Experimental setup - Revision history

Oborn at 10:38, 25 August 2008

2008-08-25T10:38:19Z

2008-08-25T10:34:57Z

2008-04-18T18:30:31Z

2008-04-18T18:30:11Z

2008-04-18T18:29:23Z

2008-04-18T18:28:37Z

2008-04-17T23:11:06Z

2008-04-17T23:07:12Z

2008-04-17T23:03:59Z

2008-04-17T22:56:48Z

← Older revision		Revision as of 10:38, 25 August 2008
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	Collimator parameters: in upstream side of wall 1/2", in downstream side of wall 1(1/2)".		Collimator parameters: in upstream side of wall 1/2", in downstream side of wall 1(1/2)".
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		+	[[Image:whole_exp_setup.jpg]]
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		+	'''Figure 0''': sketch of experimental setup.

	[[Image:exp_setup1_1.jpg]]		[[Image:exp_setup1_1.jpg]]

← Older revision		Revision as of 10:34, 25 August 2008
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−	Collimator parameters: in upstream side of wall 5/~~8 <math>\rightarrow</math> 3/4~~", in downstream side of wall 1/2".	+	Collimator parameters: in upstream side of wall 1/2", in downstream side of wall 1(1/2)".

	[[Image:exp_setup1_1.jpg]]		[[Image:exp_setup1_1.jpg]]

@@ Line 1: / Line 1: @@
 Collimator parameters: in upstream side of wall 5/8 <math>\rightarrow</math> 3/4", in downstream side of wall 1/2".
-[[Image:exp_setup1_1.jpg|left|frame|figure]]
+[[Image:exp_setup1_1.jpg]]
 '''Figure 1''': 8:21 am - <math>40 mAmps</math> pulse, 200 ns, 300 Hz, <math>10^3 secs</math> of beam, 6 fissions. 9:10 am - Threshold 80 mV, <math>N_{T1} = 17.6 counts/10 min</math>.

@@ Line 1: / Line 1: @@
 Collimator parameters: in upstream side of wall 5/8 <math>\rightarrow</math> 3/4", in downstream side of wall 1/2".
-[[Image:exp_setup1_1.jpg|frame|figure]]
+[[Image:exp_setup1_1.jpg|left|frame|figure]]
 '''Figure 1''': 8:21 am - <math>40 mAmps</math> pulse, 200 ns, 300 Hz, <math>10^3 secs</math> of beam, 6 fissions. 9:10 am - Threshold 80 mV, <math>N_{T1} = 17.6 counts/10 min</math>.

@@ Line 1: / Line 1: @@
 Collimator parameters: in upstream side of wall 5/8 <math>\rightarrow</math> 3/4", in downstream side of wall 1/2".
-[[Image:exp_setup1_1.jpg|figure]]
+[[Image:exp_setup1_1.jpg|frame|figure]]
 '''Figure 1''': 8:21 am - <math>40 mAmps</math> pulse, 200 ns, 300 Hz, <math>10^3 secs</math> of beam, 6 fissions. 9:10 am - Threshold 80 mV, <math>N_{T1} = 17.6 counts/10 min</math>.

← Older revision		Revision as of 23:11, 17 April 2008
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−	[[Image:~~exp_setup4~~.jpg]]	+	[[Image:exp_setup4_2.jpg]]

	'''Figure 4''': <math>\Delta T = 200 ns</math>, <math>I_e = 40 mA</math>, <math>f = 300 Hz</math>, <math>E_e = 20 MeV</math>, <math>q = 8.7 nC/pulse</math>. <math>N_{T2} \sim 48 counts/10 min</math>, <math>N_{T1} (thresh = 30 mV, beam on) = 1065 counts/10 min</math>, threshold = 80 mV, <math>P_B = 33.9</math>. Geometrical dimensions for detector placement and chamber size are the same as in Figure 1.		'''Figure 4''': <math>\Delta T = 200 ns</math>, <math>I_e = 40 mA</math>, <math>f = 300 Hz</math>, <math>E_e = 20 MeV</math>, <math>q = 8.7 nC/pulse</math>. <math>N_{T2} \sim 48 counts/10 min</math>, <math>N_{T1} (thresh = 30 mV, beam on) = 1065 counts/10 min</math>, threshold = 80 mV, <math>P_B = 33.9</math>. Geometrical dimensions for detector placement and chamber size are the same as in Figure 1.

@@ Line 10: / Line 10: @@
 Geometrical dimensions for detector placement and chamber size are the same as in Figure 1.
-[[Image:exp_setup3.jpg]]
+[[Image:exp_setup3_2.jpg]]
 '''Figure 3''': <math>\Delta T = 200 ns</math>, <math>I_e = 40 mA</math>, <math>f = 300 Hz</math>, <math>E_e = 20 MeV</math>, <math>q = 8.7 nC/pulse</math>. <math>N_{T2} = 46 counts/10 min</math>, threshold = 80 mV, <math>P_B = 33.9</math>. Geometrical dimensions for detector placement and chamber size are the same as in Figure 1.

@@ Line 5: / Line 5: @@
 '''Figure 1''': 8:21 am - <math>40 mAmps</math> pulse, 200 ns, 300 Hz, <math>10^3 secs</math> of beam, 6 fissions. 9:10 am - Threshold 80 mV, <math>N_{T1} = 17.6 counts/10 min</math>.
-[[Image:exp_setup2.jpg]]
+[[Image:exp_setup2_2.jpg]]
 '''Figure 2''': <math>\Delta T = 200 ns</math>, <math>I_e = 40 mA</math>, <math>f = 300 Hz</math>, <math>E_e = 20 MeV</math>, <math>q = 8.7 nC/pulse</math>. <math>N_{T1} = 12 counts/10 min</math>, <math>N_{T2} = 35 counts/10 min</math>.

@@ Line 24: / Line 24: @@
 '''Figure 4''': This new architecture is used for obtaining timing spectra during runs 60 - 63 (http://www.iac.isu.edu/mediawiki/index.php/Timing_spectra), <math>P_B = 3.97 Torr</math>, <math>P_C = 4.5 Torr</math>.
-[[Image:exp_setup6.jpg]]
+[[Image:exp_setup6_2.jpg]]
 '''Figure 5''': Beam produces nuclear fragments on <math>C^{12}</math> and Al and fission fragments on <math>U^{235}</math>. P = 4.96 Torr (heptane), <math>N_{T1} \sim 4.6/100 sec</math> (beam off), <math>N_{T1} \sim 2.75/100 sec</math> (beam on!). Chambers are not stable due to vacuum leak.