Mn. Achasov et al., Measurement of the relative probability of phi ->eta gamma decay in the eta ->pi(+)pi(-)pi(0) channel, J EXP TH PH, 90(1), 2000, pp. 17-23
The relative decay probability B(phi --> eta gamma) = (1.259 +/- 0.030 +/-
0.059)% in the decay channel eta --> pi(+)pi(-)pi(0) has been measured in a
n experiment using a spherical neutral detector in the VEPP-2M electron-pos
itron storage ring. The result agrees with the tabulated value and with mea
surements of this probability using the spherical neutral detector in other
eta-meson decay channels. (C) MAIK "Nauka/ Interperiodica".