[d2n-analysis-talk] (Optics) Target Information?

[Lamiaa El Fassi]

Hi Dave,
On Fri, Apr 23, 2010 at 12:05 PM, Lamiaa El Fassi <lamiomar at gmail.com>wrote:

> Hi Dave,
>
>  On Fri, Apr 23, 2010 at 11:02 AM, David Flay <flay at jlab.org> wrote:
>
>> Hi all,
>>
>> I've been searching around trying to find information on the carbon foils
>> used during optics runs -- their separation distance, etc. and I cannot
>> find such information anywhere.  The survey report tells me the central
>> value of the optics target:
>>
>> http://hallaweb.jlab.org/news/minutes/Survey_Reports/DT_A1240.pdf
>>
>> and this one tells me the value of L (distance from target to sieve):
>>
>> http://hallaweb.jlab.org/news/minutes/Survey_Reports/DT_A1239.pdf
>>
>> Does anyone know where to find this Carbon foil information about the
>> carbon foils?  The target links on the Hall A page take me to a
>> generalized description about the 3He target, but no technical
>> information.
>>
>
>

      Yi said that the spacing of the carbon foils is exactly 40cm/6 = 6.667
cm.

    Best,

   Lamiaa
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