[Primex] Permanent Sweep Magnets

David Kashy kashy at jlab.org
Tue Aug 3 08:08:16 EDT 2010


Ashot did you have the length correct so you could have the B x dl?

We now have 3 possible layouts that can be discussed at the meeting today.

http://www.jlab.org/~zarecky/Primex%20file%20directory.htm

Dave

Ashot Gasparian wrote:
>
>
>    Hi Dave,
>
>   In my MC simulations the gap size is 0.8" (total) and I used
>  0.7T field in that magnet. It looks like correct from your table.
>
>   I am at University campus for Monday and possibly on Tuesday,
>  I will be on phone for the Tuesday's meeting.
>
>  Ashot
>
>
> .............................................................
> Ashot Gasparian                    Phone:(336)285-2112 (NC A&T)
> Professor of Physics
> Physics Department                       (757)-269-7914 JLab
> NC A&T State University              Fax:(757)-269-6273 JLab
> Greensboro, NC 27411               email: gasparan at jlab.org
> .............................................................
>
>
> On Mon, 2 Aug 2010, David Kashy wrote:
>
>> Hi Ashot.
>> I found a curve of the field vs distance for the permanent magnets
>>
>> Distance from center of gap     Field
>> Z (in)      (T)
>> -2.5     0.35
>> -1.5     0.69
>> -0.5     0.72
>> 0     0.72
>> 0.5     0.72
>> 1.5     0.69
>> 2.5     0.35
>>
>>
>>
>> Please verify you are using the correct field.
>> We will have layouts for possible collimator / permanent magnet 
>> locations Tuesday morning!
>>
>> Dave
>>



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