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23–27 Jan 2023
Saha Institute of Nuclear Physics
Asia/Kolkata timezone

Neutrinos from captured dark matter annihilation in a galactic population of neutron stars

Not scheduled
20m
Meghnad Saha Auditorium (Saha Institute of Nuclear Physics)

Meghnad Saha Auditorium

Saha Institute of Nuclear Physics

1/AF, Bidhannagar, Kolkata-700064, West Bengal, India.

Speaker

Debajit Bose

Description

Particulate dark matter captured by a population of neutron stars distributed around the galactic center while annihilating through long-lived mediators can give rise to an observable neutrino flux. We examine the prospect of an idealised gigaton detector like IceCube/KM3NeT in probing such scenarios. Within this framework, we report an improved reach in spin-dependent and spin-independent dark matter nucleon cross-section below the current limits for dark matter masses in the TeV-PeV range.

Author

Debajit Bose

Co-authors

Tarak Nath Maity (Indian Institute of Science) Tirtha Sankar Ray (IIT Kharagpur, India)

Presentation materials

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