RCNP, Osaka, Japan
*E. Ideguchi, SSNET’17 - Abstracts and slides, (p. 1990). France, (2017).
**D. Tomono, PoS(NuFact2017) 111, (2018).
WEA03
RCNP, Osaka, Japan
| Paper | Title | Page |
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| TUC04 | Status of the Cyclotron Facility at Research Center for Nuclear Physics | 259 |
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Research Center for Nuclear Physics (RCNP), Osaka University operates a K140 AVF cyclotron and a K400 ring cyclotron and promotes the nuclear physics, accelerator physics, material science, nuclear medicine and related scientific fields. In the recent years, we operated the CAGRA campaign and Grand-RAIDEN+CAGRA campaign experiments* for taking advantage of the low background environment of the RCNP experimental halls and the high quality beams. We have successfully completed the low energy muon beam line, MuSIC**. We have been carrying out a program of the upgrade of the K140 AVF cyclotron which continued working since 1973. We aim at 10 times higher intensity for the proton beam than before and further stability of the operation. We also carried out the upgrade of the cyclotron building and related facilities to handle beams with higher intensity. From 2019, the RCNP started the Research Center of Subatomic Sciences as the International Joint Usage/Research Center in Japan. These upgrades are the most important programs to extend the function of the newly established center.
*E. Ideguchi, SSNET’17 - Abstracts and slides, (p. 1990). France, (2017). **D. Tomono, PoS(NuFact2017) 111, (2018). |
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Slides TUC04 [8.696 MB] | |
| DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-Cyclotrons2019-TUC04 | |
| About • | paper received ※ 15 September 2019 paper accepted ※ 26 September 2019 issue date ※ 20 June 2020 | |
| Export • | reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml) | |
WEA03 |
Design for Upgrading the RCNP AVF Cyclotron | |
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| The upgrade program of the RCNP K140 AVF cyclotron was started in 2019 to provide a high-quality intense beam for nuclear physics experiments and ion beam applications such as RI production and soft-error rate testing of semiconductor devices. The beam quality and intensity will be improved by increasing an extraction voltage of ion sources from 15 to 50 kV. The axial beam injection system will be modified to meet the condition of the increased injection energy. A single Dee electrode with a span angle of 180 degrees will be replaced by two 87 degree Dee electrodes. A new RF resonator was designed to cover a frequency range from 18 to 36 MHz to accelerate staple particles using acceleration harmonic mode of h=2 which maximizes the energy gain and turn separation by the double Dee system. A sub-harmonic bunching system will be applied to an injected beam to match the particle revolution frequency with that of the K400 ring cyclotron. Two gradient correctors will be placed in the extraction region to implement double-focusing for matching the extracted beam to the MEBT system. In this paper, the detailed design of the upgraded AVF cyclotron will be discussed. | ||
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Slides WEA03 [18.161 MB] | |
| Export • | reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml) | |