1 CCC Second Track Data Structure:
2 CCC (This one is needed to build the reference spectrum from
3 CCC the event text input file.)
6 Parameter (trk2_maxlen = 6500)
9 Integer*4 id ! Track ID number
10 Integer*4 px_sec ! px sector number
11 Integer*4 py_sec ! py sector number
12 Integer*4 pz_sec ! pz sector number
13 Integer*4 sector ! unique sector ID number
14 Integer*4 flag ! normally=0,if 1 indicates track assigned
15 CCC ! to sector with too many tracks, if = 1
16 CCC ! then track is not used. See /sec_trk_map/
17 Integer*4 out_flag ! flag indicating track in/out of accept.
18 CCC ! non-zero for track pushed out of accept.
19 Integer*4 merge_flag ! flag indicating track is merged (not used)
20 Integer*4 ge_pid ! Geant particle ID code number
21 Integer*4 start_vertex ! From input event file - track's start vrtx
22 Integer*4 stop_vertex ! From input event file - track's stop vrtx
23 Integer*4 event_line ! Line # of track in input event text file
25 Real*4 px ! x component of track momentum in GeV/c
26 Real*4 py ! y component of track momentum in GeV/c
27 Real*4 pz ! z component of track momentum in GeV/c
28 Real*4 E ! Total energy of track in GeV
29 Real*4 pt ! pt of track momentum in GeV/c
30 Real*4 phi ! azimuthal angle of track in degrees
31 Real*4 eta ! pseudorapidity of track