CBM-RICH: Photodetector developement

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Piotr Koczo ń,GSI. CBM Workshop February 2008. CBM-RICH: Photodetector developement. CBM Collaboration Meeting February 2008. P.Koczo ń, C.Höhne, A.Braem C.Joram, S.Ilie, M. van Stenis. Piotr Koczo ń,GSI. CBM Workshop February 2008. Piotr Koczo ń,GSI. CBM Workshop February 2008. - PowerPoint PPT Presentation

Text of CBM-RICH: Photodetector developement

  • CBM-RICH: Photodetector developementCBM Collaboration Meeting February 2008P.Koczo, C.Hhne, A.BraemC.Joram, S.Ilie, M. van Stenis

  • Photodetector for RICH CsI MPWC, PM Array photomultiplier: H8500, H9500geometrical properties -> coverageoptical properties -> quantum efficiency electronical properties -> readout, cross-talk

    H8500: room for improvements: WLS coating: technology, measurements, results Single Photon Counting: measurement, results

    Outlook/Plans

  • H85008x8 pads5.8 x 5.8 mm each89% packing densityU=1100 V butborosilicate windowand low QE for UV

  • Wave-length shifterp-TerphenylpTerTetraphenylButadiene TPB

  • Coating plant (theory)SchutterBoatPMsHeatingVacuumQuartz crystal microbalanceMaterial

  • Coating plant (reality)

  • Depositing pTer, TPB and YellowX

    TPBpTerYellowXPM5 41 g/cm2 63 g/cm2PM4 65 g/cm2 95 g/cm2 276 g/cm2PM3 92 g/cm2PM2162 g/cm2 PM1235 g/cm2 343 g/cm2

  • QE Test Bench (HPD) Air 200 nm cut off abs. QE measurementMonochromatorVacuum deep UV no absolute QEQuantum efficiency measurements (theory)

  • MonochromatorQE Test BenchQuantum efficiency measurements (reality)

  • QE for XP3102PRELIMINARY

    QE_allPMs

    0.0087490.00010.0024420.0282942000.169770.1694820.1727990.1759990.1576680.2557390.2303490.2393870.0771020.0105660.156260.013831

    0.0087210.0179120.0031020.021292200.1738110.1697990.1759850.178870.1634560.2586080.2361030.2447620.0913030.0104210.1052570.012494

    0.0175030.0106990.0067660.0247822400.1740860.1681640.1765050.1794930.1647050.2530680.2482310.2574310.0975880.0095540.0660220.018596

    0.0665290.0407970.0317240.0727332600.1735570.1670790.1756820.1783410.1644920.2274590.2465190.2664470.0975890.0084760.0415680.061078

    0.1839970.1771820.1426870.1926332800.1839760.1709960.1768690.1787490.1679680.2648550.2643570.2719120.1056770.009740.0295510.173684

    0.254190.2786830.242810.2673673000.1817160.1629630.1732060.1755750.1621470.2808320.2604370.2622050.101460.0732540.0209350.252016

    0.2832360.3174340.2825960.2988873200.1659380.1539170.1671320.1715740.1567240.3011180.2775940.2723040.0945550.0924010.0192970.284631

    0.2840970.3182720.2865720.3002173400.162310.1501080.1627730.169220.1536560.3113910.2940020.30370.0912580.0772150.0185740.289548

    0.2818490.3164150.2853530.298013600.1631060.1497480.1608830.1678460.1530960.3073340.2949770.3115770.0922820.0825820.0196160.290284

    0.2679080.3021070.273460.2842883800.1631350.1450420.1545660.1599360.1472980.2988450.2856270.2981310.0937580.0706170.0200970.283286

    0.2584970.2902150.2644440.2751554000.2441360.2003860.1911350.1981410.1646930.2921910.2770890.288920.1257130.0793610.0212690.276078

    0.2485850.2760010.2546280.2649784200.2865760.2740950.2868750.29570.2740870.2795370.2671820.2792330.1998310.1180540.0248330.264858

    0.2305180.2542550.2367910.2463594400.2691950.2504420.2740380.2810160.2686640.2569870.2502970.2609170.199750.1636410.0323270.245411

