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The WITCH experiment: Acquiring the first recoil ion spectrum
V. Yu. Kozlov, M. Beck, S. Coeck +12
The standard model of the electroweak interaction describes beta-decay in the well-known V-A form. Nevertheless, the most general Hamiltonian of a beta-decay includes also other po…
Coulomb excitation of Ni at safe energies
N. Bree, I. Stefanescu, P. A. Butler +29
The value in Ni has been measured using Coulomb excitation at safe energies. The Ni radioactive beam was post-accelerated at the ISOLDE facility (CE…
Precise half-life measurement of the 26Si ground state
I. Matea, J. Souin, J. Aysto +18
The beta-decay half-life of 26Si was measured with a relative precision of 1.4*10e3. The measurement yields a value of 2.2283(27) s which is in good agreement with previous measure…
High-precision mass measurements of nickel, copper, and gallium isotopes and the purported shell closure at N=40
C. Guenaut, G. Audi, D. Beck +11
High-precision mass measurements of more than thirty neutron-rich nuclides around the Z=28 closed proton shell were performed with the triple-trap mass spectrometer ISOLTRAP at ISO…
The WITCH Experiment: towards weak interactions studies. Status and prospects
V. Yu. Kozlov, M. Beck, S. Coeck +8
Primary goal of the WITCH experiment is to test the Standard Model for a possible ad-mixture of a scalar or tensor type interaction in beta-decay. This information will be inferred…
"Safe" Coulomb Excitation of 30Mg
O. Niedermaier, H. Scheit, V. Bildstein +9
We report on the first radioactive beam experiment performed at the recently commissioned REX-ISOLDE facility at CERN in conjunction with the highly efficient gamma spectrometer MI…