Tomokazu Matsuo TOHO University.M2 Experience: CS Production in Gran Sasso CS Scan, Manual check ECC Vertex analysis Main works: Make plate changer #2.

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Presentation transcript:

Tomokazu Matsuo TOHO University.M2 Experience: CS Production in Gran Sasso CS Scan, Manual check ECC Vertex analysis Main works: Make plate changer #2. Scanback task force member.

Direct ScanBack - Scanback without SUTS TOHO Univ.Tomokazu Matsuo Nagoya Univ.N. Kitagawa, M. Kazuyama, Umut Kose, T. Naka. Aichi Kyoiku Univ.K.Kodama

Direct Scan Back location(DSB) Scanback without SUTS scanning PL 1,2 Start from Dec./'08 CS (SUTS & UTS) PL1&2 (SUTS & UTS) Scanback (PLCH with navigation) ECC volume scan (SUTS) CS (SUTS & UTS) Scanback (PLCH without navigation) ECC volume scan (SUTS) First methodDSB method If DSB failed >> SUTS PL1,2 scan

Merit * save time 1 st method: 30min (PL1,2 SUTS scan) + SB DSB:<10min (find track on Pl.1) + SB System upgrade: Semi-automatic CS X-ray measurement soft * save machine resource SUTS: 30 min/ev. * skip process Cut the waiting time > analysis speed up Save human resource

34 DSB 23 connected 11 not connected Go to PL 1,2 SUTS Scan 8 vtx confirmed 12 stopped Result of DSB 3 penetrate or edgeout SUTS load 1/3

Unconnected events Strategy: Scan PL.1,2 by SUTS 11 total Wait scanning 7 Recovered 2 Sendback to CS 2 1 inefficiency of drylens 1 bad parameter (already fixed)

Track position and angle in Pl.1 that connected from CS to Pl.1 Tracks of 23 connected events

The difference between Prediction calculated by tracks on CS and Tracks found on ECC

Summary We have started a new procedure, DSB We can Save Resource (SUTS,UTS) Success ratio is 70% now. >> It will become better.

ここまでしかないよ

2 Recovered1 Edge out 1 Wait scanback

2 Recovered1 drylens 1 bad parameter (already fixed)