Nuclear Physics Study of Impurities in Condensed System

这项研究包括核物理和凝聚态物理领域。基于大阪大学小组的倡议，发明和开发液氦中杂质的检测方法，该项目旨在研究超流氦中的离子和原子。与传统的电流方法相比，新开发的α和β辐射方法将检测灵敏度提高了许多个数量级。在GSI加速器上获得的大范围的不稳定核为该领域的大规模研究提供了良好的可能性。欧洲核子研究中心（瑞士）、GANIL（法国）和魏茨曼科学研究所（以色列）也获得了合作。植入和不对称测量在大阪大学，理化学研究所和GSI进行。测量的量是输送速度、产量、各速度分量和漂移速度。与GSI成员、德累斯顿工业大学、马尔堡大学、魏茨曼科学研究所、东京工业大学和大阪大学进行了分析和讨论。

This research encompasses the fields of nuclear physics and condensed matter physics. Based on the initiatives of the group at the Osaka University, to invent and develop the detection methods of impurities in liquid helium, the project aimed at the investigation of ions and atoms in superfluid helium. The newly developed alpha- and beta radiation methods increased the sensitivity of detection by many orders of magnitude compared with the traditional electric current methods.The wide range of unstable nuclei obtained at the accelerators of GSI offers good possibility to develop the field to the large scheme of the research. The cooperation was obtained as well from CERN (Switzerland), GANIL (France) and the Weizmann Institute of Science (Israel). Implantation and asymmetry measurements were carried out at Osaka University, RIKEN and GSI.Measured quantities are transport velocity, production rate, various velocity components and drift velocities.The obtained data were analyzed and discussed with the members of GSI, Dresden Technical University, Marburg University, Weizmann Institute of Science, Tokyo Institute of Technology and Osaka University.