Measurement of the interference structure function RLT for the 12C(e,e′p) reaction in the quasielastic region

M. Holtrop, D. Jordan, T. McIlvain, Ricardo Alarcon, R. Beck, W. Bertozzi, V. Bhushan, W. Boeglin, J. P. Chen, D. Dale, G. Dodson, S. Dolfini, K. Dow, J. Dzengeleski, M. B. Epstein, M. Farkhondeh, S. Gilad, J. Görgen, K. Joo, J. KelseyW. Kim, R. Laszewski, R. Lourie, J. Mandeville, D. J. Margaziotis, D. Martinez, R. Miskimen, C. Papanicolas, S. Penn, W. Sapp, A. J. Sarty, D. Tieger, C. Tschalaer, W. Turchinetz, G. Warren, L. Weinstein, S. Williamson

Research output: Contribution to journalArticle

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Abstract

The coincidence cross section and the interference structure function, RLT, were measured for the 12C(e,e′p) 11B reaction at quasielastic kinematics and central momentum transfer of |q|=400 MeV/c. The measurement was at an opening angle of θpq = 11°, covering a range in missing energy of Em = 0 to 65 MeV. The RLT structure function is found to be consistent with zero for Em>50 MeV, confirming an earlier study which indicated that RL vanishes in this region. The integrated strengths of the p-and s-shell are compared with a distorted wave impulse approximation (DWIA) calculation. The s-shell strength and shape are also compared with a Hartree Fock-random phase approximation (HF-RPA) calculation. The DWIA calculation does not succeed in giving a consistent description of both the cross section data and the extracted RLT response for either shell. The HF-RPA calculation describes the data more consistently, which may be due to the inclusion of 2-body currents in this calculation.

Original languageEnglish (US)
Pages (from-to)3205-3211
Number of pages7
JournalPhysical Review C - Nuclear Physics
Volume58
Issue number6
StatePublished - Dec 1998

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interference
approximation
impulses
cross sections
momentum transfer
coverings
kinematics
inclusions
energy

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Nuclear and High Energy Physics

Cite this

Holtrop, M., Jordan, D., McIlvain, T., Alarcon, R., Beck, R., Bertozzi, W., ... Williamson, S. (1998). Measurement of the interference structure function RLT for the 12C(e,e′p) reaction in the quasielastic region. Physical Review C - Nuclear Physics, 58(6), 3205-3211.

Measurement of the interference structure function RLT for the 12C(e,e′p) reaction in the quasielastic region. / Holtrop, M.; Jordan, D.; McIlvain, T.; Alarcon, Ricardo; Beck, R.; Bertozzi, W.; Bhushan, V.; Boeglin, W.; Chen, J. P.; Dale, D.; Dodson, G.; Dolfini, S.; Dow, K.; Dzengeleski, J.; Epstein, M. B.; Farkhondeh, M.; Gilad, S.; Görgen, J.; Joo, K.; Kelsey, J.; Kim, W.; Laszewski, R.; Lourie, R.; Mandeville, J.; Margaziotis, D. J.; Martinez, D.; Miskimen, R.; Papanicolas, C.; Penn, S.; Sapp, W.; Sarty, A. J.; Tieger, D.; Tschalaer, C.; Turchinetz, W.; Warren, G.; Weinstein, L.; Williamson, S.

In: Physical Review C - Nuclear Physics, Vol. 58, No. 6, 12.1998, p. 3205-3211.

