Tomaschitz, R. (2007). Superluminal γ-rays from the Crab pulsar, Astroparticle Physics 27, 92-98, DOI: 10.1016/j.astropartphys.2006.09.003


Abstract (ScienceDirect, SAO/NASA ADS)

A tachyonic spectral fit to the pulsed γ-ray flux of the Crab is performed, based on the superluminal spectral densities generated by ultra-relativistic electrons. The γ-ray wideband of the pulsar can be reproduced by a tachyonic cascade spectrum, capable of generating the spectral curvature in double-logarithmic plots as well as the extended spectral plateau defined by COMPTEL and EGRET flux points in the MeV band. Estimates on the magnetospheric electron population generating the radiation are inferred from the spectral fit, such as power-law indices, electron temperature and the electronic source count.


Keywords: Superluminal cascade spectra; Tachyonic γ-rays; Longitudinal polarization; PSR B0531+21

PACS classification codes: 95.30.Gv; 11.10.Lm; 97.60.Gb; 98.70.Sa


Article Outline

1. Introduction

2. Superluminal spectral densities and spectral averages

3. Tachyonic cascade spectra and spectral fits

4. Conclusion








Superluminal γ-rays from the Crab pulsar



Tomaschitz, Roman



AA(Department of Physics, Hiroshima University, 1-3-1 Kagami-yama, Higashi-Hiroshima 739-8526, Japan. Tel.: +81 824 247361; fax: +81 824 240717.)



Astroparticle Physics, Volume 27, Issue 1, p. 92-98. (APh Homepage)

Publication Date:








95.30.Gv, 11.10.Lm, 97.60.Gb, 98.70.Sa




Bibliographic Code:





description: Roman Tomaschitz (2007) Superluminal γ-rays from the Crab pulsar, Astroparticle Physics 27, 92.


Keywords: superluminal cascade spectra, pulsed tachyonic γ-ray flux, transversal and longitudinal tachyons, negative mass-square, superluminal spectral densities of ultra-relativistic electrons, magnetospheric electron plasma, tachyonic spectral map of the Crab pulsar, PSR B0531+21, spectral curvature and spectral plateaus, COMPTEL, EGRET, superluminal gamma-rays, polarized tachyonic gamma-ray cascades


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