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We discuss the possibility of the non-one-neutron emission channels in thecold fusion reaction $^{70}$Zn + $^{209}$Bi to produce the element Z=113. Forthis purpose, we calculate the evaporation-residue cross sections ofone-proton, radiative-capture, and two-neutron emissions relative to theone-neutron emission in the reaction $^{70}$Zn + $^{209}$Bi. To estimate theupper bounds of those quantities, we vary model parameters in the calculations,such as the level-density parameter and the height of the fission barrier. Weconclude that the highest possibility is for the 2n reaction channel, and itsupper bounds are 2.4$%$ and at most less than 7.9% with unrealistic parametervalues, under the actual experimental conditions of [J. Phys. Soc. Jpn. {\bf73} (2004) 2593].

Calculations of Branching Ratios for Radiative-Capture, One-Proton, and Two-Neutron Channels in the Fusion Reaction $^{209}$Bi+$^{70}$Zn