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- R. Matsushita
The University of Tokyo, Graduate School of Science, Tokyo, Japan
- M. Abe, K. Hurukawa, T. Mibe, H. Nakayama, S. Ohsawa, M.A. Rehman, N. Saito, K. Sasaki
KEK, Ibaraki, Japan
- H. Hirayama, H. Iinuma, K. Oda, Y. Sato, M. Sugita
Ibaraki University, Hitachi, Ibaraki, Japan
- N. Saito
J-PARC, KEK & JAEA, Ibaraki-ken, Japan
- T. Takayanagi
JAEA/J-PARC, Tokai-mura, Japan
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The J-PARC muon g-2/EDM experiment aims to measure the anomalous magnetic moment(g-2) and electric dipole moment(EDM) of the muon with higher precision than the previous BNL E821 experiment. A brand-new three-dimensional spiral injection scheme is employed to inject and store muon beam into a 66 cm diameter of storage magnet. Feasibility studies are ongoing by use of 80 keV electron beam at KEK test bench, to develop skills on control transverse beam motion; so-called X-Y coupling, with DC beam. As a next step, towards store the beam by use of a kicker system, a pulsed beam should be generated from the DC beam with an intended time structure to meet a pulse kicker’s duration time, without changing transverse phase space characteristics. In this presentation, the development of a beam chopper device and the evaluation of pulse beam profile are discussed.
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