Study of the multiplicity of hadrons on nuclei
L. Grigoryan
TL;DR
This paper uses an improved two-scale model with symmetric Lund distribution to analyze hadron multiplicity ratios in semi-inclusive deep-inelastic scattering on nuclei, achieving good agreement with HERMES data.
Contribution
It introduces an enhanced two-scale model with symmetric Lund distribution for fitting SIDIS nuclear data, improving upon previous models.
Findings
Two-parameter fit matches experimental data well.
The model provides insights into hadron production mechanisms.
Comparison with previous fits shows improvements.
Abstract
The improved two-scale model with symmetric Lund distribution function is used to perform the fit to the semi-inclusive deep-inelastic scattering (SIDIS) data on nuclear targets of HERMES experiment at DESY. The ratio of hadron multiplicity on nuclear target to the deuterium one is chosen as observable, as usually. Some peculiarities of the fit are discussed. The two-parameter's fit gives satisfactory agreement with the data. The results of the present and previous fits are compared.
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Taxonomy
TopicsHigh-Energy Particle Collisions Research · Nuclear physics research studies · Particle physics theoretical and experimental studies