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Aldrovandi, R.; Novaes, S.F.; Spehler, D.
Instituto de Fisica Teorica (IFT), Sao Paulo, SP (Brazil)1992
Instituto de Fisica Teorica (IFT), Sao Paulo, SP (Brazil)1992
AbstractAbstract
[en] The Weyl-van der Waerden spinor formalism is applied to the evaluation of helicity invariant amplitudes in the framework of linearized gravitation. The graviton couplings to spin-0, 1 -2, 1, and 3 -2 particles are given, and, to exhibit the reach of this method, the helicity amplitudes for the process electron + positron → photon + graviton are obtained. (author)
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Jul 1992; 24 p
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