Study of spin-isospin responses of radioactive nuclei with the background-reduced neutron spectrometer, PANDORA

L. Stuhl, M. Sasano, J. Gao, Y. Hirai, K. Yako, T. Wakasa, D. S. Ahn, H. Baba, A. I. Chilug, S. Franchoo, Y. Fujino, N. Fukuda, J. Gibelin, I. S. Hahn, Z. Halász, T. Harada, M. N. Harakeh, D. Inomoto, T. Isobe, H. KasaharaD. Kim, G. G. Kiss, T. Kobayashi, Y. Kondo, Z. Korkulu, S. Koyama, Y. Kubota, A. Kurihara, H. N. Liu, M. Matsumoto, S. Michimasa, H. Miki, M. Miwa, T. Motobayashi, T. Nakamura, M. Nishimura, H. Otsu, V. Panin, S. Park, A. T. Saito, H. Sakai, H. Sato, T. Shimada, Y. Shimizu, S. Shimoura, A. Spiridon, I. C. Stefanescu, X. Sun, Y. L. Sun, H. Suzuki, E. Takada, Y. Togano, T. Tomai, L. Trache, D. Tudor, T. Uesaka, H. Yamada, Z. Yang, M. Yasuda, K. Yoneda, K. Yoshida, J. Zenihiro, N. Zhang

Research output: Contribution to journalArticle

Abstract

The status of a project to measure spin-isospin responses of neutron drip-line nuclei using a new low-energy neutron detector, PANDORA (Particle Analyzer Neutron Detector Of Real-time Acquisition), is reported. The performance of PANDORA was characterized by the 6He(p,n)6Li reaction in inverse kinematics at the HIMAC facility in Chiba. Observation of the strong transition to the ground state in 6Li is discussed. Preliminary results of 11Li(p,n)11Be and 14Be(p,n)14B experiments in inverse kinematics at RI Beam Factory (RIBF) of RIKEN Nishina Center are also presented including the exotic decay channel of 11Be→9Li + d. Details of the experimental setup based on PANDORA and the SAMURAI large-acceptance magnetic spectrometer, as well as the combined data-acquisition system are described. The neutron-gamma discrimination capability of PANDORA was evaluated, Figure-of-Merit (FoM) values higher than those found in the literature for similar materials were derived from experimental data.

Original languageEnglish
Pages (from-to)189-194
Number of pages6
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume463
DOIs
Publication statusPublished - Jan 15 2020

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation

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    Stuhl, L., Sasano, M., Gao, J., Hirai, Y., Yako, K., Wakasa, T., Ahn, D. S., Baba, H., Chilug, A. I., Franchoo, S., Fujino, Y., Fukuda, N., Gibelin, J., Hahn, I. S., Halász, Z., Harada, T., Harakeh, M. N., Inomoto, D., Isobe, T., ... Zhang, N. (2020). Study of spin-isospin responses of radioactive nuclei with the background-reduced neutron spectrometer, PANDORA. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 463, 189-194. https://doi.org/10.1016/j.nimb.2019.05.057