Difference between revisions of "PositronTargetWorkByChrissJackson"
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|[[File:Target_box-bottom.jpg | 100 px]]||[[File:Target_box-front.jpg | 100 px]] || [[File:Target_box-left.jpg | 100 px]]|| [[File:Target_box-iso.jpg | 100 px]] | |[[File:Target_box-bottom.jpg | 100 px]]||[[File:Target_box-front.jpg | 100 px]] || [[File:Target_box-left.jpg | 100 px]]|| [[File:Target_box-iso.jpg | 100 px]] | ||
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| − | | Bottom view || Front View || Left View || Isometric View |} | + | | Bottom view || Front View || Left View || Isometric View |
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Revision as of 17:19, 11 May 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
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
5.21" in radius = 13.25 cm in radius ~ 30 cm in diameter
Target Chamber design
Latest Design From empire and Sadiq's measurement of the available space
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| Target motor Design | Available beam line space | Motor axle coupling to rotary union | Hub and spline to attache targets |
Dimensions for the target chamber box. Measurements in inches.
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| Bottom view | Front View | Left View | Isometric View |
The resolution in the above image makes it too dificult to read the numbers. See if you can upload a PDF version.