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Partial transitions in the nonmesonic decay of hypernuclei

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Partial transitions between initial and final states of definite relative angular momentum are studied for the nonmesonic weak decay of 12 Λ C . Compact expressions for the matrix elements in momentum space are given for nucleons in any orbital. It is shown that, in contrast to nuclear matter, the S→S and S→P transitions contribute significantly to the total rate. Implications are discussed for the ratio of the neutron- to proton-induced rates and of the parity-violating to parity-conserving transitions. Furthermore, transitions coming from initial relative ΛN P states are shown to be small.

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BENNHOLD, Cornelius and RAMOS GÓMEZ, Àngels. Partial transitions in the nonmesonic decay of hypernuclei. Physical Review C. 1992. Vol. 45, num. 6, pags. 3017-3020. ISSN 0556-2813. [consulted: 25 of June of 2026]. Available at: https://hdl.handle.net/2445/12234

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