A model of a transition neutral pion formfactor measured in annihilation and scattering channels

A model of a transition neutral pion formfactor measured in annihilation and scattering channels

We consider an alternative explanation of newly found growth of neutral pion transition form factor with virtuality of one of photon. It is based on Sudakov suppression of quark-photon vertex. Some applications to scattering and annihilation channels are considered including the relevant experiments...

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Veröffentlicht in:arXiv.org 2010-01
Hauptverfasser: Kuraev, E A, Ilyichev, A N, Bytev, V V, Bystritskiy, Yu M
Format: Artikel
Sprache:eng
Schlagworte:
Channels
Form factors
Leptons
Photons
Physics - High Energy Physics - Phenomenology
Pions
Proton scattering
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Beschreibung
Zusammenfassung:We consider an alternative explanation of newly found growth of neutral pion transition form factor with virtuality of one of photon. It is based on Sudakov suppression of quark-photon vertex. Some applications to scattering and annihilation channels are considered including the relevant experiments with lepton-proton scattering.
ISSN:2331-8422
DOI:10.48550/arxiv.0912.3668