Difference between revisions of "GlueX Target Design Review, February 8, 2013"

Revision as of 08:37, 8 February 2013

Present: Dave Meekins, Jim Fochtman, Mark Ito, Chris Keith, Tim Whitlatch,

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 ==Notes==
-* Target volume of 0.4 l of liquid hydrogen expands to about 1000 l at STP.
-* Hall B pumps on scattering chamber with turbo pump all the time.
-* Jim added [http://www.lakeshore.com/products/Cryogenic-Temperature-Sensors/Cernox/Models/Pages/Overview.aspx Lakeshore Cernox temperature sensors] at various heights.
-** Chris requested that they be removable, to replace defective ones.
-* Chris recommends the [http://www.lakeshore.com/products/cryogenic-temperature-monitors/model-218/Pages/Overview.aspx Lakeshore Model 218] 8-channel temperature monitor read-out unit.
-* System should be able to liquefy helium-4, taking it down to 3 K.
-* Jim will look into adding a relief tube to by-pass normal feed in case of boil off of target liquid.