Superfield Calculation of Loop Contribution in Extra Dimensional Theories

Details Superfield Calculation of Loop Contribution in Extra Dimensional Theories Superfield Calculation of Loop Contribution in Extra Dimensional Theories

2006-02-09

arxiv.org/abs/hep-ph/0602088v8

Phys.Rev. D74 (2006) 035008

Physics

High Energy Physics

High Energy Physics - Phenomenology

38 pages, 7 figures. Added references

Scientific paper

10.1103/PhysRevD.74.035008

Superfields provide a compact description of supersymmetry representations. Loop corrections with superfield formalism are simpler and much more manageable than calculation in terms of component fields. In this paper we calculate the contribution of the Kaluza-Klein states, associated with extra dimensions, to the renormalization group beta function. These Kaluza-Klein particles circulate in the virtual loop, hence affecting the overall corrections at any order. We obtain the one-loop correction, which checks with the result previously obtained using the more laborious component field method. In addition, we calculate the two-loop correction coming from chiral KK states.

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