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http://hdl.handle.net/20.500.12386/27425
Titolo: | An XMM-Newton proton response matrix | Autori: | MINEO, TERESA LOTTI, Simone MOLENDI, SILVANO GHIZZARDI, SIMONA |
Data pubblicazione: | 2017 | Rivista: | EXPERIMENTAL ASTRONOMY | Numero: | 44 | Fascicolo: | 3 | Da pagina:: | 287 | Abstract: | Soft protons constitute an important source of background in focusing X-ray telescopes, as Chandra and XMM-Newton experience has shown. The optics in fact transmit them to the focal plane with efficiency similar to the X-ray photon one. This effect is a good opportunity to study the environment of the Earth magnetosphere crossed by the X-ray satellite orbits, provided that we can link the spectra detected by the instruments with the ones impacting on the optics. For X-ray photons this link has the form of the so-called response matrix that includes the optics effective area and the energy redistribution in the detectors. Here we present a first attempt to produce a proton response matrix exploiting ray-tracing and GEANT4 simulations with the final aim to be able to analyse XMM-Newton soft proton data and link them to the external environment. If the procedure is found to be reliable, it can be applied to any future X-ray missions to predict the soft particles spectra impacting on the focal plane instruments. | URI: | http://hdl.handle.net/20.500.12386/27425 | URL: | https://link.springer.com/article/10.1007%2Fs10686-017-9548-z | ISSN: | 0922-6435 | DOI: | 10.1007/s10686-017-9548-z | Bibcode ADS: | 2017ExA....44..287M | Fulltext: | open |
È visualizzato nelle collezioni: | 1.01 Articoli in rivista |
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