A study of the nuclear medium influence on transverse momentum of hadrons produced in deep inelastic neutrino scattering

Details A study of the nuclear medium influence on transverse momentum of hadrons produced in deep inelastic neutrino scattering A study of the nuclear medium influence on transverse momentum of hadrons produced in deep inelastic neutrino scattering

2003-10-06

arxiv.org/abs/hep-ex/0310009v1

Phys.Atom.Nucl. 68 (2005) 1160-1170; Yad.Fiz. 68 (2005) 1209-1219

Physics

High Energy Physics

High Energy Physics - Experiment

23 pages, 7 figures

Scientific paper

The influence of nuclear effects on the transverse momentum $(p_T)$ distributions of neutrinoproduced hadrons is investigated using the data obtained with SKAT propane-freon bubble chamber irradiated in the neutrino beam (with $E_{\nu}$ = 3-30 GeV) at Serpukhov accelerator. Dependences of $$ on the kinematical variables of inclusive deep-inelastic scattering and of the produced hadrons are measured. It has been observed, that the nuclear effects cause an enhancement of $$ of hadrons (more pronounced for the positively charged ones) produced in the target fragmentation region at low invariant mass of the hadronic system (2 $< W <$ 4 GeV) or at low energies transferred to the current quark (2 $< \nu < 9$ GeV). At higher $W$ or $\nu$, no influence of nuclear effects on $$ is observed. Measurement results are compared with predictions of a simple model, incorporating secondary intranuclear interactions of hadrons (with a formation length extracted from the Lund fragmentation model), which qualitatively reproduces the main features of the data.

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