From target to projectile and back again : Self-duality of high-energy scattering evolution in QCD Academic Article uri icon

abstract

  • We prove that the complete kernel for the high-energy evolution in QCD must be self-dual. The relevant duality transformation is formulated in precise mathematical terms and is shown to transform the charge density into the functional derivative with respect to the single-gluon scattering matrix. This transformation interchanges the high and the low density regimes. We demonstrate that the original Jalilian-Marian\char21{}Iancu\char21{}McLerran\char21{}Weigert\char21{}Leonidov\char21{}Kovner kernel, valid at large density, is indeed dual to the low density limit of the complete kernel derived recently in hep-ph/0501198.

publication date

  • January 1, 2005