Run6980 Y88 - Revision history

Foretony: /* Singles Run 6978 */

2014-02-11T17:15:03Z

Singles Run 6978

2014-02-11T17:14:25Z

Singles Run 6978

2013-12-30T05:04:17Z

1840 keV in HpGe with a cut around the NaI detectors 898 peak

2013-12-30T05:01:46Z

1840 keV in HpGe with a cut around the NaI detectors 898 peak

2013-12-30T04:59:14Z

1840 keV in HpGe with a cut around the NaI detectors 898 peak

2013-12-30T04:46:17Z

898 keV in HpGe with a cut around the 1840 keV line in NaI

2013-12-30T04:45:48Z

Coincidence Lines

2013-12-30T04:32:35Z

898 keV in HpGe and 1840 in NaI

2013-12-30T04:30:20Z

Coincidence Lines

2013-12-30T04:27:54Z

Coincidence Lines

← Older revision		Revision as of 17:15, 11 February 2014
Line 38:		Line 38:

	[[File:r6978_HpGe.png \| 200 px]][[File:r6978_NaI.png \| 200 px]]		[[File:r6978_HpGe.png \| 200 px]][[File:r6978_NaI.png \| 200 px]]
−
−
−	~~[[File:r6999_NaI.png \| 200 px]]~~

	==Coincidence Lines==		==Coincidence Lines==

← Older revision		Revision as of 17:14, 11 February 2014
Line 38:		Line 38:

	[[File:r6978_HpGe.png \| 200 px]][[File:r6978_NaI.png \| 200 px]]		[[File:r6978_HpGe.png \| 200 px]][[File:r6978_NaI.png \| 200 px]]
		+
		+
		+	[[File:r6999_NaI.png \| 200 px]]

	==Coincidence Lines==		==Coincidence Lines==

@@ Line 107: / Line 107: @@
 [[File:r6980_1840NaICoin.png | 200 px]]
-== 1840 keV in HpGe with a cut around the NaI detectors 898 peak==
+=== 1840 keV in HpGe with a cut around the NaI detectors 898 peak===
 ntuple->Draw("ADC7*0.595486-52.2669 >>r6978(2200,0,4400)")
 TH1F *r6978HpGeN=new TH1F("r6978HpGeN","r6978HpGeN",2200,0,4400)
@@ Line 133: / Line 133: @@
 There appears to be a chance to detect two 898 keV photons in both detectors in coincidence?  Probably one is an accidental.
 [[PAA_11-11-13#Y-88_coincidence_lines]]

← Older revision		Revision as of 05:01, 30 December 2013
Line 130:		Line 130:

	[[File:r6980_898NaICoin.png \| 200 px]]		[[File:r6980_898NaICoin.png \| 200 px]]
		+
		+	There appears to be a chance to detect two 898 keV photons in both detectors in coincidence? Probably one is an accidental.



	[[PAA_11-11-13#Y-88_coincidence_lines]]		[[PAA_11-11-13#Y-88_coincidence_lines]]

@@ Line 108: / Line 108: @@
 == 1840 keV in HpGe with a cut around the NaI detectors 898 peak==
 [[File:r6980_898NaICoin.png | 200 px]]
 [[PAA_11-11-13#Y-88_coincidence_lines]]

@@ Line 83: / Line 83: @@
 === 898 keV in HpGe with a cut around the 1840 keV line in NaI===
-[[File:r6980_1840NaICoin.png | 200 px]]
 ntuple->Draw("ADC7*0.595486-52.2669 >>r6980(2200,0,4400)","ADC3>1440 && ADC3 < 1560")
 == 1840 keV in HpGe with a cut around the NaI detectors 898 peak==

@@ Line 53: / Line 53: @@
 ntuple->Draw("ADC7*0.595486-52.2669 >>r6978(2200,0,4400)")
 TH1F *r6978HpGeN=new TH1F("r6978HpGeN","r6978HpGeN",2200,0,4400)
-r6978HpGeN->Add(r6978HpGe,0.003584229);
+r6978HpGeN->Add(r6978,0.003584229);

← Older revision		Revision as of 04:30, 30 December 2013
Line 77:		Line 77:

	The coincidence rate is a factor of 20 lower than the Singles rate		The coincidence rate is a factor of 20 lower than the Singles rate
		+
		+	A gaussian fit to the above TDC spectrum yields a mean of 114 nsec and a Sigma of 143 nsec.
		+

	=== 898 keV in HpGe and 1840 in NaI===		=== 898 keV in HpGe and 1840 in NaI===

← Older revision		Revision as of 04:27, 30 December 2013
Line 73:		Line 73:


−	[[File:r6978_6980HpGeOverlay.png \| 200 px]]	+	[[File:r6978_6980HpGeOverlay.png \| 200 px]][[File:r6980TDCdiff.png \| 200 px]]