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

[Igor Strakovsky]

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
> ----------------------------------------------
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