Solid hydrogen target for missing mass spectroscopy in inverse kinematics

Y. Matsuda, M. Tsumura, H. Sakaguchi, S. Terashima, J. Zenihiro, T. Kawabata, H. Otsu, D. Beaumel, Z. Tian, Y. Maeda, S. Gotanda, S. Kawakami, N. Aoi, T. Yamamoto

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


By using para-hydrogen and a mechanical press made of neodymium magnets, we have succeeded in making a 1-mm-thick and 30-mm-diameter solid hydrogen target (SHT), and have measured elastic scattering of protons with radioactive ion beams at 300 MeV/u. We also succeeded in making not only a 0.5-mm-thick and 10-mm-diameter SHT but also a 2-mm-thick and 30-mm-diameter SHT to study excited-state properties of nuclei via (p,p′) reactions, and quasi-free (p,pα) reactions at intermediate energies. The ortho–para converter and the simple mechanical press show possibilities for making SHTs which have various radii and thicknesses.

Original languageEnglish
Pages (from-to)897-901
Number of pages5
JournalJournal of Radioanalytical and Nuclear Chemistry
Issue number3
Publication statusPublished - 2015 Sept 22


  • Large target
  • Para hydrogen
  • Proton elastic scattering
  • Solid hydrogen
  • Thin target


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