Performance of neutron polarimeter SMART-NPOL

S. Noji, K. Miki, K. Yako, T. Kawabata, H. Kuboki, H. Sakai, K. Sekiguchi, K. Suda

研究成果: Article査読

2 被引用数 (Scopus)

抄録

The neutron polarimeter SMART-NPOL has been constructed at the RIKEN Accelerator Research Facility for measuring polarization correlations of proton-neutron systems. The SMART-NPOL system consists of 12 parallel neutron counter planes of two dimensionally position-sensitive plastic scintillators with a size of 60 × 60 × 3.0 cm3. Polarimetry measurements were made using the analyzing power of the 1H (over(n, ⇒), n) 1H reaction occurring in the plastic scintillators. The effective analyzing power of SMART-NPOL was measured with polarized neutrons from the zero-degree 6Li (over(d, ⇒), over(n, ⇒)) reaction with an incident deuteron energy of 135 MeV / A. The effective analyzing power thus obtained was 0.26 ± 0 . 01stat ± 0 . 03syst and the double scattering efficiency was 1.1 × 10- 3.

本文言語English
ページ(範囲)267-278
ページ数12
ジャーナルNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
578
1
DOI
出版ステータスPublished - 2007 7 21
外部発表はい

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学
  • 器械工学

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