Reviews of topical problems

Quantum chromodynamics and multiplicity distributions

Lebedev Physical Institute, Russian Academy of Sciences, Leninsky prosp. 53, Moscow, 119991, Russian Federation

The quantum chromodynamics (QCD) approach to the problem of multiplicity distributions in high-energy particle collisions is described. The solutions of QCD equations for generating functions of the multiplicity distributions in gluon and quark jets are presented both for fixed and for running coupling constants. Characteristics have been found which are very sensitive to distributions shapes. The predictions are compared with experimental data. Evolution of the multiplicity distributions with decreasing phase space windows is considered and discussed in relation to the notions of intermittency and fractality. Some other QCD effects are briefly described.

Text can be downloaded in Russian. English translation is available on IOP Science.
PACS: 12.38.−t
DOI: 10.1070/PU1994v037n08ABEH000037
Citation: Dremin I M "Quantum chromodynamics and multiplicity distributions" Phys. Usp. 37 715–736 (1994)
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RT Journal
T1 Quantum chromodynamics and multiplicity distributions
A1 Dremin,I.M.
PB Physics-Uspekhi
PY 1994
FD 10 Aug, 1994
JF Physics-Uspekhi
JO Phys. Usp.
VO 37
IS 8
SP 715-736
DO 10.1070/PU1994v037n08ABEH000037

Оригинал: Дремин И М «Квантовая хромодинамика и распределения частиц по множественности.» УФН 164 785–809 (1994); DOI: 10.3367/UFNr.0164.199408a.0785

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