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SVD on-call shift summary May12-19,2005

SVD on-call shift summary May12-19,2005. A.Kibayashi, H.Ishino. Troubles. 5/17 ( Run didn't start due to; 19:41:42 ERROR from [MASTER] SVD does not respond, please contact on-call shift J SVD "online" by Exp. shift (Schuemann-san) -> OK 5/18 ( After local run;

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SVD on-call shift summary May12-19,2005

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  1. SVD on-call shift summaryMay12-19,2005 A.Kibayashi, H.Ishino

  2. Troubles • 5/17 ( • Run didn't start due to; 19:41:42 ERROR from [MASTER] SVD does not respond, please contact on-call shift JSVD "online" by Exp. shift (Schuemann-san) -> OK • 5/18 ( • After local run; 10:19:38 ERROR from [SVD] Ping lost for PC9. Try "reset" a few times. -> didn't work. JReboot PC09. -> OK error messages : http://belle.kek.jp/group/svd/ushiroda/svd/daq/elist.html

  3. Fatal Errors • Event # inconsistent: SP13x5 • PPCI card null read: SP14, SP15 • TIMEOUT: PC15, PC16

  4. Radiation Dose Total dose 394.2 kRad Week dose 5.6 kRad you can get figure from http://belle.kek.jp/~tajimao/public/background/shift.gif

  5. Local Run Noise: H16 st~250, H131 st~420 unstable gain: H82 between C0&1, H125 C1&2, unstable <0505122105> w/ beam TotNoise H26(reported by the prev. shifter) looks OK quiet Noise H173 st~130 up Gain H11&19 between C1&2 down <0505131038> w/ beam TotNoise H16 st~250 up Noise H16 same as above Gain H11&19 between C1&2 still down H82 between c0&1 recovered, H195 st~160 down <0505141214> w/ beam TotNoise H16 normal, H45 slightly higher Noise same as above Gain H82 between C0&1 down, H125 between C1&2 down

  6. Local Run - cont'd <0505151004> w/beam TotNoise H16 noisy again, H130 st~420 up, 131st~30 up Noise same as above Gain H82&H125 same as yesterday <0505161602> w/ beam TotNoise H16, H130, H131 normal, H104 st~250 quieter Noise H16, H130, H131 normal, H45 st~260 20->30 Gain H16 st~350 70->50, H82 between C0&1 back to full gain H158 st~290 0->25, H179 between C1&2 down to 1/2 L1.5TotNoise H146, 147, 206, 207 local run slightly lower than the last run Leak Current H26,27 (reported by prev. shifter) stable

  7. QAM • QAM-Beam vertex (r-phi) resol at SVD for Bhabhas. history (run400+) of this peak: Run516 - at~0.015 Run467 - at -0.0075 Run466 - at -0.0075 (smaller than of Run467) Run423 - at -0.01 Run408 - at -0.019 Run406 - at -0.006 Run405 - at +0.001 (higher than the main peak!) Run402&401 - wider

  8. QAM - cont'd

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