PAA CoincidenceCounting - Revision history

Foretony: /* Au */

2014-01-07T17:35:23Z

2014-01-07T17:34:06Z

2013-11-11T23:15:54Z

8/22/13 Activation

2013-10-31T15:51:08Z

Setup

2013-10-31T15:45:13Z

Na-22 Coincidence?

2013-09-27T16:11:12Z

2013-09-27T15:17:42Z

2013-09-16T19:56:17Z

Au-196 Meta state

2013-08-23T16:14:35Z

8/16/13 Au irradiation

2013-08-20T16:28:28Z

Coincidence lines for Eu-152

← Older revision		Revision as of 17:35, 7 January 2014
Line 324:		Line 324:
	$50 flame tests can measure concentrations down to 100 PPM		$50 flame tests can measure concentrations down to 100 PPM

		+	===Photon based exitation===

		+	A photon excites Au-196 natural gold to the

@@ Line 321: / Line 321: @@
 ==Au==
 ===neutron knockout===
 Knock a neutron out of natural gold such that an excited state of Au-196 remains that will undergo electron capture to Pt-196 with a half life of 6 days or 2% of the time it can be left in a meta stable state with two possible half lifes of 8 seconds or 9 hours.

@@ Line 597: / Line 597: @@
 =NaI & HpGe Coinc=
-=Setup=
+==Setup==
 [[CAA_NaI_HpGe_CoinSetup]]
 [[TF_CPAA_Log]][[TF_CPAA_Patents]][[PAA_Research]]

← Older revision		Revision as of 15:45, 31 October 2013
Line 595:		Line 595:
	\|}		\|}

		+	=NaI & HpGe Coinc=

		+	=Setup=
		+
		+	[[CAA_NaI_HpGe_CoinSetup]]


	[[TF_CPAA_Log]][[TF_CPAA_Patents]][[PAA_Research]]		[[TF_CPAA_Log]][[TF_CPAA_Patents]][[PAA_Research]]

@@ Line 3: / Line 3: @@
 Canberra Model 9615 < 0.04% (integral) over 2usec
-Canberra Model 9633 < 0.025% (integral)  < 0.9% (differential), +10V range into 1kOhm, 8192 channels, 100 usec signal width => 100 pC/chan
+Canberra Model 9633 < 0.025% (integral)  < 0.9% (differential), +10V range into 1kOhm, 8192 channels (13 bit), 100 usec signal width => 100 pC/chan
 CAEN V792  < 0.1% (integral), 200 fC/chan

← Older revision		Revision as of 15:17, 27 September 2013
Line 8:		Line 8:

	CAEN digitizer VX1492, 14 bit, 10 Volt range		CAEN digitizer VX1492, 14 bit, 10 Volt range
		+
		+	CAEN V1720:

@@ Line 333: / Line 333: @@
 The 8 sec metastable state of Au-196 decays through the emission of only one 84.66 keV photon.
-The 9.6 hour metastable state has high intensity gamma lines at 147.81 keV and 188.27 keV.
+The 9.6 hour metastable state has high intensity gamma lines at 147.81 keV and 188.27 keV.  The 147.81 and the 188.27 are in coincidence.
 ====Pt-196 decay EC decay====

@@ Line 475: / Line 475: @@
 | 5716 || Coincidences for Ba-133 10 uCi source. The CFD widths were 10 nsec making the coincidence window 20 nsec. running time 7 hrs , 33 min,  14sec. Rate was 1 Hz
 |-
-| 5718 || Logic Unit in '''OR''' mode for Ba-133 10 uCi source. The CFD widths were 10 nsec making the coincidence window 20 nsec. running time 2 min,  5 sec. Rate was 4 kHz [[File:r5716-5718_Ba-133Coinc.png | 200 px]]
+| 5718 || Logic Unit in '''OR''' mode for Ba-133 10 uCi source. The CFD widths were 10 nsec making the coincidence window 20 nsec. running time 2 min,  5 sec. Rate was 4 kHz [[File:r5716-5718_Ba-133Coinc.png | 200 px]]  [[r5718-5716_Ba133Analysis]]
 |-
 | 5719 || Logic Unit in '''OR''' mode for Eu-152 10 uCi source. The CFD widths were 10 nsec making the coincidence window 20 nsec. running time  3min,  54 sec. Rate was 5 kHz