[Deeppwg] [EXTERNAL] nDVCS abstract for PANIC2021
Silvia Niccolai
silvia at jlab.org
Thu Jun 17 12:42:18 EDT 2021
Hi Marco,
That’s actually Adam’s abstract. Pierre has sent you the TCS abstract a few days ago.
Best regards,
Silvia
Sent from my iPhone
> On 17 Jun 2021, at 18:33, Marco Contalbrigo <mcontalb at fe.infn.it> wrote:
>
> Dear all,
> below is the abstract about nDVCS results Pierre intends
> to submit to the PANIC Conference.
>
> Comments and suggestions are welcome till Saturday
> 19th of June. I apologize for the late notice.
>
> Best regards, Marco.
>
>
> Deeply Virtual Compton Scattering off the Neutron with CLAS12 at Jefferson Lab
>
> A key step towards a better understanding of nucleon structure in terms of generalized parton distributions (GPDs)
> is the measurement of deeply virtual Compton scattering off the neutron (nDVCS; $ed\to e'n\gamma(p)$). This process
> emphasizes mainly, in the kinematic range covered at Jefferson Lab, the access to the GPD E of the neutron which is
> the least constraind GPD up till now. The measurement of E, together with H, provides information on the quark total
> angular momentum via the Ji's sum rule - and conveys a more complete picture of nucleon structure. The GPD E is
> accessed in nDVCS through the Beam Spin Asymmetry (BSA). The measurement of the BSA of nDVCS, combined with
> observables from pDVCS measurements, will allow to perform the flavor separation of relevant quark GPDs via linear
> combinations of proton and neutron GPDs. This talk will report on the experiment recently carried out at Jefferson
> Lab with the upgraded ~11 GeV CEBAF polarized electron beam, the Hall-B CLAS12 detector, and a liquid deuterium
> target. Details on the data analysis along with preliminary beam-spin asymmetries for nDVCS will be presented.
>
>
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