Searching for a leptophobic B boson through η → π0γγ and ηʹ → π0γγ decays Rafel Escribano, Sergi Gonzàlez-Solís and Emilio Royo EPJ Web Conf., 274 (2022) 06002 Published online: 22 December 2022 DOI: 10.1051/epjconf/202227406002