Detector Team

Research Areas

This team is in charge of maintenance and improvement of detectors which are used at BigRIPS separator and its succeeding beam lines for beam diagnosis and particle identification of RI beams. We are also engaged in R&D of new detectors that can be used for higher-intensity RI beams. In addition, we are doing the R&D which uses the pelletron accelerator together with other groups.

Research Subject

1. Maintenance and improvement of the beam-line detectors which are used at BigRIPS separator and its succeeding beam lines
2. Development of new beam-line detectors with radiation hardness and tolerance for higher counting rates
3. Management of the pelletron accelerator and R\&D which uses the pelletron

List of Selected Publications

1. 1. Ikeda, T.:
   ``Applications of Microbeams Produced by Tapered Glass Capillary Optics''
   Quantum Beam Sci. 4(2), 22 (2020).
2. Ikeda, T., Ikekame, M., Hikima, Y., Mori, M., Kawamura, S., Minowa, T., Jin, W.-G.:
   "Profile measurements of MeV ion microbeams in atmosphere extracted from single tapered glass capillaries with an end window"
   Nuclear Inst. and Methods in Physics Research B 470, 42–47 (2020).
3. Ikeda, T., Kojima, T.M, Natsume, Y., Kimura, J., and Abe, T.:
   "Stable transmission of slow highly charged ions through tapered glass capillary with active discharging method for sub-micron sized beams"
   Appl. Phys. Lett. 109, 133501 (2016).
4. Sato, Y., Murakami, H.:
   "Pulse height decrease in a single-crystal CVD diamond detector"
   Jpn. J. Appl. Phys. 54, 096401 (2015).
5. Sato, Y., Shimaoka, T., Kaneko, J.H., Murakami, H., Isobe, M., Osakabe, M., Tsubota, M., Ochiai, K., Chayahara, A., Umezawa, H., Shikata, S.:
   "Radiation hardness of a single crystal CVD diamond detector for MeV energy protons"
   Nucl. Instrum. Meth. in Phys. Research A, 784, 147 (2015).
6. Sato, Y., Fukuda, N., Takeda, H., Kameda, D., Suzuki, H., Shimizu, Y., Ahn, D.S., Murai, D., Inabe, N., Shimaoka, T., Tsubota, M., Kaneko, J.H., Chayahara, A., Umezawa, H., Shikata, S., Kumagai, H., Murakami, H., Sato, H., Yoshida, K., and Kubo, T.:
   "Status of beam line detectors for the BigRIPS fragment separator at RIKEN RI Beam Factory: issues on high rates and resolution"
   JPS Con. Proc. 6, 030124 (2015).
7. Kumagai, H., Ohnishi, T., Fukuda, N., Takeda, H., Kameda, D., Inabe, N., Yoshida, K., and Kubo, T.:
   "Development of Parallel Plate Avalanche Counter (PPAC) for BigRIPS fragment separator"
   Nucl. Instrum. and Meth. B 317, 717-727 (2014).