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Isospin mixing in the 4 + doublet of 54 Co (2003)

Brentano, P. ; Lisetskiy, A. F. ; Pietralla, N. ; [et al.]

Springer

The European physical journal 20 (2003), S. 129-130

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ISSN: 1434-601X

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract. The T = 1 admixture into the T = 0 member of a recently discovered $J^\pi = 4^{ + }$ isospin-doublet in 54Co is obtained from the measured electromagnetic E2/M1 multipole mixing ratio, $\delta = 0.12(4)$ of the $T = 0, 4^{ + } \rightarrow T = 0, 3^{ + }$ transition. Combining these data with shell model calculations for strong isovector M1 and isoscalar E2 electromagnetic matrix elements one obtains a value for the T = 1 admixture into the T = 0, 4 + state of $0.23_{-0.10}^{ + 0.29}\%$ . The corresponding mixing matrix element in the 4 + doublet is $V_{\rm mix} = 10$ keV.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1140/epja/i2002-10337-8

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