCESS PEAKS journal, July 2015

The interplay of disc wind and dynamical ejecta in the aftermath of neutron star–black hole mergers journal, March 2015

Radioactive decay products in neutron star merger ejecta: heating efficiency and γ-ray emission journal, March 2016

Evolution of Proto–Neutron Stars journal, March 1999

RELATIVE CONTRIBUTIONS OF THE WEAK, MAIN, AND FISSION-RECYCLING r -PROCESS journal, January 2016

R-process enrichment from a single event in an ancient dwarf galaxy journal, March 2016

The influence of neutrinos on r-process nucleosynthesis in the ejecta of black hole–neutron star mergers journal, October 2016

Neutron-Capture Elements in the Early Galaxy journal, September 2008

Transient Events from Neutron Star Mergers journal, November 1998

Nuclear robustness of the r process in neutron-star mergers journal, November 2015

Effect of a high Opacity on the Light Curves of Radioactively Powered Transients from Compact Object Mergers journal, August 2013

Advanced LIGO journal, March 2015

General relativistic simulations of compact binary mergers as engines for short gamma-ray bursts journal, March 2017

Electromagnetic Transients Powered by Nuclear Decay in the Tidal Tails of Coalescing Compact Binaries journal, July 2011

Mass ejection from the merger of binary neutron stars journal, January 2013

Radioactivity and Thermalization in the Ejecta of Compact Object Mergers and Their Impact on Kilonova Light Curves journal, September 2016

Conditions for shock revival by neutrino heating in core-collapse supernovae journal, March 2001

The multi-messenger picture of compact binary mergers journal, March 2015

Modified Newtonian Potentials for the Description of Relativistic Effects in Accretion Disks around Black Holes journal, April 1996

Dynamics, nucleosynthesis, and kilonova signature of black hole—neutron star merger ejecta journal, July 2017

Kilonova light curves from the disc wind outflows of compact object mergers journal, April 2015

Calculations in the Liquid-Drop Model of Fission journal, November 1947

Comprehensive nucleosynthesis analysis for ejecta of compact binary mergers journal, February 2015

Neutron-induced astrophysical reaction rates for translead nuclei journal, April 2010

Post-merger evolution of a neutron star-black hole binary with neutrino transport journal, June 2015

Extensible component-based architecture for FLASH, a massively parallel, multiphysics simulation code
journal, October 2009

Charged-Current Weak Interaction Processes in Hot and Dense Matter and its Impact on the Spectra of Neutrinos Emitted from Protoneutron Star Cooling
journal, December 2012

FLASH: An Adaptive Mesh Hydrodynamics Code for Modeling Astrophysical Thermonuclear Flashes
journal, November 2000

Kilonovae
journal, May 2017

r -PROCESS NUCLEOSYNTHESIS IN DYNAMICALLY EJECTED MATTER OF NEUTRON STAR MERGERS
journal, August 2011

Neutrino-heated winds from millisecond protomagnetars as sources of the weak r-process
journal, February 2017

r ‐Process Abundances and Chronometers in Metal‐poor Stars
journal, August 1999

Low mass binary neutron star mergers: Gravitational waves and neutrino emission
journal, February 2016

r -Process Nucleosynthesis in Hot Accretion Disk Flows from Black Hole-Neutron Star Mergers
journal, May 2008

The r ‐Process–enriched Low‐Metallicity Giant HD 115444
journal, February 2000

Relativistic opacities for astrophysical applications
journal, September 2015

Rate Tables for the Weak Processes of sd-Shell Nuclei in Stellar Matter
journal, March 1994

Neutrino-Driven Winds in the Aftermath of a Neutron star Merger: Nucleosynthesis and Electromagnetic Transients
journal, October 2015

UNCERTAINTIES IN THE ν p -PROCESS: SUPERNOVA DYNAMICS VERSUS NUCLEAR PHYSICS
journal, February 2011

Red or blue? A potential kilonova imprint of the delay until black hole formation following a neutron star merger
journal, May 2014

Nucleosynthesis in Neutrino‐driven Winds. I. The Physical Conditions
journal, November 1996

OPACITIES AND SPECTRA OF THE r -PROCESS EJECTA FROM NEUTRON STAR MERGERS
journal, August 2013

PHASE TRANSITIONS AND He-SYNTHESIS-DRIVEN WINDS IN NEUTRINO COOLED ACCRETION DISKS: PROSPECTS FOR LATE FLARES IN SHORT GAMMA-RAY BURSTS
journal, June 2009

The Influence of Thermal Pressure on Equilibrium Models of Hypermassive Neutron star Merger Remnants
journal, June 2014

Abundances of Actinides and Short-lived Nonactinides in the Interstellar Medium: Diverse Supernova Sources for the [ITAL]r[/ITAL]-Processes
journal, August 1996

Neutrino Signal of Electron-Capture Supernovae from Core Collapse to Cooling
journal, June 2010

Torus formation in neutron star mergers and well-localized short gamma-ray bursts
journal, June 2006

The jina Reaclib Database: its Recent Updates and Impact on Type-I X-Ray Bursts
journal, June 2010

Electromagnetic Signatures of Neutron Star Mergers in the Advanced LIGO Era
journal, October 2016

Outflows from accretion discs formed in neutron star mergers: effect of black hole spin
journal, November 2014

The impact of individual nuclear properties on $r$ -process nucleosynthesis
journal, January 2016

Nickel-rich outflows from accretion discs formed by the accretion-induced collapse of white dwarfs
journal, July 2009

