Effect of omega(782) resonance on the response functions for d(e,e’π+)nn reaction
AUTHORS: M. Tammam , Zakaria M. M. Mahmoud , Mohamed S. I. Koubisy
PAGES: 119 - 128
In the present work we study the effect of the Omega (ω(782)) resonance on the response functions for the incoherent positive pion electroproduction on the deuteron at different values of the squaredfour-momentum transfers (Q2) and the virtual photon lab energy (k0lab). The study is carried out in the impulse approximation (IA), i.e. the ﬁnal state interactions are neglected. The elementary amplitude for pion electroproduction is taken from the MAID-2007 model. The effect seems to be very small and slightly increases with increasing virtual photon lab energy.
Pion electroproduction; the ω ( 782 ) resonance; invariant amplitudes; CGLN amplitudes; structure functions; the impulse approximation (IA).
 X. Li, PhD dissertation, Chinese Academy of Sc. Inst. of Physics (1993).
 M.P. Rekalo et al., Annals of Physics 295 (2002) 1.
 E. Breitmoser and H. Arenhovel, Nucl. Phys. A612 (1997) 321.
 A. Fix and H. Arenhovel, Phys. Lett. B492 (2000) 32.
 R. Gilman etal., Phys. Rev. Lett. 64 (1990) 622.
 D. Gaskell et al., Phys. Rev. Lett. 87 (2001) 202301.
 R.J. Loucks et al., Phys. Rev. C49 (1994) 342.
 K. Hafidi and T.-S.H. Lee, Phys. Rev. C64 (2001) 064607.
 L.G. Levchuk and A.V. Shebeko, Nucl. Phys. A62 (1999) 228.
 H.Arenhovel and A. Fix, Phys. Rev. C72 (2005) 064004.
 M. Tammam et al., Phys. Rev. C74 (2006) 044001.
 D. Drechsel et al., Nucl. Phys. A645 (1999) 423.
 T.W. Donnelly and A.S. Raskin, Annals of Physics (N.Y.) 169 (1986) 247.
 M. Tammam, Nucl. Phys. A829 (2009) 126.