Review of the Particle Background of the Athena X-IFU Instrument

X-ray observations are limited by the background, due to intrinsic faintness or diffuse nature of sources. The future Athena observatory has among its goals characterization these We aim at characterizing particle-induced background microcalorimeter, in both low (Soft Protons) and high (GCR) energy induced components, assess instrument capability characterize dominated sources such as outskirts clusters galaxies. compare two radiation environments, namely L1 L2 Lagrangian points, derive indications against latter. estimate level on X-IFU microcalorimeter with Monte Carlo simulations, before after all solutions adopted reduce level. Concerning GCR component is compliant mission requirement. Regarding Soft Protons component, analysis does not predict dramatically different backgrounds orbits. However, lack data concerning environment labels it very weakly characterizable, thus we advise choice orbit for missions. then use levels simulate observation a typical galaxy cluster from center out 1.2 R200 probe capabilities outskirts. find that without any reduction possible properties outer regions. also no improvement when carried during solar maximum respect minimum conditions.