[Polhe3] Meeting on polarized 3He target for 12 GeV experiments (Wed 8/15, 9-12)

[Zhiwen Zhao]

Dear All

A meeting page is here
https://hallaweb.jlab.org/wiki/index.php/Meeting_on_polarized_3He_target_for_12_GeV_experiments_on_Aug_15%2C2012

Remote desktop sharing is also setup as indicated on the wiki page
Please let me know if you plan to call in.

Please send me your talk.

Thanks

Zhiwen

On 8/14/2012 3:05 PM, J. P. Chen wrote:
> Dear All,
>
> A conference line has been set for people who would like to participate
> remotely:
>
> US 866-740-1260
> International 303-248-0285
>
> Access code: 1978431
>
> Best regards.
>
> Jian-ping
>
>
> On 8/14/2012 1:28 PM, J. P. Chen wrote:
>> Dear All,
>>
>> The polarized He3 target meeting will be tomorrow (Wed) from 9 to noon
>> in room L102.
>> Thanks for the people who sent me experimental requirements and other
>> inputs. For the ones who have not sent, please send me your inputs soon.
>> Here is a rough agenda. We will have mainly discussions with some
>> short presentations.
>>
>> 9:00-noon, 8/15 (Wed.),  CEBAF Center room L102
>> Thia Keppal: Comments from Hall A
>> Steve Wood: Comments from Hall C
>> J. P. Chen: General consideration and experimental requirements
>> Gorden Cates: Target lab status from UVa and R&D progress
>> Todd Averett: Target lab status from W&M
>> Zhiwen Zhao: Target lab status at JLab
>> Status of other groups: Temple, Kentucky,  Duke, ?
>> Alan Gavalya: Design consideration
>> Patricia Solvignon: Consideration for Hall C
>> Discussion on resource/manpower/contributions
>> Discussion on options/plan/milestones and other issues
>>
>> Let me know if you would like to bring up any other issues to be
>> discussed.
>>
>> Thanks.
>>
>> Jian-ping
>>
>> On 8/9/2012 8:42 AM, J. P. Chen wrote:
>>> Dear All,
>>>
>>> To organize the discussion on polarized 3He target, I prepared a list
>>> of item for you to look over. Some of them (experimental reuiqrements)
>>> I'd like to get inputs from the spokespersons before our meeting.
>>> Some other items (lab status, R&D progress, design considerations)
>>> I'd like
>>> to have short presentations from some of you (Gordon, Todd, Patricia
>>> for Hall C...).
>>> Please prepare and let me know before the meeting so that I can have
>>> a rough
>>> agenda for the meeting.
>>>
>>> Thanks.
>>>
>>> Jian-ping
>>>
>>> ------------------------------------------------------------------------------------------------------------
>>>
>>> A) Experimental requirements:
>>> (Please give the requirements corresponding to the following 3 cases
>>> (if applicable):
>>>   a) ideal case: reach all proposed physics goal
>>>   b) reasonable case: reach most of the physics goal
>>>   c) acceptable: reach main physics goal )
>>> 1) luminosity
>>> 2) polarization (average in-beam)
>>> 3) window thickness (background?), collimation required?
>>> 4) wall thickness (radiative corrections)
>>> 5) requirement on field shielding from nearby magnet or magnetic
>>> material
>>> (are there magnet (material) nearby? how far?)
>>> 6) precision for polarization measurements
>>> 7)  other special considerations/requirements?
>>>
>>> B) Target lab status/progress:
>>> 1) status from UVa
>>> 2) status from W&M?
>>> 3) status at JLab
>>> 4) other groups?
>>>
>>> C) Design/components/R&D:
>>> 1) cell design
>>> 2) ladder/supporting(alignment) structure
>>> 3) magnet(s)
>>> 4) laser/optics
>>> 5) polarimetries
>>> 6) infrastructure and other special consideration for Hall C
>>> 7) others
>>>
>>> D) Efforts/contributions:
>>> a) Will your group be working on polarized 3He R&D tests? List the
>>> manpower and
>>> activities you plan to do in the next two years.
>>> b) Will your group have manpower (students/postdoc/physicists) to
>>> contribute to
>>> on-site polarized He3 target lab effort?
>>> c) Will your group have resource to help with experimental preparation
>>> (help with design, machining etc.).
>>> d) Will your group have resource to help with instrumentation
>>> (lasers, equipments, etc.).
>>>
>>> E) Plan (how best to move forward)
>>> a) Input from division/halls in terms of budget/resource/tentative
>>> experimental schedule
>>> b) Options
>>> c) Regular meetings/communications
>>> d) Milestones
>>>
>>> -----------------------------------------------------------------------------------------------------------------------------------
>>>
>>> On 8/7/2012 11:07 AM, J. P. Chen wrote:
>>>> Dear All,
>>>>
>>>> After taking consideration of all the feedback, the meeting is
>>>> going to be on Wed. (8/15) from 9 am to noon. Stephanie
>>>> is going to book a room and set up the meeting on your calender
>>>> (if you use calender).
>>>>
>>>> Thanks.
>>>>
>>>> Jian-ping
>>>>
>>>> On 8/2/2012 1:41 PM, J. P. Chen wrote:
>>>>> Dear Colleague,
>>>>>
>>>>> We plan to have a meeting to discuss how best to meet the
>>>>> experimental needs for polarized He3 target. It is proposed
>>>>> to be during the week of 8/13 (8/13-8/16), it probably will need
>>>>> about 3 hours (plan for an half-day meeting).
>>>>> Please let me know which time will NOT work for you in these
>>>>> 4 days and if you are interested to attend.
>>>>> .
>>>>> Thanks.
>>>>>
>>>>> Jian-ping