Revision as of 18:26, 14 March 2012

Chriss Jackson's Positron Target development logbook

Goal: Construct a Tungsten target and vacuum enclosure to be used for generating positrons using an incident electron beam.

Geometry

Tungsten Disks

Dimensions are in cm

http://www.alibaba.com/product-gs/346924116/Tungsten_Disk_With_Screw.html

http://www.zlxtech.com.cn/products.asp?productcode=7401000404

If the motor has a radius of 2.5" and I want to shield the motor from the beam using 2" of Pb and the beam is about 1" in diameter then I want a Tungsten disk that is

5.21" in radius = 13.25 cm in radius ~ 30 cm in diameter

Equipment

Motor

Controller

Vacuum Chamber

Feedthroughs

Performance tests

Heat load calculation

HRRL_Positron_Rotating_W_Target

@@ Line 5: / Line 5: @@
 =Geometry=
+==Tungsten Disks==
+;Dimensions are in cm
+[[File:HRRL_PosTargetDesign_4-20-11.png| 200 px]]
+http://www.alibaba.com/product-gs/346924116/Tungsten_Disk_With_Screw.html
+http://www.zlxtech.com.cn/products.asp?productcode=7401000404
+http://www.cleveland-tungsten.com/
+If the motor has a radius of 2.5" and I want to shield the motor from the beam using 2" of Pb and the beam is about 1" in diameter then I want a Tungsten disk that is
+.21" in radius = 13.25 cm in radius ~ 30 cm in diameter
 =Equipment=

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