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Ultra slow muon microscopy by laser resonant ionization at J-PARC, MUSE |
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| Authors: | Y. Miyake Y. Ikedo K. Shimomura P. Strasser N. Kawamura K. Nishiyama A. Koda H. Fujimori S. Makimura J. Nakamura T. Nagatomo R. Kadono E. Torikai M. Iwasaki S. Wada N. Saito K. Okamura K. Yokoyama T. Ito W. Higemoto |
| Affiliation: | 1. Muon Science Laboratory, High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki, 305-0801, Japan 2. Muon Section, Materials and Life Science Division, J-PARC Center, 2-4 Shirane Shirakata, Tokai-mura, Naka-gun, Ibaraki, 319-1195, Japan 3. Faculty of Engineering, Yamanashi University, Kofu, Yamanashi, 4008511, Japan 4. Advanced Meson Science Laboratory, RIKEN Nishina Center, Wako, Saitama, 351-0198, Japan 5. Advanced Science Institute, RIKEN, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan 6. Megaopto Co., Ltd., RIKEN-WAKO Incubation Plaza 301, Wako, Saitama, 351-0104, Japan 7. Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki, 319-1195, Japan |
| Abstract: | As one of the principal muon beam line at the J-PARC muon facility (MUSE), we are now constructing a Muon beam line (U-Line), which consists of a large acceptance solenoid made of mineral insulation cables (MIC), a superconducting curved transport solenoid and superconducting axial focusing magnets. There, we can extract 2 × 108/s surface muons towards a hot tungsten target. At the U-Line, we are now establishing a new type of muon microscopy; a new technique with use of the intense ultra-slow muon source generated by resonant ionization of thermal Muonium (designated as Mu; consisting of a μ ?+? and an e???) atoms generated from the surface of the tungsten target. In this contribution, the latest status of the Ultra Slow Muon Microscopy project, fully funded, is reported. |
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