Proton asymmetry in non-mesonic weak decay of light hypernuclei

Details Proton asymmetry in non-mesonic weak decay of light hypernuclei Proton asymmetry in non-mesonic weak decay of light hypernuclei

2004-02-24

arxiv.org/abs/nucl-ex/0402017v1

Nucl.Phys. A754 (2005) 168-172

Physics

Nuclear Physics

Nuclear Experiment

4pages, 4figures, International Conference on Hypernuclear and Strange Particle Physics (HYP2003)

Scientific paper

10.1016/j.nuclphysa.2005.02.159

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.

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