[Dsg-rich] Temporary dark box for RICH cosmic tests

[balossino at fe.infn.it]

Hello Tyler,
here the properties of this dark box should be:
    ~1 m [~40 in] high;
    ~70 cm [~28 in] in diameter;
    it has to sustain a 0.5-1kg [1-2.5 lb] weight;
    the best would be have it as thinner as possible.

I think, but Marco Contalbrigo can confirm, that the most important thing
is the light-blocking.

Let me know if you need something else.

Thanks,
Ilaria

> Hello Ilaria,
>
> You mentioned yesterday that Marco proposed we build a temporary dark box
> cover to use for cosmic tests of RICH electronics until the actual dark
> box cover is delivered to JLab in July 2017. What are the dimensions that
> the temporary dark box needs to be?
>
> It was also mentioned that maybe a large, black PVC pipe could to be used
> for the temporary dark box cover. Does the dark box material have to be
> PVC, or is the main requirement be that the material should be
> light-blocking? Please let us know so we can start looking for the
> appropriate materials.
>
> Best regards,
> Tyler
>
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