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Prog. Theor. Phys. Vol. 63 No. 3 (1980) pp. 943-955

[ Full Text PDF : FREE ACCESS (956K) ]

On the Cancellation of the Glueball Pomeron Singularity

Masayuki Uehara

Department of Physics, Saga University, Saga 840

(Received November 19, 1979)

Abstract:

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 clusters 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.


URL : http://ptp.ipap.jp/link?PTP/63/943/
DOI : 10.1143/PTP.63.943

[ Full Text PDF : FREE ACCESS (956K) ] Citation:

References:

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