Crystals for EE

Dose rates   Specifications   Emission spectrum   GIF   Historical notes   Other expts

CRISTAL   Deliveries and usage   Data 


EE crystal drawing, TB-0054-100-00-A, B Smith 12.6.98 pdf

Detector Performance Group (DPG) Meetings
Use of crystals across Dee

2008
Crystal pion irradiation studies at PSI, and interpretation commentary by Bob Brown 23.1 pdf txt

2007
Sorting of xtals according to FNUF on the Dees, D Cockerill 18.6.07 ppt

2006
Lead mask prepared at Rome to simulate LHC dose profile, Angelica 31.5 txt

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Profile of dose at LHC at eta=2, D Cockerill 22.5 xls
Update on longitudinal non-uniformity and GEANT studies,
A Ledovskoy, DPG 7.2 (  transparencies )

2005
Last photos of the Imperial Crystal Lab

Crystals non-uniformity at University of Virginia,
A Ledovskoy, DPG 6.12 (  transparencies )
FNUF work at University of Virginia, A Ledovskoy 4.12 pdf
Draft CMS Internal Note,
    'Changes in light yield from the CMS ECAL during LHC operation', D Cockerill 27.9 pdf

2004
Radiation tests on BTCP and Apatity xtals, V Katchanov, 28.7 pdf

2003
Scint 2003, talk on PbWO4 crystals, I Dafinei, Oct 03 pdf
Update on xtal cutting + new production scenario, P Lecoq, LHCC, May 03 ppt

DPGs in 2003
9 Dec 
Status of uniformity studies on new 100 EE crystals
(  transparencies ) Ryan, M.
ACCOS results on the new 100 EE crystals (  transparencies ) Auffray-Hillemanns, E.
A look at the ACCOS results for the new 100 EE crystals (  transparencies ) Suter, Henry
A Study on Type III PWO Samples (  transparencies ) Zhu, R.-Y. 
16 Sep
First results on radiation damage in PbWO4 crystals exposed to a 20 GeV/c proton beam
 
 (  transparencies ) Huhtinen, M.
Evaluation of mass-produced PWO crystals (  transparencies ) Zhu, R.Y.
Annealing results of one proton irradiated crystal (  transparencies ) Lecomte, P.  
8 Jul
Long-time recovery of PWO crystals
(  transparencies ) Zhu, R.-Y. 
GIF ECAL status report (  transparencies ) Rebecchi, P.
Shading test results on 52 crystals (  transparencies ) Ryan, M.
25 Mar
Update on GIF - ECAL tests
(  transparencies ) Ridel, M.
Caltech results on 25 crystals (  transparencies ) Zhu, R.-Y.
Comparison of PS irradiation test and LHC environment (  transparencies ) Huhtinen, M. 
25 Feb
New results from ECAL - GIF crystal tests
(  transparencies ) Rebecchi, P.
Dose rate calculations in PWO for pion irradiations (  transparencies ) Uzunian, A.
Update on uniformity studies in EE crystals  (  transparencies ) M Ryan

2002
Behaviour of PWO4 crystals at LHC, update2, D Cockerill, 7.11.2002 ppt
Scintillating crystals for Particle Physics, Forum on Scint tech, RM Brown, 17.9.02 ppt
Lead Tungstate Scintillation Material, NIM  pdf
Behaviour of PWO4 crystals at LHC, D Cockerill, 9.7.2002 ppt
EE/EB crystal production schedule, P Lecoq, June 2002 ppt      
Measurements with HPMT and photometer at IC, 2001 xtals 2369-2467, D Britton, Feb 2002 ppt

DPGs in 2002
4 Dec
Status of 100 EE crystals order
  (  transparenciesNessi-Tedaldi, F.
News from GIF  (  transparencies ) Rebecchi, P.
Test results on 8 End Cap crystals  (  transparencies ) Zhu, R.-Y.
16 Oct
Chamfer sizes study on EE crystals (  transparencies ) Ryan, M.
Finalisation of Technical Specifications for 100 EE crystals order  (  transparencies ) Nessi-Tedaldi, F.
Irradiation tests of crystals and APDs at Minnesota (  transparencies ) Rusack, R.
PWO crystals irradiation in the High Energy Hadron Field of IHEP Protvino  (  transparencies ) Uzunian
Radiation damage on crystals  (  transparencies ) Luckey, D.
Results from 2002 test-beam in GIF  (  transparencies ) Rebecchi, P.
R measurements in H4  (  transparencies ) van Lysebetten, A. 
10 Jul
First preliminary report on GIF-ECAL test beam (  transparencies ) Rebecchi, Pierpaolo
Brief status of laboratory data studies preparing M0prime  (  transparencies ) Jarry, P.
Measurement of an R-like parameter  (  transparencies ) Britton, David
Preparation of a crystal test with hadrons up to EE fluences (  transparencies ) Luckey, David
Update on studies of the effect of the LHC cycle on crystals (  transparencies ) Cockerill, Dave
Further crystal irradiations proposal (  transparenciesZhu, Ren-Yuan 
11 Jun
Various results on Endcaps crystals  (  transparencies ) Auffray, E.
Update on shaded chamfers for EE crystals  (  transparencies ) Britton, D.
Results from hadron irradiations at Protvino  Katchanov, V.


2001
Test beam results on the performance of two matrices of PbW04 crystals for the CMS ECAL
    and comparison with laboratory measurements, F Cavallari et al 11.9 pdf

    (includes FNUF versus measured constant term)
P Lecoq, Plenary session, CMS Week, Catania, June 2001    pdf
Results on the 100 pre-production Endcap crystals, June 2001    pdf
Status of new technbology developments at Bogorodisk,  June 2001  pdf

DetectorPerformanceGroup meetings (2001-2003)
Crystal task force meetings (Sep 2000 - Sep 2001)


2000
Results on the 100 R&D Endcap crystals measured in RCCERN on ACCOCE2, Sep 2000  ppt
Simulation of the HPMT/VPT Light collection ratio, D Britton, M Appolonio, E Mccleod, 28.3.2000 doc
Summary of fluence irradiations carried out by CMS doc

1999
Precision of Transmission measurements at the IC Crystal Lab, D Britton, ECAL week, Oct 1999 ppt, ps
Status of PWO crystals from Bogoroditsk after one year of preproduction for CMS ECAL, E. Auffray, SCINT 99 ppt
Initial Tests on First Full-Size Endcap Crystals, G Davies et al, CMS NOTE-1999/022
ACCOS measurements on the first 30 full sized EE crystals (La doped), Gavin Davies, ECAL week, Feb 99, ps
Uniformisation proceedures, first 200 preproduction barrel crystals, Gavin Davies, ECAL week, Feb 99, ps

1998
EE crystal drawing, TB-0054-100-00-A, B Smith 12.6 pdf

1997
Simulation of Longitudinal Light Collection Uniformity from the ECAL Endcap PbWO4 Crystals, G Davies, CMS IN-1997/029
Efficiency of Scintillation Light Collection from Various ECAL Endcap PbWO4 Crystal Shapes, G Davies, CMS IN-1997/028
Studies of Efficiency of Scintillation Light Collection in PbWO4 Crystals, Davies, Beuselinck, Hobson, CMS IN-1997/027