Dynamical mass ejection from binary neutron star mergers: Radiation-hydrodynamics study in general relativity
journal, March 2015

Vertical Structure of Gas Pressure–dominated Accretion Disks with Local Dissipation of Turbulence and Radiative Transport
journal, April 2006

Nuclear ground-state masses and deformations: FRDM(2012)
journal, May 2016

Neutron-rich freeze-out in viscously spreading accretion discs formed from compact object mergers
journal, June 2009

Numerical Relativity and Astrophysics
journal, August 2014

PRODUCTION OF ALL THE r -PROCESS NUCLIDES IN THE DYNAMICAL EJECTA OF NEUTRON STAR MERGERS
journal, June 2014

Predictions for the rates of compact binary coalescences observable by ground-based gravitational-wave detectors
journal, July 2010

The dynamical stability of differentially rotating discs with constant specific angular momentum
journal, June 1984

Stellar weak interaction rates for intermediate mass nuclei. III - Rate tables for the free nucleons and nuclei with A = 21 to A = 60
journal, January 1982

Monte Carlo Neutrino Transport Through Remnant Disks from Neutron star Mergers
journal, October 2015

Dynamical ejecta from precessing neutron star-black hole mergers with a hot, nuclear-theory based equation of state
journal, January 2017

Fission barriers of neutron-rich and superheavy nuclei calculated with the ETFSI method
journal, January 2001

Electromagnetic counterparts of compact object mergers powered by the radioactive decay of r-process nuclei: Transients from compact object mergers
journal, June 2010

Sustained Magnetorotational Turbulence in Local Simulations of Stratified Disks with zero net Magnetic flux
journal, March 2010

On the astrophysical robustness of the neutron star merger r-process: Robust r-process in neutron star mergers
journal, October 2012

Black hole-neutron star binary merger: Dependence on black hole spin orientation and equation of state
journal, July 2015

Delayed outflows from black hole accretion tori following neutron star binary coalescence
journal, August 2013

Dynamical mass ejection from binary neutron star mergers
journal, May 2016

The r-process nucleosynthesis: a continued challenge for nuclear physics and astrophysics
journal, July 2005

Radiative Transfer Simulations of Neutron star Merger Ejecta
journal, September 2013

Impact of an improved neutrino energy estimate on outflows in neutron star merger simulations
journal, December 2016

Neutrino-driven winds from neutron star merger remnants
journal, August 2014

Production of the entire range of r -process nuclides by black hole accretion disc outflows from neutron star mergers
journal, August 2016

Impact of weak interactions of free nucleons on the r-process in dynamical ejecta from neutron star mergers
journal, August 2015

THE ROLE OF FISSION IN NEUTRON STAR MERGERS AND ITS IMPACT ON THE r -PROCESS PEAKS
journal, July 2015

The interplay of disc wind and dynamical ejecta in the aftermath of neutron star–black hole mergers
journal, March 2015

Radioactive decay products in neutron star merger ejecta: heating efficiency and γ-ray emission
journal, March 2016

Evolution of Proto–Neutron Stars
journal, March 1999

RELATIVE CONTRIBUTIONS OF THE WEAK, MAIN, AND FISSION-RECYCLING r -PROCESS
journal, January 2016

R-process enrichment from a single event in an ancient dwarf galaxy
journal, March 2016

The influence of neutrinos on r-process nucleosynthesis in the ejecta of black hole–neutron star mergers
journal, October 2016

Neutron-Capture Elements in the Early Galaxy
journal, September 2008

Transient Events from Neutron Star Mergers
journal, November 1998

Nuclear robustness of the $r$ process in neutron-star mergers
journal, November 2015

Effect of a high Opacity on the Light Curves of Radioactively Powered Transients from Compact Object Mergers
journal, August 2013

Advanced LIGO
journal, March 2015

General relativistic simulations of compact binary mergers as engines for short gamma-ray bursts
journal, March 2017

Electromagnetic Transients Powered by Nuclear Decay in the Tidal Tails of Coalescing Compact Binaries
journal, July 2011

Mass ejection from the merger of binary neutron stars
journal, January 2013

Radioactivity and Thermalization in the Ejecta of Compact Object Mergers and Their Impact on Kilonova Light Curves
journal, September 2016

Conditions for shock revival by neutrino heating in core-collapse supernovae
journal, March 2001

The multi-messenger picture of compact binary mergers
journal, March 2015

Modified Newtonian Potentials for the Description of Relativistic Effects in Accretion Disks around Black Holes
journal, April 1996

Dynamics, nucleosynthesis, and kilonova signature of black hole—neutron star merger ejecta
journal, July 2017

Kilonova light curves from the disc wind outflows of compact object mergers
journal, April 2015

Calculations in the Liquid-Drop Model of Fission
journal, November 1947

Comprehensive nucleosynthesis analysis for ejecta of compact binary mergers
journal, February 2015

Neutron-induced astrophysical reaction rates for translead nuclei
journal, April 2010

Post-merger evolution of a neutron star-black hole binary with neutrino transport
journal, June 2015

Kilonova/Macronova Emission from Compact Binary Mergers
journal, January 2016

r-PROCESS LANTHANIDE PRODUCTION AND HEATING RATES IN KILONOVAE
journal, December 2015

Shell-model calculations of stellar weak interaction rates: II. Weak rates for nuclei in the mass range in supernovae environments
journal, June 2000

Protoneutron star evolution and the neutrino-driven wind in general relativistic neutrino radiation hydrodynamics simulations
journal, July 2010