[Clas_hadron] [EXTERNAL] Re: APS April Meeting abstract

[Igor Strakovsky]

Hi Astrid,

I think so.  It will prevent some misleading

Cheers, Igor


On Wed, Dec 15, 2021 at 12:19 PM Astrid Hiller Blin <ahblin at jlab.org> wrote:

> Hi Igor,
>
> It's W = 1.75 - I will specify that in the abstract to APS. I am more
> interested in N* and Delta resonances; indirectly I'm using pion, two-pion
> and eta production data for N* and Delta electrocouplings: do you think
> this should be specified in the abstract?
>
> Thank you!
> Astrid
>
> On Wed, Dec 15, 2021 at 12:15 PM Igor Strakovsky <igor at gwu.edu> wrote:
>
>> Dear Astrid,
>>
>> One small question is - your energy 1.75 GeV is Eg or W? Then what mesons
>> you are going to talk - pions, eta, eta', kaons?
>>
>> Cheers, Igor
>>
>> -----
>> Igor Strakovsky, SAID INS The George Washington University
>> VSTC: 571-553-8344, Cell: 703-728-5627, Skype: igors1945_2
>> Emails: igor at gwu.edu, igor at jlab.org
>>
>>
>> On Wed, Dec 15, 2021 at 12:09 PM Astrid Hiller Blin <ahblin at jlab.org>
>> wrote:
>>
>>> Hello!
>>>
>>> Please find my abstract for the APS April meeting, session E11, appended
>>> below.
>>>
>>> All the best,
>>> Astrid
>>>
>>>
>>> *Polarized and unpolarized proton structure in the resonance region:
>>> exclusive data-driven insights*
>>> *Nucleon resonance contributions to the inclusive proton structure
>>> functions are computed from resonance electroexcitation amplitudes in the
>>> mass range up to 1.75 GeV extracted from CLAS exclusive meson
>>> electroproduction data. Taking into account interference effects between
>>> nucleon resonances, the resonant contributions are compared with inclusive
>>> proton structure functions evaluated from the available data in the
>>> resonance region. Resonance contributions remain substantial over the
>>> entire range of photon virtualities < 4 GeV^2 where electroexcitation
>>> amplitudes have been obtained. Their Q^2 evolution displays pronounced
>>> differences in the first, second and third resonance regions. We compare
>>> the structure functions in the resonance region with those computed from
>>> parton distributions fitted to deep-inelastic scattering data, and
>>> extrapolated to the resonance region, providing new quantitative
>>> assessments of quark-hadron duality in inclusive electron-proton
>>> scattering. Ultimately, this paves the path to a physically founded
>>> combined description of the connection between the low and high-energy
>>> regimes.*
>>>
>>> ----------------------------------------------
>>> Astrid Hiller Blin (PhD)
>>> Postdoctoral fellow
>>> Thomas Jefferson National
>>> Accelerator Facility (Jefferson Lab)
>>> 12000 Jefferson Ave
>>> Newport News, VA 23606, USA
>>> Phone: +1 (757) 291 6890
>>> ----------------------------------------------
>>> _______________________________________________
>>> Clas_hadron mailing list
>>> Clas_hadron at jlab.org
>>> https://mailman.jlab.org/mailman/listinfo/clas_hadron
>>
>>
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