Dalitz plot analysis of the decay ω → π + π − π 0
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Engineering topics
Publications and source records attributed to Held, T..
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The charm semileptonic decays D + → ηe + v e and D + → η'e+v e are studied with a sample of e + e - collision data corresponding to an integrated luminosity of 2.93 fb -1 collected at $ \sqrt{s}=3.773 $ GeV with the BESIII detector. We measure the branching fractions for D+ → ηe+v e to be (10.74 ± 0.81 ± 0.51) x 10 -4 , and for D+ → → η'e+v e to be (1.91 ± 0.51 ± 0.13) x 10 -4 , where the uncertainties are statistical and systematic, respectively. In addition, we perform a measurement of the form factor in the decay D+ → ηe+v e . All the results are consistent with those obtained by the CLEO-c experiment.
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