Measurement of the branching ratio of theHe6β-decay channel into the | Zendy

R. Raabe | Zendy; J. Büscher | Zendy; J. Ponsaers | Zendy; F. Aksouh | Zendy; M. Huýse | Zendy; O. Ivanov | Zendy; S. R. Lesher | Zendy; I. Mukha | Zendy; D. Pauwels | Zendy; M. Sawicka | Zendy; D. Smirnov | Zendy; I. Ştefânescu | Zendy; J. Van de Walle | Zendy; P. Van Duppen | Zendy; C. Angulo | Zendy; J. Cabrera | Zendy; N. de Séréville | Zendy; I. Martel | Zendy; Á. M. Sánchez-Benítez | Zendy; C. Aa. Diget | Zendy

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Measurement of the branching ratio of theHe6β-decay channel into the<…

Author(s) -

R. Raabe,

J. Büscher,

J. Ponsaers,

F. Aksouh,

M. Huýse,

O. Ivanov,

S. R. Lesher,

I. Mukha,

D. Pauwels,

M. Sawicka,

D. Smirnov,

I. Ştefânescu,

J. Van de Walle,

P. Van Duppen,

C. Angulo,

J. Cabrera,

N. de Séréville,

I. Martel,

Á. M. Sánchez-Benítez,

C. Aa. Diget

Publication year - 2009

Publication title -

physical review c

Language(s) - English

Resource type - Journals

eISSN - 1089-490X

pISSN - 0556-2813

DOI - 10.1103/physrevc.80.054307

Subject(s) - physics , branching fraction , spectral line , atomic physics , algorithm , mathematics , quantum mechanics

We measured the deuteron-emission branch of the beta decay of the halo nucleus He-6 using the technique of implantation into a highly segmented silicon detector. The method, used here for the first time with a beam of He-6 ions, ensures precise normalization; the value obtained for the branching ratio is B=(1.65 +/- 0.10)x10(-6) (6% error). The summed energy spectra of the emitted alpha and d particles has also been measured. The results allow us to compare calculations from various models, potentially setting strong constraints on the precision required for the description of the He-6 ground-state wave function

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