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Pion form factors

We consider the electromagnetic and transition pion form factors. Using dispersion relations we simultaneously describe both the hadronic, time-like region and the asymptotic region of large energy-momentum transfer. For the latter we propose a novel mechanism of Regge fermion exchange. We find that hadronic contributions dominate form factors at all currently available energies.

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Related contextCo-authorshipCo-authorshipCo-authorshipAuthorshipAuthorshipAuthorshipTopic signalTopic signalTopic signalTopic signalWPion form factorspreprint / 2011AMikhail GorchteinResearcherAPeng GuoResearcherAAdam P. SzczepaniakResearcherThep-ex5210 worksThep-ph13193 worksTnucl-ex2577 worksTnucl-th4595 works
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Pion form factors

preprint / 2011

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