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

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

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Abstract

We report the results from a systematic study of the quasielastic (e,e′p) reaction on 12C, 56Fe, and 197Au performed at Jefferson Lab. We have measured nuclear transparency and extracted spectral functions (corrected for radiation) over a Q 2 range of 0.64-3.25 (GeV/c) 2 for all three nuclei. In addition, we have extracted separated longitudinal and transverse spectral functions at Q 2 of 0.64 and 1.8 (GeV/c) 2 for these three nuclei (except for 197Au at the higher Q 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 2=0.64 (GeV/c) 2, which is much reduced at 1.8 (GeV/c) 2.

Original languageEnglish (US)
Article number064603
Pages (from-to)646031-6460317
Number of pages5814287
JournalPhysical Review C - Nuclear Physics
Volume68
Issue number6
StatePublished - Dec 1 2003

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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    Dutta, D., Van Westrum, D., Abbott, D., Ahmidouch, A., Ts. A. Amatuoni, A. A., Armstrong, C., Arrington, J., Assamagan, K. A., Bailey, K., Baker, O. K., Barrow, S., Beard, K., Beatty, D., Beedoe, S., Beise, E., Beiz, E., Bochna, C., Bosted, P. E., Breuer, H., ... Zihlmann, B. (2003). Quasielastic (e,e′p) reaction on 12C, 56Fe, and 197Au. Physical Review C - Nuclear Physics, 68(6), 646031-6460317. [064603].