Measurement of the LT-asymmetry in pi(0) electroproduction at the energy of the Delta(1232)-resonance (CROSBI ID 128306)
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Podaci o odgovornosti
Elsner, D. ; Suele, A. ; Barneo, P. ; Bartsch, P. ; Baumann, D. ; Bermuth, J. ; Boehm R. ; Bosnar, Damir ; Ding, M. ; Distler, M. ; Drechsel, D. ; Ewald, I. ; Friedrich, J. ; Friedrich, J.M. ; Groezinger, S. ; Jennewein, P. ; Kamalov, S. ; Klein, F.H. ; Kohl, M. ; Krygier, K.W. ; Merkel, H. ; Merle, P. ; Mueller, U. Neuhausen, R. ; Pospischil, Th. ; Potokar, M. ; Rosner, G. ; Schmieden, H. ; Seimet, M. ; Straehle, O. ; Tiator, L. ; Walcher, Th. ; Weis, M.
engleski
Measurement of the LT-asymmetry in pi(0) electroproduction at the energy of the Delta(1232)-resonance
The reaction p(e, e' p)pi0 has been studied at Q2=0.2 (GeV/c)2 in the region of W=1232 MeV. From measurements left and right of q cross section asymmetries rho_LT have been obtained in forward rho_LT(theta_pi0=20deg) = (-11.68 +/- 2.36_stat +/- 2.36_sys) and backward rho_LT(theta_pi0=160deg) = (12.18 +/- 0.27_stat +/- 0.82_sys) pi0 kinematics, from which \Re(S_1+^* M_1+)/|M_1+|^2 and \Re(S_0+^* M_1+)/|M_1+|^2 could be determined.
Meson production; Electromagnetic processes and properties; Baryon resonances
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