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[en] We present a measurement of the induced proton polarization Pn in π0 electroproduction on the proton around the Δ resonance. The measurement was made at a central invariant mass and a squared four-momentum transfer of W = 1231 MeV and Q2 = 0.126 GeV2/c2, respectively. We measured a large induced polarization, Pn = -0.397 ± 0.055 ± 0.009. The data suggest that the scalar background is larger than expected from a recent effective Hamiltonian model
Journal
Physical Review. C, Nuclear Physics; ISSN 0556-2813; 
; v. 58(6); [10 p.]
; v. 58(6); [10 p.]