Abstract

We consider scattering processes involving N gluonic massless states of open superstrings with certain Regge slope α′. At the semi-classical level, the string world-sheet sweeps a disk and N gluons are created or annihilated at the boundary. We present exact expressions for the corresponding amplitudes, valid to all orders in α′, for the so-called maximally helicity violating configurations, with N=4, 5 and N=6. We also obtain the leading O(α′²) string corrections to the zero-slope N-gluon Yang-Mills amplitudes.

Notes

Originally posted at http://arxiv.org/abs/hep-th/0607184v3. Preprint of an article published in Physical Review Letters, v.97 no.21, 2006.

Keywords

gluons, high energy physics theory

Subject Categories

Superstring theories, Gluons, Particles (Nuclear physics), Scattering (Physics)

Disciplines

Physics

Publication Date

2006

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