Hostname: page-component-848d4c4894-89wxm Total loading time: 0 Render date: 2024-07-06T22:18:59.609Z Has data issue: false hasContentIssue false

GRB emission in Neutron Star transitions

Published online by Cambridge University Press:  22 July 2013

M.A. Pérez-García
Affiliation:
Departament of Fundamental Physics and IUFFyM, University of Salamanca, Plaza de la Merced s/n 37008 Salamanca, Spain
F. Daigne
Affiliation:
UPMC-CNRS, UMR 7095, Institut d’Astrophysique de Paris, 75014 Paris, France
J. Silk
Affiliation:
Oxford Physics, University of Oxford, Keble Road OX1 3RH, Oxford, UK
Get access

Abstract

In this contribution we briefly introduce a mechanism for short gamma ray burst emission different from the usually assumed compact objects binary merger progenitor model. It is based on the energy release in the central regions of neutron stars. This energy injection may be due to internal self-annihilation of dark matter gravitationally accreted from the galactic halo. We explain how this effect may trigger its full or partial conversion into a quark star and, in such a case, induce a gamma ray burst with isotropic equivalent energies in agreement with those measured experimentally. Additionally, we show how the ejection of the outer crust in such events may be accelerated enough to produce Lorentz factors over those required for gamma ray emission.

Type
Research Article
Copyright
© EAS, EDP Sciences 2013

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Bhattacharyya, A., Ghosh, S.K., Joarder, P.S.,Mallick, R., & Raha, S., 2006, Phys. Rev. C, 74, 065804 CrossRef
Bertone, G., 2010, ed., Particle Dark Matter: Observations, Models and Searches (Cambridge University Press), ISBN 978-0-521-76368-4
Cottam, J., Paerels, F., & Mendez, M., 2002, Nature, 420, 51 CrossRef
Demorest, P.B., Pennucci, T., Ransom, S.M., et al., 2010, Nature, 467, 1081 CrossRef
Glendenning, N.K., 2000, Compact stars (Springer-Verlag, New York)
Kouveliotou, C., Meegan, C.A., Fishman, G.J., et al., 1993, ApJ, 413, L101 CrossRef
Lopresto, J.C., Schrader, C., & Pierce, A.K., 1991, ApJ, 376, 757 CrossRef
Oppenheimer, J.R., & Volkoff, G.M., 1939, Phys. Rev., 55, 374 CrossRef
Pérez-García, M.A., Silk, J., & Stone, J.R., 2010, Phys. Rev. Lett., 105, 141101 CrossRef
Pérez-García, M.A., & Silk, J., 2012, Phys. Lett. B, 711, 6 CrossRef
Pérez-García, M.A., Daigne, F., & Silk, J., 2012, submitted
Sugahara, Y., & Toki, H., 1994, Nucl. Phys. A, 579, 557 CrossRef
Toki, H., Hirata, D., Sugahara, Y., et al., 1995, Nucl. Phys. A, 588, 357 CrossRef