Measurement of longitudinal and transverse cross sections in the [Formula Presented] reaction at [Formula Presented]

D. Gaskell, A. Ahmidouch, P. Ambrozewicz, H. Anklin, J. Arrington, K. Assamagan, S. Avery, K. Bailey, O. K. Baker, S. Beedoe, B. Beise, H. Breuer, D. S. Brown, R. Carlini, J. Cha, N. Chant, A. Cowley, S. Danagoulian, D. Schepper, J. DunneD. Dutta, R. Ent, L. Gan, A. Gasparian, D. F. Geesaman, R. Gilman, C. Glashausser, P. Gueye, M. Harvey, O. Hashimoto, W. Hinton, G. Hofman, C. Jackson, H. E. Jackson, C. Keppel, E. Kinney, D. Koltenuk, A. Lung, D. Mack, D. McKee, J. Mitchell, H. Mkrtchyan, B. Mueller, G. Niculescu, I. Niculescu, T. G. O’Neill, V. Papavassiliou, D. Potterveld, J. Reinhold, P. Roos, R. Sawafta, R. Segel, S. Stepanyan, V. Tadevosyan, T. Takahashi, L. Tang, B. Terburg, D. Van Westrum, J. Volmer, T. P. Welch, S. Wood, L. Yuan, B. Zeidman, B. Zihlmann

Research output: Contribution to journalArticlepeer-review

Abstract

The coherent [Formula Presented] reaction was measured at [Formula Presented] and [Formula Presented] for two values of the virtual photon polarization, ε, allowing the separation of longitudinal and transverse cross sections. The results from the coherent process on [Formula Presented] were compared to [Formula Presented] data taken at the same kinematics. This marks the first direct comparison of these processes. At these kinematics [Formula Presented] pion rescattering from the spectator nucleons in the [Formula Presented] process is expected to be small, simplifying the comparison to [Formula Presented] production from the free proton.

Original languageEnglish (US)
JournalPhysical Review C - Nuclear Physics
Volume65
Issue number1
DOIs
StatePublished - 2002

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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