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The 3MV Multi-Element AMS in Xi'an, China: Unique Features and Preliminary Tests

Published online by Cambridge University Press:  18 July 2016

Weijian Zhou ,
Xiaolei Zhao ,
Lu Xuefeng ,
Liu Lin ,
Wu Zhengkun ,
Cheng Peng ,
Zhao Wengnian  and
Huang Chunhai
Weijian Zhou*
Affiliation:
State Key Lab of Loess and Quaternary Geology, Institute of Earth Environment, Xi'an 710075, China Xi'An Jiaotong University, Xi'an 710049, China
Xiaolei Zhao
Affiliation:
State Key Lab of Loess and Quaternary Geology, Institute of Earth Environment, Xi'an 710075, China Xi'An Jiaotong University, Xi'an 710049, China
Lu Xuefeng
Affiliation:
State Key Lab of Loess and Quaternary Geology, Institute of Earth Environment, Xi'an 710075, China Xi'An Jiaotong University, Xi'an 710049, China
Liu Lin
Affiliation:
State Key Lab of Loess and Quaternary Geology, Institute of Earth Environment, Xi'an 710075, China Xi'An Jiaotong University, Xi'an 710049, China
Wu Zhengkun
Affiliation:
State Key Lab of Loess and Quaternary Geology, Institute of Earth Environment, Xi'an 710075, China Xi'An Jiaotong University, Xi'an 710049, China
Cheng Peng
Affiliation:
State Key Lab of Loess and Quaternary Geology, Institute of Earth Environment, Xi'an 710075, China
Zhao Wengnian
Affiliation:
State Key Lab of Loess and Quaternary Geology, Institute of Earth Environment, Xi'an 710075, China
Huang Chunhai
Affiliation:
Xi'An Jiaotong University, Xi'an 710049, China
*
Corresponding author. Email: weijian@loess.llqg.ac.cn
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Abstract

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A 3MV multi-element accelerator mass spectrometer (AMS) has been installed in Xi'an, China, and preliminary tests have been completed. The results of both background and precision tests for 4 nuclides are 3.1 × 10–16, 0.2% (14C); 1.8 × 10–14, 1.4% (10Be); 2.3 × 10–15, 1.14% (26Al); and 2.0 × 10–14, 1.75% (129I). The unique features of this facility are the newly developed ion source accepting solid and CO2 samples; the specially designed low-energy injector, including a “beam blanking unit” and “Q-snout”; the acceleration tube structure with the combined magnetic and electrostatic suppression; and the function of the slit stabilization in the post-acceleration system. These features are discussed in terms of the end-user's point of view.

Information

Type
Articles
Information
Radiocarbon , Volume 48 , Issue 2 , 2006 , pp. 285 - 293
Copyright
Copyright © 2006 by the Arizona Board of Regents on behalf of the University of Arizona 

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