Prediction of R plus R-2 gravity for the deflection of a photon passing close to the Sun
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Data
1999-05-01
Autores
Accioly, A.
Ragusa, S.
Neto, ECD
Mukai, H.
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Editrice Compositori Bologna
Resumo
The cross-section for the scattering of a photon by the Sun's gravitational field, treated as an external field, is computed in the framework of R + R-2 gravity. Using this result, we found that for a photon just grazing the Sun's surface the deflection is 1.75 which is exactly the same as that given by Einstein's theory. An explanation for this pseudo-paradox is provided.
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Nuovo Cimento Della Societa Italiana Di Fisica B-general Physics Relativity Astronomy and Mathematical Physics and Methods. Bologna: Editrice Compositori Bologna, v. 114, n. 5, p. 595-600, 1999.