Difference between revisions of "Solid Calorimeter"

From Hall A Wiki
Jump to: navigation, search
(Link to new wiki)
 
(31 intermediate revisions by 2 users not shown)
Line 1: Line 1:
−
= previous pages (some info outdated) =
+
This page has been moved to [https://solid.jlab.org/wiki/index.php/Calorimeter https://solid.jlab.org/wiki/index.php/Calorimeter] in the new [https://solid.jlab.org/wiki SoLID Wiki].  Please do not edit this page.
  
−
[[Solid Forward Calorimeter | Forward Calorimeter]]
+
= collaboration info =
 +
== meeting ==
  
−
[[Solid Largeangle Calorimeter | Largeangle Calorimeter]]
+
[[meeting_solid_ec | Agendas and Minutes of weekly meeting]]
 +
meeting info in the Minutes page also
  
−
= file dir =
+
==Email list==
 +
"solid_ec at jlab.org"
 +
[https://mailman.jlab.org/mailman/listinfo/solid_ec registration and archive]
 +
 
 +
the administrator is Zhiwen Zhao (zwzhao at jlab.org)
 +
 
 +
== file dir ==
 +
 
 +
* dropbox folder
 +
 
 +
https://www.dropbox.com/sh/365le2o93vpn14e/4DLnKV_lN-
 +
 
 +
ask Zhiwen Zhao to share the dropbox folder with you
 +
 
 +
* jlab folder (outdated)
  
 
upload files to /u/group/halla/www/hallaweb/html/12GeV/SoLID/download/ec
 
upload files to /u/group/halla/www/hallaweb/html/12GeV/SoLID/download/ec
Line 11: Line 27:
 
they show up at http://hallaweb.jlab.org/12GeV/SoLID/download/ec/
 
they show up at http://hallaweb.jlab.org/12GeV/SoLID/download/ec/
  
−
= beam test plan =
+
= [[solid calorimeter Simulation and Digitization | Simulation and Digitization ]] =
  
−
We plan to test the COMPASS shashlyk modules.
+
= Short Summary=
 +
== Dimension ==
  
−
The goal is to learn the feature and performance of the modules.
+
* dimension of limitation
−
We will test energy, position and time resolution and use the results to anchor our simulation.
+
** Fluxreturn space radius 90 - 270cm
−
This will thus help us design the future SoLID prototype.
+
** crystat radius 0 - 144cm
  
−
We will use the TPE (two photon exchange) calorimeter for test. It consists of 30 4x4cm COMPASS modules in a 5x6 array and sit in a metal box/frame. The calorimeter was used in TPE experiment in HallB and currently sits at ODU with Larry Weinstein's group. They need to be returned to Will Brooks in Chile in Summer 2012.
+
* dimension of support structure
 +
**  FAEC (shared by PVDIS and SIDIS) radius 93 - 265cm
 +
**  LAEC (only for SIDIS) radius 80 - 90 - 140cm
  
−
The test time is Dec 2011 - May 2012, this includes planning, bench test and beam test.
+
* dimension of module coverage
 +
**  PVDIS FAEC radius 105 - 265cm
 +
**  SIDIS FAEC radius 93 - 235cm
 +
**  SIDIS LAEC radius 80 - 90 - 140cm
  
−
The bench test will be held at Jlab. We will use cosmic rays to do gain matching and to study basic properties such as timing response. A stand-alone DAQ will be used and two scintillator bars (placed in front of the module or on the side?) will be used for triggering.
+
* note
 +
** 0. the inner radius of fluxreturn could be reduced to 85cm for
 +
** 2. the FAEC supporting structure is share between SIDIS and PVDIS experiments. While SIDIS needs from 96cm - 230cm and PVDIS needs 110cm - 262cm, the overall need is 96 - 262cm.
 +
** 3. SIDIS FAEC needs to move upsteam 85cm to become PVDIS FAEC, so the supporting structure needs to allow the movement. Note at the before and after locations, the endcap nose shape changes. It's a concern if the supporting structure is connected to the endcap nose. If the supporting is only connected to the endcap donut (15cm thick iron), not the endcap nose, it won't be a concern then.
 +
** 4. LAEC needs to support on its own without putting force on cryostat and its supporting may need to share with GEM to stay within the limited space inside the solenoid.
 +
** 5. The LAEC 90-140cm is for the 100cm2 size module and LAEC 80-90cm is for smaller and shorter modules to fill the triangle area down to 14.85 degree line.
  
