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19 April 2024 |
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Statistical Uncertainty in the Re-Analysis of Polarization in GRB021206 | | Steven E. Boggs
; Wayne Coburn
; | | Date: |
17 Oct 2003 | | Subject: | astro-ph | | Abstract: | We recently reported the first detection of an astrophysical gamma-ray polarization from GRB021206 using the Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI) spacecraft. Our analysis suggested gamma-ray polarization at an astoundingly high level, 80+/-20%. A recent manuscript re-analyzes this event in the RHESSI data, and sets an upper limit on potential polarization of 4.1% -- clearly inconsistent with our initial analysis. This manuscript raises a number of important concerns about the analysis, which are already being addressed in a separate methods paper under preparation. We note here, however, that the limit set on the potential polarization by this re-analysis is significantly underestimated using their novel statistical methods. | | Source: | arXiv, astro-ph/0310515 | | Services: | Forum | Review | PDF | Favorites | |
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