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Cryogenic Materials for Use in High-Radiation and Low-Magnetic-Field Environments
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DOI：10.3390/ma19163422.png)
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Abstract
En 中文
Ultra-cold neutrons (UCNs) play an important role in the modern frontier of low-energy physics related to fundamental symmetries. They have enabled an improvement of two orders of magnitude in the measurement of the upper limit of the neutron electric dipole moment (nEDM) compared to beam experiments. Further improvements in both the design of UCN sources and nEDM measurements critically depend on the availability and development of materials which satisfy specific requirements. We present innovative materials used for the fabrication of the cryogenic UCN source at the PULSTAR reactor (NC State University, USA) and for the cryogenic non-magnetic environment required for a new high-precision nEDM experiment seeking a further two-orders-of-magnitude improvement in nEDM sensitivity.
Keywords:
cryogenic
metamaterial
origami
non-magnetic material
bellows
superconducting joint
explosively bonded
Ti6Al4V
polyimide
Zircalloy-4
niobium
Journal
IF:
3.2
Papers:
5.6W
Citations:
15.1W
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Cited Papers