Demonstration of a kicker impedance reduction scheme with diode stack and resistors by operating the 3-GeV rapid cycling synchrotron of the Japan Proton Accelerator Research Complex

Shobuda, Yoshihiro; Harada, Hideaki; Saha, Pranab; Takayanagi, Tetsuya; Tamura, Fumihiko; Togashi, T.; Watanabe, Yasuhiro; Yamamoto, Kazami; Yamamoto, Masanobu

doi:10.1103/physrevaccelbeams.26.053501

Phys. Rev. Accel. Beams

2023

DOI: 10.1103/physrevaccelbeams.26.053501

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Demonstration of a kicker impedance reduction scheme with diode stack and resistors by operating the 3-GeV rapid cycling synchrotron of the Japan Proton Accelerator Research Complex

Yoshihiro Shobuda

Hideaki Harada

Pranab Saha

et al.

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2024

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J-PARC linac and RCS – operational status and upgrade plan to 2 MW

Yamamoto,

Moriya,

Okita

et al. 2024

JNR

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The linac and the 3 GeV rapid-cycling synchrotron (RCS) at the Japan Proton Accelerator Research Complex (J-PARC) were designed to provide 1-MW proton beams to the following facilities. Due to the improvement of the accelerator system, we accelerated a 1-MW beam with a small beam loss. The lack of anode current in the radiofrequency (RF) cavity, rather than beam loss, limits the RCS beam power. Recently, we developed a new acceleration cavity that can accelerate a beam with a low anode current. This new cavity enables us to reduce the requirement for the anode power supply and accelerate a beam of more than 1 MW. We considered how to achieve beam acceleration beyond 1 MW. So far, a beam of up to 1.5 MW is expected to be accelerated after replacing the RF cavity. We also studied to achieve an up to 2-MW beam in J-PARC RCS.

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J-PARC linac and RCS – operational status and upgrade plan to 2 MW

Yamamoto,

Moriya,

Okita

et al. 2024

JNR

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Demonstration of a kicker impedance reduction scheme with diode stack and resistors by operating the 3-GeV rapid cycling synchrotron of the Japan Proton Accelerator Research Complex

Cited by 1 publication

References 22 publications

J-PARC linac and RCS – operational status and upgrade plan to 2 MW

J-PARC linac and RCS – operational status and upgrade plan to 2 MW

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