2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/39768The result for the matrix element A(I=2) = -0.14 F_pi^2 appears to be an artifact of an improper ultraviolet regularization. Paper withdrawn pending resolution of this problem.The result for the matrix element, A(I=2) = -0.14 F_pi^2, appears to be an artifact of an improper ultraviolet regularization. Paper withdrawn pending resolution of this problemHigh Energy Physics - Phenomenologytext