- Conference date: 4-9 September 2005
- Location: Notre Dame, Indiana (USA)
This paper presents two original direct mass‐measurement techniques developed at GANIL using the CSS2 and CIME cyclotrons as high‐resolution mass spectrometers. The mass measurement with the CSS2 cyclotron is based on a time‐of‐flight method along the spiral trajectory of the ions inside the cyclotron. The atomic mass excesses of 68Se and 80Y recently measured with this technique are −53.958(246) MeV and −60.971(180) MeV, respectively. The new mass‐measurement technique with the CIME cyclotron is based on the sweep of the acceleration radio‐frequency of the cyclotron. Tests with stable beams have been performed in order to study the accuracy of this new mass‐measurement method and to understand the systematic errors.
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