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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2005, Volume 81, Issue 7, Pages 391–394
(Mi jetpl1709)
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This article is cited in 2 scientific papers (total in 2 papers)
FIELDS, PARTICLES, AND NUCLEI
Soft and hard processes in QCD
I. M. Dremin P. N. Lebedev Physical Institute, Russian Academy of Sciences
Abstract:
QCD equations for the generating functions are applied to separate soft and hard jets in $e^+e^-$-processes of multiparticle production. The dependence of average multiplicities and higher moments of multiplicity distributions of particles created in a “newly born” soft subjets on the share of energy devoted to them is calculated in fixed coupling gluodynamics. This dependence is the same as for the total multiplicity up to a constant factor if soft jets are defined as those carrying out a fixed share of initial energy at all energies. The constant factor depends on this share in a non-trivial way. Other definitions are also proposed. The relation between these quantities for soft and hard processes is discussed.
Received: 28.02.2005
Citation:
I. M. Dremin, “Soft and hard processes in QCD”, Pis'ma v Zh. Èksper. Teoret. Fiz., 81:7 (2005), 391–394; JETP Letters, 81:7 (2005), 307–310
Linking options:
https://www.mathnet.ru/eng/jetpl1709 https://www.mathnet.ru/eng/jetpl/v81/i7/p391
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Abstract page: | 230 | Full-text PDF : | 53 | References: | 48 |
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