\relax \@writefile{toc}{\contentsline {section}{\numberline {1}Overview}{1}} \citation{SPIN0} \citation{GLOBAL} \citation{FJ} \citation{KUHL} \citation{SLAC} \citation{MT} \citation{FS85} \citation{rlin} \citation{rlin} \@writefile{toc}{\contentsline {section}{\numberline {2}Theoretical background}{2}} \@writefile{lof}{\contentsline {figure}{\numberline {1}{\ignorespaces Extracted resonant and non-resonant contributions to the neutron to proton cross section ratio in the region of the $\Delta $ resonance\cite {rlin}.}}{3}} \newlabel{Lent}{{1}{3}} \citation{rlin} \citation{rlww} \citation{rami} \citation{rlin} \citation{rste} \citation{rkob} \citation{rsto} \citation{rstlr} \citation{rrs} \citation{rme} \citation{rwar} \citation{ioana} \citation{eric} \citation{duality1} \citation{duality2} \citation{duality3} \citation{close} \@writefile{lof}{\contentsline {figure}{\numberline {2}{\ignorespaces Inclusive resonance electroproduction cross sections from Jefferson Lab at $Q^2 = 1.5$ GeV$^2$. Cross sections are shown as a function of invariant mass squared for hydrogen (top) deuterium (bottom) targets at matched kinematics. The hydrogen spectrum is plotted with global resonant and non-resonant fits.}}{5}} \newlabel{CData}{{2}{5}} \citation{FS81} \citation{SIM} \citation{MSS} \citation{MSS} \citation{FLUX} \citation{MST} \citation{KPW} \citation{KPW} \citation{MST} \citation{MST} \citation{FS85} \citation{MSS} \newlabel{ia}{{3}{6}} \newlabel{offshell}{{4}{6}} \citation{HE4} \citation{MTT} \citation{MTT} \citation{MSS} \citation{DWIA} \citation{DWIA} \citation{STZ} \citation{E665} \citation{DWIA} \@writefile{lof}{\contentsline {figure}{\numberline {3}{\ignorespaces Ratio $R_n \equiv F_2^{n (eff)}(W^2,Q^2,p^2)/F_2^n(W^2,Q^2)$ of the bound to free neutron structure functions, as a function of the spectator proton momentum, in the model of Ref.\nobreakspace {}\cite {MST}.}}{7}} \newlabel{bfratio}{{3}{7}} \citation{MSS} \citation{DWIA} \citation{MST} \newlabel{fsi}{{5}{8}} \citation{MSS} \citation{MSS} \citation{sauli} \citation{gem1} \citation{gem2} \citation{gem3} \citation{gem4} \citation{gem5} \citation{gem6} \citation{gem7} \citation{gem8} \citation{gem9} \citation{gem10} \@writefile{lof}{\contentsline {figure}{\numberline {4}{\ignorespaces Spectral function calculated with and without FSI effects within the DWIA \cite {MSS}. The curves correspond to different values of the spectator nucleon transverse momentum (in GeV/c).}}{9}} \newlabel{fsifig}{{4}{9}} \@writefile{toc}{\contentsline {section}{\numberline {3}Recoil detector}{9}} \citation{saulipc} \citation{simula} \citation{dieperink} \@writefile{lof}{\contentsline {figure}{\numberline {5}{\ignorespaces Schematic drawing of the proposed target-recoil detector system. The target volume (5 atm deuterium gas) is surrounded by 6 layers of GEM detectors operated with 5 atm Argon gas and read out with microstrip readouts.}}{10}} \newlabel{Det}{{5}{10}} \@writefile{toc}{\contentsline {section}{\numberline {4}Expected results}{11}} \@writefile{lof}{\contentsline {figure}{\numberline {6}{\ignorespaces Expected number of counts for the proposed experiment in 40 days of ideal running at 6 GeV, plotted as a function of the reconstructed mass $W$ of the (unobserved) final state. The data sets are for different cuts on the momentum $p_s$ and the light cone fraction $\alpha _s$ of the spectator. Clearly, there will be ample statistics to study $F_2^n$ in the resonance region and beyond, and to further subdivide the accessible range 1 GeV$^2 < Q^2 < \,$5 GeV$^2$ into several bins in $Q^2$.}}{12}} \newlabel{Wexp}{{6}{12}} \@writefile{lof}{\contentsline {figure}{\numberline {7}{\ignorespaces Preliminary spectrum from the recently completed e6 run at CLAS (counts versus reconstructed final state mass $W$), based on about 1\% of the e6 data (5 hours). Similar cuts as proposed here were applied, but the threshold for detection of the recoil proton was above 200 MeV/c for this experiment. The resolution is expected to improve significantly once final calibrations and momentum corrections have been applied.}}{13}} \newlabel{Wdeeps}{{7}{13}} \@writefile{lof}{\contentsline {figure}{\numberline {8}{\ignorespaces Ratio $F_2^n/F_2^p$ versus $x$. The circles and triangles indicate the expected coverage of the proposed experiment for two different bins in $Q^2$. The statistical error bars (smaller than the symbols for most points) are based on a 40 day run, with full reconstruction of the kinematics via detection of a backwards moving spectator proton. Estimated systematic errors due to experimental and theoretical uncertainties are indicated by the band at the bottom. The arrows indicate different possible approaches to the limit $x \rightarrow 1$ which cannot be excluded by present-day data due to the uncertainty of nuclear effects. The remaining points indicate existing (deuterium and proton) data from SLAC (with systematic and statistical error bars combined), analyzed in two different ways. In one case (open squares), the data on deuterium were only corrected for momentum smearing (Fermi correction). 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