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$Q$-value of the superallowed $\beta$ decay of 62Ga

Abstract : Masses of the radioactive isotopes 62Ga, 62Zn and 62Cu have been measured at the JYFLTRAP facility with a relative precision of better than 18 ppb. A Q_EC value of (9181.07 +- 0.54) keV for the superallowed decay of 62Ga is obtained from the measured cyclotron frequency ratios of 62Ga-62Zn, 62Ga-62Ni and 62Zn-62Ni ions. The resulting Ft-value supports the validity of the conserved vector current hypothesis (CVC). The mass excess values measured were (-51986.5 +-1.0) keV for 62Ga, (-61167.9 +- 0.9) keV for 62Zn and (-62787.2 +- 0.9) keV for 62Cu.
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Contributor : Dominique Girod <>
Submitted on : Tuesday, June 13, 2006 - 10:12:17 AM
Last modification on : Thursday, January 11, 2018 - 6:12:51 AM

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T. Eronen, V. Elomaa, U. Hager, J. Hakala, A. Jokinen, et al.. $Q$-value of the superallowed $\beta$ decay of 62Ga. Physics Letters B, Elsevier, 2006, 636, pp.191-196. ⟨10.1016/j.physletb.2006.03.062⟩. ⟨in2p3-00079539⟩



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