sPHENIX HCal discussion

[Edouard Kistenev <kistenev AT bnl.gov>]

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Begin forwarded message:

From: "Lajoie, John G [PHYSA]" <lajoie AT iastate.edu>
Date: November 30, 2018 at 11:44:39 AM EST
To: Edouard Kistenev <kistenev AT bnl.gov>, Emily Mastronardi <emastronardi AT bnl.gov>, EdwardOBrien <eobrien AT bnl.gov>, John Haggerty <haggerty AT bnl.gov>, David Morrison <dave AT bnl.gov>
Subject: Re: HCal tiles Production status - November

Hi Edward,

    I would encourage you to forward this to the sphenix-hcal list directly.  This is the place where people involved in the HCAL looks for this kind of information.

    I'm very encouraged by the progress at Uniplast.  In particular when you forward this you might want to give a heads-up to Megan and Anthony that 140 tiles are ready for unwrapped measurements, so they should be prepared to start digesting these results from Uniplast.

Regards,
John

On 11/30/2018 10:36 AM, Edouard Kistenev wrote:

One question - should we distribute reports like this to collaboration or at least post them on bulletin board if sPhenix has one

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On Nov 30, 2018, at 11:33 AM, Edouard Kistenev <kistenev AT bnl.gov> wrote:

Begin forwarded message:

From: Людмила Небосенко <uniplast AT bk.ru>
Date: November 30, 2018 at 9:30:04 AM EST
To: Edouard Kistenev <kistenev AT bnl.gov>
Subject: ----
Reply-To: Людмила Небосенко <uniplast AT bk.ru>

Brief status report from Uniplast

11.30.2018

(1) 160 tiles with already embedded fibers are currently in a different stages of readiness for muon testing;

(2) 140 tiles out of 160 already went through fiber polishing stage and ready for “unwrapped” measurements;

(3) experience gained with mass embedding and polishing operations consistently shows a weekly production rate of ~110 tiles per weak (currently manual epoxy dispensing). This number corresponds to monthly production rate of 400-440 tiles as predicted during recent visit of JL & EK;

(4) completed construction and testing of three injection molds to produce matching optical block (stray light blocker), SiPM holder and fiber terminator. Test results are already distributed and discussed by sPHENIX;

(5) the following samples are ready for shipping to BNL

Light Bloker  - 10 штук
Sipm Holder - 20 штук 
Connector    - 10 штук
Fiber Plug     -  3 штуки
Light DistributionCup - 3 штуки
Трубка         - 2 штуки

Shipping company representing FEDEX in Vladimir is expected to pick the box Monday (shipping is paid for from inbound FEDEX account at ISU).

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Виктор

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John Lajoie

Professor of Physics

Iowa State University

 

(515) 294-6952

lajoie AT iastate.edu