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Re: BNL 30D72 magnet




   Yes, that is a good idea, we will start with Bill.

   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@jlab.org
.............................................................


On Wed, 3 Jun 2009, Eugene Chudakov wrote:

> Ashot,
>
> it occurred to us that before contacting the BNL it might be helpful to 
> consult with Bill Merz. He can probably give us a good
> advice on the desirable tests, on the old power supplies and
> on a possible support from JLab. I will try to arrange a meeting
> with him.
>
> Eugene
>
> ------------------------------------------------------
> Eugene Chudakov
> http://www.jlab.org/~gen
> phone (757) 269 6959, 5352  fax (757) 269 5703
> Thomas Jefferson National Accelerator Facility
> 12000 Jefferson Ave, Suite #4
> Newport News, VA 23606 USA
>
> On Wed, 3 Jun 2009, Ashot Gasparian wrote:
>
>>
>>   Hi Jim,
>>
>>   Thanks for the information, once we finish our two days PrimEx 
>> collaboration meeting we will start contacting people for the dipole
>> magnet.
>> 
>> Thanks,
>> 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@jlab.org
>> .............................................................
>> 
>> 
>> On Tue, 2 Jun 2009, Jim Stewart wrote:
>> 
>>> Hello Everyone
>>> 
>>> There is a lot of informaiton about the magnet on the wiki:
>>> http://www.jlab.org/Hall-D/software/wiki/index.php/Pair_Spectrometer
>>> 
>>> Please stop sending mails with the heading "helios quad", this is the 
>>> wrong magnet completely.
>>> 
>>> The contact person at BNL is Phil Pile pile@bnl.gov
>>> He is the head of the AGS experimental support.
>>> 
>>> Phil knows we want the magnet and has promised to reserve it for us.He has 
>>> also said that they have old power supplies if we want one. I checked and 
>>> they also have documentation and possibly spare parts. I did not take any 
>>> actions concerning a power supply because we do not know what 
>>> specifications we will need until we have a design for the iron to reduce 
>>> the gap. The current will reduce as the square of the gap so this 
>>> completely change the spec for the supply.
>>> 
>>> I would first decide who is going to be responsible for the magnet and 
>>> then contact Phil to see what is possible. He will know very well the 
>>> effort needed to test the magnet at BNL.
>>> 
>>> I have not talked to him about the possibility of testing it at BNL.
>>> 
>>> I hope this is helpful.
>>> Jim
>>> 
>>> 
>>> 
>>> Gan, Liping wrote:
>>>> Dear Jim,
>>>> 
>>>> In order for us to continue working out solution on how to bring the 
>>>> magnet from BNL to Jlab smoothly, it would be very helpful if you could 
>>>> tell us following information:
>>>> 
>>>> (1) what is the status of negociation process with BNL
>>>> (2)  Which magnet we have been discussed
>>>> (3) the contact people in BNL
>>>> 
>>>> 
>>>> Thanks very much!
>>>> 
>>>> Liping
>>>> 
>>>> ________________________________________
>>>> From: Alexander Somov [somov@jlab.org]
>>>> Sent: Friday, May 29, 2009 12:43 PM
>>>> To: elke-caroline aschenauer
>>>> Cc: Jim Stewart; halld-tagger@jlab.org; Gan, Liping; Ashot Gasparian
>>>> Subject: Re: helios Quads
>>>> 
>>>> Hello Elke,
>>>> 
>>>> Thanks a lot for your prompt reply and comments.
>>>> It would be great if Jim or you would be able to help
>>>> over. According to the P3E (and Eugene)  we would be
>>>> able to spend only about $10k before 2011 (not much at
>>>> all), if we decide to test (ship) it earlier.
>>>> 
>>>> Regarding the time scale, it depends on the BNL people
>>>> and Jim and your schedule/availability. If we can
>>>> test it at BNL we can ship it later. Alternatively, we can
>>>> ship it to the Jlab and test it here (which propably would be
