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Re: New prototype + wiring test



Hi Gerard,

Thanks, the straws in the new prototype are 30~cm long.

Cheers,
 	Yves

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                          /   Yves Van Haarlem
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On Wed, 17 Dec 2008, Gerard Visser wrote:

> Hi Yves,
> 	Congratulations - these are beautiful results! You guys have been 
> working very hard I see. I hope that the 4.5 inch wiring can be held for the 
> full detector, this will be excellent if it can be so.
> 	What is the length of the straws in the little prototype?
>
> 	Gerard
>
> Yves Van Haarlem wrote:
>> Dear Collegues,
>> 
>> Today we saw signals coming of the new prototype for the first time! 
>> Pictures of the current setup can be viewed on:
>> 
>> http://www.jlab.org/Hall-D/software/wiki/index.php/Pictures_of_the_prototype
>> 
>> 
>> 
>> Traces of the signals (cosmic ray and Fe-55 induced):
>> 
>> http://www.jlab.org/Hall-D/software/wiki/index.php/First_signals
>> 
>> I think that they look very nice. A lot more tests are forseen in 2009.
>> 
>> 
>> 
>> Gary finished the prototype to do the wiring tests:
>> 
>> http://www.jlab.org/Hall-D/software/wiki/index.php/Wiring_test
>> 
>> 
>> At the moment it looks much better than the wiring of the prototype. We of 
>> course plan to extend the plates in order to simulate going in with your 
>> arms to connect the wires. Next thing we plan after that is testing Slava's 
>> approach. The distance between the plates is 4 inches, the longest wire is 
>> 4.5 inches.
>> 
>> 
>> Cheers,
>>  	Yves
>