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Mitigating the effects of particle background on the Athena Wide Field Imager

Miller, Eric D.; Kraft, Ralph; Gastaldello, Fabio +16 more

The Wide Field Imager (WFI) flying on Athena will usher in the next era of studying the hot and energetic Universe. Among Athena's ambitious science programs are observations of faint, diffuse sources limited by statistical and systematic uncertainty in the background produced by high-energy cosmic ray particles. These particles produce easily ide…