Can Four-fermion Contact Interactions at One-loop Explain the New Atomic Parity Violation Results?

Details Can Four-fermion Contact Interactions at One-loop Explain the New Atomic Parity Violation Results? Can Four-fermion Contact Interactions at One-loop Explain the New Atomic Parity Violation Results?

2000-02-07

arxiv.org/abs/hep-ph/0002069v1

Eur.Phys.J.C17:107-111,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 2 figures

Scientific paper

10.1007/s100520000453

We investigate the possibility that four-fermion contact interactions give
rise to the observed deviation from the Standard Model prediction for the weak
charge of Cesium, through one-loop contributions. We show that the presence of
loops involving the third generation quarks can explain such deviation.

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