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説明
We have obtained the decay asymmetry parameters in non-mesonic weak decay of polarized Lambda-hypernuclei by measuring the proton asymmetry. The polarized Lambda-hypernuclei, 5_Lambda-He, 12_Lambda-C, and 11_Lambda-B, were produced in high statistics via the (pi^+,k^+) reaction at 1.05 GeV/c in the forward angles. Preliminary analysis shows that the decay asymmetry parameters are very small for these s-shell and p-shell hypernuclei.
4pages, 4figures, International Conference on Hypernuclear and Strange Particle Physics (HYP2003)
収録刊行物
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- Nuclear Physics A
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Nuclear Physics A 754 168-172, 2005-05-01
Elsevier BV