ePIC pfRICH mailing list

[Wenliang Li <wenliang.b.li AT gmail.com>]

Hi Kong,

Many thanks for the hard work! This is fantastic! Measurement results 
are intuitive.

Bill


On 3/25/24 13:33, Tu, Zhoudunming via Eic-projdet-pfrich-l wrote:
> Dear Alex, all,
>
> I was planning to show this set of slides for the mirror reflectivity test 
> today,
> https://urldefense.com/v3/__https://docs.google.com/presentation/d/1txmQlj_4_saS3z1j63L1lmqj-awYylWZNEbi5NBV45E/edit?usp=sharing__;!!P4SdNyxKAPE!GiFOGBSUpHRr3Q1ldFVMb5CFeGAXpmZku_fTl4PLTkr5-pvO5mnl_rsMS5u8kfpKHt0ZcZXLLxyzvSxAuf-7ivk3U_eDlE1OpG3Yn6Kd$ 
>
> So, let me post it here for everyone and the slides should be 
> self-explanatory. Let us know if there’s any question or comment.
>
> My conclusion so far:
>
>    *   When there’s another opportunity, we should try to finish this 
> controlled experiment on the deposition (thin vs thick Cr) and time we leave 
> the sample in the chamber (0 vs 24h).
>    *   So far, the best mirror we have made is evaporation #7 (thin Cr, thin 
> Al, and left the sample in the chamber for 24h).
>
>  From SBU, I think Bill mentioned that we should ask for (push for) the real 
> deposition measurement and calibrate our understanding on the thickness.
>
>  From BNL, we are going to improve our mirror test stand in the next few 
> weeks. When finished, I plan to re-measure everything again in a systematic 
> way.
>
> Sorry I couldn’t join last week due to the STAR collaboration meeting. If 
> anything that expects from me, please let me know.
>
> Thank you.
>
> Kong
> From: Eic-projdet-pfrich-l <eic-projdet-pfrich-l-bounces AT lists.bnl.gov> on behalf 
> of Alex Eslinger via Eic-projdet-pfrich-l <eic-projdet-pfrich-l AT lists.bnl.gov>
> Date: Monday, March 25, 2024 at 10:40 AM
> To: eic-projdet-pfrich-l AT lists.bnl.gov <eic-projdet-pfrich-l AT lists.bnl.gov>
> Subject: [Eic-projdet-pfrich-l] Cancelled -- Engineering/Design Meeting -- 25 
> Mar 2024
> Good morning,
>
> I am not feeling well today, and Alexander will not be available to run the 
> meeting for me today, so I need to cancel today’s meeting. If there are any 
> substantial updates that anyone would like to share, please send them to the 
> mailing list.
>
> Apologies for the late notice.
>
> Thanks,
> Alex
>
>
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