diff --git a/e2-estia.i b/e2-estia.i
index a0e20ad..bd9e79b 100644
--- a/e2-estia.i
+++ b/e2-estia.i
@@ -107,7 +107,7 @@ c read file=tallies/bunker_mesh_p.i echo
 c read file=tallies/bunker_mesh_np.i echo
 c read file=tallies/bunker_mesh_act.i echo
 c read file=tallies/full_mesh.i echo
-read file=tallies/full_mesh_p.i echo
+c read file=tallies/full_mesh_p.i echo
 c read file=tallies/full_mesh_np.i echo
 c read file=tallies/inbunker_f4.i echo
 c read file=tallies/chopper_pit_doses.i echo
@@ -118,6 +118,7 @@ c read file=tallies/shutter_f4.i echo
 c read file=tallies/shutter_f5.i echo
 c read file=tallies/selene1_walls_f4.i echo
 c read file=tallies/optical_cave_f5.i echo
+read file=tallies/optical_cave_gammas.i echo
 c read file=tallies/experimental_cave_f5.i echo
 c read file=tallies/cave_mesh.i echo
 c read file=tallies/selene1_f6.i echo
diff --git a/tallies/optical_cave_gammas.i b/tallies/optical_cave_gammas.i
new file mode 100644
index 0000000..a760ec3
--- /dev/null
+++ b/tallies/optical_cave_gammas.i
@@ -0,0 +1,12 @@
+c f5 detector tally besides beam just outside the selene 1/2 separator wall
+fc65     gamma flux behind selene1/2 separator
+f65:p    1328 -1756 -13 0.0
+t65      -1 1e5 1e18
+e65      1e-10 1.58e-3 2.51e-3 3.98e-3 6.31e-3 
+         1e-2  1.58e-2 2.51e-2 3.98e-2 6.31e-2 
+         1e-1  1.58e-1 2.51e-1 3.98e-1 6.31e-1 
+         1e-0  1.58    2.51    3.98    6.31 
+         1e+1  1.58e+1 2.51e+1 3.98e+1 6.31e+1 
+fq65 e f
+c     1-255 256 257 268 259-265 266-268 269-508 509-end
+pd65   0.001 254r 0.1 0.001 1 0.001 6r 1 2r 0.001 239r  0.1 110r 1 71r