[Clas_hadron] DNP CEU Poster

[burkert]

Michael,
    Sorry, I was referring to Fig. 6.
Volker

On 10/21/17 11:23 AM, Michael Dugger wrote:
>
> Volker,
>
> We noticed the -10deg negative shift but do not know how to 
> accommodate for it right now. We have included the phi-offest due to 
> transverse holding coil.
>
> Can you clarify the statement:
> "the data indicate that the measured asymmetry is shifted towards 
> positive phi values, perhaps by up to +20deg." I do not know what plot 
> you are refering to for the 20deg.
>
> Once Robert has returned from the poster session, our plan is to fully 
> understand what is causing the data to look like it is shifted in phi. 
> We think that is the last thing to be understood before the data can 
> be made publishable.
>
> Take care,
> Michael
>
> On Sat, 21 Oct 2017, burkert wrote:
>
>> Hi Michael,
>>
>> This is a very nice poster and I have only one observation.
>>
>> The fit to the azimuthal asymmetry in cos(2phi) seems shifted towards 
>> negative values, approximately by -10deg. However, the data indicate 
>> that the measured asymmetry is shifted towards positive phi values, 
>> perhaps by up to +20deg.� It also seems to me that you would get a 
>> better chi^2 with a positive phi offset.
>>
>> This is just an observation from looking at the poster. I seem to 
>> remember that for these data there was a transverse holding field 
>> that may have generated some offset in the phi-dependence. I wonder 
>> if this has been taken into account in these preliminary result.
>>
>> Cheers,
>> Volker
>>
>>
>>
>> 10/20/17 12:46 PM, Michael Dugger wrote:
>>>
>>> NOTE:
>>> I apologize if you have already received an
>>> email from me regarding the DNP CEU Poster.
>>> I was having trouble with my email and am not
>>> sure that the message I wrote previously got
>>> sent.
>>>
>>> Dear Colleagues,
>>>
>>> ASU group member Robert Lee will be presenting a poster at the
>>> DNP CEU program regarding the H and P observables for pi^+ n
>>> photoproduction.
>>>
>>> I have attached Robert's poster to this email
>>> (DNP-CEU-2017Poster.pdf). Please give any comments/suggestions
>>> by Monday.
>>>
>>> Thanks for your time.
>>>
>>> Sincerely,
>>> Michael
>>>
>>>
>>> This body part will be downloaded on demand.
>>
>>
>>