Qweak Elastic GEM Profile - Revision history

Oborn at 20:03, 13 November 2010

2010-11-13T20:03:18Z

2009-05-15T16:31:21Z

2009-05-15T16:30:22Z

2009-05-15T16:29:17Z

2009-05-14T15:34:41Z

2009-05-14T15:33:51Z

2009-05-14T15:29:23Z

2009-05-14T15:28:04Z

2007-12-11T16:42:50Z

2007-12-11T16:42:07Z

← Older revision		Revision as of 20:03, 13 November 2010
Line 25:		Line 25:

	The electron profile closest to the beam pipe center appears to be about 8 cm away from the beam pipe center now instead of about 7.5 cm.		The electron profile closest to the beam pipe center appears to be about 8 cm away from the beam pipe center now instead of about 7.5 cm.
		+
		+	[[File:Qweak_E-coincidenceProfile.gif]]

	[http://wiki.iac.isu.edu/mediawiki/index.php/Qweak Go Back][[Qweak]]		[http://wiki.iac.isu.edu/mediawiki/index.php/Qweak Go Back][[Qweak]]

← Older revision		Revision as of 16:31, 15 May 2009
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	The electron profile closest to the beam pipe center appears to be about 8 cm away from the beam pipe center now instead of about 7.5 cm.		The electron profile closest to the beam pipe center appears to be about 8 cm away from the beam pipe center now instead of about 7.5 cm.

−	[http://~~www~~.iac.isu.edu/mediawiki/index.php/Qweak Go Back]	+	[http://wiki.iac.isu.edu/mediawiki/index.php/Qweak Go Back][[Qweak]]

@@ Line 2: / Line 2: @@
 the 35 cm target is at Z = -650 cm
 If <math>\theta = </math> 6 degrees and Z = -528-(-650)+35/2 = 139.5 cm then Y = Z \tan(6) =14.6 cm
@@ Line 10: / Line 11: @@
 If <math>\theta = </math> 11 degrees and Z = -558-(-650)-35/2 = 74.5 cm then Y = Z \tan(11) =  14.48 cm
 Profiles generated by Neven using Katherine's Euclid file ([[Media:qweak_gw_5-dec-07.euclid.txt]])  representing the collimator design dated 8/8/07 from [http://www.iac.isu.edu/mediawiki/index.php/Collimator Paulo's Drawing "Hall -V QWEAK EXPERIMENT COLLIMATOR BUNKER SETUP UPSTREAM CLEANUP COLLIMATOR" # 67503-E-00021].

@@ Line 1: / Line 1: @@
 Elastic electron scattering profile at Z=-528 and Z=-558, the two limits of the GEM keep out zone.
-the 100 cm target is at Z = -650 cm
+the 35 cm target is at Z = -650 cm
-If <math>\theta = </math> 6 degrees and Z = -528-(-650)+50 = 122 cm then Y = 12.8 cm
+If <math>\theta = </math> 6 degrees and Z = -528-(-650)+35/2 = 139.5 cm then Y = Z \tan(6) =14.6 cm
-If <math>\theta = </math> 6 degrees and Z = -558-(-650)-50 = 122 cm then Y = cm
+If <math>\theta = </math> 6 degrees and Z = -558-(-650)-35/2 = 74.5 cm then Y = Z \tan(6) = 7.8 cm
-If <math>\theta = </math>11 degrees and Z = -528-(-650)+50 = 122 cm then Y = 12.8 cm
+IIf <math>\theta = </math> 11 degrees and Z = -528-(-650)+35/2 = 139.5 cm then Y = Z \tan(11) =27.12 cm
-If <math>\theta =</math> 11 degrees and Z = -528-(-650)+50= 14 cm
+If <math>\theta = </math> 11 degrees and Z = -558-(-650)-35/2 = 74.5 cm then Y = Z \tan(11) =  14.48 cm
 Profiles generated by Neven using Katherine's Euclid file ([[Media:qweak_gw_5-dec-07.euclid.txt]])  representing the collimator design dated 8/8/07 from [http://www.iac.isu.edu/mediawiki/index.php/Collimator Paulo's Drawing "Hall -V QWEAK EXPERIMENT COLLIMATOR BUNKER SETUP UPSTREAM CLEANUP COLLIMATOR" # 67503-E-00021].