>>>> more difficult); we need to find the storage here anyway.
>>>> 
>>>> Anyway, there is no rush at the moment.
>>>> 
>>>> 
>>>> Cheers,
>>>>         Sascha
>>>> 
>>>> 
>>>> 
>>>> 
>>>> On Fri, 29 May 2009, elke-caroline aschenauer wrote:
>>>> 
>>>> 
>>>>> On Thu, 28 May 2009, Alexander Somov wrote:
>>>>> 
>>>>> Dear Sasha,
>>>>> 
>>>>> let me make below some remarks.
>>>>> I'm sure Jim will make much more and much more substantial.
>>>>> 
>>>>> cheers elke
>>>>> 
>>>>>
>>>>>   Hi Jim,
>>>>>
>>>>>   I hope that your trip to the BNL went smoothly and you managed to 
>>>>> recuperate
>>>>>   a bit from the moving disaster...
>>>>>
>>>>>   Before you start forgetting about the GlueX, let me ask
>>>>>   you a few quick questions.
>>>>>
>>>>>   We had a meeting with Ashot and Liping today; they consider
>>>>>   seriously joining the gluex collaboration and taking some 
>>>>> responsibilities,
>>>>>   in particular, for the pair spectrometer.
>>>>> 
>>>>>
>>>>>   A couple of questions arose regarding the pair spectrometer magnet:
>>>>>     - who should we contact with at BNL regarding a property
>>>>>     transfere (we will need to prepare corresponding documents)?
>>>>>
>>>>>     - it would probably make sense to test this magnet at BNL
>>>>>     (as you have pointed out) to be sure that it has
>>>>>      no 'serious' damages like coil shorts, water leak...
>>>>>      What do you think about this ?
>>>>> 
>>>>> this is a difficult point. None of you is a user at BNL. Who do you have
>>>>> in mind doing this. If the BNL people should do it, JLab should be
>>>>> prepared to pay for it. If JLab people would do it they have to go 
>>>>> through
>>>>> all the BNL training and we still need BNL manpower. I think somebody
>>>>> has to talk to Phil Pile to get a cost estimate for this and find out 
>>>>> his
>>>>> team has time because there will be a big shutdown coming up for BNL and
>>>>> there is the construction of the NSLS-II going on.
>>>>> I'm sure Jim can do it, if he is to busy, I can do it, I'm in meetings
>>>>> with Phil at least twice a week.
>>>>>
>>>>>   Eugene mentioned that it would (probably) be possible to use some 
>>>>> money,
>>>>>   allocated for the ps in 2011, earlier to check/ship the ps magnet to 
>>>>> the
>>>>>   jlab. We also need to find a storage for the magnet at jlab.
>>>>> 
>>>>> so what time scale are you talking about and how much money is there. I
>>>>> know I could look myself in P3e, but .......
>>>>>
>>>>>   I hope to see you soon during the tagger magnet review.
>>>>>
>>>>>   Cheers,
>>>>>          Sascha
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> ( `,_' )+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=
>>>>>  )    `\                                                     -
>>>>> /    '. |                                                     +
>>>>> |       `,              Elke-Caroline Aschenauer               =
>>>>>  \,_  `-/                                                       -
>>>>>  ,&&&&&V         Brookhaven National Lab                         +
>>>>> ,&&&&&&&&:       Physics Dept.,            8 Shore Road           =
>>>>> ,&&&&&&&&&&;      Bldg. 510D / 2-195        East Patchogue, NY,     -
>>>>> |  |&&&&&&&;\     20 Pennsylvania Avenue                 11772-5963  +
>>>>> |  |       :_) _  Upton, NY 11973                                     =
>>>>> |  |       ;--' | Tel.:  001-631-344-4769   Tel.:  001-631-569-4290    -
>>>>> '--'   `-.--.   | Fax.:  001-631-344-1334   Cell:  001-757-256-5224 
>>>>> +
>>>>>   \_    |  |---' 
>>>>> =
>>>>>     `-._\__/     Mail: elke@jlab.org -
>>>>>            =-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=
>>>>> 
>>>>> 
>>>>> 
>>>> 
>>>> 
>>>> 
>>> 
>>> 
>>> 
>> 
>> 
>
>