Proton elastic impact factors for two, three, and four gluons

Details Proton elastic impact factors for two, three, and four gluons Proton elastic impact factors for two, three, and four gluons

2008-08-15

arxiv.org/abs/0808.2215v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures. To be published in the Proceedings of the 16th International Workshop on Deep Inelastic Scattering, DIS200

Scientific paper

In this talk we report on recent calculation of high energy baryon scattering amplitudes in QCD. Elastic baryon impact factors for two, three and four gluons are presented and their energy evolution is described that incorporates unitarity corrections. We find that the baryon couples directly to the BFKL Pomeron, to the BKP odderon and to a new state, a three-gluon BKP Pomeron. The new state may decay into four gluons with a new 3 -> 4 transition vertex. This vertex defines the transition amplitude of the three-gluon BKP Pomeron state into two BFKL Pomerons.

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