User name R. Michaels
Log entry time 17:27:25 on December 16,1999
Entry number 31234
keyword=T4 from run 1349.
T4 were checked from run 1349 where the ratio T4/T3 was ~1.
The T4 appear to be mostly T3. See figure below.
A sample of 47 K events of only T4 were filtered to :
Question is: What is their character ? Momentum ?
Timing ? What causes this ?!