Assay of low-background stainless steel by smelting for the neutrino experiment at Jinping - INSPIRE

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Assay of low-background stainless steel by smelting for the neutrino experiment at Jinping

Jun 14, 2017

7 pages

Published in:

Nucl.Instrum.Meth.A 881 (2018) 65-71

Published: Feb 11, 2018

e-Print:

1706.04506 [physics.ins-det]

DOI:

10.1016/j.nima.2017.11.006

View in:

ADS Abstract Service

reference search6 citations

Citations per year

Abstract: (arXiv)

To ensure compliance with the experimental requirement for ultra-low background, in this study the radioactivity of stainless steels manufactured by smelting is thoroughly investigated. Raw materials, stage samples, and commercial samples are investigated by glow discharge mass spectrometry (GDMS) and/or with high-purity germanium detectors (HPGe) at both the ground level and/or the China Jinping Underground Laboratory. Custom-made stainless steel samples are found to have radioactivity levels comparable to those in other low-background experiments. The comprehensive results regarding the radioactivity level in materials to be used in the proposed Jinping Neutrino Experiment are reported.

Note:

21 pages, 5 figures

Neutrino
Stainless steel
Low radioactivity
Gamma spectroscopy
Jinping
semiconductor detector: germanium
background: radioactivity
iron: admixture
measurement methods
fabrication

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