Run Plan - Revision history

Oborn at 20:06, 5 January 2008

2008-01-05T20:06:09Z

2008-01-05T20:05:14Z

2008-01-05T20:03:48Z

2008-01-05T19:59:26Z

2008-01-05T18:52:16Z

2008-01-05T18:42:55Z

2008-01-05T18:42:10Z

2008-01-05T18:38:08Z

2008-01-05T18:37:31Z

2008-01-05T18:35:45Z

← Older revision		Revision as of 20:06, 5 January 2008
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−	'''Run -- BRICK IN'''	+	'''Run -- BRICK IN''' (Thick as a brick)

	o With the canonical settings. Positions (reckoned in mm) ''x'': 50, 25, 0 ; ''y'': 2, 0, -2,		o With the canonical settings. Positions (reckoned in mm) ''x'': 50, 25, 0 ; ''y'': 2, 0, -2,

@@ Line 5: / Line 5: @@
 Set coincidence gate of two paddles to fall within 15-20 ns
-Verify that scalars are set for the paddles: singles from front and back + coincidence.
+Verify that scalers are set for the paddles: singles from front and back + coincidence.
 Verify that gas is flowing into Accelerator Room (bubbles).
 The zero point is where the laser beam intersects the feedthrough trumpet in the plane of sense
-wire 4. The laser beam will first strike the guard wire trumpet.  At 30 to 50 Hz, we can get ample statististics for a 2-min run at each setting.  This is to be confirmed by the scalars.
+wire 4. The laser beam will first strike the guard wire trumpet.  At 30 to 50 Hz, we can get ample statististics for a 2-min run at each setting.  This is to be confirmed by the scalers.
 ''x'':  along wire and ''y'': vertical distance from sense wire 4.

@@ Line 25: / Line 25: @@
   o Set:
      sense: +1375 to +1550V in steps of 25V
-     field  -688  to -750V  in steps of 12.5V
+     field  -688  to -775V  in steps of 12.5V (12 or 13V)
-     guard  +688  to +750V  in steps of 12.5V
+     guard  +688  to +775V  in steps of 12.5V
   o Once we find the "sweet spot" fix settings of field, guard, and

@@ Line 5: / Line 5: @@
 Set coincidence gate of two paddles to fall within 15-20 ns
-Verify that scalars are set: singles from front and back + coincidence.
+Verify that scalars are set for the paddles: singles from front and back + coincidence.
 Verify that gas is flowing into Accelerator Room (bubbles).

@@ Line 9: / Line 9: @@
 Verify that gas is flowing into Accelerator Room (bubbles).
-The zero point is where the laser beam intersects the feedthrough trumpet.  I figure at
+The zero point is where the laser beam intersects the feedthrough trumpet in the plane of sense
-Hz, we can get ample statististics for a 2-min run at each setting.  This is to be
+wire 4. The laser beam will first strike the guard wire trumpet.  At 30 to 50 Hz, we can get ample statististics for a 2-min run at each setting.  This is to be confirmed by the scalars.
 ''x'':  along wire and ''y'': vertical distance from sense wire 4.
@@ Line 47: / Line 46: @@
   o Repeat measurements for efficiency and charge/evt.

@@ Line 41: / Line 41: @@
 '''Run -- BRICK IN'''
-o With the canonical settings.  Positions (reckoned in mm) ''x'':  50, 25, 0 ; ''y'':   2, 0, -2,
+ o With the canonical settings.  Positions (reckoned in mm) ''x'':  50, 25, 0 ; ''y'':   2, 0, -2,
 '''SWAP METALICA and PLASTICA'''.
-o Repeat measurements for efficiency and charge/evt.
+ o Repeat measurements for efficiency and charge/evt.

← Older revision		Revision as of 18:42, 5 January 2008
Line 6:		Line 6:

	Verify that scalars are set: singles from front and back + coincidence.		Verify that scalars are set: singles from front and back + coincidence.
		+
		+	Verify that gas is flowing into Accelerator Room (bubbles).

	The zero point is where the laser beam intersects the feedthrough trumpet. I figure at		The zero point is where the laser beam intersects the feedthrough trumpet. I figure at

← Older revision		Revision as of 18:38, 5 January 2008
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	'''SWAP METALICA and PLASTICA'''.		'''SWAP METALICA and PLASTICA'''.

−	o Repeat measurements.	+	o Repeat measurements for efficiency and charge/evt.

@@ Line 28: / Line 28: @@
   o Once we find the "sweet spot" fix settings of field, guard, and
-     sense wires.  Move chamber to +3mm, 2mm, 1mm, -1mm, -2mm, -3mm.
+     sense wires.  Move chamber to +3mm, 2mm, 1mm, 0, -1mm, -2mm, -3mm.
@@ Line 40: / Line 40: @@
 o With the canonical settings.  Positions (reckoned in mm) ''x'':  50, 25, 0 ; ''y'':   2, 0, -2,

← Older revision		Revision as of 18:35, 5 January 2008
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	'''Run -- BRICK IN'''		'''Run -- BRICK IN'''

−	o With the canonical settings. Positions (reckoned in mm) ''x'': 50, 25, 0 ; ''y'': 2, 0, -2, ~~-3.~~	+	o With the canonical settings. Positions (reckoned in mm) ''x'': 50, 25, 0 ; ''y'': 2, 0, -2,