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- W2196872922 abstract "The decays $chi_{cJ}togamma V$ ($V=phi, rho^0, omega$) are studied with a sample of radiative $psiptogammachi_{cJ}$ events in a sample of $(1.06pm0.04)times 10^{8} psip$ events collected with the BESIII detector. The branching fractions are determined to be: ${cal B}(chi_{c1}to gammaphi)=(25.8pm 5.2pm 2.3)times 10^{-6}$, ${cal B}(chi_{c1}to gammarho^0)=(228pm 13pm 22)times 10^{-6}$, and ${cal B}(chi_{c1}to gammaomega)=(69.7pm 7.2pm 6.6)times 10^{-6}$. The decay $chi_{c1}to gammaphi$ is observed for the first time. Upper limits at the 90% confidence level on the branching fractions for $chi_{c0}$ and $chict$ decays into these final states are determined. In addition, the fractions of the transverse polarization component of the vector meson in $chi_{c1}to gamma V$ decays are measured to be $0.29_{-0.12-0.09}^{+0.13+0.10}$ for $chi_{c1}to gammaphi$, $0.158pm 0.034^{+0.015}_{-0.014}$ for $chi_{c1}to gammarho^0$, and $0.247_{-0.087-0.026}^{+0.090+0.044}$ for $chi_{c1}to gammaomega$, respectively. The first errors are statistical and the second ones are systematic." @default.
- W2196872922 created "2016-06-24" @default.
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