−
For beam test, The plan is to have it in HallB under the photon tagger. After passing through a photon radiator and swept by the tagger magnet, electrons with 5-95% of beam energy will pass the photon tagger and hit the floor. We will place the calorimeter module on the floor aligned with electrons at various locations for test.
+
== number of module ==
−
refer to the plot at [https://halldweb1.jlab.org/wiki/index.php/2011_Hall_B_FCAL_Beam_Test#Geometry]
+
* assume 100cm2 module area, calculate number of modules by module coverage, we get
 +
** PVDIS FAEC 1860
 +
** SIDIS total 1879
 +
*** SIDIS FAEC 1464, SIDIS LAEC 415 (about 360 regular module, 55 small module)
  
−
Currently, Matthew Shepherd's group at Indiana University is doing a HallD lead glass FCAL test there. They have 25 4x4cm modules in a 5x5 array mounted on a rail. Two sets of 5 scintillator bars on top of each others are used as trigger in a box above the calorimeter modules. Another small scintillator is mounted directly under the tagger counter to work as a veto at the offline stage. Their readout is FADC-based. see their setup at [https://halldweb1.jlab.org/wiki/index.php/FCAL_Beamtest_Setup_Pictures] and [http://www.flickr.com/photos/63927802@N02/sets/72157627993117345/]. We plan to do test similar to their setup.
+
* ANL design hexagon layout for FAEC has module about 1750 [https://www.dropbox.com/sh/szhmyaslhocu3ax/u3Q29_Y331]
  
−
About materials we need for the test. The COMPASS shashlyk modules can be borrowed. The readout (PMT/base/housing) need to be borrowed from DVCS Proton Array with an adapter or new housing to be able to connected to the modules. For electronics, we will find supply in HallA and HallC. For supporting structure, we need to make or borrow them.
+
* So 1800 module in total is good guess
  
−
We are in communication with Indiana University about borrowing their supporting structure and electronics. That depends on how soon they can finish their test and if others will use some of that. To have our modules put into the their supporting structure, we need to make a mounting.
+
== weight ==
  
−
For manpower, Only Zhiwen is on it now and hopefully W&M will come on board.  
+
assume 44 long and length ratio Pb:Sc=1:3 shower, 100*44*(0.75*1.032+0.25*11.34)=16kg
  
−
Note:
+
assume 2 radiation length lead 1.12cm and 2cm Sci preshower, 100*1.12*11.34+100*2*1.032=1.5kg
−
1. the g2p/gep in HallA has target coil and septa blocking forward angle up to 30 degree, this makes it impossible to have elastic electrons with good rate for test.
+
 
−
2. more info about the HallD FCAL test is at their wiki [https://halldweb1.jlab.org/wiki/index.php/2011_Hall_B_FCAL_Beam_Test]. Their writeup, OSP and talk are also collected here [http://hallaweb.jlab.org/12GeV/SoLID/download/ec/doc/beamtest/HallD_test/]
+
assume everything else, like wrapping, rod etc is about 2.5kg
 +
 
 +
total module weight about 20kg each
 +
 
 +
= others =
 +
 
 +
== [[solid calorimeter readout | readout]] ==
 +
 
 +
== [[solid calorimeter fiber and connector | fiber and connector]] ==
 +
 
 +
== [[solid calorimeter test stand| test stand ]]==
 +
 
 +
== [[solid calorimeter beam test | beam test 2012 ]]==
 +
 
 +
== [[Solid EC To Do | todo list (2012/06) ]]==
  
 
= talks and notes =
 
= talks and notes =
 +
 +
[http://hallaweb.jlab.org/12GeV/SoLID/meeting_coll/2012_01_06_brainstorm/SoLID_EC_xiaochao_20120106.pptx 2012_01_06 Jlab Physics Division Brain Storm Session by Xiaochao Zheng] [http://hallaweb.jlab.org/12GeV/SoLID/meeting_coll/2012_01_06_brainstorm/SoLID_EC_xiaochao_20120106.pdf pdf]
  
