Fermion helicity flip in weak gravitational fields
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Data
1994-01-01
Autores
Aldrovandi, R. [UNESP]
Matsas, G. E.A. [UNESP]
Novaes, S. F. [UNESP]
Spehler, D. [UNESP]
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The helicity flip of a spin-1/2 Dirac particle interacting gravitationally with a scalar field is analyzed in the context of linearized quantum gravity. It is shown that massive fermions may have their helicity flipped by gravity, in opposition to massless fermions which preserve their helicity. © 1994 The American Physical Society.
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Physical Review D, v. 50, n. 4, p. 2645-2647, 1994.