SIMBAD references

2017ApJ...838....3S - Astrophys. J., 838, 3-3 (2017/March-3)

High-energy neutrino flares from X-ray bright and dark tidal disruption events.

SENNO N., MURASE K. and MESZAROS P.

Abstract (from CDS):

X-ray and γ-ray observations by the Swift satellite revealed that a fraction of tidal disruption events (TDEs) have relativistic jets. Jetted TDEs have been considered to be potential sources of very-high-energy cosmic-rays and neutrinos. In this work, using semi-analytical methods, we calculate neutrino spectra of X-ray bright TDEs with powerful jets and dark TDEs with possible choked jets, respectively. We estimate their neutrino fluxes and find that non-detection would give us an upper limit on the baryon loading of the jet luminosity contained in cosmic-rays ξcr <= 20-50 for Sw J1644+57. We show that X-ray bright TDEs make a sub-dominant (<=5%-10%) contribution to IceCube's diffuse neutrino flux, and study possible contributions of X-ray dark TDEs given that particles are accelerated in choked jets or disk winds. We discuss future prospects for multi-messenger searches of the brightest TDEs.

Abstract Copyright: © 2017. The American Astronomical Society. All rights reserved.

Journal keyword(s): astroparticle physics - black hole physics - neutrinos - X-rays: bursts - X-rays: bursts

Simbad objects: 3

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