Conformal Symmetry and Pion Form Factor: Space- and Time-like Region - High Energy Physics - PhenomenologyReportar como inadecuado




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Abstract: We extend a recent analysis of the pion electromagnetic form factorconstrained by the conformal symmetry to explore the time-like region. We showexplicitly that the time-like form factor obtained by the analytic continuationof the space-like form factor correctly satisfies the dispersion relation. Ourresults indicate that the quark spin and dynamical mass effects are crucial toyield the realistic features of the vector meson dominance phenomena.



Autor: Ho-Meoyng Choi, Chueng-Ryong Ji

Fuente: https://arxiv.org/







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