The AMS facility at Xi’an AMS Centre

ZHOU Weijian1; 3 LU Xuefeng1; 3 WU Zhenkun1; 2 ZHAO Wennian1; 3 HUANG Chunhai1; 3 LI Linglang1; 3 CHENG Peng1

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The AMS facility at Xi’an AMS Centre

更新时间：2021-03-12

- The AMS facility at Xi’an AMS Centre
- NUCLEAR TECHNIQUES Issue 8, (2007)
- 作者机构：
  
  1. 西安加速器质谱中心
  2. 西安加速器质谱中心西安710052中国科学院地球环境研究所黄土与第四纪地质国家重点实验室西安710075西安交通大学西安,710049
  3. 西安710052西安交通大学西安,710049
- 作者简介：
- 基金信息：
  
  国家科技部(NBRPC2004CB720200);国家自然科学基金(NSFC40531003,40523002,40121303);中国科学院的支持项目;教育部的支持项目
- DOI：
  CLC： TL817.4
- Published：01 August 2007
- 稿件说明：
移动端阅览
[1]周卫健,卢雪峰,武振坤,赵稳年,黄春海,李琳琅,程鹏.西安加速器质谱中心多核素分析的加速器质谱仪[J].核技术,2007(08):702-708.

ZHOU Weijian1, 3 LU Xuefeng1, 3 WU Zhenkun1, et al. The AMS facility at Xi’an AMS Centre[J]. Nuclear techniques, 2007, (8): 702-708.
[1]周卫健,卢雪峰,武振坤,赵稳年,黄春海,李琳琅,程鹏.西安加速器质谱中心多核素分析的加速器质谱仪[J].核技术,2007(08):702-708. DOI：

ZHOU Weijian1, 3 LU Xuefeng1, 3 WU Zhenkun1, et al. The AMS facility at Xi’an AMS Centre[J]. Nuclear techniques, 2007, (8): 702-708. DOI：

摘要

西安加速器质谱中心拥有的一台3MV的分析多核素的加速器质谱仪（Xi’an-AMS）是我国地学、考古、生物医学及其它运用AMS技术领域的一个实验平台。本文介绍四个核素（10Be、14C、26Al和129I）验收达到的先进水平

特别是测得14C/12C测量精度为0.2%

10Be/9Be最小比值为3.65×10-15。本文还介绍了该AMS的主要技术特点。

Abstract

The Institute of Earth Environment of the Chinese Academy of Sciences and Xi’an Jiaotong University have jointly created an AMS center

under the support of Ministry of Science and Technology

Chinese Academy of Sciences and Ministry of Education. The Xi’an 3MV multi-element AMS system will be a national experimental platform for earth environmental studies

archeology

biomedical research and other fields related to the AMS technique. This paper describes the AMS’s major components with their unique features

including body grounded ion source accepting both CO2 and solid samples; low energy injector with precisely timing and fast switching;low radiation accelerator containing the accelerator tubes with combined magnetic permanent and declined electrostatic field suppression of secondary electrons; high energy analyzing system with high dispersion and slit stabilization. The excellent results of the acceptance tests for 10Be

14C

26Al and 129I are listed. The 14C precision of 0.2% and the background for ratio 10Be/9Be of 3.65×10-15 were demonstrated.

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