Data analysis of run0128 (38Ca physics run). The multiplicity distribution of DSSD x-strips is shown in
Attachment 1. The second peak centered at around 128, which is the number of strips of one detector, corresponds
to events where beam-like heavy ions are hitting the detector.
This causes a huge energy deposit in the detector and eventually induces the mirror charge to be shared among
many strips. The number of these events amounts to about 6% of the total (note that only 100000 events were used
for the analysis). A typical charge distribution of such an event is shown in Attachment 2.
We may need to adjust negative thresholds to suppress them. 

EDIT : The same behaviour can be seen on Y strips (see attachment)

Run 111 - 134 (almost 1 day) data was analyzed.

38Ca (p,t) 36 Ca was reconstructed only from Telescope 3.

About 500 events for most likely 36 Ca g.s.

Gate condition;

1. Inside target by CATS1&2

2. dE-E triton only by Telescope 3 and multiplicity 1

3. TOF gate to select 38Ca beam