Title: Absorption of stopped negative pions in the heavy nuclei ¹⁶⁵Ho, ¹⁸¹Ta, ¹⁹⁷Au, natTI, natPb, ²°⁹Bi, ²³⁸U and the nickel isotopes ⁵⁸Ni, ⁶°Ni, ⁶²Ni, ⁶⁴Ni