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Figure 11
Helium box: the new design. The maximum polar angles are ±63°. A double window filled with warm helium replaces the Mylar window shown in Fig. 1 ![]() |
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Figure 11
Helium box: the new design. The maximum polar angles are ±63°. A double window filled with warm helium replaces the Mylar window shown in Fig. 1 ![]() |