Positrons Using The HRRL - Revision history

Foretony: /* Positron Momentum and Phase space distribution */

2012-07-19T14:32:51Z

Positron Momentum and Phase space distribution

2012-07-19T14:31:54Z

Positron Momentum and Phase space distribution

2012-07-19T14:30:38Z

Electron Momentum Distributions

2012-07-19T14:30:27Z

Electron Momentum Distributions

2012-07-19T14:29:49Z

Positron Momentum and Phase space distribution

2012-07-19T14:24:39Z

Positron Momentum and Phase space distribution

2012-07-19T05:56:59Z

Electron Momentum Distributions

2012-07-19T05:53:41Z

Electron Momentum Distributions

2012-07-19T05:30:24Z

Electron Momentum Distributions

2012-07-19T04:40:00Z

Electron Momentum Distributions

@@ Line 28: / Line 28: @@
-GEANT4 predicts about 1 , 2 MeV positron for every 10,000 electrons.  To get a single positron in a pulse you need a peak current of
+GEANT4 predicts about 1 , 2 MeV positron for every 10,000 electrons.  To get a single positron in a pulse you need a peak current of at least
 :<math>\frac{10^5 \times 1.6 \times 10^{-19} Coul }{300 \times 10^{-9}} = 50 </math>nA
 ===Electron Momentum Distributions===

@@ Line 29: / Line 29: @@
 GEANT4 predicts about 1 , 2 MeV positron for every 10,000 electrons.  To get a single positron in a pulse you need a peak current of
-:<math>\frac{10^4 \times 1.6 \times 10^{-19} Coul }{300 \times 10^{-9}} = 5 </math>nA
+:<math>\frac{10^5 \times 1.6 \times 10^{-19} Coul }{300 \times 10^{-9}} = 50 </math>nA
 ===Electron Momentum Distributions===

← Older revision		Revision as of 14:30, 19 July 2012
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	[[File:HRRL_PosPdist_10MeV1mmW_71912.png]]		[[File:HRRL_PosPdist_10MeV1mmW_71912.png]]
		+
		+
		+	GEANT4 predicts about 1 , 2 MeV positron for every 10,000 electrons. To get a single positron in a pulse you need a peak current of
		+	:<math>\frac{10^4 \times 1.6 \times 10^{-19} Coul }{300 \times 10^{-9}} = 5 </math>nA

	===Electron Momentum Distributions===		===Electron Momentum Distributions===

← Older revision		Revision as of 14:30, 19 July 2012
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	[[File:HRRL_15MeVePdist_71812.png]]		[[File:HRRL_15MeVePdist_71812.png]]
−
−	~~GEANT4 predicts about 1 , 2 MeV positron for every 10,000 electrons. To get a single positron in a pulse you need a peak current of~~
−	~~:<math>\frac{10^4 \times 1.6 \times 10^{-19} Coul }{300 \times 10^{-9}} = 5 </math>nA~~

	=Measured HRRL emittance=		=Measured HRRL emittance=

← Older revision		Revision as of 14:29, 19 July 2012
Line 48:		Line 48:

	[[File:HRRL_15MeVePdist_71812.png]]		[[File:HRRL_15MeVePdist_71812.png]]
		+
		+	GEANT4 predicts about 1 , 2 MeV positron for every 10,000 electrons. To get a single positron in a pulse you need a peak current of
		+	:<math>\frac{10^4 \times 1.6 \times 10^{-19} Coul }{300 \times 10^{-9}} = 5 </math>nA

	=Measured HRRL emittance=		=Measured HRRL emittance=

← Older revision		Revision as of 14:24, 19 July 2012
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	Reference serkan thesis		Reference serkan thesis

		+	GEANT4 simulation of 100 Million , 10 MeV electrons hitting a 0.8 mm thick Tungsten target at an angle of 45 degrees.
		+
		+	[[File:HRRL_PosPdist_10MeV1mmW_71912.png]]

	===Electron Momentum Distributions===		===Electron Momentum Distributions===

@@ Line 30: / Line 30: @@
 The electrons which penetrate a 1 mm Tungsten foil have the momentum distribution below
-For a 100,000 6 MeV incident electrons
+Accelerating 100,000 6 MeV  electrons onto a 1 mm thick Tungsten target
 [[File:HRRL_6MeVePdist_71812.png]]
@@ Line 37: / Line 37: @@
-For a 100,000 10 MeV incident electrons
+Accelerating 100,000 10 MeV  electrons onto a 1 mm thick Tungsten target
 [[File:HRRL_10MeVePdist_71812.png]]
-For a 100,000 15 MeV incident electrons
+Accelerating 100,000 15 MeV  electrons onto a 1 mm thick Tungsten target
 [[File:HRRL_15MeVePdist_71812.png]]

← Older revision		Revision as of 05:30, 19 July 2012
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	If the incident beam is 100 mA then you might get a current of 100*400/100000 = 0.4 mA of 3 MeV electrons.		If the incident beam is 100 mA then you might get a current of 100*400/100000 = 0.4 mA of 3 MeV electrons.
		+
		+
		+	For a 100,000 10 MeV incident electrons
		+
		+	[[File:HRRL_10MeVePdist_71812.png]]

	=Measured HRRL emittance=		=Measured HRRL emittance=

← Older revision		Revision as of 04:40, 19 July 2012
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	[[File:HRRL_6MeVePdist_71812.png]]		[[File:HRRL_6MeVePdist_71812.png]]
		+
		+	If the incident beam is 100 mA then you might get a current of 100*400/100000 = 0.4 mA of 3 MeV electrons.

	=Measured HRRL emittance=		=Measured HRRL emittance=