May 19 – 23, 2019
Europe/Madrid timezone

Low background stainless steel for PandaX-4T dark matter experiment

Not scheduled


Tao Zhang (Shanghai Jiao Tong University)


The PandaX-4T dark matter experiment includes a cryostat which contains 6T xenon at -100℃. The cryostat is the major component of the detector, which is made of low background stainless steel (SS). The SS contributes about 1/3 intrinsic background of the detector. In this talk, low background SS production process, cryostat fabrication process and possibility of suppressing SS radioactivity will be presented.

Primary author

Tao Zhang (Shanghai Jiao Tong University)

Presentation materials

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