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2004-02-26
pi^0 decay branching ratios of 5_Lambda-He and 12_Lambda-C hypernuclei
S. OkadaS. AjimuraK. AokiA. BanuH. C. BhangT. FukudaO. HashimotoJ. I. HwangS. KameokaB. H. KangE. H. KimJ. H. KimM. J. KimT. MarutaY. MiuraY. MiyakeT. NagaeM. NakamuraS. N. NakamuraH. NoumiY. OkayasuH. OutaH. ParkP. K. SahaY. SatoM. SekimotoT. TakahashiH. TamuraK. TanidaA. ToyodaK. TsukadaT. WatanabeH. J. Yim
文献摘要
We precisely measured pi^0 branching ratios of 5_Lambda-He and 12_Lambda-C hypernuclei produced via (pi^+,k^+) reaction. Using these pi^0 branching ratios with the pi^- branching ratios and the lifetimes, we obtained the pi^0 decay widths and the non-mesonic weak decay widths at high statistics with the accuracy of ~5 % (stat) for both hypernuclei.
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