[PEPPo] PEPPo Digest, Vol 5, Issue 10

Jonathan Dumas dumas at jlab.org
Thu Jun 16 20:28:58 EDT 2011


I uploaded on the wiki a corrected S1 Solenoid field map for Elegant as:
E166 1st Solenoid Fieldmaps in SDDS format - June 17th, 2011 Version

that is https://positron.jlab.org/wiki/index.php/PEPPo_Beamline_WG#ELEGANT
under the Elegant section.

Really sorry.

Jonathan


> The Y.Kim field looks more like the FG Solenoid (S2). The FG field goes up
> to 80G per Amp at the R=0cm and Z=0cm, here's for 100A:
> https://positron.jlab.org/wiki/index.php/Image:Surf1PoisBzField.png
>
> I have to check again the S1 field map for Elegant, it looks too much like
> S2, there might be some label confusion here. S2 Elegant is 100% safe
> though.
>
> Jonathan
>
>> Dear Yujong,
>>
>> The Bz field along the z-axis is only 80 Gauss. This is extremely small
>> value. Are you sure about this map? Most importantly, your map and the
>> one
>> that Paul posted are not consistent. Please have a look at the figure
>> attached.
>>
>> SG
>>
>>
>>> Dear Serkan,
>>>
>>> Please see 3D S1 fieldmap in SDDS format:
>>>
>>> http://www.physics.isu.edu/~yjkim/elegant/peppo/E166_SOL1_YJKIM.sdds
>>>
>>> Here, z in meter and Bz in Tesla.
>>>
>>> Please note that that SDDS format is a bug fixed version and
>>> it is a 3D fieldmap (Br and Bz) along r and z.
>>> Each page has Br and Bz for one given r position.
>>>
>>> Sincerely yours,
>>>
>>> Yujong Kim
>>>
>>> --------------------------------------------------------------------------
>>>  Yujong Kim, Ph.D.
>>>  Assistant Professor in Department of Physics &
>>>  Idaho Accelerator Center, Idaho State University
>>>  Campus Box 8106 Pocatello, ID 83209-8288, USA
>>>  E-Mail : yjkim at ISU.edu
>>>  Phone : +1-208-282-3488 (Physics) / 282-5472 (IAC)
>>>  Fax : +1-208-282-4649
>>>  Homepage : http://www.isu.edu/~yjkim
>>>
>>>  Accelerator Division
>>>  Thomas Jefferson National Accelerator Facility
>>>  12000 Jefferson Avenue, Newport News, VA 23606, USA
>>>  E-Mail : yjkim at JLab.org
>>>  --------------------------------------------------------------------------
>>>
>>>
>>>
>>> On Thu, Jun 16, 2011 at 3:13 PM, <peppo-request at jlab.org> wrote:
>>>
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>>>> Today's Topics:
>>>>
>>>>   1. Field profile alonx z axis (Serkan Golge)
>>>>
>>>>
>>>> ----------------------------------------------------------------------
>>>>
>>>> Message: 1
>>>> Date: Thu, 16 Jun 2011 17:13:32 -0400 (EDT)
>>>> From: "Serkan Golge" <golge at jlab.org>
>>>> Subject: [PEPPo] Field profile alonx z axis
>>>> To: peppo at jlab.org
>>>> Message-ID: <55430.129.57.72.160.1308258812.squirrel at webmail.jlab.org>
>>>> Content-Type: text/plain; charset="iso-8859-1"
>>>>
>>>> Attached is the field profile along z axis for S1 solenoid. This is
>>>> the
>>>> one from Paul's attachment at wiki. In the map, it says unit is in
>>>> meters,
>>>> but I believe it should be in "cm". And what is the unit for field ?
>>>> So
>>>> the field can go up to 30 kG at the center ?
>>>>
>>>> Serkan
>>>> -------------- next part --------------
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>>>>
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>>>> End of PEPPo Digest, Vol 5, Issue 10
>>>> ************************************
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>
>
> --
> Jonathan
>
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-- 
Jonathan



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