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High Energy Cosmic Rays from Young Neutron Stars

Published online by Cambridge University Press:  04 August 2017

Shigeki Miyaji
Shigeki Miyaji*
Affiliation:
Space Science Laboratory, NASA/Marshall Space Flight Center Huntsville, Alabama 35812, USA *On leave from Department of Natural History, Chiba University, Chiba, 260, Japan **NAS/NRC Resident Research Associate

Extract

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Cosmic ray spectrum has an intensity enhancement at energy range 1014–16 eV/nuc. Recently Takahasi et al. (1986) called an attention to chemical composition there. Although the data still contain large uncertainties, they argued an overabundance of calcium at high energies (Ca/Fe ≥ 2 above 1014 eV/nucleus) and some enhancements of medium heavy nuclei (C ∼ Ar) instead of no anomalous p, He, and Fe abundances.

Type
VI. Other Manifestations of Neutron Stars and Their Place in Neutron Star Evolution
Information
Symposium - International Astronomical Union , Volume 125: The Origin and Evolution of Neutron Stars , 1987 , pp. 554
Copyright
Copyright © Reidel 1987 

References

Takahaski, Y., Miyaji, S., Parnell, T. A., Weisskopf, M. C., Hayashi, T., and Nomoto, K., 1986 Nature (in press).Google Scholar