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Related papers: Neutron Star Mergers and How to Study Them

200 papers

Binary neutron star mergers are unique probes of matter at extreme density and standard candles of cosmic expansion. The only such event observed in both gravitational waves and electromagnetic radiation, GW170817, revealed the origin of…

General Relativity and Quantum Cosmology · Physics 2026-05-14 Anjali B. Yelikar , Karan Jani

The mergers of black hole-neutron star binaries are calcuated using a pseudo-general relativistic potential that incorporates ${\mathcal O}(v^2/c^2)^3$ post-Newtonian corrections. Both normal matter neutron stars and self-bound strange…

Astrophysics · Physics 2009-11-10 Madappa Prakash , Sasa Ratkovic , James M. Lattimer

Observations by the current generation of gravitational-wave detectors have been pivotal in expanding our understanding of the universe. Although tens of exciting compact binary mergers have been observed, neutron star-black hole (NSBH)…

General Relativity and Quantum Cosmology · Physics 2023-07-26 Ish Gupta , Ssohrab Borhanian , Arnab Dhani , Debatri Chattopadhyay , Rahul Kashyap , V. Ashley Villar , B. S. Sathyaprakash

Supermassive black hole mergers with spin-flips accelerate energetic particles through their precessing relativistic jets, producing high energy neutrinos and finally gravitational waves. In star formation massive stars come in pairs,…

Neutron star mergers are among the most promising sources of gravitational waves for advanced ground-based detectors. These mergers are also expected to power bright electromagnetic signals, in the form of short gamma-ray bursts,…

We define the theoretical framework and deduce the conditions under which multi-messenger astronomy can provide useful information about neutrino masses and their ordering. The framework uses time differences between the arrival of…

High Energy Physics - Phenomenology · Physics 2016-10-05 Kasper Langaeble , Aurora Meroni , Francesco Sannino

Neutron stars were first posited in the early thirties, and discovered as pulsars in late sixties; however, only recently are we beginning to understand the matter they contain. This talk describes the continuing development of a consistent…

High Energy Astrophysical Phenomena · Physics 2020-01-08 Gordon Baym

Neutron stars are versatile in their application to studying various important aspects of fundamental physics, in particular strong-field gravity tests and the equation of state for super-dense nuclear matter at low temperatures. However,…

General Relativity and Quantum Cosmology · Physics 2022-10-18 Lijing Shao , Kent Yagi

Neutron stars are the most dense objects in the observable Universe and conventionally one uses nuclear theory to obtain the equation of state (EOS) of dense hadronic matter and the global properties of these stars. In this work, we review…

Nuclear Theory · Physics 2009-02-03 T. K. Jha

Following the historical observations of GW170817 and its multi-wavelength afterglow, more radio afterglows from neutron star mergers are expected in the future as counterparts to gravitational wave inspiral signals. We wish to describe…

High Energy Astrophysical Phenomena · Physics 2019-10-23 Raphaël Duque , Frédéric Daigne , Robert Mochkovitch

The interpretation of the available and forthcoming data obtained from multimessenger astrophysical observations -- potentially providing unprecedented access to neutron star properties -- will require the development of novel, accurate…

Nuclear Theory · Physics 2022-11-09 Omar Benhar , Alessandro Lovato , Giovanni Camelio

Gravitational waves emitted from the coalescence of neutron star binaries open a new window to probe matter and fundamental physics in unexplored, extreme regimes. To extract information about the supranuclear matter inside neutron stars…

General Relativity and Quantum Cosmology · Physics 2021-03-10 Tim Dietrich , Tanja Hinderer , Anuradha Samajdar

Over the next decade, $\mathcal{O}(100)$ diffuse supernova neutrino background (DSNB) events are expected in Hyper-Kamiokande. Another neutrino source that has received far less attention is binary neutron star mergers. Including the data…

High Energy Physics - Phenomenology · Physics 2025-11-21 Vedran Brdar , Dibya S. Chattopadhyay , Samiur R. Mir , Tousif Raza , Marc S. Romanowski

Neutrinos are known to play important roles in many astrophysical scenarios from the early period of the big bang to current stellar evolution being a unique messenger of the fusion reactions occurring in the center of our sun. In…

High Energy Astrophysical Phenomena · Physics 2024-03-05 Tobias Fischer , Gang Guo , Karlheinz Langanke , Gabriel Martinez-Pinedo , Yong-Zhong Qian , Meng-Ru Wu

In this review we show that the space experiment with gamma-ray detector with sensitivity 2 orders of magnitude higher than existing ones will make it possible to discover up to a thousand neutron star mergers, even at those moments when…

High Energy Astrophysical Phenomena · Physics 2024-08-27 Vladimir Lipunov , Sergey Svertilov , Vladislav Topolev

The recent direct observation of gravitational wave event $GW170817$ and its $GRB170817A$ signal has opened up a new window to study neutron stars and heralds a new era of Astronomy referred to as the Multimessenger Astronomy. Both…

The hope is that in the near future neutrino astronomy, born with the identification of thermonuclear fusion in the sun and the particle processes controlling the fate of a nearby supernova, will reach throughout and beyond our Galaxy and…

Astrophysics · Physics 2009-10-28 S. Barwick , F. Halzen , P. B. Price

Gravitational-wave observation together with a large number of electromagnetic observations shows that the source of the latest gravitational-wave event, GW170817, detected primarily by advanced LIGO, is the merger of a binary neutron star.…

High Energy Astrophysical Phenomena · Physics 2017-12-27 Masaru Shibata , Sho Fujibayashi , Kenta Hotokezaka , Kenta Kiuchi , Koutarou Kyutoku , Yuichiro Sekiguchi , Masaomi Tanaka

The field of high-energy neutrino astronomy is undergoing a rapid evolution. After the discovery of a diffuse flux of astrophysical TeV-PeV neutrinos in 2013, the IceCube observatory has recently found first compelling evidence for neutrino…

High Energy Astrophysical Phenomena · Physics 2019-06-12 Markus Ahlers

The unified models of astrophysical sources to account for ultrahigh-energy cosmic rays (UHECRs) and high-energy cosmic neutrinos with energies greater than 100 TeV have been discussed. Based on model-independent arguments, we argue that if…

High Energy Astrophysical Phenomena · Physics 2024-09-02 Shigeru Yoshida , Kohta Murase