High energy string-brane scattering for massive states

Details High energy string-brane scattering for massive states High energy string-brane scattering for massive states

2011-07-21

arxiv.org/abs/1107.4321v2

Nucl.Phys. B859 (2012) 299-320

Physics

High Energy Physics

High Energy Physics - Theory

28 pages, 2 figures

Scientific paper

10.1016/j.nuclphysb.2012.02.009

String-brane interactions provide an ideal framework to study the dynamics of the massive states of the string spectrum in a non-trivial background. We present here an analysis of tree-level amplitudes for processes in which an NS-NS string state from the leading Regge trajectory scatters from a D-brane into another state from the leading Regge trajectory, in general of a different mass, at high energies and small scattering angles. This is done by using world-sheet OPE methods and effective vertex operators. We find that this class of processes has a universal dependence on the energy of the projectile and that the tree-level amplitudes are in agreement with the eikonal operator form of the string S-matrix.

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