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Ultra high energy cosmic rays and pulsars

A D Erlykin1,2, A A Mikhailov3 and A W Wolfendale1

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An analysis is made of possible near-coincidences of the arrival directions of ultra high energy cosmic rays, namely those above about 1019 eV, and pulsars within 3 kpc of the Sun, the pulsar data having come from Taylor et al (1993 Astrophys. J. Suppl. 88 529). In the experiment of Mikhailov and Nikiforova (2001 Proc. 27th Int. Cosmic Ray Conf. (Hamburg) vol 1 p 417) there are interesting near-coincidences, specifically with pulsars having very high electric potential differences near the pulsar surface, and in the important world survey for energies above 4 × 1019 eV (Nagano M and Watson A A 2000 Rev. Med. Phys. 72 689), there is an intriguing excess, above chance, for spun-up pulsars.


PACS

97.60.Gb Pulsars

96.50.S- Cosmic rays

98.70.Sa Cosmic rays (including sources, origin, acceleration, and interactions)

Subjects

Particle physics and field theory

Astrophysics and astroparticles

Dates

Issue 8 (August 2002)

Received 22 March 2002

Published 21 June 2002



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