[Tpe] Fwd: TPE harp targets

[Larry Weinstein]

Here is the list of convertors to be installed.

-------- Original Message --------
Subject: 	TPE harp targets
Date: 	Mon, 29 Nov 2010 09:47:01 -0500
From: 	Steve Christo <christo at jlab.org>
To: 	Stepan Stepanyan <stepanya at jlab.org>, "Weinstein, Lawrence B." 
<lweinste at odu.edu>
CC: 	Dave Kashy <kashy at jlab.org>, Douglas Tilles <tilles at jlab.org>



Calvin is currently welding the harp stick to the flange and I am
preparing the targets for the TPE run. Larry had requested 0.003(or
smaller-according to Stepan), 0.01, 0.02, 0.05 and 0.10 rl targets.
Based on the material we now have, I am proposing the following.

For 0.003 rl target--1 sht. 0.0008mm Al @ 0.01123667 rl/mm = 8.9e-6 rl
For 0.01 rl target--1 sheet 0.15mm Fe @ 0.056889941 rl/mm = 0.0085 rl
For 0.02 rl target--1 sheet 0.05mm Pt @ 0.32779362 rl/mm = 0.016 rl
For 0.05 rl target--2 sheets 0.10mm Au @ 0.29840948 rl/mm = 0.0597 rl
For 0.10 rl target--3 sheets 0.10mm Au @ 0.29840948 rl/mm = 0.0895 rl

Please let me know if this is acceptable as soon as possible, as the
upstream beamline cannot be pumped down till the harp is installed. Thanks.
Steve




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