Run6973 BckGrd - Revision history

Foretony: /* Singles backgrounds */

2014-01-09T21:31:52Z

Singles backgrounds

2014-01-09T21:31:43Z

2013-12-28T23:13:57Z

2013-12-27T02:15:36Z

2013-12-26T22:59:21Z

NaI 511 coincidence cut

2013-12-26T22:58:33Z

NaI 511 coincidence cut

2013-12-26T22:58:17Z

NaI 511 coincidence cut

2013-12-25T21:29:08Z

NaI 511 coincidence cut

2013-12-25T21:23:28Z

2013-12-25T05:20:55Z

@@ Line 5: / Line 5: @@
 Tl-208: 277, 583, 860
 Pb-214: 241, 295, 351
 Bi-214: 609, 1120, 1238, 1764

← Older revision		Revision as of 21:31, 9 January 2014
Line 1:		Line 1:
−	~~Run 6973~~

		+	=Singles backgrounds=
		+
		+	Singles back ground sources
		+
		+	Tl-208: 277, 583, 860
		+	Pb-214: 241, 295, 351
		+	Bi-214: 609, 1120, 1238, 1764
		+
		+	=Run 6973=

	run time recorded by 10 Hx clock into scaler channel 5		run time recorded by 10 Hx clock into scaler channel 5

← Older revision		Revision as of 23:13, 28 December 2013
Line 1:		Line 1:
	Run 6973		Run 6973
		+
		+
		+	run time recorded by 10 Hx clock into scaler channel 5
		+
		+	5976273-66=5976207/10 = 59762.07 seconds = 166 hrs = 6.9 days
		+
		+	At event number 1941300 the scaler reads the same value, I think the DAQ failed right when the HV on the HpGe tripped.
		+

← Older revision		Revision as of 02:15, 27 December 2013
Line 1:		Line 1:
	Run 6973		Run 6973
		+
		+
		+	The HpGe detector warmed up during the run after about Event Number 1916000, you can tell the HV tripped because ADC7 starts loose events above 1500 channels after EventNumber >1910300
		+
		+	compare the plots
		+
		+	ntuple->Draw("ADC7 >>(1100,0,4400)","EventNumber>1941300 && EventNumber < 2000000")
		+
		+	ntuple->Draw("ADC7 >>(1100,0,4400)","EventNumber>1901300 && EventNumber < 2000000")
		+

	The following lines were observed by the HpGe detector.		The following lines were observed by the HpGe detector.

← Older revision		Revision as of 22:59, 26 December 2013
Line 19:		Line 19:


−	<math>{152 \atop \; }Eu \rightarrow {152 \atop \; }Sm + e^+ + \gamma</math> with a half life of 13 years.	+	<math>{152 \atop \; }Eu \rightarrow {152 \atop \; }Sm^* + e^+ \rightarrow {152 \atop \; }Sm + \gamma</math> with a half life of 13 years.

	gamma lines are at : 386, 493		gamma lines are at : 386, 493

← Older revision		Revision as of 22:58, 26 December 2013
Line 19:		Line 19:


−	<math>{152 \atop \; }Eu \rightarrow {152 \atop \; }Sm^* + e^+ + \gamma</math> with a half life of 13 years.	+	<math>{152 \atop \; }Eu \rightarrow {152 \atop \; }Sm + e^+ + \gamma</math> with a half life of 13 years.

	gamma lines are at : 386, 493		gamma lines are at : 386, 493

@@ Line 19: / Line 19: @@
-<math>{152 \atop \; }Eu \rightarrow {196 \atop \; }Pt^* </math> with a half life of 6 days.
+<math>{152 \atop \; }Eu \rightarrow {152 \atop \; }Sm^* + e^+ + \gamma</math> with a half life of 13 years.
-Eu-152: 385.69, e+
+gamma lines are at : 386, 493
 == NaI 2103 Coincidence cut==

← Older revision		Revision as of 21:29, 25 December 2013
Line 17:		Line 17:
	[[File:r6973_HpGe_NaI511CoinCut.png \| 200 px]][[File:r6973_HpGe_NaI511CoinCutLog.png \| 200 px]]		[[File:r6973_HpGe_NaI511CoinCut.png \| 200 px]][[File:r6973_HpGe_NaI511CoinCutLog.png \| 200 px]]

		+
		+
		+	<math>{152 \atop \; }Eu \rightarrow {196 \atop \; }Pt^* </math> with a half life of 6 days.

	Eu-152: 385.69, e+		Eu-152: 385.69, e+

@@ Line 8: / Line 8: @@
 Place a cut around the 511 keV photons seen in the NaI detector yields the following lines observed by the HpGe detector as shown below.
@@ Line 19: / Line 17: @@
 [[File:r6973_HpGe_NaI511CoinCut.png | 200 px]][[File:r6973_HpGe_NaI511CoinCutLog.png | 200 px]]
 Place a cut around the 2103 keV photons seen in the NaI detector yields a 511 and a 583 keV line observed by the HpGe detector as shown below.

← Older revision		Revision as of 05:20, 25 December 2013
Line 6:		Line 6:

	[[File:r6973_HpGe_raw.png \| 200 px]][[File:r6973_NaI_raw.png \| 200 px]]		[[File:r6973_HpGe_raw.png \| 200 px]][[File:r6973_NaI_raw.png \| 200 px]]
		+
		+
		+	Eu-152: 385.69, e+
		+
		+	Eu-152: 441, e+