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Re: BNL 30D72 magnet
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
>>>> -
>>>> =-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>
>>
>>
>
>