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Probing microquasars with TeV neutrinos
1School of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel.
Physical Review Letters
|November 3, 2001
Summary
Galactic microquasar jets may eject electron-proton plasma, producing detectable high-energy neutrinos before radio flares. This discovery offers a new way to study microquasar jet physics.
Area of Science:
- Astrophysics
- Particle Physics
- High-Energy Astronomy
Background:
- Galactic microquasars are transient astronomical sources powered by accreting stellar-mass black holes or neutron stars.
- These systems are known to launch powerful relativistic jets.
Purpose of the Study:
- To investigate the potential observational signatures of electron-proton dominated jets in microquasars.
- To establish a connection between neutrino production and jet ejection events.
Main Methods:
- Theoretical modeling of photomeson interactions within microquasar jets.
- Simulation of neutrino and radio flare emission from transient sources.
Main Results:
- Predicts a several-hour outburst of 1-100 TeV neutrinos preceding radio flares from major ejection events.
- Suggests that several neutrinos could be detected from a single outburst by a 1 km(2) detector.
Conclusions:
- Neutrino emission from photomeson interactions serves as a crucial precursor to radio flares in microquasar jets.
- Neutrino detection provides a powerful new tool for probing the physics of microquasar jet formation and evolution.