High energy string-brane scattering for massive states
Jul, 201127 pages
Published in:
- Nucl.Phys.B 859 (2012) 299-320
- Published: Jun 21, 2012
e-Print:
- 1107.4321 [hep-th]
Report number:
- QMUL-PH-11-10
View in:
Citations per year
Abstract: (Elsevier)
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. We then compare the result for these inelastic processes with that which one would obtain from the eikonal operator in a non-trivial test of its ability to describe transitions between different string mass levels. The two are found to be in agreement.Note:
- 28 pages, 2 figures
- energy: high
- string: spectrum
- operator: vertex
- string: scattering
- tree approximation
- Regge poles
- S-matrix
- D-brane
- eikonal
References(21)
Figures(2)