Ultra Slow Muon Microscopy for Nano-science
Ultra Slow Muon Microscopy for Nano-science
复制标题
用于纳米科学的超慢 μ 子显微镜
DOI：
10.1088/1742-6596/302/1/012038
复制
发表时间：
2011
期刊：
影响因子：
--
通讯作者：
and K. Nagamin
中科院分区：
文献类型：
--
作者：
Y. Miyake;N. Nishida;J. Yoshino;W. Higemoto;E. Torikai;K. Shimomura;Y. Ikedo;N. Kawamura;P. Strasser;S. Makimura;H. Fujimori;K. Nakahara;A. Koda;Y. Kobayashi;K. Nishiyama;R. Kadono;T. Ogitsu;Y. Makida;K. Sasaki;T. Adachi;and K. Nagamin
用于凝聚态物理或化学研究的“表面”介子束，通常是由质子束线中停在质子产生靶表面附近的正介子(π+)衰变而获得的，具有较大的能量展宽，注入深度为0.1~1 mm。尽管名为“表面”µ子，但它被用来探测块状现象而不是表面现象。在这二十年中，KEK和RIKEN小组开发并成功地获得了产生能量为0.2 eV的超慢Muon束的新方法。当强流超慢Muon源的产生成为现实时，其短程穿透深度的使用将使Muon科学扩展到各种新的纳米科学领域，我们称之为“超慢Muon显微镜”，例如：1)利用其自旋极化和独特的时间窗的表面/边界磁性。2)表面化学，利用氢的轻同位素的特点；例如催化反应。3)利用微米束流大小的特性，在超慢Muon加速时，进行Muon显微镜观察。4)精确的原子物理测试量子电动力学，因为Mu是由μ+和e−组成的最简单的轻子对。5)“G-2”实验的离子源，以及高能物理中的μ+μ−对撞机实验。
The" surface" muon beam which has been used for the studies of condensed matter physics or chemistry is conventionally obtained from the decay of positive pions (π+) stopped near the surface of the pion production target in the proton beam line and has large energy broadening with an implantation depth of 0.1 to 1 mm. Despite the name of" surface" muon, it is used as a probe of bulk phenomena rather than surface phenomena. In these two decades, the new method to generate ultra-slow muon beam with energy 0.2 eV has been developed and successfully obtained by KEK and RIKEN group. When the production of intense ultra-slow muon source will be realized, the use of its short-range penetration depth will allow muon science to be expanded towards a variety of new nano-scientific fields, which we call" Ultra Slow Muon Microscope" such as, 1) Surface/boundary magnetism utilizing its spin polarization and unique time-window. 2) Surface chemistry, utilizing a feature of a light isotope of hydrogen; such as catalysis reactions. 3) Muon Microscopy, utilizing a feature of micron meter beam size, when ultra slow muon is accelerated. 4) Precise atomic physics testing QED, since Mu is the simplest lepton pair consisting μ+ and e−. 5) Ion sources for-" g-2" experiment, and towards μ+ μ− collider experiments in high-energy physics.