High-energy unitarity of gravitation and strings

It is known that the behavior of a four-point string amplitude at large center-of-mass energy ..sqrt..s and fixed momentum transfer q = ..sqrt..-t is not perturbative. We study this region of phase space by summing multiple Reggeized graviton exchange in the eikonal approximation in D space-time dim...

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Veröffentlicht in:	Phys. Rev. D; (United States) 1988-01, Vol.37 (2), p.359-367
Hauptverfasser:	Muzinich, IJ, Soldate, M
Format:	Artikel
Sprache:	eng
Schlagworte:	645400 - High Energy Physics- Field Theory ANGULAR MOMENTUM COMPOSITE MODELS EIKONAL APPROXIMATION EXTENDED PARTICLE MODEL FIELD THEORIES GRAVITATION MATHEMATICAL MODELS MATHEMATICAL SPACE MOMENTUM TRANSFER PARTICLE MODELS PARTICLE PROPERTIES PERTURBATION THEORY PHASE SPACE PHYSICS OF ELEMENTARY PARTICLES AND FIELDS QUANTUM FIELD THEORY QUARK MODEL SPACE SPACE-TIME SPIN STRING MODELS ULTRAVIOLET DIVERGENCES UNITARITY
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