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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/4036
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dc.contributor.authorCowsik, Ramanath-
dc.contributor.authorPaul, Biswajit-
dc.contributor.authorDuraichelvan, R.-
dc.contributor.authorRishin, P.V.-
dc.date.accessioned2011-04-08T09:24:53Z-
dc.date.available2011-04-08T09:24:53Z-
dc.date.issued2010-
dc.identifier.citationX-ray Polarimetry: A New Window in Astrophysics, edited by R. Bellazzini, E. Costa, G. Matt and G. Tagliaferri, Book Chapter, P345 , Cambridge University Press, 2010, (proceedings of "The Coming of Age of X-ray Polarimetry," Rome, Italy, April 27-30, 2009)en
dc.identifier.isbn9780521191845-
dc.identifier.urihttp://hdl.handle.net/2289/4036-
dc.descriptionRestricted Access.en
dc.description.abstractWe present here the design and estimated sensitivity of a hard X-ray polarimeter suitable for a small-satellite mission. Polarization fraction and direction of the X-rays from astronomical objects will be measured by recording the azimuthal anisotropy in the intensity of X-rays subsequent to their Thomson scattering on a circular disk of a light element like Li or Be. Extreme care is taken to make the instrument as azimuthally symmetric as possible and thus avoid spurious anisotropies from being seen. After describing the design of the present instrument, we present a semi-analytic calculation of the angular distribution of the scattered Xrays, taking explicitly into account the competing effects of photoelectric absorption. Thereafter, we derive the sensitivity of the instrument to measure the polarization fraction and the direction for astronomical sources with two possible spectral characteristics - a power law and thermal bremsstrahlung.en
dc.language.isoenen
dc.publisherCambridge University pressen
dc.rights2010 Cambridge University Pressen
dc.titleHard X-ray polarimeter for small satellite missionsen
dc.typeBook chapteren
Appears in Collections:Research Papers (A&A)

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