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Re: New CDC prototypes



Hi Elke,

For tests without a magnet, there is the AGS test line at BNL.

For tests with a magnet, you may want to check if the MPS area is 
available at BNL (that's where E852 ran). Alex may have good contacts 
there, also.

Regards,
Fernando

Elke-Caroline Aschenauer wrote:
> On Wed, 2 Apr 2008, Yves Van Haarlem wrote:
>
> Dear Yves,
>
> I think the question is what is the size of the prototype you want to
> build and what would you like to study. cosmic data in a magnetic field or
> beam on mini-cdc in B field, or ....
> Because if we want to match the situation of Gluex for different things we
> need different magnets.
> There was for example the offer to study something at Idaho Accelerator
> Center, but that needs more investigation.
>
> cheers elke
>
>
>
>   
>> Date: Wed, 2 Apr 2008 10:36:07 -0400 (EDT)
>> From: Yves Van Haarlem <yvhaarle@ernest.phys.cmu.edu>
>> To: Simon Taylor <staylor@jlab.org>
>> Cc: halld-tracking-hw@jlab.org
>> Subject: Re: New CDC prototypes
>>
>> Hi Simon,
>>
>> Thanks a lot for the info. Could you give more information or a contact
>> person that might know more concerning this magnet?
>>
>> Thanks,
>>  	Yves
>>
>>
>>                            /--------------------------------
>>                           /   Yves Van Haarlem
>>         _--~~--_         /
>>       /~/_|  |_\~\      /      Carnegie Mellon University
>>      |____________|    /        Department of Physics
>>      |[][][][][][]|:= /          Wean Hall room 8404
>>    __| __         |__ \       	 Pittsburgh, PA 15213
>>   |  ||. |   ==   |  | \           USA
>> (|  ||__|   ==   |  |) \
>>   |  |[] []  ==   |  |   \   	    Tel.:   +1 412 268-6949
>>   |  |____________|  |    \                  +1 412 641-9252
>>   /__\            /__\     \	      Fax.: +1 412 681-0648
>>    ~~              ~~       \-----------------------------------
>>
>> On Wed, 2 Apr 2008, Simon Taylor wrote:
>>
>>     
>>> Hi, Yves.
>>>
>>> Regarding the availability of suitable magnets, the short answer is that it
>>> would be difficult to find any magnets with sufficient magnetic field or gap
>>> size or with the correct orientation for cosmic ray studies such that the
>>> magnetic field would be parallel to the straws. Certainly we came up with
>>> nothing truly suitable for studying the FDC. The magnet we used in Hall B has
>>> a gap of about 15 cm and goes up to ~1.2 Tesla. You could in principle fit a
>>> few layers of straws in there, but the magnetic field would be perpendicular
>>> to the wires, so that's no good. I have a vague recollection that there may
>>> be a magnet at Brookhaven that at least has a large enough gap size (48
>>> inches)...
>>>
>>> Simon
>>>
>>>
>>>
>>> Yves Van Haarlem wrote:
>>>       
>>>> Hi All,
>>>>
>>>> As you might know we plan to build one or more smaller prototypes of the
>>>> CDC in order to test the straws in a test beam and magnetic field. The
>>>> first thing I would like to pin down are the dimensions of this new
>>>> prototype. In order to use it inside a magnet it has to fit inside that
>>>> magnet (yes indeed). I understood from last review that a magnet search was
>>>> performed for the FDC so I am hoping they could give me some input on what
>>>> is available.
>>>>
>>>> Cheers and thanks,
>>>> Yves
>>>>
>>>>
>>>> /--------------------------------
>>>> / Yves Van Haarlem
>>>> _--~~--_ /
>>>> /~/_| |_\~\ / Carnegie Mellon University
>>>> |____________| / Department of Physics
>>>> |[][][][][][]|:= / Wean Hall room 8404
>>>> __| __ |__ \ Pittsburgh, PA 15213
>>>> | ||. | == | | \ USA
>>>> (| ||__| == | |) \
>>>> | |[] [] == | | \ Tel.: +1 412 268-6949
>>>> | |____________| | \ +1 412 641-9252
>>>> /__\ /__\ \ Fax.: +1 412 681-0648
>>>> ~~ ~~ \-----------------------------------
>>>>         
>>>       
>
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