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Published March 1, 1994 | Published
Journal Article Open

Cosmic-ray antiprotons from neutralino annihilation into gluons


We estimate the flux of cosmic-ray antiprotons expected from the annihilation of neutralinos in the galactic halo. The antiproton signal may offer an important alternative detection scheme in the case that neutralino annihilation proceeds mainly to the two-gluon final state.

Additional Information

© 1994 The American Physical Society Received 18 October 1993 We thank G. Tarle, H. Frisch, and A. Yagil for helpful discussions and suggestions. M.K. acknowledges the hospitality of the Center for Particle Astrophysics at the University of California at Berkeley and the Aspen Center for Physics where part of this work was completed. M.K. was supported by the Texas National Research Laboratory Commission, and by the U.S. Department of Energy under Contract No. DE-FG02-90ER405042. G.J. was supported by the U.S. D.O.E. under Contract No. DE-FG02-90ER40560 at the Enrico Fermi Institute, and under Contract No. DE-FG02-85ER40231 at Syracuse University.

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August 22, 2023
August 22, 2023