### Session GB: Electromagnetic Interactions I

10:30 AM–12:18 PM, Saturday, October 25, 2008
Room: Room 208

Chair: Dennis Skopik, Thomas Jefferson National Accelerator Facility

Abstract ID: BAPS.2008.DNP.GB.8

### Abstract: GB.00008 : Impulse Approximation limitations to the $(e,e'p)$ reaction on $^{208}$Pb: identifying correlations in the nuclear medium

11:54 AM–12:06 PM

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#### Authors:

Juan Carlos Cornejo
(California State University, Los Angeles)

Joaquin Lopez Herraiz
(Universidad Complutense de Madrid, Madrid, Spain)

Experiment E06007 at Jefferson Lab measured cross sections for the $(e,e'p)$ reaction at constant $(\textbf{q},\omega)$ for Q$^2$ = 0.81 GeV$^2$ over a range of missing momenta from 0 to 500 MeV/c. Spectroscopic factors for states near the Fermi level are typically in the range of 0.65-0.70, a feature usually attributable to correlations. A consistent description of nuclear structure requires that these correlations should also have a significant effect on the strength of high momentum components of single nucleon states. Cross sections for missing momenta from 300 MeV/c to 500 MeV/c for the $^{208}$Pb(e,e'p) reaction going to the low lying states of $^{207}$Tl will be presented and compared to theoretical predictions using various prescriptions for including correlations.

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2008.DNP.GB.8