Implications of the Large Polarization Measured in Gamma Ray Bursts

The polarization of the prompt $\gamma$-ray emission has been measured in four bright gamma ray bursts (GRBs). It was nearly maximal in all cases, as predicted by the Cannonball (CB) model of GRBs long before the observations. These results are inconsistent with standard models of GRBs wherein the p...

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Detalles Bibliográficos
Autores principales: Dado, Shlomo, Dar, Arnon, De Rujula, A.
Lenguaje:eng
Publicado: 2007
Materias:
Astrophysics and Astronomy
Acceso en línea:http://cds.cern.ch/record/2214125
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author Dado, Shlomo
Dar, Arnon
De Rujula, A.
author_facet Dado, Shlomo
Dar, Arnon
De Rujula, A.
author_sort Dado, Shlomo
collection CERN
description The polarization of the prompt $\gamma$-ray emission has been measured in four bright gamma ray bursts (GRBs). It was nearly maximal in all cases, as predicted by the Cannonball (CB) model of GRBs long before the observations. These results are inconsistent with standard models of GRBs wherein the prompt emission is due to synchrotron radiation. A much smaller linear polarization is predicted by the CB model for the prompt emission in X-ray flashes (XRFs) and in extremely luminous GRBs. These measurements would provide yet another stringent test of the CB model and its unification of GRBs and XRFs.
id oai-inspirehep.net-742087
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2007
record_format invenio
spelling oai-inspirehep.net-7420872023-03-14T17:19:58Zhttp://cds.cern.ch/record/2214125engDado, ShlomoDar, ArnonDe Rujula, A.Implications of the Large Polarization Measured in Gamma Ray BurstsAstrophysics and AstronomyThe polarization of the prompt $\gamma$-ray emission has been measured in four bright gamma ray bursts (GRBs). It was nearly maximal in all cases, as predicted by the Cannonball (CB) model of GRBs long before the observations. These results are inconsistent with standard models of GRBs wherein the prompt emission is due to synchrotron radiation. A much smaller linear polarization is predicted by the CB model for the prompt emission in X-ray flashes (XRFs) and in extremely luminous GRBs. These measurements would provide yet another stringent test of the CB model and its unification of GRBs and XRFs.astro-ph/0701294astro-ph/0701294oai:inspirehep.net:7420872007
spellingShingle Astrophysics and Astronomy
Dado, Shlomo
Dar, Arnon
De Rujula, A.
Implications of the Large Polarization Measured in Gamma Ray Bursts
title Implications of the Large Polarization Measured in Gamma Ray Bursts
title_full Implications of the Large Polarization Measured in Gamma Ray Bursts
title_fullStr Implications of the Large Polarization Measured in Gamma Ray Bursts
title_full_unstemmed Implications of the Large Polarization Measured in Gamma Ray Bursts
title_short Implications of the Large Polarization Measured in Gamma Ray Bursts
title_sort implications of the large polarization measured in gamma ray bursts
topic Astrophysics and Astronomy
url http://cds.cern.ch/record/2214125
work_keys_str_mv AT dadoshlomo implicationsofthelargepolarizationmeasuredingammaraybursts
AT dararnon implicationsofthelargepolarizationmeasuredingammaraybursts
AT derujulaa implicationsofthelargepolarizationmeasuredingammaraybursts

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