Pionic contribution to the muon magnetic moment

Raszillier, I.; Schmidt, W.; Stefanescu, I. Sabba

doi:10.1016/0550-3213(76)90245-5

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2009

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Cited by 6 publications

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“…If we were to retain the series up to the first four terms, we would have had to supply the third Taylor coefficient (d) as well. Improvements on the bounds were made possible by using experimental information on the Pion form factor at space-like [18] and at time-like [19] values of the momentum transfer.…”

Section: Formalismmentioning

confidence: 99%

New constraints on the pion EM form factor using $ \Pi^{{ \prime}}_{}$ (- Q2)

2009

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We study the constraints arising on the expansion parameters c and d of the Pion electromagnetic form factor from the inclusion of pure space-like data and the phase of time-like data along with one space-like datum, using as input the first derivative of the QCD polarization amplitude Π ′ (−Q 2 ). These constraints when combined with other analyses, provide a valuable check on a determination of c due to Guo et al. and on our previous work where pionic contribution to the (g − 2) of the muon was used as the input. This work further illustrates the power of analyticity techniques in form factor analysis.

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Section: Formalismmentioning

confidence: 99%