[Jlab-seminars] Theory Center Seminar

[Mary Fox]

Theory Center Seminar
Wed., September 10, 2014
2:00 p.m. (coffee 1:45 p.m.)
CEBAF Center, Room L102


Wim Cosyn
Ghent University

*The Role of Final-State Interactions in Deep-Inelastic
Scattering from a Deuteron Target*

We outline a model that, based on the diffractive nature of the effective hadron--nucleon
interaction, uses the generalized eikonal approximation to model final-state interactions
(FSIs) in deep-inelastic scattering from a deuteron target. We concentrate on contributions
in the resonance region and take into account the proton-neutron component of the deuteron.
We compare calculations for tagged spectator DIS with JLab data at high (Deeps) and low
(Bonus) spectator momenta and discuss the extracted rescattering parameters from our model.
We show how tagged spectator measurements can be used to perform a model independent
extraction of free neutron structure functions. Next, we discuss the application of
the model to inclusive DIS and show calculations for unpolarized and polarized observables
to illustrate the impact of FSIs.

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