A multifoil carbon polarimeter for protons between 20 and 84 MeV

M. Ieiri, H. Sakaguchi, M. Nakamura, H. Sakamoto, H. Ogawa, M. Yosol, T. Ichihara, N. Isshiki, Y. Takeuchi, H. Togawa, T. Tsutsumi, S. Hirata, T. Nakano, S. Kobayashi, T. Noro, H. Ikegami

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40 Citations (Scopus)


A new type of polarimeter has been built for protons between 20 and 84 MeV. It is a ray trace type with a multifoil of carbon, multiwire proportional chambers and plastic scintillators. The polarimeter distinguishes between elastic and inelastic scattering from carbon foil and has a large solid angle acceptance (∼ 470 msr) from the carbon foil. The effective analyzing power and the effective efficiency for practical use are estimated at 0.84 and 1.7 × 10-4 in the vicinity of 60 MeV, respectively. To evaluate these values, cross sections and analyzing powers for p-C elastic scattering have been measured for laboratory scattering angles between 15° and 80° at 19 energies from 21.1 to 83.8 MeV.

Original languageEnglish
Pages (from-to)253-278
Number of pages26
JournalNuclear Inst. and Methods in Physics Research, A
Issue number2
Publication statusPublished - Jun 15 1987
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation


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