dorsal/arxiv
View SchemaX-ray polarimetry with an active-matrix pixel proportional counter
| Authors | J. K. Black, P. Deines-Jones, S. E. Ready, R. A. Street |
|---|---|
| Categories | |
| ArXiv ID | physics/0303114 |
| URL | https://arxiv.org/abs/physics/0303114 |
| DOI | 10.1016/j.nima.2003.07.015 |
| Journal | Nucl.Instrum.Meth. A513 (2003) 639-643 |
Abstract
We report the first results from an X-ray polarimeter with a micropattern gas proportional counter using an amorphous silicon active matrix readout. With 100% polarized X-rays at 4.5 keV, we obtain a modulation factor of 0.33 +/- 0.03, confirming previous reports of the high polarization sensitivity of a finely segmented pixel proportional counter. The detector described here has a geometry suitable for the focal plane of an astronomical X-ray telescope. Amorphous silicon readout technology will enable additional extensions and improvements.
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"abstract": "We report the first results from an X-ray polarimeter with a micropattern gas\nproportional counter using an amorphous silicon active matrix readout. With\n100% polarized X-rays at 4.5 keV, we obtain a modulation factor of 0.33 +/-\n0.03, confirming previous reports of the high polarization sensitivity of a\nfinely segmented pixel proportional counter. The detector described here has a\ngeometry suitable for the focal plane of an astronomical X-ray telescope.\nAmorphous silicon readout technology will enable additional extensions and\nimprovements.",
"arxiv_id": "physics/0303114",
"authors": [
"J. K. Black",
"P. Deines-Jones",
"S. E. Ready",
"R. A. Street"
],
"categories": [
"physics.ins-det",
"astro-ph"
],
"doi": "10.1016/j.nima.2003.07.015",
"journal_ref": "Nucl.Instrum.Meth. A513 (2003) 639-643",
"title": "X-ray polarimetry with an active-matrix pixel proportional counter",
"url": "https://arxiv.org/abs/physics/0303114"
},
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