TY - RPRT TI - Neutrinoless double beta decay from lattice QCD: The short-distance π − → π + e − e − amplitude AU - Detmold, W. AU - Jay, W. I. (ORCID:000000025918222X) AU - Murphy, D. J. AU - Oare, P. R. (ORCID:0000000282446158) AU - Shanahan, P. E. PY - 2023 DO - 10.1103/physrevd.107.094501 UR - https://www.osti.gov/biblio/1972375 ID - 1972375 ER -