TY - RPRT TI - Improved simulation of beam backgrounds and collimation at SuperKEKB AU - Natochii, A. (ORCID:000000021076814X) AU - Vahsen, S. E. (ORCID:0000000316859824) AU - Nakayama, H. (ORCID:0000000220309967) AU - Ishibashi, T. (ORCID:0000000317119908) AU - Terui, S. (ORCID:0000000152119079) PY - 2021 DO - 10.1103/physrevaccelbeams.24.081001 UR - https://www.osti.gov/biblio/1812426 ID - 1812426 ER -