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 [J.C. Lee, Y. Yang, Linear relations and their breakdown in high energy massive string scatterings in compact spaces, Nucl. Phys. B 784 (2007) 22].
- Publication:
-
Nuclear Physics B
- Pub Date:
- November 2008
- DOI:
- 10.1016/j.nuclphysb.2008.06.016
- arXiv:
- arXiv:0805.3168
- Bibcode:
- 2008NuPhB.804..250L
- Keywords:
-
- High Energy Physics - Theory
- E-Print:
- 16 pages, 1 table. v2:typos corrected,references added. v3,v4:Eq.(26) typos. Eq.(27) corrected