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Re: Interposer
Hi Yves,
Please send them to me at:
Fernando J. Barbosa
Jefferson Lab
Suite #10, 12B3
12000 Jefferson Ave.
Newport News, VA 23606
Thanks,
Fernando
Yves Van Haarlem wrote:
> Hi Fernando,
>
> OK - i will send them overnight today. Do I send them to Lorelei? (If
> not please provide me with another address)
>
> Cheers,
> 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 Fri, 4 Apr 2008, Fernando J. Barbosa wrote:
>
>> Hi Yves,
>>
>> That's great news. Please send me your preamp, the bad interposer and
>> the cable (the one I just sent you). I will have the preamp back to
>> you ASAP. I f I have it on Monday, I will try to have it to you by
>> Tuesday.
>>
>> Let me know if this does not work.
>>
>> Regards,
>> Fernando
>>
>>
>>
>>
>> Yves Van Haarlem wrote:
>>> Hi Fernando,
>>>
>>> I recieved the new interposer, thanks a lot. I tested it and behold:
>>> channels 2,3, and 4 are working again! BUT channel 16 is still dead.
>>> Maybe it's the pre-amplifier as this is the only piece since I saw
>>> these dead channels that wasn't changed. For completeness if the old
>>> CLAS preAmp is used then all 16 channels are alive.
>>>
>>> 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
>>> ~~ ~~ \-----------------------------------
>>>
>>> On Wed, 2 Apr 2008, Fernando J. Barbosa wrote:
>>>
>>>> Hi Yves,
>>>>
>>>> I am sending you another Interposer via FedX and you should have it
>>>> tomorrow. Let me know if that works.
>>>>
>>>> Regards,
>>>> Fernando
>>>>
>>>>
>>>>
>>>> Yves Van Haarlem wrote:
>>>>> Hi Fernando,
>>>>>
>>>>> I just tested the new cable and ... I still see the same dead
>>>>> channels (4 now). To be absolutely sure I hooked up the old CLAS
>>>>> preAMP again and I see signals in all channels. It is not the
>>>>> shaper, not the cable, and all the signals come off the HV board.
>>>>> So one item remains ==> the pre-amplifier+interposer. Is it
>>>>> possible to send one (if there is one available) to CMU so I could
>>>>> try it?
>>>>>
>>>>> Which cable would you like to have back: the old one or the one
>>>>> you just sent me?
>>>>>
>>>>> 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
>>>>> ~~ ~~ \-----------------------------------
>>>>>
>>>>> On Wed, 2 Apr 2008, Fernando J. Barbosa wrote:
>>>>>
>>>>>> Hi Yves,
>>>>>>
>>>>>> Thanks. Just let me know if that solves the problem.
>>>>>>
>>>>>> Regards,
>>>>>> Fernando
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> Yves Van Haarlem wrote:
>>>>>>> Hi Fernando,
>>>>>>>
>>>>>>> The new cable just arrived, thanks!
>>>>>>>
>>>>>>> Cheers,
>>>>>>> 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, Fernando J. Barbosa wrote:
>>>>>>>
>>>>>>>> Hi Elke,
>>>>>>>>
>>>>>>>> For tests without a magnet, there is the AGS test line at BNL.
>>>>>>>>
>>>>>>>> For tests with a magnet, you may want to check if the MPS area
>>>>>>>> is available at BNL (that's where E852 ran). Alex may have good
>>>>>>>> contacts there, also.
>>>>>>>>
>>>>>>>> Regards,
>>>>>>>> Fernando
>>>>>>>>
>>>>>>>> Elke-Caroline Aschenauer wrote:
>>>>>>>>> On Wed, 2 Apr 2008, Yves Van Haarlem wrote:
>>>>>>>>>
>>>>>>>>> Dear Yves,
>>>>>>>>>
>>>>>>>>> I think the question is what is the size of the prototype you
>>>>>>>>> want to
>>>>>>>>> build and what would you like to study. cosmic data in a
>>>>>>>>> magnetic field or
>>>>>>>>> beam on mini-cdc in B field, or ....
>>>>>>>>> Because if we want to match the situation of Gluex for
>>>>>>>>> different things we
>>>>>>>>> need different magnets.
>>>>>>>>> There was for example the offer to study something at Idaho
>>>>>>>>> Accelerator
>>>>>>>>> Center, but that needs more investigation.
>>>>>>>>>
>>>>>>>>> cheers elke
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>> Date: Wed, 2 Apr 2008 10:36:07 -0400 (EDT)
>>>>>>>>>> From: Yves Van Haarlem <yvhaarle@ernest.phys.cmu.edu>
>>>>>>>>>> To: Simon Taylor <staylor@jlab.org>
>>>>>>>>>> Cc: halld-tracking-hw@jlab.org
>>>>>>>>>> Subject: Re: New CDC prototypes
>>>>>>>>>>
>>>>>>>>>> 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
>>>>>>>>>>>> ~~ ~~ \-----------------------------------
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> ( `,_' )+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=
>>>>>>>>> ) `\ -
>>>>>>>>> / '. | +
>>>>>>>>> | `, Elke-Caroline Aschenauer =
>>>>>>>>> \,_ `-/ -
>>>>>>>>> ,&&&&&V Jefferson Lab +
>>>>>>>>> ,&&&&&&&&: HALL-D 12C / F381 121-A Atlantic Avenue =
>>>>>>>>> ,&&&&&&&&&&; Suite 8 Hampton, VA
>>>>>>>>> 23664 -
>>>>>>>>> | |&&&&&&&;\ 12000 Jefferson
>>>>>>>>> Ave +
>>>>>>>>> | | :_) _ Newport News, VA 23606 Tel.:
>>>>>>>>> 001-757-224-1216 =
>>>>>>>>> | | ;--' | Mail: elke@jlab.org Mobil:
>>>>>>>>> 001-757-256-5224 -
>>>>>>>>> '--' `-.--. | +
>>>>>>>>> \_ | |---' Tel.: 001-757-269-5352 =
>>>>>>>>> `-._\__/ Fax.: 001-757-269-6331 -
>>>>>>>>>
>>>>>>>>> +=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+=-+
>>>>>>>>>
>>>>>>>>>
>>>>>>
>>>>
>>
begin:vcard
fn:Fernando J. Barbosa
n:Barbosa;Fernando J.
org:Jefferson Lab
adr:Suite #10, 12B3;;12000 Jefferson Ave.;Newport News;VA;23606;USA
tel;work:757-269-7433
version:2.1
end:vcard
- References:
- Re: Cable
- From: Yves Van Haarlem <yvhaarle@ernest.phys.cmu.edu>
- Re: Cable
- From: "Fernando J. Barbosa" <barbosa@jlab.org>
- Interposer
- From: Yves Van Haarlem <yvhaarle@ernest.phys.cmu.edu>
- Re: Interposer
- From: "Fernando J. Barbosa" <barbosa@jlab.org>
- Re: Interposer
- From: Yves Van Haarlem <yvhaarle@ernest.phys.cmu.edu>