source: JEM-EUSO/esaf_cc_at_lal/config/Electronics/R8900M64Photomultiplier/AverageCollectionEfficiency_m64_0.80.dat @ 114

#  TEMPORARY ASSUMPTION OF M64 FLAT COLLECTION EFFIFICENCY = 0.8 
#
# Legend: pixel number , X position , Y position , Collection Efficiency
#
#
#               ^ Y
#       |-------|-------|               Looking at the window glass of PMT
#       |  1    |     8 |
#       |       |       |
#       |       o--------->  X
#       |               |
#       | 57         64 |
#       |---------------|
#
#
#  pixel   X    Y    C.E.
#        (mm) (mm)       
 1 -10.351956  10.351956 0.800
 2  -7.394255  10.351956 0.800
 3  -4.436553  10.351956 0.800
 4  -1.478851  10.351956 0.800
 5   1.478851  10.351956 0.800
 6   4.436553  10.351956 0.800
 7   7.394255  10.351956 0.800
 8  10.351956  10.351956 0.800
 9 -10.351956   7.394255 0.800
10  -7.394255   7.394255 0.800
11  -4.436553   7.394255 0.800
12  -1.478851   7.394255 0.800
13   1.478851   7.394255 0.800
14   4.436553   7.394255 0.800
15   7.394255   7.394255 0.800
16  10.351956   7.394255 0.800
17 -10.351956   4.436553 0.800
18  -7.394255   4.436553 0.800
19  -4.436553   4.436553 0.800
20  -1.478851   4.436553 0.800
21   1.478851   4.436553 0.800
22   4.436553   4.436553 0.800
23   7.394255   4.436553 0.800
24  10.351956   4.436553 0.800
25 -10.351956   1.478851 0.800
26  -7.394255   1.478851 0.800
27  -4.436553   1.478851 0.800
28  -1.478851   1.478851 0.800
29   1.478851   1.478851 0.800
30   4.436553   1.478851 0.800
31   7.394255   1.478851 0.800
32  10.351956   1.478851 0.800
33 -10.351956  -1.478851 0.800
34  -7.394255  -1.478851 0.800
35  -4.436553  -1.478851 0.800
36  -1.478851  -1.478851 0.800
37   1.478851  -1.478851 0.800
38   4.436553  -1.478851 0.800
39   7.394255  -1.478851 0.800
40  10.351956  -1.478851 0.800
41 -10.351956  -4.436553 0.800
42  -7.394255  -4.436553 0.800
43  -4.436553  -4.436553 0.800
44  -1.478851  -4.436553 0.800
45   1.478851  -4.436553 0.800
46   4.436553  -4.436553 0.800
47   7.394255  -4.436553 0.800
48  10.351956  -4.436553 0.800
49 -10.351956  -7.394255 0.800
50  -7.394255  -7.394255 0.800
51  -4.436553  -7.394255 0.800
52  -1.478851  -7.394255 0.800
53   1.478851  -7.394255 0.800
54   4.436553  -7.394255 0.800
55   7.394255  -7.394255 0.800
56  10.351956  -7.394255 0.800
57 -10.351956 -10.351956 0.800
58  -7.394255 -10.351956 0.800
59  -4.436553 -10.351956 0.800
60  -1.478851 -10.351956 0.800
61   1.478851 -10.351956 0.800
62   4.436553 -10.351956 0.800
63   7.394255 -10.351956 0.800
64  10.351956 -10.351956 0.800