    0.2081980.2276160.2149190.2223264600.2497710.2385370.2517060.2571720.2504520.2323990.2311340.2392650.1906250.1877610.0466290.22128

    0.1855680.201650.1903930.1987364800.2216060.213180.2283040.2326130.2227620.2073630.2034270.2153310.173610.1824140.0514550.193868

    0.1702690.1846750.1723680.1835815000.1984820.1888780.2030370.2064760.2089990.1904790.1862490.1978630.1604930.1706450.0510540.176698

    0.1327930.1443340.1407790.1404255200.156120.1488670.1646510.1672040.1586750.1540030.1544620.1559970.1331180.1441460.0445360.142605

    0.0870510.0952490.09110.0930395400.1016880.1016190.1124840.113840.1110790.1016790.1007530.1048210.090360.0944690.0316840.092024

    0.0701110.0766210.0709930.0753275600.0809380.0838540.0896470.0905570.0886910.080770.0797230.086140.0724940.0736780.0261240.072925

    0.0559250.0607820.0559630.0596465800.0646830.0672730.0709330.0715290.068640.0636330.0646850.0675750.0577310.0586310.0214240.058017

    0.0418440.0447140.0414150.0438766000.0486650.0501650.0533180.0537210.0516560.0470870.0487660.0502030.0428920.0435170.0166240.043307

    0.0286360.0298660.0280160.0291936200.0335040.034570.0363420.0366080.0339960.0319240.033480.0332960.0291280.0294250.0121490.029635

    0.017570.0177320.0170020.0172086400.0206690.0218350.0215790.0217220.0196770.019520.0208480.0195790.0177130.0178120.0085760.01818

    0.009410.0090550.0090480.0087766600.0111610.0123350.0109920.0110590.0102160.0105320.0116830.0102220.0095090.0094950.0057940.009835

    PM1

    PM2

    PM3

    PM4

    PM5

    PM1-TPB

    PM2-TPB

    PM3-TPB

    PM4-TPB

    PM5-TPB

    PM1-pTer

    PM4-pTer

    PM5-pTer

    TPB-Resin

    YellowX-Evptd

    YellowX-Powder

    PM4+QuarzGlas

    Wavelength [nm]

    QE

    PMs - Quantum Efficiencies

    QEfficiencies

    HPD Quantum Efficiency

    LambdaPM1PM2PM3PM4PM5PM1_TPBPM2_TPBPM3_TPBPM4_TPBPM5_TPBPM1_pTerPM4_pTerPM5_pTerTPBResinQuarzGlasPMCleanYxevapYxqxq

    2000.013880.0087490.00010.0024420.0282940.1697712.23126801150.16948219.3715853240.1727991727.990.17599972.07166257170.1576685.57248886690.25573918.4250.23034994.3280098280.2393878.46069838130.0771025.55489913540.0138310.99646974060.0212261.52925072050.0105664.32678132680.1562663.9885339885

    2200.0124050.0087210.0179120.0031020.021290.17381114.01136638450.16979919.47012957230.1759859.82497766860.1788757.66279819470.1634567.67759511510.25860820.84707779120.23610376.11315280460.24476211.49657116020.0913037.36017734780.0124941.00717452640.0173571.39919387340.0104213.3594455190.10525733.9319793681

    2400.0210670.0175030.0106990.0067660.0247820.1740868.26344519870.1681649.60772439010.17650516.49733619960.17949326.52867277560.1647056.6461544670.25306812.01253144730.24823136.68799881760.25743110.38782180610.0975884.63226847680.0185960.88270755210.0237781.12868467270.0095541.41206030150.0660229.757907183

    2600.0730020.0665290.0407970.0317240.0727330.1735572.37742801570.1670792.51137098110.1756824.30624800840.1783415.62164292020.1644922.26158690.2274593.11579134820.2465197.77074139450.2664473.66335776060.0975891.33679899180.0610780.83666200930.073881.01202706780.0084760.26717942250.0415681.3103013491

