Pulsar gamma-ray lines from quarkonium systems

Details Pulsar gamma-ray lines from quarkonium systems Pulsar gamma-ray lines from quarkonium systems

Jul 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983aipc..101..204k&link_type=abstract

IN: Positron-electron pairs in astrophysics; Proceedings of the Workshop, Greenbelt, MD, January 6-8, 1983 (A85-31276 13-90). Ne

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Computation

Antiparticles, Gamma Ray Spectra, Line Spectra, Particle Collisions, Pulsars, Quarks, Charm (Particle Physics), Computational Astrophysics, Electron Beams, Particle Density (Concentration), Positrons, Pulsar Magnetospheres, Stellar Atmospheres

Scientific paper

Excited states of heavy quark-antiquark systems (quarkonium) might be created by colliding electron-positron beams in the magnetospheres of gamma-ray pulsars. The hypothesis that radiative transitions to the ground state, in particular of charmonium, may lead to observable fluxes of gamma-ray lines in the 120-450 MeV range is investigated, and the estimates to the continuum flux expected from curvature radiation are compared. If the particle density in the source volumes is high enough the lines could be resolvable with the next generation of high-energy gamma-ray telescopes (Gamma Ray Observatory).

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