Physical Review Accelerators and Beams (Apr 2016)

Interdigital H-mode drift-tube linac design with alternative phase focusing for muon linac

  • M. Otani,
  • T. Mibe,
  • M. Yoshida,
  • K. Hasegawa,
  • Y. Kondo,
  • N. Hayashizaki,
  • Y. Iwashita,
  • Y. Iwata,
  • R. Kitamura,
  • N. Saito

DOI
https://doi.org/10.1103/PhysRevAccelBeams.19.040101
Journal volume & issue
Vol. 19, no. 4
p. 040101

Abstract

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We have developed an interdigital H-mode (IH) drift-tube linac (DTL) design with an alternative phase focusing (APF) scheme for a muon linac, in order to measure the anomalous magnetic moment and electric dipole moment (EDM) of muons at the Japan Proton Accelerator Research Complex (J-PARC). The IH-DTL accelerates muons from β=v/c=0.08 to 0.28 at an operational frequency of 324 MHz. The output beam emittances are calculated as 0.315π and 0.195π mm mrad in the horizontal and vertical directions, respectively, which satisfies the experimental requirement.