Λ polarization measurement of the π−p → K0Λ reaction in J-PARC E40 experiment Tamao Sakao, Ryotaro Honda, Koji Miwa, Yoshiyuki Nakada, Takuya Nanamura, Toshiyuki Takahashi, Mifuyu Ukai and Takeshi Yamamoto EPJ Web Conf., 271 (2022) 02008 Published online: 09 November 2022 DOI: 10.1051/epjconf/202227102008