Bloch-Nordsieck summation and partonic distributions in impact parameter space - INSPIRE

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Bloch-Nordsieck summation and partonic distributions in impact parameter space

A. Corsetti
(
- INFN, Rome and
- Rome U.
)
,
A. Grau
(
- Granada U., Theor. Phys. Astrophys.
)
,
G. Pancheri
(
- Frascati
)
,
Y.N. Srivastava
(
- Perugia U. and
- INFN, Perugia
)

Feb, 1996

10 pages

Published in:

Phys.Lett.B 382 (1996) 282-288

e-Print:

hep-ph/9605314 [hep-ph]

DOI:

10.1016/0370-2693(96)00566-7

Report number:

UG-FT-59-96,
LNF-96-007-P

View in:

ADS Abstract Service

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Abstract:

A model for the parton distributions of hadrons in impact parameter space has been constructed using 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}

.

Note:

10 pages, two postscript figures, latex, uses epsfig.sty, a4wide.sty, fancyheadings.sty full postscript file of the paper is available at http://hpteor.lnf.infn.it/pancheri/partonspace.ps Report-no: LNF-96/007(P) and UG-FT-59/96

hadron hadron: interaction
momentum spectrum: parton
impact parameter
gluon: radiation
transverse momentum: spectrum
perturbation theory: higher-order
strong interaction: coupling constant
potential: confinement
Regge poles
quark antiquark: annihilation

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