CLAS12 r4139 - Revision history

Foretony at 14:29, 29 May 2013

2013-05-29T14:29:23Z

2013-05-21T18:23:44Z

2013-05-17T21:47:29Z

Drift time

2013-05-17T21:46:37Z

2013-05-17T21:38:10Z

2013-05-17T19:22:05Z

2013-05-17T19:21:05Z

New page

[[CLAS12_R1_S1_QA#Runlist_Disc.3D30_mv]]

@@ Line 1: / Line 1: @@
 [[File:r4139_TDCtimeAllChan.png| 200 px]]
 if((evt_TDC1190[107]-evt_TDC1190[106]>-600) && (evt_TDC1190[107]-evt_TDC1190[106])<-250 && abs(evt_TDC1190[104]-evt_TDC1190[106])<300)
@@ Line 7: / Line 8: @@
 [[File:r4139_TDCtimeAllChanCuts.png| 200 px]]
 [[File:r4139_Occupancy.png| 200 px]]
 [[File:r4139_WireTimeDiffCuts.png| 200 px]]

← Older revision		Revision as of 21:47, 17 May 2013
Line 13:		Line 13:
	=Drift time=		=Drift time=

−	<math>t_{drift} = t_{start} _ t_0 -t_{TDC}-t_{flight}-t_{prop} - t_{walk}</math>	+	<math>t_{drift} = t_{start} - t_0 -t_{TDC}-t_{flight}-t_{prop} - t_{walk}</math>

← Older revision		Revision as of 21:46, 17 May 2013
Line 10:		Line 10:
	[[File:r4139_WireTimeDiffCuts.png\| 200 px]]		[[File:r4139_WireTimeDiffCuts.png\| 200 px]]

		+
		+	=Drift time=
		+
		+	<math>t_{drift} = t_{start} _ t_0 -t_{TDC}-t_{flight}-t_{prop} - t_{walk}</math>
		+
		+
		+	<math>t_{start}</math> =event start time
		+
		+	<math> t_0</math> =fixed time delay for the wire
		+
		+	<math>t_{TDC}</math>=raw TDC time measurement (time is subtracted because TDCs are in common stop mode)
		+
		+	<math>t_{flight}</math>=particles flight time from reaction vertex to the wire
		+
		+	<math>t_{prop}</math> =signal propagation time along the wire
		+
		+	<math>t_{walk}</math>=time-walk correction for short drift times due to different ionizations for slow and fast particles

	[[CLAS12_R1_S1_QA#Runlist_Disc.3D30_mv]]		[[CLAS12_R1_S1_QA#Runlist_Disc.3D30_mv]]

@@ Line 1: / Line 1: @@
 [[File:r4139_TDCtimeAllChan.png| 200 px]]
@@ Line 7: / Line 6: @@
 [[File:r4139_TDCtimeAllChanCuts.png| 200 px]]
 [[File:r4139_Occupancy.png| 200 px]]
 [[File:r4139_WireTimeDiff.png| 200 px]]
 [[File:r4139_WireTimeDiffCuts.png| 200 px]]
 [[CLAS12_R1_S1_QA#Runlist_Disc.3D30_mv]]

← Older revision		Revision as of 19:22, 17 May 2013
Line 1:		Line 1:

		+	[[File:r4139_TDCtimeAllChan.png\| 200 px]]

		+	if((evt_TDC1190[107]-evt_TDC1190[106]>-600) && (evt_TDC1190[107]-evt_TDC1190[106])<-250 && abs(evt_TDC1190[104]-evt_TDC1190[106])<300)

		+
		+
		+	[[File:r4139_TDCtimeAllChanCuts.png\| 200 px]]
		+
		+	[[File:r4139_Occupancy.png\| 200 px]]
		+
		+
		+	[[File:r4139_WireTimeDiff.png\| 200 px]]
		+
		+	[[File:r4139_WireTimeDiffCuts.png\| 200 px]]


	[[CLAS12_R1_S1_QA#Runlist_Disc.3D30_mv]]		[[CLAS12_R1_S1_QA#Runlist_Disc.3D30_mv]]