The β-moments for the second-forbidden β-decay from137Cs, the CVC theory, and the residual interactions

Szybisz, L.

doi:10.1007/bf01669055

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2006

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Cited by 6 publications

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“…[10], a complete theoretical expression for the shape factor function C(W ) of 87 Rb can be derived in a straightforward way, starting from the formulae given by Preston et al [17] and following the procedure given in Ref. [18] for second forbidden transitions. The shape factor function follows the formula:…”

Section: Theorymentioning

confidence: 99%

New advances in the determination of the 87Rb shape factor function

Carles

Kossert

2006

Nuclear Physics A

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Section: Theorymentioning

confidence: 99%

New advances in the determination of the 87Rb shape factor function

Carles

Kossert

2006

Nuclear Physics A

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The half-life of10Be and the renormalization of the axial-vector coupling constant

Szybisz¹

1975

Z Physik A

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Abstract. The unique second-forbidden /I-transition 0+(555.9keV /:r + of 1~ was analyzed in detail. The half-life T~/2 was calculated in the best possible way. Special attention was bestowed on the higher order corrections and a careful treatment of the errors performed. The theoretical half-life was obtained to be T1/2 = (1.31 _+ 0.15) x 106 yr. Although this result, within the uncertainties, appears to be in agreement with the experimental value T1. 2 = (1.59 + 0.16) x 10 6 yr, its mean value is slightly smaller than that of the experimental. This fact is attributed to the renormalization of the axial vector coupling constant C A. The phenomenological magnitude of this renormalization, ps gc =0.923 +0.096, was found to be in excellent agreement with the "fundamental" renormalization derived from the PCAC hypothesis and the exchange effects in the pionic vertex, namely Pv -~ 0.93.

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Recursion relation among 9-j symbols and the ratiosu L for nonuniqueL-th forbidden Β-transitions

Szybisz

Rao

1975

Lett. Nuovo Cimento

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The β-moments for the second-forbidden β-decay from137Cs, the CVC theory, and the residual interactions

Cited by 6 publications

References 26 publications

New advances in the determination of the 87Rb shape factor function

New advances in the determination of the 87Rb shape factor function

The half-life of10Be and the renormalization of the axial-vector coupling constant

Recursion relation among 9-j symbols and the ratiosu L for nonuniqueL-th forbidden Β-transitions

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