Accelerator design for 1.3-MW beam power operation of the J-PARC Main Ring | Zendy

S. Igarashi | Zendy; Kenichirou Satou | Zendy; Chihiro Ohmori | Zendy; Y. Arakaki | Zendy; Masashi Furusawa | Zendy; Keigo Hara | Zendy; K. Hasegawa | Zendy; Y. Hashimoto | Zendy; Yoichiro Hori | Zendy; H. Hotchi | Zendy; K. Ishii | Zendy; Kotomi Kadowaki | Zendy; N. Kamikubota | Zendy; Takuro Kimura | Zendy; A. Kobayashi | Zendy; Tadashi Koseki | Zendy; C. Kubota | Zendy; Yoshinori Kurimoto | Zendy; N. Matsumoto | Zendy; Kazuki Miura | Zendy; Yuichi Morita | Zendy; Shigeru Murasugi | Zendy; R. Muto | Zendy; F. Naito | Zendy; T. Nakamura | Zendy; K. Niki | Zendy; Masahiro Nomura | Zendy; K. Ohmi | Zendy; Masashi Okada | Zendy; Katsuya Okamura | Zendy; T. Oogoe | Zendy; A. Orii | Zendy; Kenichi Sato | Zendy; Yoichi Sato | Zendy; Yoshihiro Sato | Zendy; T. Shibata | Zendy; Taihei Shimada | Zendy; M. Shimamoto | Zendy; Tetsushi Shimogawa | Zendy; M. Shirakata | Zendy; T. Sugimoto | Zendy; Yasuyuki Sugiyama | Zendy; J. Takano | Zendy; Yoichi Takiyama | Zendy; Fumihiko Tamura | Zendy; M. Tejima | Zendy; Masahito Tomizawa | Zendy; T. Toyama | Zendy; Masahiko Uota | Zendy; S. Yamada | Zendy; Masanobu Yamamoto | Zendy; Noboru Yamamoto | Zendy; Eiichi Yanaoka | Zendy; Masahito Yoshii | Zendy

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Accelerator design for 1.3-MW beam power operation of the J-PARC Main Ring

Author(s) -

S. Igarashi,

Kenichirou Satou,

Chihiro Ohmori,

Y. Arakaki,

Masashi Furusawa,

Keigo Hara,

K. Hasegawa,

Y. Hashimoto,

Yoichiro Hori,

H. Hotchi,

K. Ishii,

Kotomi Kadowaki,

N. Kamikubota,

Takuro Kimura,

A. Kobayashi,

Tadashi Koseki,

C. Kubota,

Yoshinori Kurimoto,

N. Matsumoto,

Kazuki Miura,

Yuichi Morita,

Shigeru Murasugi,

R. Muto,

F. Naito,

T. Nakamura,

K. Niki,

Masahiro Nomura,

K. Ohmi,

Masashi Okada,

Katsuya Okamura,

T. Oogoe,

A. Orii,

Kenichi Sato,

Yoichi Sato,

Yoshihiro Sato,

T. Shibata,

Taihei Shimada,

M. Shimamoto,

Tetsushi Shimogawa,

M. Shirakata,

T. Sugimoto,

Yasuyuki Sugiyama,

J. Takano,

Yoichi Takiyama,

Fumihiko Tamura,

M. Tejima,

Masahito Tomizawa,

T. Toyama,

Masahiko Uota,

S. Yamada,

Masanobu Yamamoto,

Noboru Yamamoto,

Eiichi Yanaoka,

Masahito Yoshii

Publication year - 2021

Publication title -

progress of theoretical and experimental physics

Language(s) - English

Resource type - Journals

ISSN - 2050-3911

DOI - 10.1093/ptep/ptab011

Subject(s) - upgrade , physics , beam (structure) , nuclear physics , neutrino , storage ring , j parc , proton , linear particle accelerator , ring (chemistry) , particle accelerator , computer science , optics , chemistry , organic chemistry , operating system

The J-PARC Main Ring (MR) has supplied the high-intensity proton beam for the T2K long-baseline neutrino experiment since 2010. The present beam power is 510 kW and the total number of protons on the target reaches $3.64\times10^{21}$. To observe charge-conjugation and parity-transformation (CP) violation in the lepton sector with high accuracy, more protons need to be delivered to the T2K target. The project to upgrade the beam power to 1.3 MW started as a mid-term plan of the MR. In parallel to preparing a full technical design report, the technical designs of hardware upgrades using new technologies and all accelerator components that are necessary to deliver the 1.3-MW beam power are summarized and consolidated in this short paper. Further, this paper includes beam dynamics studies and simulation results for handling $3.3\times 10^{14}$ protons per pulse (ppp) without significant beam loss in the ring and transport lines. The Hyper-Kamiokande (HK) project has recently been approved, and construction has started; the MR upgrade and HK project will work together efficiently to study the CP violation.

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