A recoil separator for the measurement of radiative capture reactions

L. Gialanella, F. Strieder, K. Brand, L. Campajola, A. D'Onofrio, U. Greife, E. Huttel, F. Petrazzuolo, V. Roca, C. Rolfs, M. Romano, M. Romoli, S. Schmidt, W.H. Schulte, F. Terrasi, H.P. Trautvetter, D. Zahnow

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Abstract

A recoil separator in combination with a windowless gas target has been designed for the measurement of the radiative capture reaction p(7Be, γ)8B. The separator consists of momentum and velocity filters and a ΔE-E detector telescope. The setup was tested quantitatively using the p(12C, γ)13N reaction at the effective energy Ecm= 841 keV. Projectile fluxes were measured directly with Faraday cups and indirectly with elastic backscattering into Si detectors, while the13N recoil flux was measured directly with the ΔE-E telescope. A suppression of the12C beam particles by a factor 2 × 10-10was observed when the system was tuned for the recoil13N's. Special emphasis was given to the charge state probabilities of the13N recoils. Possible improvements of the system for the measurement of other capture reactions are discussed.
Original languageEnglish
Pages (from-to)174 - 184
Number of pages11
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume376
Issue number2
DOIs
Publication statusPublished - 1 Jul 1996
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation

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