The RCNP (n,p) facility

K. Yako, H. Sakai, M. B. Greenfield, K. Hatanaka, M. Hatano, J. Kamiya, Y. Maeda, K. Nagayama, H. Okamura, K. Sekiguchi, Y. Shimizu, K. Suda, A. Tamii, T. Wakasa

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7 Citations (Scopus)


A facility for studying (n,p) reactions at neutron kinetic energies of 140 ≲ Tn ≲ 300 MeV has been constructed by using the existing Large Acceptance Spectrometer at the Research Center for Nuclear Physics, Osaka University. A neutron beam produced by the 7Li(p,n) reaction hits the (n,p) targets located in a segmented target system, which allows one to use a relatively thick target in total (∼ 0.5 g / cm2) with a moderate energy resolution of ∼ 1 MeV. The facility enables one to obtain spectra at 300 MeV up to an excitation energy of 70 MeV with a single setting of the spectrometer. This (n,p) facility has a large effective solid angle of 11 msr for an effective target size of 30W × 20H mm2.

Original languageEnglish
Pages (from-to)88-99
Number of pages12
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number1-2
Publication statusPublished - 2008 Jul 11


  • Charge exchange reaction
  • Neutron beam


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