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Mini-jet Total Cross-sections and Overlap Functions through Bloch-Nordsieck Summation

Corsetti, A and Grau, A and Godbole, RM and Pancheri, G and Srivastava, YN (1996) Mini-jet Total Cross-sections and Overlap Functions through Bloch-Nordsieck Summation. [Preprint]


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Predictions for total inelastic cross-sections for photon induced processes are discussed in the context of the QCD-inspired minijet model. Large theoretical uncertainties exist, some of them related to the parton distributions of hadrons in impact parameter space. A model for such distribution is presented, based on soft gluon summation. This model incorporates (the salient features of distributions obtained from) the intrinsic transverse momentum behaviour of hadrons. Under the assumption that the intrinsic behaviour is dominated by soft gluon emission stimulated by the scattering process, the b-spectrum becomes softer and softer as the scattering energy increases. In minijet models for the inclusive cross sections, this will counter the increase from $\sigma_{jet}$ .

Item Type: Preprint
Department/Centre: Division of Physical & Mathematical Sciences > Centre for Theoretical Studies (Ceased to exist at the end of 2003)
Date Deposited: 25 Aug 2008
Last Modified: 19 Sep 2010 04:13
URI: http://eprints.iisc.ac.in/id/eprint/897

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