Polarization Transfer in the [Formula presented] Reaction up to [Formula presented]

S. Strauch, S. Dieterich, K. A. Aniol, J. R.M. Annand, O. K. Baker, W. Bertozzi, M. Boswell, E. J. Brash, Z. Chai, J. P. Chen, M. E. Christy, E. Chudakov, A. Cochran, R. De Leo, R. Ent, M. B. Epstein, J. M. Finn, K. G. Fissum, T. A. Forest, S. FrullaniF. Garibaldi, A. Gasparian, O. Gayou, S. Gilad, R. Gilman, C. Glashausser, J. Gomez, V. Gorbenko, P. L.J. Gueye, J. O. Hansen, D. W. Higinbotham, B. Hu, C. E. Hyde-Wright, D. G. Ireland, C. Jackson, C. W. de Jager, X. Jiang, C. Jones, M. K. Jones, J. D. Kellie, J. J. Kelly, C. E. Keppel, G. Kumbartzki, M. Kuss, J. J. LeRose, K. Livingston, N. Liyanage, S. Malov, D. J. Margaziotis, D. Meekins, R. Michaels, J. H. Mitchell, S. K. Nanda, J. Nappa, C. F. Perdrisat, V. A. Punjabi, R. D. Ransome, R. Roché, G. Rosner, M. Rvachev, F. Sabatie, A. Saha, A. Sarty, J. M. Udias, P. E. Ulmer, G. M. Urciuoli, J. F.J. van den Brand, J. R. Vignote, D. P. Watts, L. B. Weinstein, K. Wijesooriya, B. Wojtsekhowski

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Abstract

We have measured the proton recoil polarization in the [Formula presented] reaction at [Formula presented], 1.0, 1.6, and [Formula presented]. The measured ratio of polarization transfer coefficients differs from a fully relativistic calculation, favoring the inclusion of a medium modification of the proton form factors predicted by a quark-meson coupling model. In addition, the measured induced polarizations agree reasonably well with the fully relativistic calculation indicating that the treatment of final-state interactions is under control.

Original languageEnglish (US)
JournalPhysical review letters
Volume91
Issue number5
DOIs
StatePublished - Jul 29 2003

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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