@@ Line 3: / Line 3: @@
 the 100 cm target is at Z = -650 cm
 If <math>\theta = </math> 6 degrees and Z = -528-(-650)+50 = 122 cm then Y = 12.8 cm
 If <math>\theta = </math> 6 degrees and Z = -558-(-650)-50 = 122 cm then Y = cm
 If <math>\theta = </math>11 degrees and Z = -528-(-650)+50 = 122 cm then Y = 12.8 cm
 If <math>\theta =</math> 11 degrees and Z = -528-(-650)+50= 14 cm

@@ Line 2: / Line 2: @@
 Z target = -650 cm
-If <math>\theta = </math> 6 degrees and Z = 72 + 50 = 122 cm then Y =
+If <math>\theta = </math> 6 degrees and Z = 72 + 50 = 122 cm then Y = 12.8 cm
 If <math>\theta =</math> 11 degrees and Z = 72 + 50 = 122 cm

← Older revision		Revision as of 15:28, 14 May 2009
Line 1:		Line 1:
−	Elastic electron scattering profile at Z=-528 and Z=-558, the two limits of the ~~GEm~~ keep out zone.	+	Elastic electron scattering profile at Z=-528 and Z=-558, the two limits of the GEM keep out zone.
		+
		+	Z target = -650 cm
		+	If <math>\theta = </math> 6 degrees and Z = 72 + 50 = 122 cm then Y =
		+	If <math>\theta =</math> 11 degrees and Z = 72 + 50 = 122 cm

	Profiles generated by Neven using Katherine's Euclid file ([[Media:qweak_gw_5-dec-07.euclid.txt]]) representing the collimator design dated 8/8/07 from [http://www.iac.isu.edu/mediawiki/index.php/Collimator Paulo's Drawing "Hall -V QWEAK EXPERIMENT COLLIMATOR BUNKER SETUP UPSTREAM CLEANUP COLLIMATOR" # 67503-E-00021].		Profiles generated by Neven using Katherine's Euclid file ([[Media:qweak_gw_5-dec-07.euclid.txt]]) representing the collimator design dated 8/8/07 from [http://www.iac.isu.edu/mediawiki/index.php/Collimator Paulo's Drawing "Hall -V QWEAK EXPERIMENT COLLIMATOR BUNKER SETUP UPSTREAM CLEANUP COLLIMATOR" # 67503-E-00021].

← Older revision		Revision as of 16:42, 11 December 2007
Line 1:		Line 1:
	Elastic electron scattering profile at Z=-528 and Z=-558, the two limits of the GEm keep out zone.		Elastic electron scattering profile at Z=-528 and Z=-558, the two limits of the GEm keep out zone.

−	Profiles generated by Neven using Katherine's Euclid file ([[Media:qweak_gw_5-dec-07.euclid.txt]]) representing the collimator design dated 8/8/07 from [http://www.iac.isu.edu/mediawiki/index.php/Collimator Paulo's Drawing "Hall -V QWEAK EXPERIMENT COLLIMATOR BUNKER SETUP UPSTREAM ~~CLEAUP~~ COLLIMATOR" # 67503-E-00021].	+	Profiles generated by Neven using Katherine's Euclid file ([[Media:qweak_gw_5-dec-07.euclid.txt]]) representing the collimator design dated 8/8/07 from [http://www.iac.isu.edu/mediawiki/index.php/Collimator Paulo's Drawing "Hall -V QWEAK EXPERIMENT COLLIMATOR BUNKER SETUP UPSTREAM CLEANUP COLLIMATOR" # 67503-E-00021].