1–6 Jun 2025
Taipei International Convention Center (TICC)
Asia/Taipei timezone

Development of the diagnostic and transport beamline for the muon linac low-velocity section

TUPS156
3 Jun 2025, 16:00
2h
Exhibiton Hall A _Salmon (TWTC)

Exhibiton Hall A _Salmon

TWTC

Poster Presentation MC4.A09 Muon Accelerators, Neutrino Factories, Muon Colliders Tuesday Poster Session

Speaker

Masashi Otani (High Energy Accelerator Research Organization)

Description

At the Japan Proton Accelerator Research Complex (J-PARC), low-emittance muon beams with a linear accelerator (linac) are proposed as a new approach to precisely measure the anomalous magnetic moment and electric dipole moment of the muon. Low-emittance muon beams can also be employed as new probes for non-destructive imaging techniques to see through structures. In the low-velocity section of the muon linac, a radio-frequency quadrupole linac (RFQ) and an interdigital H-mode drift tube linac (IH-DTL) are used to accelerate muons to β = v/c =0.08 and 0.28, respectively, at an operating frequency of 324 MHz. To reduce construction costs, the IH-DTL employs the alternating phase focusing (APF) method, which uses the transverse focusing force derived from the RF electric field. Because the APF method limits the transverse and longitudinal acceptances simultaneously, careful beam diagnostics and commissioning are essential to suppress the emittance growth derived from beam mismatches. In this paper, the results of the tracking simulation and the development status of the diagnostic and transport beamlines in the low-velocity section are described.

Region represented Asia
Paper preparation format LaTeX

Author

Yuga Nakazawa (High Energy Accelerator Research Organization)

Co-authors

Ayaka Kodno (Nagoya University) Ersin Cicek (High Energy Accelerator Research Organization) Katsuhiko Ishida (RIKEN Nishina Center) Kazuhito Suzuki (Nagoya University) Kazumichi Sumi (Nagoya University) Kenta Futatsukawa (High Energy Accelerator Research Organization) Koichiro Shimomura (High Energy Accelerator Research Organization) Masashi Otani (High Energy Accelerator Research Organization) Masato Kimura (High Energy Accelerator Research Organization) Shusei Kamioka (High Energy Accelerator Research Organization) Takatoshi Morishita (Japan Atomic Energy Agency) Takayuki Yamazaki (High Energy Accelerator Research Organization) Tsutomu Mibe (High Energy Accelerator Research Organization) Yasuhiro Kondo (Japan Atomic Energy Agency)

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