[Frost] Updated my analysis page

Patrick Collins pcollins at jlab.org
Fri Jun 10 16:23:10 EDT 2011


Mike Williams paper is PRC 80, 065209, (2009)
The link I have is to the arxiv of it: http://arxiv.org/abs/0908.2911

Michael Dugger wrote:
>
> Patrick,
>
> Can you give a link to the Williams PWA you refer to?
>
> -Michael
>
> On Fri, 10 Jun 2011, Patrick Collins wrote:
>
>> Hello all,
>> To demonstrate what I was talking about yesterday about t-channel in
>> omega I've added a couple of plots of beam asymmetry for omega from g8b
>> with similar W values at the bottom of my page. You can see that the
>> forward angles are close to zero asymmetry. I took a look at Williams 
>> PWA
>> and he does say that there are two strong resonances in omega production
>> near threshold the F15(1680) and D13(1700), so these could be producing
>> the large helicity asymmtries. I just don't understand why they would be
>> so strong here and so weak in beam asymmetry, especially in the forward
>> direction which normally where t-channel is very strong.
>>
>> http://clasweb.jlab.org/rungroups/g9/wiki/index.php/Patrick%27s_analysis_page#Ex 
>>
>> amples_of_.CE.A3_from_g8b_for_similar_W
>>
>> Cheers,
>> Patrick
>>
>>


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