 
[http://hallaweb.jlab.org/12GeV/SoLID/download/ec/talk/solid_EC_beamtestplan_20111209.pptx 2011_12_09 meet with W&M and talk about general and beam test plan]
 
[http://hallaweb.jlab.org/12GeV/SoLID/download/ec/talk/solid_EC_beamtestplan_20111209.pptx 2011_12_09 meet with W&M and talk about general and beam test plan]
Line 48: Line 94:
 
[http://hallaweb.jlab.org/12GeV/SoLID/meeting_coll/2011_10/Solid_Collaboration%20meeting%2015_09_2011.pptx 2011_10 collaboration meeting by Mehdi Meziane]
 
[http://hallaweb.jlab.org/12GeV/SoLID/meeting_coll/2011_10/Solid_Collaboration%20meeting%2015_09_2011.pptx 2011_10 collaboration meeting by Mehdi Meziane]
  
−
[http://hallaweb.jlab.org/12GeV/SoLID/download/brainstorm_session_sep30/Calorimeter.pptx 2011_09_30 Jlab Physics Division Brain Storm Session by Jin Huang]
+
[http://hallaweb.jlab.org/12GeV/SoLID/meeting_coll/2011_09_30_brainstorm//Calorimeter.pptx 2011_09_30 Jlab Physics Division Brain Storm Session by Jin Huang]
  
−
[http://hallaweb.jlab.org/12GeV/SoLID/download/SolidPhoneMeeting_09_21_11/solid_calorimeter_update.pdf 2011_09_21 Update by Mehdi Meziane]
+
[http://hallaweb.jlab.org/12GeV/SoLID/meeting_coll/2011_09_21_update/solid_calorimeter_update.pdf 2011_09_21 Update by Mehdi Meziane]
  
 
[http://hallaweb.jlab.org/12GeV/SoLID/meeting_coll/2011_06/SoLID_ec_forwardangle_zwzhao_20110603.pptx 2011_06 collaboration meeting by Zhiwen Zhao for forwardangle Calor]
 
[http://hallaweb.jlab.org/12GeV/SoLID/meeting_coll/2011_06/SoLID_ec_forwardangle_zwzhao_20110603.pptx 2011_06 collaboration meeting by Zhiwen Zhao for forwardangle Calor]
Line 59: Line 105:
  
 
[http://hallaweb.jlab.org/12GeV/SoLID/meeting_coll/2011_03/LC.pdf 2011_03 collaboration meeting by Jin Huang for largeangle Calor]
 
[http://hallaweb.jlab.org/12GeV/SoLID/meeting_coll/2011_03/LC.pdf 2011_03 collaboration meeting by Jin Huang for largeangle Calor]
 +
 +
= previous pages (some info outdated) =
 +
 +
[[Solid Forward Calorimeter | Forward Calorimeter]]
 +
 +
[[Solid Largeangle Calorimeter | Largeangle Calorimeter]]
 +
 +
= Other ECAL =
 +
* LHCb
 +
** local files https://www.dropbox.com/sh/365le2o93vpn14e/g_v9IHvaLF/other_calorimeter/LHCb
 +
** some links
 +
*** [http://www.sciencedirect.com/science/article/pii/S016890020901907X NIM overview paper]
 +
*** [http://lhcb-calo.web.cern.ch/lhcb-calo/ Calo group]
 +
*** [http://lhcb-calo.web.cern.ch/lhcb-calo/html/TDR.htm TDR]
 +
*** [http://lhcb-calo.web.cern.ch/lhcb-calo/internal/TDR/notes.html TDR supporting notes]
 +
 +
* KOPIO
 +
** [http://www.sciencedirect.com/science/article/pii/S0168900207021717 KOPIO NIM paper]

