English
Related papers

Related papers: Heating up Neutron Stars with Inelastic Dark Matte…

200 papers

The dense environment of neutron stars makes them an excellent target for probing dark matter interactions with the Standard Model. We study neutron star heating from capture of inelastic dark matter, which can evade direct detection…

High Energy Physics - Phenomenology · Physics 2023-05-24 Gerardo Alvarez , Aniket Joglekar , Mehrdad Phoroutan-Mehr , Hai-Bo Yu

Neutron stars capture dark matter efficiently. The kinetic energy transferred during capture heats old neutron stars in the local galactic halo to temperatures detectable by upcoming infrared telescopes. We derive the sensitivity of this…

High Energy Physics - Phenomenology · Physics 2019-10-21 Nirmal Raj , Philip Tanedo , Hai-Bo Yu

Dark matter particles will be captured in neutron stars if they undergo scattering interactions with nucleons or leptons. These collisions transfer the dark matter kinetic energy to the star, resulting in appreciable heating that is…

High Energy Physics - Phenomenology · Physics 2019-07-02 Nicole F. Bell , Giorgio Busoni , Sandra Robles

Neutron stars provide a cosmic laboratory to study the nature of dark matter particles and their interactions. Dark matter can be captured by neutron stars via scattering, where kinetic energy is transferred to the star. This can have a…

High Energy Physics - Phenomenology · Physics 2020-09-17 Nicole F. Bell , Giorgio Busoni , Sandra Robles , Michael Virgato

The extreme conditions in Neutron Stars make them ideal test facilities for fundamental interactions. A Neutron Star can capture Dark Matter via scattering. As a result of the scattering, Dark Matter kinetic energy is transferred to the…

High Energy Physics - Phenomenology · Physics 2022-09-21 Giorgio Busoni

Due to the dense environment, neutron stars (NSs) can serve as an ideal laboratory for studying the interactions between dark matter (DM) and ordinary matter. In the process of DM capture, deep inelastic scattering may dominate over elastic…

High Energy Physics - Phenomenology · Physics 2024-09-11 Liangliang Su , Lei Wu , Meiwen Yang

Neutron stars harbour matter under extreme conditions, providing a unique testing ground for fundamental interactions. We recently developed an improved treatment of dark matter (DM) capture in neutron stars that properly incorporates many…

High Energy Physics - Phenomenology · Physics 2021-03-30 Nicole F. Bell , Giorgio Busoni , Sandra Robles , Michael Virgato

If dark matter has a sizable scattering cross section with nucleons, it can efficiently be captured by a neutron star. Its energy is then transferred to the neutron star as heat through the scattering and annihilation inside the star. This…

High Energy Physics - Phenomenology · Physics 2022-10-11 Motoko Fujiwara , Koichi Hamaguchi , Natsumi Nagata , Jiaming Zheng

Dark matter can capture in neutron stars from scattering off ultra-relativistic electrons. We present a method to calculate the capture rate on degenerate targets with ultra-relativistic momenta in a compact astronomical object. Our…

High Energy Physics - Phenomenology · Physics 2020-12-09 Aniket Joglekar , Nirmal Raj , Philip Tanedo , Hai-Bo Yu

The presence of dark matter has been ascertained through a wealth of astrophysical and cosmological phenomena and its nature is a central puzzle in modern science. Elementary particles stand as the most compelling explanation. They have…

High Energy Physics - Phenomenology · Physics 2019-10-02 Daniel A. Camargo , Farinaldo S. Queiroz , Riccardo Sturani

Due to their extreme density and low temperature, neutron stars (NS) are efficient probes to unveil interactions between standard model and dark matter (DM) particles. From elastic scatterings on NS material, DM can get gravitationally…

High Energy Physics - Phenomenology · Physics 2019-05-28 Raghuveer Garani , Yoann Genolini , Thomas Hambye

Neutron stars offer powerful astrophysical laboratories to probe the properties of dark matter. Gradual accumulation of heavy, non-annihilating dark matter in neutron stars can lead to the formation of comparable-mass black holes, and…

High Energy Physics - Phenomenology · Physics 2025-04-23 Anupam Ray

We identify a largely model-independent signature of dark matter interactions with nucleons and electrons. Dark matter in the local galactic halo, gravitationally accelerated to over half the speed of light, scatters against and deposits…

High Energy Physics - Phenomenology · Physics 2017-10-04 Masha Baryakhtar , Joseph Bramante , Shirley Weishi Li , Tim Linden , Nirmal Raj

Dark matter search strategies have started advancing towards the neutrino fog. In this regard, compact objects such as neutron stars have already demonstrated their ability in probing such low DM-nucleon cross-sections from dark matter…

High Energy Physics - Phenomenology · Physics 2026-04-24 Sambo Sarkar

Neutron stars serve as excellent next-generation thermal detectors of dark matter, heated by the scattering and annihilation of dark matter accelerated to relativistic speeds in their deep gravitational wells. However, the dynamics of…

High Energy Physics - Phenomenology · Physics 2020-03-24 Javier F. Acevedo , Joseph Bramante , Rebecca K. Leane , Nirmal Raj

Dark matter in the form of weakly interacting massive particles is predicted to become gravitationally captured and accumulate in stars. While the subsequent annihilations of such particles lead to the injection of energy into stellar…

High Energy Physics - Phenomenology · Physics 2014-11-20 Dan Hooper , Douglas Spolyar , Alberto Vallinotto , Nickolay Y. Gnedin

We present a new inelastic dark matter search: neutron stars in dark matter-rich environments capture inelastic dark matter which, for interstate mass splittings between about $45 - 285 \ \rm MeV$, will annihilate away before becoming fully…

High Energy Physics - Phenomenology · Physics 2024-04-17 Javier F. Acevedo , Joseph Bramante , Qinrui Liu , Narayani Tyagi

Confronting theoretical models with observations of thermal radiation emitted by neutron stars is one of the most important ways to understand the properties of both, superdense matter in the interiors of the neutron stars and dense…

High Energy Astrophysical Phenomena · Physics 2015-12-25 A. Y. Potekhin , A. De Luca , J. A. Pons

We study the cooling of isolated dark-matter-admixed neutron stars, employing a realistic nuclear equation of state and realistic nuclear pairing gaps, together with fermionic dark matter of variable particle mass and dark-matter fraction.…

High Energy Astrophysical Phenomena · Physics 2025-12-30 B. X. Zhou , H. C. Das , J. B. Wei , G. F. Burgio , Z. H. Li , H. -J. Schulze

Dark matter can capture in neutron stars and heat them to observable luminosities. We study relativistic scattering of dark matter on highly degenerate electrons. We develop a Lorentz invariant formalism to calculate the capture probability…

High Energy Physics - Phenomenology · Physics 2020-09-09 Aniket Joglekar , Nirmal Raj , Philip Tanedo , Hai-Bo Yu
‹ Prev 1 2 3 10 Next ›