$Dynamical relativistic effects in quasielastic 1p-shell proton knockout from $^{16}$O$

Dynamical relativistic effects in quasielastic 1p-shell proton knockout from $^{16}$O

We have measured the cross section for quasielastic 1p-shell proton knockout in the 16O(e,e′p) reaction at ω=0.439GeV and Q2=0.8(GeV/c)2 for missing momentum Pmiss≤355MeV/c. We have extracted the response functions RL+TT, RT, RLT, and the left-right asymmetry, ALT, for the 1p1/2 and the 1p3/2 states...

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Veröffentlicht in:	Physical review letters 2000, Vol.84 (15), p.3265-3269
Hauptverfasser:	Gao, J., Anderson, B.D., Aniol, K.A., Auerbach, L., Baker, F.T., Beise, E.J., Berthot, J., Bertin, P.Y., Bertozzi, W., Bimbot, L., Boeglin, W.U., Brash, E.J., Breton, Vincent, Breuer, H., Burtin, E., Calarco, J.R., Cardman, L.S., Cates, G.D., Cavata, C., Chang, C.C., Chant, N.S., Chen, J.P., Cisbani, E., Dale, D.S., Deur, A., Diederich, B., Djawotho, P., Doyle, B., Ducret, J.E., Epstein, M.B., Ewell, L.A., Finn, J.M., Fissum, K.G., Fonvieille, H., Frois, B., Frullani, S., Garibaldi, F., Gasparian, A., Gilad, S., Gilman, R., Glamazdin, A., Glashausser, C., Gomez, J., Gorbenko, V., Gorringe, T., Griffieon, K., Hersman, F.W., Holmes, R., Holtrop, M., d'Hose, N., Howell, C., Huber, G.M., Hyde-Wright, C., Iodice, M., de Jager, C.W., Jaminion, S., Jones, M.K., Joo, K., Jutier, C., Kahl, W., Kato, S., Kelly, J.J., Kerhoas, S., Khandaker, M., Khayat, M., Kino, K., Korsch, W., Kramer, L.H., Kumar, K.S., Kumbartzki, G., Laveissiere, G., de Leo, R., Leone, A., Le Rose, J.J., Levchuk, L., Liang, M., Lindgren, R.A., Liyanage, N., Lolos, G.J., Lourie, R.W., Madey, R., Maeda, K., Malov, S., Manley, D.M., Margaziotis, D.J., Markowitz, P., Marroncle, J., Martino, J., Mccarty, J.S., Mccormick, K., Mcintyre, J., van Der Meer, R.L.J., Meziani, Z.E., Michaels, R., Mougey, J.Y., Nanda, S.K., Neyret, D., Offermann, E.A.J.M., Papandreou, Z., Perdrisat, C.F.
Format:	Artikel
Sprache:	eng
Schlagworte:	CROSS SECTIONS DISTORTED WAVE THEORY ELECTRON REACTIONS EXPERIMENTAL DATA High Energy Physics - Experiment KNOCK-OUT REACTIONS NUCLEAR PHYSICS AND RADIATION PHYSICS OXYGEN 16 TARGET Physics PROTONS RESPONSE FUNCTIONS THEORETICAL DATA
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Zusammenfassung:	We have measured the cross section for quasielastic 1p-shell proton knockout in the 16O(e,e′p) reaction at ω=0.439GeV and Q2=0.8(GeV/c)2 for missing momentum Pmiss≤355MeV/c. We have extracted the response functions RL+TT, RT, RLT, and the left-right asymmetry, ALT, for the 1p1/2 and the 1p3/2 states. The data are well described by relativistic distorted wave impulse approximation calculations. At large Pmiss, the structure observed in ALT indicates the existence of dynamical relativistic effects. (APS)
ISSN:	0031-9007 1079-7114
DOI:	10.1103/PhysRevLett.84.3265