On the Cancellation of the Glueball Pomeron Singularity
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We study the glueball pomeron singularity, which corresponds to non-planar production of two heavy clusters overlapping in the rapidity space, from a perturbative approach of quantum chromodynamics in the infinite momentum frame. In non-planar amplitudes for the two heavy clusers the most infrared-singular part of Born diagrams with a single gluon exchange in the t- and u-channel cancels a box diagram without a gluon exchange, as in the two-dimensional model. There remain terms surviving the cancellation, which come from less singular part of Born terms with a transverse gluon exchange.
- 理論物理学刊行会の論文
- 1980-03-25
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