Current measurement on MeV energy ion beams

F. Pászti, A. Manuaba, C. Hajdu, A. A. Melo, M. F. Da Silva

Research output: Contribution to journalArticle

92 Citations (Scopus)

Abstract

It is a crucial problem to obtain the number of incident particles in MeV energy ion beam techniques. To solve this problem a simple but powerful method, the transmission Faraday cup is suggested. A rotating beam chopper periodically detects the beam current. To eliminate the disturbing current of the secondary electrons it is surrounded on both sides by a Faraday cup. Additional mechanical shields as well as electrostatic and magnetic fields keep away the charged particles different from the ions of the incident beam. The (p, γ) reaction and He RBS test measurements show that the particle number reproducibility is better than 1% and 2%, respectively. The reproducibility in the charge measurement was found to be ~ 0.6%.

Original languageEnglish
Pages (from-to)187-192
Number of pages6
JournalNuclear Inst. and Methods in Physics Research, B
Volume47
Issue number2
DOIs
Publication statusPublished - Apr 1 1990

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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