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High Energy Physics - Phenomenology

arXiv:hep-ph/0510031 (hep-ph)
[Submitted on 3 Oct 2005 (v1), last revised 10 Oct 2005 (this version, v2)]

Title:Analytic Properties of Hard Exclusive Amplitudes

Authors:O.V. Teryaev
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Abstract: Analytic properties of hard exclusive processes described by Generalized Parton Distributions (GPD's) are considered. The analytic continuation of GPD is provided by Generalized Distribution Amplitudes (GDA). The GDA's for the production of two $\rho-$mesons may give an access to four-quark exotic states. The crucial role in the proof of analyticity is played by the Cavalieri conditions (polynomiality), resulting in the "holographic" property of GPD, when the full information about various hard processes is contained in the one dimensional sections ($x=\pm \xi$)of GPD. The applicability of analyticity for description of the double diffractive production of dileptons and Higgs bosons is discussed.
Comments: 4 pages, contribution to XIth International Conference on Elastic and Diffractive Scattering, Chateau de Blois, France, May 15 - 20, 2005
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:hep-ph/0510031
  (or arXiv:hep-ph/0510031v2 for this version)
  https://doi.org/10.48550/arXiv.hep-ph/0510031

Submission history

From: Oleg Teryaev [view email]
[v1] Mon, 3 Oct 2005 17:45:41 UTC (7 KB)
[v2] Mon, 10 Oct 2005 15:50:35 UTC (8 KB)
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