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Mesonic and non-mesonic decay widths of Λ12C

✍ Scribed by H. Outa; S. Ajimura; K. Aoki; H. Bhang; T. Hasegawa; O. Hashimoto; H. Hotchi; Y.D. Kim; T. Kishimoto; K. Maeda; H. Noumi; Y. Ohta; K. Omata; H. Park; Y. Sato; M. Sekimoto; T. Shibata; T. Takahashi; M. Youn

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
225 KB
Volume
670
Category
Article
ISSN
0375-9474

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✦ Synopsis

Results are reported on the precise measurement of the lifetime and the weak-decay branching ratios with charged particle(g-and proton) emission from k2C formed via 12C(~r+,K+) reaction. The It-mesonic decay width is consistent with the calculations including the pion wave function distortion effect. We observed large contribution of the neutron-stimulated decay widths, r(A + n -~ n + n), in the non-mesonic weak decay, which cannot be explained by the current theoretical calculations.

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