Latest revision as of 15:39, 7 December 2020

This page has been moved to https://solid.jlab.org/wiki/index.php/Calorimeter in the new SoLID Wiki. Please do not edit this page.

collaboration info

meeting

 Agendas and Minutes of weekly meeting
meeting info in the Minutes page also

Email list

"solid_ec at jlab.org" registration and archive

the administrator is Zhiwen Zhao (zwzhao at jlab.org)

file dir

  • dropbox folder

https://www.dropbox.com/sh/365le2o93vpn14e/4DLnKV_lN-

ask Zhiwen Zhao to share the dropbox folder with you

  • jlab folder (outdated)

upload files to /u/group/halla/www/hallaweb/html/12GeV/SoLID/download/ec

they show up at http://hallaweb.jlab.org/12GeV/SoLID/download/ec/

Simulation and Digitization

Short Summary

Dimension

  • dimension of limitation
    • Fluxreturn space radius 90 - 270cm
    • crystat radius 0 - 144cm
  • dimension of support structure
    • FAEC (shared by PVDIS and SIDIS) radius 93 - 265cm
    • LAEC (only for SIDIS) radius 80 - 90 - 140cm
  • dimension of module coverage
    • PVDIS FAEC radius 105 - 265cm
    • SIDIS FAEC radius 93 - 235cm
    • SIDIS LAEC radius 80 - 90 - 140cm
  • note
    • 0. the inner radius of fluxreturn could be reduced to 85cm for
    • 2. the FAEC supporting structure is share between SIDIS and PVDIS experiments. While SIDIS needs from 96cm - 230cm and PVDIS needs 110cm - 262cm, the overall need is 96 - 262cm.
    • 3. SIDIS FAEC needs to move upsteam 85cm to become PVDIS FAEC, so the supporting structure needs to allow the movement. Note at the before and after locations, the endcap nose shape changes. It's a concern if the supporting structure is connected to the endcap nose. If the supporting is only connected to the endcap donut (15cm thick iron), not the endcap nose, it won't be a concern then.
    • 4. LAEC needs to support on its own without putting force on cryostat and its supporting may need to share with GEM to stay within the limited space inside the solenoid.
    • 5. The LAEC 90-140cm is for the 100cm2 size module and LAEC 80-90cm is for smaller and shorter modules to fill the triangle area down to 14.85 degree line.

number of module

  • assume 100cm2 module area, calculate number of modules by module coverage, we get
    • PVDIS FAEC 1860
    • SIDIS total 1879
      • SIDIS FAEC 1464, SIDIS LAEC 415 (about 360 regular module, 55 small module)
  • ANL design hexagon layout for FAEC has module about 1750 [1]
  • So 1800 module in total is good guess

weight

assume 44 long and length ratio Pb:Sc=1:3 shower, 100*44*(0.75*1.032+0.25*11.34)=16kg

assume 2 radiation length lead 1.12cm and 2cm Sci preshower, 100*1.12*11.34+100*2*1.032=1.5kg

assume everything else, like wrapping, rod etc is about 2.5kg

total module weight about 20kg each

others

readout

fiber and connector

test stand

beam test 2012

todo list (2012/06)

talks and notes

2012_01_06 Jlab Physics Division Brain Storm Session by Xiaochao Zheng pdf

2011_12_09 meet with W&M and talk about general and beam test plan

2011_11_09 EC longitudinal segmentation option at weekly meeting

2011_10 collaboration meeting by Mehdi Meziane

2011_09_30 Jlab Physics Division Brain Storm Session by Jin Huang

2011_09_21 Update by Mehdi Meziane

2011_06 collaboration meeting by Zhiwen Zhao for forwardangle Calor

2011_06 collaboration meeting by Jin Huang for largeangle Calor

2011_03 collaboration meeting by Zhiwen Zhao for forwardangle Calor

2011_03 collaboration meeting by Jin Huang for largeangle Calor

previous pages (some info outdated)

Forward Calorimeter

Largeangle Calorimeter

Other ECAL

Retrieved from "https://hallaweb.jlab.org/wiki/index.php?title=Solid_Calorimeter&oldid=40000"