Accioly, A.Azeredo, A. D.Neto, ECDMukai, H.2020-12-102020-12-101998-12-01Brazilian Journal Of Physics. Sao Paulo: Sociedade Brasileira Fisica, v. 28, n. 4, p. 496-504, 1998.0103-9733http://hdl.handle.net/11449/195682We present a tree level approach to the issue of the deflection of photons by the gravitational field of the Sun, treated as an external field, on the basis of R + R-2 gravity. We show that the deflection angle of a photon grazing the surface of the Sun is exactly the same as that given by general relativity. An explanation for this strange coincidence is provided.496-504engArtigoWOS:000078321700025