Quasielastic (e,e′p) reaction on [superscript]12C,[superscript 56]Fe, and [superscript 197]Au

Dutta, D.; van Westrum, D.; Abbott, D.; Ahmidouch, A.; Amatuoni, Ts. A.; Armstrong, C.; Arrington, J.; Assamagan, K. A.; Bailey, K.; Baker, O. K.; Barrow, S.; Beard, K.; Beatty, D.; Beedoe, S.; Beise, E.; Belz, E.; Bochna, C.; Bosted, P. E.; Breuer, H.; Bruins, E. E. W.; Carlini, R.; Cha, J.; Chant, N.; Cothran, C.; Cummings, W. J.; Danagoulian, S.; Day, D.; DeSchepper, D.; Ducret, J.-E.; Duncan, F.; Dunne, J.; Eden, T.; Ent, R.; Fortune, H. T.; Frolov, V.; Geesaman, D. F.; Gao, H.; Gilman, R.; Guèye, P.; Hansen, J. O.; Hinton, W.; Holt, R. J.; Jackson, C.; Jackson, H. E.; Jones, C.; Kaufman, S.; Kelly, J. J.; Keppel, C.; Khandaker, M.; Kim, W.; Kinney, E.; Klein, A.; Koltenuk, D.; Kramer, L.; Lorenzon, W.; Lung, A.; McFarlane, K.; Mack, D. J.; Madey, R.; Markowitz, P.; Martin, J.; Mateos, A.; Meekins, D.; Miller, M. A.; Milner, R.; Mitchell, J.; Mohring, R.; Mkrtchyan, H.; Nathan, A. M.; Niculescu, G.; Niculescu, I.; O’Neill, T. G.; Potterveld, D.; Price, J. W.; Reinhold, J.; Salgado, C.; Schiffer, J. P.; Segel, R. E.; Stoler, P.; Suleiman, R.; Tadevosyan, V.; Tang, L.; Terburg, B.; Welch, T. P.; Williamson, C.; Wood, S.; Yan, C.; Yang, J.-C.; Yu, J.; Zeidman, B.; Zhao, W.; Zihlmann, B.

Author(s)

Bruins, E. E. W.; Dutta, Debarchana; DeSchepper, D.; Gao, Haiyan; Kramer, L.; ... Show more

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Abstract

We report the results from a systematic study of the quasielastic (e,e′p) reaction on [superscript 12]C, [superscript 56]Fe, and [superscript 197]Au performed at Jefferson Lab. We have measured nuclear transparency and extracted spectral functions (corrected for radiation) over a Q[superscript 2] range of 0.64–3.25 (GeV∕c)[superscript 2] for all three nuclei. In addition, we have extracted separated longitudinal and transverse spectral functions at Q[superscript 2] of 0.64 and 1.8 (GeV∕c)[superscript 2] for these three nuclei (except for [superscript 197]Au at the higher Q[superscript 2]). The spectral functions are compared to a number of theoretical calculations. The measured spectral functions differ in detail but not in overall shape from most of the theoretical models. In all three targets the measured spectral functions show considerable excess transverse strength at Q[superscript 2]=0.64 (GeV∕c)[superscript 2], which is much reduced at 1.8 (GeV∕c)[superscript 2].

Date issued

2003-12

URI

http://hdl.handle.net/1721.1/72525

Department

Massachusetts Institute of Technology. Department of Physics

Journal

Physical Review C

Publisher

American Physical Society

Citation

Version: Final published version

ISSN

0556-2813

1089-490X

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