Mass dimension one fermions at 1-loop
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2020-09-01
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de Brito, G. P.
Hoff da Silva, J. M. [UNESP]
Nikoofard, Vahid
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We investigate 1-loop contributions to the 2- and 4-point correlation functions within a theory for fermions with mass dimension one with a simple quartic self-interaction term. The 1-loop divergence appearing the self-energy function can be consistently absorbed by renormalization of the mass parameter. In the case of the (1PI) 4-point correlation function, there is a surprising cancellation of divergences coming from different diagrams, leading to a finite 1-loop result. The inclusion of a complete basis of four-fermion interactions is discussed.
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European Physical Journal: Special Topics, v. 229, n. 11, p. 2023-2034, 2020.