Masses and couplings of vector mesonsfrom the pion electromagnetic, weak, and πγ transition form factors
We analyze the pion electromagnetic, charged-current, and πγπγ\pi\gamma transition form factors at timelike momentum transfers q, q2=s≤1.4q2=s≤1.4q^2 = s\le 1.4 GeV2, using a dispersion approach. We discuss in detail the propagator matrix of the photon-vector meson system and define certain reduced...
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| Hauptverfasser: | , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
23 March 2004
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| In: |
The European physical journal. C, Particles and fields
Year: 2004, Jahrgang: 34, Heft: 3, Pages: 345-360 |
| ISSN: | 1434-6052 |
| DOI: | 10.1140/epjc/s2004-01726-4 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: http://dx.doi.org/10.1140/epjc/s2004-01726-4 Verlag, kostenfrei, Volltext: https://link.springer.com/article/10.1140/epjc/s2004-01726-4 
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| Verfasserangaben: | D. Melikhov, O. Nachtmann, V. Nikonov, T. Paulus |
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Masses and couplings of vector mesons from the pion electromagnetic, weak, and πγ transition form factors
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