Review Article
Present Status and Future Perspectives of the NEXT Experiment
Table 3
Activity (in mBq/kg) of the most relevant materials used in NEXT.
| Material | Subsystem |
238U |
232Th | Reference |
| Lead | Shielding | 0.37 | 0.07 | [35] | Copper | Inner copper shielding | <0.012 | <0.004 | [35] | Steel (316Ti) | Vessel | <0.57 | <0.54 | [35] | Polyethylene | Field cage | 0.23 | <0.14 | [36] | PMT (R11410-MOD, per piece) | Energy plane | <2.5 | <2.5 | [36] |
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