[Clas_hadron] Abstract for APS April meeting

[Volker Burkert]

Dear Valerii,

This is a nice abstract and I fully support it. However, I suggest to extend the coverage beyond the W=2.5GeV limit. I think it is important to demonstarte that the CLAS12 data in the deep inelastic regime (W > 2.5GeV) do agree with what has been measured at higher energy machines. This would also support the results in the resonance region for which there may be no prior measurements.

Cheers,
Volker

________________________________
From: Clas_hadron <clas_hadron-bounces at jlab.org> on behalf of valerii via Clas_hadron <clas_hadron at jlab.org>
Sent: Friday, January 6, 2023 8:00 PM
To: clas_hadron at jlab.org <clas_hadron at jlab.org>
Subject: [Clas_hadron] Abstract for APS April meeting

Dear All,

I would like to present at the upcoming April APS meeting. Here is my
abstract for comments and suggestions.

Electron scattering data off protons from the CLAS12 detector in Hall B at
Jefferson Laboratory have become available and cover a wide kinematic
range in W up to 2.5 GeV and Q2 up to 9 GeV2, offering new opportunities
to explore inclusive, semi-inclusive, and fully exclusive reactions. A
study that aims to extract the inclusive electroproduction cross sections
from the CLAS12 data collected at a beam energy of 10.6 GeV from an
unpolarized liquid-hydrogen target is now almost finished and preliminary
results will be presented. Because of the large acceptance of CLAS12,
these data offer a unique opportunity to measure inclusive cross sections
at W from the meson electroproduction threshold to 2.5 GeV within any
given Q2-bin from 2.5 to 9 GeV2. This unique W - coverage at fixed
Q2-values is of particular importance for the extension of our knowledge
on the nucleon parton distribution function from the data on F2 structure
function in the resonance region.  Broad coverage over Q^<9.0 GeV^2 offers
promising opportunity to explore the mechanisms underlying the nucleon PDF
evolution in the transition from strongly-coupled to perturbative QCD
regimes.

Best regards,
Valerii

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