1. Calo Prediction Trial Nagoya University F - LAB Kunihiro Morishima

2. X Y Method not real scale emulsion target + SFT EMcal νbeam U V SFT hit information cluster position information 1. predict the CS scanning area (5mm×5mm) by using Fiber hit information 2. predict the angle by connecting line between CS scanning position and cluster position in EMcal Make prediction by using highest energy cluster position at EMcal highest energy cluster Position information from Bruce prediction track 7m

3. Position Prediction line by hand U projection 5mm 3026_23438 CS scanning area 5mm×5mm

4. Position Prediction V projection 5mm 3026_23438

5. Angle Prediction U EMcal V EMcal 1212 1 1 X EMcal Y EMcal 1.cluster position coordinate transformation from (X,Y) to (U,V) 2. calculate angle U EMcal – U SFT L V EMcal – V SFT L θ u ＝ θ v ＝ L = distance between CS and Emcal position resolution CS ±2.5mm EMcal ±75mm (2.5+75) /7000 ～ 11mrad

6. Effect of magnet emulsion target + SFT EMcal magnet Pt ～ 225 MeV νbeam @10 GeV 22.5 mrad @50 GeV 4.5 mrad 7m δθ

7. Scanning Position ± 2.5mm Angle ± 15mrad CS scan prediction allowance Bulk scan Net Scan Back Location SS scan

8. Result Event IDE cluster (GeV) located or not comment 3118_2685520.3 ○ electron shower 3113_0774351.4 ○ electron shower 3026_234387.6 ○ electron shower 3113_1736166.4×SS broken 3008_1724824.3×bad alignment ( high density ～ 2×10^5/cm^2) Tried 5 event, located 3 event If data quality is good, this method is effective

9. 3118_26855

10. 3113_07743

11. 3026_23438