Research output: Contribution to journalArticle

Holtrop, M, Jordan, D, McIlvain, T, Alarcon, R, Beck, R, Bertozzi, W, Bhushan, V, Boeglin, W, Chen, JP, Dale, D, Dodson, G, Dolfini, S, Dow, K, Dzengeleski, J, Epstein, MB, Farkhondeh, M, Gilad, S, Görgen, J, Joo, K, Kelsey, J, Kim, W, Laszewski, R, Lourie, R, Mandeville, J, Margaziotis, DJ, Martinez, D, Miskimen, R, Papanicolas, C, Penn, S, Sapp, W, Sarty, AJ, Tieger, D, Tschalaer, C, Turchinetz, W, Warren, G, Weinstein, L & Williamson, S 1998, 'Measurement of the interference structure function RLT for the 12C(e,e′p) reaction in the quasielastic region', Physical Review C - Nuclear Physics, vol. 58, no. 6, pp. 3205-3211.
Holtrop, M. ; Jordan, D. ; McIlvain, T. ; Alarcon, Ricardo ; Beck, R. ; Bertozzi, W. ; Bhushan, V. ; Boeglin, W. ; Chen, J. P. ; Dale, D. ; Dodson, G. ; Dolfini, S. ; Dow, K. ; Dzengeleski, J. ; Epstein, M. B. ; Farkhondeh, M. ; Gilad, S. ; Görgen, J. ; Joo, K. ; Kelsey, J. ; Kim, W. ; Laszewski, R. ; Lourie, R. ; Mandeville, J. ; Margaziotis, D. J. ; Martinez, D. ; Miskimen, R. ; Papanicolas, C. ; Penn, S. ; Sapp, W. ; Sarty, A. J. ; Tieger, D. ; Tschalaer, C. ; Turchinetz, W. ; Warren, G. ; Weinstein, L. ; Williamson, S. / Measurement of the interference structure function RLT for the 12C(e,e′p) reaction in the quasielastic region. In: Physical Review C - Nuclear Physics. 1998 ; Vol. 58, No. 6. pp. 3205-3211.
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abstract = "The coincidence cross section and the interference structure function, RLT, were measured for the 12C(e,e′p) 11B reaction at quasielastic kinematics and central momentum transfer of |→q|=400 MeV/c. The measurement was at an opening angle of θpq = 11°, covering a range in missing energy of Em = 0 to 65 MeV. The RLT structure function is found to be consistent with zero for Em>50 MeV, confirming an earlier study which indicated that RL vanishes in this region. The integrated strengths of the p-and s-shell are compared with a distorted wave impulse approximation (DWIA) calculation. The s-shell strength and shape are also compared with a Hartree Fock-random phase approximation (HF-RPA) calculation. The DWIA calculation does not succeed in giving a consistent description of both the cross section data and the extracted RLT response for either shell. The HF-RPA calculation describes the data more consistently, which may be due to the inclusion of 2-body currents in this calculation.",
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T1 - Measurement of the interference structure function RLT for the 12C(e,e′p) reaction in the quasielastic region

AU - Holtrop, M.

AU - Jordan, D.

AU - McIlvain, T.

AU - Alarcon, Ricardo

AU - Beck, R.

AU - Bertozzi, W.

AU - Bhushan, V.

AU - Boeglin, W.

AU - Chen, J. P.

AU - Dale, D.

AU - Dodson, G.

AU - Dolfini, S.

AU - Dow, K.

AU - Dzengeleski, J.

AU - Epstein, M. B.

AU - Farkhondeh, M.

AU - Gilad, S.

AU - Görgen, J.

AU - Joo, K.

AU - Kelsey, J.

AU - Kim, W.

AU - Laszewski, R.

AU - Lourie, R.

AU - Mandeville, J.

AU - Margaziotis, D. J.

AU - Martinez, D.

AU - Miskimen, R.

AU - Papanicolas, C.

AU - Penn, S.

AU - Sapp, W.

AU - Sarty, A. J.

AU - Tieger, D.

AU - Tschalaer, C.

AU - Turchinetz, W.

AU - Warren, G.

AU - Weinstein, L.

AU - Williamson, S.

PY - 1998/12

Y1 - 1998/12

N2 - The coincidence cross section and the interference structure function, RLT, were measured for the 12C(e,e′p) 11B reaction at quasielastic kinematics and central momentum transfer of |→q|=400 MeV/c. The measurement was at an opening angle of θpq = 11°, covering a range in missing energy of Em = 0 to 65 MeV. The RLT structure function is found to be consistent with zero for Em>50 MeV, confirming an earlier study which indicated that RL vanishes in this region. The integrated strengths of the p-and s-shell are compared with a distorted wave impulse approximation (DWIA) calculation. The s-shell strength and shape are also compared with a Hartree Fock-random phase approximation (HF-RPA) calculation. The DWIA calculation does not succeed in giving a consistent description of both the cross section data and the extracted RLT response for either shell. The HF-RPA calculation describes the data more consistently, which may be due to the inclusion of 2-body currents in this calculation.

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