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Sensitivity modeling for LiteBIRD

Abstract: LiteBIRD is a future satellite mission designed to observe the polarization of the cosmic microwave background radiation in order to probe the inflationary universe. LiteBIRD is set to observe the sky using three telescopes with transition-edge sensor bolometers. In this work we estimated the LiteBIRD instrumental sensitivity using its current design. We estimated the detector noise due to the optical loadings using physical optics and ray-tracing simulations. The noise terms associated with thermal carrier and readout noise were modeled in the detector noise calculation. We calculated the observational sensitivities over fifteen bands designed for the LiteBIRD telescopes using assumed observation time efficiency.

 Fuente: Journal of Low Temperature Physics, 2023, 211(5-6), 384-397

 Editorial: Springer

 Fecha de publicación: 01/06/2023

 Nº de páginas: 14

 Tipo de publicación: Artículo de Revista

 DOI: 10.1007/s10909-022-02921-7

 ISSN: 0022-2291,1573-7357

 Proyecto español: PID2019-110610RB-C21

 Url de la publicación: https://doi.org/10.1007/s10909-022-02921-7