Polarization transfer in the 4He(e over-right-arrow,e 'p over-right-arrow)3H reaction up to Q2=2.6 (GeV/c)2
- Strauch, S.
- Dieterich, S.
- Aniol, K.A.
- Annand, J.R.M.
- Baker, O.K.
- Bertozzi, W.
- Boswell, M.
- Brash, E.J.
- Chai, Z.
- Chen, J.P.
- Christy, M.E.
- Chudakov, E.
- Cochran, A.
- De Leo, R.
- Ent, R.
- Epstein, M.B.
- Finn, J.M.
- Fissum, K.G.
- Forest, T.A.
- Frullani, S.
- Garibaldi, F.
- Gasparian, A.
- Gayou, O.
- Gilad, S.
- Gilman, R.
- Glashausser, C.
- Gomez, J.
- Gorbenko, V.
- Gueye, P.L.J.
- Hansen, J.O.
- Higinbotham, D.W.
- Hu, B,
- Hyde-Wright, C.E.
- Ireland, D.G.
- Jackson, C.
- de Jager, C.W.
- Jiang, X.
- Jones, C.
- Jones, M.
- Kellie, J.D.
- Kelly, J.J.
- Keppel, C.E.
- Kumbartzki, G.
- Kuss, M.
- Lerose, J.J.
- Livingston, K.
- Liyanage, N.
- Malov, S.
- Margaziotis, D.J.
- Meekins, D.
- Michaels, R.
- Mitchell, J.H.
- Nanda, S.K.
- Nappa, J.
- Perdrisat, C.F.
- Punjabi, V.A.
- Ransome, R.D.
- Roche, R.
- Rosner, G.
- Rvachev, M.
- Sabatie, F.
- Saha, A.
- Sarty, A.
- Udias, J.M.
- Ulmer, P.E.
- Urciuoli, G.M.
- van den Brand, J.F.J.
- Vignote, J.R.
- Watts, D.P.
- Weinstein, L.B.
- Wijesooriya, K.
- Wojtsekhowski, B.
DOIAbstract
We have measured the proton recoil polarization in the He-4((e) over right arrow ,e(')(p) over right arrow)H-4 reaction at Q(2)=0.5, 1.0, 1.6, and 2.6 (GeV/c)(2). 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
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