PositronTargetWorkByChrissJackson

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

Performance tests

Heat load calculation

HRRL_Positron_Rotating_W_Target