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X-Ray Polarimetry Workshop SLAC, Stanford, California 9-11 February 2004 |
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The X-ray Polarimetry Explorer (XPE)
Brian
Ramsey
NASA
brian.ramsey@nasa.gov
Brian Ramsey for the XPE Collaboration
We present details of a Thomson scattering polarimeter suitable for a small-explorer-class mission. Termed XPE, for X-Ray Polarimetry Explorer, the instrument consists of a beryllium scattering cone surrounded by an annular multiwire proportional counter which registers the energy and position of scattered source photons. The polarimeter is sensitive over an energy range of 7-27 keV and will achieve 3% minimum detectable polarization of Her X-1 in a ½- day observation, and cover a 30-target core observation program, at the same sensitivity level, in approximately 8 months.
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For more information, contact
Jennifer Formichelli |
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