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The NEXT 100 geometry

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Paola Ferrario edited this page Sep 6, 2020 · 22 revisions

Energy plane

The following simplifications have been done:

  • The flanges of the copper huts behind the PMTs haven't been simulated, therefore their mass must be added to the activity of the huts.
  • Only the central hole for the gas flow has been simulated. The other three ones (close to the borders) are not straight, but they bend at roughly the middle of the copper thickness, and we have decided not to simulate them.
  • The PMT bases are made of two different pieces: only the internal part is being simulated, which contains pins and resistors. The external part (dirtier, which contains the capacitors) is supposed to be placed on top of the huts, which are also cut diagonally. However, in the simulation the huts are not cut, and the external part of the bases is not simulated. A generator behind the copper huts is used to simulate their rejection factor.
  • The screws of the sapphire windows are not being simulated. Their activity must be added either to the windows (worst case) or to the copper (best case).
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