Re: New CDC prototypes

[Yves Van Haarlem <yvhaarle@ernest.phys.cmu.edu>]

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
>> ~~ ~~ \-----------------------------------
>
>