“…The inclusive radiative decay B + → K + π − π + γ has already been observed at the B factories with branching fraction B = (27.6 ± 1.8) × 10 −6 [3][4][5]. Some exclusive decay modes have also been observed, such as B + → K 1 (1270) + γ [6] or B + → K * 2 (1430) + γ [3,7].…”