Tree-level violation of the equivalence principle
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Undergraduate course
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Kluwer Academic/plenum Publ
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Article
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Abstract
Massive particles of spin 0 and 1 violate the equivalence principle (EP) at the tree level. on the other hand, if these particles are massless, they agree with the EP, which leads us to conjecture that from a semiclassical viewpoint massless particles, no matter what their spin, obey the EP. General relativity predicts a deflection angle of 2.63' for a nonrelativistic spinless massive boson passing close to the Sun, while for a massive vectorial boson of spin 1 the corresponding deflection is 2.62'.
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Keywords
equivalence principle, massive scalar boson, massive vectorial boson
Language
English
Citation
International Journal of Theoretical Physics. New York: Kluwer Academic/plenum Publ, v. 41, n. 6, p. 1019-1025, 2002.
