Gamma-Rays and Neutrinos from Accretion Processes onto Collapsed Objects: Application to 3C 273

  • F. Giovannelli
  • L. Sabau Graziati
  • S. Karakula
  • W. Tkaczyk
Part of the NATO ASI Series book series (ASIC, volume 337)

Abstract

In this work we want simply to review the metodology used by the authors in the past in order to develop the very important and difficult problem of the calculation of the energy production spectra of the γ-rays and neutrinos produced in the accretion processes onto collapsed objects. Because of the complexity of the problem we start in describing the physical processes in the case of spherical symmetric accretion.

The results of these calculations will be used to evaluate the upper limit to the number of the black holes in the Galaxy and to fit the γ-ray COS B experimental data of the quasar 3C 273 and to predict the neutrino fluxes from the directions of 3C 273 and the Galactic Center.

Keywords

Black Hole Galactic Center Neutrino Flux Production Spectrum Accretion Process 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media Dordrecht 1991

Authors and Affiliations

  • F. Giovannelli
    • 1
  • L. Sabau Graziati
    • 2
  • S. Karakula
    • 3
  • W. Tkaczyk
    • 3
  1. 1.Istituto di Astrofisica SpazialeCNRFrascatiItaly
  2. 2.Laboratorio de Astrofísica Espacial y Fisica FundamentalInstituto Nacional de Técnica AeroespacialTorrejon de Ardoz, MadridSpain
  3. 3.Institute of PhysicsUniversity of LodzLodzPoland

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