High-energy String Scatterings of Compactified Open String

Abstract

We calculate high-energy massive string scattering amplitudes of compactified open string. We derive infinite linear relations, or stringy symmetries, among soft high-energy string scattering amplitudes of different string states in the Gross kinematic regime (GR). In addition, we systematically analyze all hard power-law and soft exponential fall-off regimes of high-energy compactified open string scatterings by comparing the scatterings with their 26D noncompactified counterparts. In particular, we discover the existence of a power-law regime at fixed angle and an exponential fall-off regime at small angle for high-energy compactified open string scatterings. The linear relations break down as expected in all power-law regimes. The analysis can be extended to the high-energy scatterings of the compactified closed string, which corrects and extends the previous results in [28] .

16 pages, 1 table. v2:typos corrected,references added. v3,v4:Eq.(26) typos. Eq.(27) corrected

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• Notes on High Energy Limit of Bosonic Closed String Scattering Amplitudes
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Cited by in corpus (3)

• Review on High energy String Scattering Amplitudes and Symmetries of String Theory
• High-Energy Symmetry of Bosonic Open String Theory in the Light-like Linear Dilaton Background
• Vertex Operators and Scattering Amplitudes of the Bosonic Open String Theory in the Linear Dilaton Background