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The order analysis for the two loop corrections to lepton MDM | | Shu-Min Zhao
; Xing-Xing Dong
; Lu-Hao Su
; Hai-Bin Zhang
; | | Date: |
9 Apr 2020 | | Abstract: | The experimental data of the magnetic dipole moment(MDM) of lepton($e$,
$mu$) is very exact. The deviation between the experimental data and the
standard model prediction maybe comes from new physics contribution.
In the supersymmetric models, there are very many two loop diagrams
contributing to the lepton MDM. Based on the supposition that all
supersymmetric particles have same masses, we analyze the order of the
contributions from the two loop diagrams. The two loop triangle diagrams
corresponding to the corresponding two loop self-energy diagram satisfy Ward
identity, and their contributions possess particular factors. This work can
help to distinguish the important two loop diagrams giving corrections to
lepton MDM. | | Source: | arXiv, 2004.4405 | | Services: | Forum | Review | PDF | Favorites | |
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