From 4d52205627a307834dc175433226575b5fd02c3b Mon Sep 17 00:00:00 2001
From: Eric Pooser <pooser@jlab.org>
Date: Wed, 2 Aug 2017 08:25:18 -0400
Subject: [PATCH] Updated SHMS hodoscope parameters provided by Howard (#197)
---
PARAM/SHMS/HODO/GEOM/phodo_geom.param | 41 ++++++++++++++++++---------
1 file changed, 27 insertions(+), 14 deletions(-)
diff --git a/PARAM/SHMS/HODO/GEOM/phodo_geom.param b/PARAM/SHMS/HODO/GEOM/phodo_geom.param
index 2d1ce596..a465b3f9 100644
--- a/PARAM/SHMS/HODO/GEOM/phodo_geom.param
+++ b/PARAM/SHMS/HODO/GEOM/phodo_geom.param
@@ -4,19 +4,28 @@ phodo_plane_names = "1x 1y 2x 2y"
ppathlength_central = 1800
-; Z positions of hodoscopes
-pscin_1x_zpos = 56.35-4.8
-pscin_1y_zpos = 56.35+4.8
-pscin_2x_zpos = 276.35-9.5
-pscin_2y_zpos = 276.35+9.5
-pscin_1x_dzpos = 2.12
-pscin_1y_dzpos = 2.12
-pscin_2x_dzpos = 2.12
-pscin_2y_dzpos = 5.19
+; Many dimensions were updated on 7/28/17 by hcf from construction drawings.
+
+; Z positions of odd-numbered hodoscope paddle centers
+; These are based upon a tape-measure survey by hcf on 7/28/17
+pscin_1x_zpos = 56.9-4.8
+pscin_1y_zpos = 56.9+4.8
+pscin_2x_zpos = 267.7+3.7
+pscin_2y_zpos = 267.7+14.7
+
+; delta-Z from odd-numbered to even-numbered paddles
+pscin_1x_dzpos = 2.12
+pscin_1y_dzpos = -2.12
+pscin_2x_dzpos = -2.12
+pscin_2y_dzpos = -5.4
+
+; hodoscope paddle widths
pscin_1x_size = 8.0
pscin_1y_size = 8.0
pscin_2x_size = 10.0
pscin_2y_size = 5.5
+
+; pitch of hodoscope elements
pscin_1x_spacing = 7.5
pscin_1y_spacing = 7.5
pscin_2x_spacing = 9.5
@@ -27,7 +36,7 @@ pscin_1x_nr = 13
pscin_1y_nr = 13
pscin_2x_nr = 14
pscin_2y_nr = 21
-
+
; X,Y positions of hodoscope paddles
pscin_1x_left = 50.
pscin_1x_right = -50
@@ -45,6 +54,7 @@ pscin_1x_center= -45.0
30.0
37.5
45.0
+
pscin_1y_top = -45
pscin_1y_bot = 45
pscin_1y_offset= 0.0
@@ -61,12 +71,13 @@ pscin_1y_center= +45.0
-30.0
-37.5
-45.0
+
pscin_2x_left = 55.
pscin_2x_right = -55.
pscin_2x_offset= 0.0
pscin_2x_center= -61.75
- -52.25
- -42.75
+ -52.25
+ -42.75
-33.25
-23.75
-14.25
@@ -76,8 +87,9 @@ pscin_2x_center= -61.75
23.75
33.25
42.75
- 52.25
+ 52.25
61.75
+
pscin_2y_top = -62.5
pscin_2y_bot = 62.5
pscin_2y_offset= 0.0
@@ -101,4 +113,5 @@ pscin_2y_center= 50.
-35.
-40.
-45.
- -50.
\ No newline at end of file
+ -50.
+
--
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