    2800.1961830.1839970.1771820.1426870.1926330.1839760.93777748330.1709960.92934123930.1768690.99823345490.1787491.25273500740.1679680.87195859480.2648551.35004052340.2643571.85270557230.2719121.41155461420.1056770.53866542970.1736840.88531626080.1987841.01325802950.009740.06826129920.0295510.2071036605

    3000.2751060.254190.2786830.242810.2673670.1817160.66053084990.1629630.64110704590.1732060.6215162030.1755750.72309624810.1621470.60645853830.2808321.02081379540.2604371.07259585680.2622050.98069320450.101460.36880329760.2520160.91606871530.2839751.03223848260.0732540.30169268150.0209350.0862196779

    3200.3059830.2832360.3174340.2825960.2988870.1659380.54231117420.1539170.54342315240.1671320.52650944760.1715740.60713527440.1567240.52435870410.3011180.98410042390.2775940.98229982020.2723040.91106003270.0945550.30902043580.2846310.93021834550.3213521.05022828070.0924010.32697207320.0192970.0682847599

    3400.3065940.2840970.3182720.2865720.3002170.162310.52939718320.1501080.52836883180.1627730.51142733260.169220.5904973270.1536560.51181645280.3113911.01564609870.2940021.02592716660.30371.01160160820.0912580.29765096510.2895480.94440204310.3251691.06058500820.0772150.26944363020.0185740.0648144271

    3600.3046010.2818490.3164150.2853530.298010.1631060.53547427620.1497480.53130577010.1608830.50845566740.1678460.5882047850.1530960.51372772730.3073341.00897239340.2949771.03372664730.3115771.04552531790.0922820.30296026610.2902840.95299752790.3214371.05527230710.0825820.289402950.0196160.0687429254

    3800.2919560.2679080.3021070.273460.2842880.1631350.55876570440.1450420.54138734190.1545660.51162667530.1599360.58486067430.1472980.51812950250.2988451.02359602130.2856271.0444927960.2981311.04869357830.0937580.32113743170.2832860.97030374440.309631.06053651920.0706170.25823520810.0200970.0734915527

    4000.2821680.2584970.2902150.2644440.2751550.2441360.86521504920.2003860.77519661740.1911350.6585979360.1981410.74927394840.1646930.59854627390.2921911.03552139150.2770891.04781730730.288921.05002634880.1257130.44552536080.2760780.97841711320.2991891.06032221940.0793610.30010512620.0212690.0804291268

    4200.2693940.2485850.2760010.2546280.2649780.2865761.06378018810.2740951.10262083390.2868751.0393984080.29571.16130197780.2740871.03437643880.2795371.03765117260.2671821.04930329740.2792331.0537969190.1998310.74177969810.2648580.98316220850.2858571.06111123480.1180540.46363322180.0248330.0975265878

    4400.249060.2305180.2542550.2367910.2463590.2691951.08084397330.2504421.08643142830.2740381.07780771270.2810161.18676807820.2686641.09053860420.2569871.0318276720.2502971.05703764080.2609171.0590926250.199750.80201557860.2454110.98534891190.2652871.06515297520.1636410.69107778590.0323270.136521236

    4600.2235790.2081980.2276160.2149190.2223260.2497711.11714874830.2385371.14572186090.2517061.10583614510.2571721.19659964920.2504521.12650792080.2323991.03944914330.2311341.07544702890.2392651.07618991930.1906250.85260690850.221280.98971728110.2386661.06747950390.1877610.87363611410.0466290.2169608085

    4800.1978680.1855680.201650.1903930.1987360.2216061.11996886810.213181.14879720640.2283041.1321795190.2326131.22175185010.2227621.12089405040.2073631.04798653650.2034271.06845839920.2153311.08350273730.173610.87740311720.1938680.97978450280.2101281.06196049890.1824140.95809194670.0514550.2702567847

    5000.18040.1702690.1846750.1723680.1835810.1984821.1002328160.1888781.10929176770.2030371.09942872610.2064761.19787895670.2089991.13845659410.1904791.05587028820.1862491.08053118910.1978631.07779672190.1604930.88965077610.1766980.97947893570.1920181.06440133040.1706450.9900039450.0510540.2961918686

    5200.1425320.132