Published 1988 | Version v1
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Analytic stochastic regularization: gauge and supersymmetry theories

Description

Analytic stochastic regularization for gauge and supersymmetric theories is considered. Gauge invariance in spinor and scalar QCD is verified to brak fown by an explicit one loop computation of the two, theree and four point vertex function of the gluon field. As a result, non gauge invariant counterterms must be added. However, in the supersymmetric multiplets there is a cancellation rendering the counterterms gauge invariant. The calculation is considered at one loop order. (author)

Abstract (Portuguese)

Considera-se a regularizacao analitica estocastica para teorias supersimetricas e de gauge. Verifica-se que a invariancia de gauge para QCD espinorial e escalar e quebrada atraves de um calculo explicito das funcoes de vertice de dois, tres e quatro pontos para o campo do gluon. Como resultado, devem ser adicionados contratermos nao-invariantes de gauge. Contudo, nos multiplitos supersimetricos ocorre um cancelamento que mantem a invariance de gauge de todos os contratermos. O calculo e condierado ate a ordem de um-lop. (M.W.O.)

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Publishing Information

Imprint Pagination
15 p.
Report number
IFT-P--05/88