1. Track connection (Ecfsal) Fine alignment (Ecvtxa) Ecfsal Ecvtxa Inverse transform of Ecvtxa Inverse transform of Ecfsal Check if the decay can be detected 1. How to estimate reconstruction efficiency Scattering Tracking efficiency Position accuracy Angle accuracy Add MC tracks with F-file ( Real data ) M-file M-file with MC tracks F-file with MC tracks See the following pages The criteria are shown in the file “ http://flab.phys.nagoya-u.ac.jp/inetpub/e872 /meeting/2006-04-25/decay_search.txt ”

2. 2.1. Tracking efficiency

3. 2.2. Position accuracy

4. 2.3. Angle accuracy of micro-track