High-energy Massive String Scatterings from Orientifold Planes

Details High-energy Massive String Scatterings from Orientifold Planes High-energy Massive String Scatterings from Orientifold Planes

2007-12-27

arxiv.org/abs/0712.4245v2

Nucl.Phys.B798:198-209,2008

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, 1 figure; Corrected typos, references added

Scientific paper

10.1016/j.nuclphysb.2008.01.028

We calculate bosonic massive closed string states at arbitrary mass levels scattered from Orientifold planes in the high-energy, fixed angle limit. For the case of O-particle scatterings, we obtain infinite linear relations among high-energy scattering amplitudes of different string states. We also confirm that there exist only closed string Regge poles in the form factor of the O-particle amplitudes as expected. For the case of O-domain-wall scatterings, we find that, like the well-known D-instanton scatterings, the amplitudes behave like field theory scatterings, namely UV power-law without infinite Regge poles. In addition, we discover that there exist only finite number of t-channel closed string poles in the form factor of O-domain-wall scatterings, and the masses of the poles are bounded by the masses of the external legs. We thus confirm that all massive closed string states do couple to the O-domain-wall.

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