Recoil separator ERNA: gas target and beam suppression
- L. Gialanella
- D. Schürmann
- F. Strieder
- N. De Cesare
- A. D’Onofrio
- J. Klug
- C. Lubritto
- A. Ordine
- H. Röcken
- C. Rolfs
- D. Rogalla
- F. Schümann
- F. Terrasi
- H. P. Trautvetter
- DI LEVA, ANTONINO
- IMBRIANI, GIANLUCA
- ROCA, VINCENZO
- ROMANO, MARIO
DOIAbstract
For improved cross-section measurements of the reaction 12C(α,γ)16O in inverted kinematics, a recoil separator ERNA is developed at the 4 MV Dynamitron tandem accelerator in Bochum to detect directly the 16O recoils with high efficiency. The 16O recoils are produced by the 12C projectiles in a windowless 4He gas target. We report on the pressure profile of the gas target, the beam suppression by the separator, and the first observation of the 16O recoils at selected energies
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