sPHENIX MAPS tracker discussion

[Ming Liu <ming AT bnl.gov>]

Hi Xin and all,

 

We have taken some special runs to study the incident angle dependent cluster size etc., and also scanned some parameter space related to the sensor threshold, analogy signal shaping time .

 

More detailed offline analysis will be carried out to study tracking efficiency, cluster size and resolution etc.

 

Test beam data are transferred to RCF daily, and you can find them at,

 

/sphenix/data/data01/mvtx/tb-1441-052019

“longrun” and “calib” are the main directories for data  (no real difference)

 

Everyone is encouraged to check the data!

 

Cheers,

Ming

 

-- 

Ming Xiong Liu

P-25, MS H846                     TEL: 505-667-7125 

Physics Division                            631-344-7821(BNL)

LANL                                               630-840-5708(FNAL)

Los Alamos, NM 87545      FAX:  505-665-7020

 

 

From: <owner-sphenix-ldrd AT maillist.lanl.gov> on behalf of sPHENIX LDRD <sphenix-ldrd AT lanl.gov>
Reply-To: Xin Dong <xdong AT lbl.gov>
Date: Wednesday, May 22, 2019 at 11:42 AM
To: "Ming Liu (BNL)" <ming AT bnl.gov>
Cc: sPHENIX LDRD <sphenix-ldrd AT lanl.gov>, sphenix-mvtx-l <sphenix-maps-l AT lists.bnl.gov>, Mandy Kathleen Rominsky <rominsky AT fnal.gov>
Subject: Re: [Sphenix-maps-l] Highlights from Fermilab MVTX test beam

 

Hi Ming and All,

 

Thank you all for the tremendous efforts. It is so great to hear that most of the primary goals on the integration of full read-out chain have been met. I am curious whether possible we can perform some further studies on the sensor performance, e.g. hit resolution (we had some from previous test already), hit efficiency and its dependence on threshold settings if possible. Particular the later one though we may obtain some from the lab test stand, but may be limited by statistics.

 

I am also interested whether the data are available for people from remote (like me) who may be interested to take a look?

 

Congratulations! Cheers

 

/xin

 

 

 

On Wed, May 22, 2019 at 5:05 AM Ming Liu <ming AT bnl.gov> wrote:

Dear all,

 

A lot of progress at Fermilab this week, accomplished pretty much all of the primary goals in the last two days and confirmed the full readout chain with the (near final) hardware:

 

4-stave telescope + Custom SamTec cables (11.4m long) + 2 RUv1.1 (electrically identical to the final RU) + Felix v 2.0 (final) + sPHENIX GTM (v0.1) + RCDAQ

 

We received the custom long SamTec cable yesterday (just in time!) and tested them this evening.

The longest SamTec cable combination:  2.6m+8.8m = 11.4m long (10m is the desired length), and we confirmed the performance is not different from others!  

 

More detailed analysis will follow soon.

 

A few fun photos of the even display,

https://www.phenix.bnl.gov/WWW/publish/mxliu/sPHENIX/LDRD/Telescope/photos/SamTec-2.6m-8.8m-IMG_2137.jpg

https://www.phenix.bnl.gov/WWW/publish/mxliu/sPHENIX/LDRD/Telescope/photos/Blackhole-Mesa-IMG_2107.jpg

 

MVTX test beam web page, https://p25ext.lanl.gov/maps/beamtest_2019/index.html

 

Xiaochun is also updating the sPHENIX MVTX wikipage,

https://wiki.bnl.gov/sPHENIX/index.php/Test_beam_in_2019_at_FNAL

 

 

Cheers,

Ming for the MVTX Test Beam team

 

-- 

Ming Xiong Liu

P-25, MS H846                     TEL: 505-667-7125 

Physics Division                            631-344-7821(BNL)

LANL                                               630-840-5708(FNAL)

Los Alamos, NM 87545      FAX:  505-665-7020

 

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--

===========================
Xin Dong
Staff Scientist, Nuclear Science Division
Lawrence Berkeley National Laboratory
MS70R0319, One Cyclotron Road
Berkeley, CA 94720, USA
Tel: +1-510-486-4121
Email: XDong AT lbl.gov
===========================