A study of the nuclear-medium influence on transverse momentum of hadrons produced in deep-inelastic neutrino scattering |
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| Authors: | N M Agababyan V V Ammosov M Atayan N Grigoryan H Gulkanyan A A Ivanilov Zh Karamyan V A Korotkov |
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| Institution: | (1) Institute for High Energy Physics, Protvino, Moscow oblast, 142284, Russia;(2) Joint Institute for Nuclear Research, Dubna, Moscow oblast, 141980, Russia;(3) Yerevan Physics Institute, Armenia |
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| Abstract: | The influence of nuclear effects on the transverse momentum (pT) of neutrino-produced hadrons is investigated using the data obtained with the SKAT propane-freon bubble chamber irradiated in the neutrino beam (with E v =3–30 GeV) at the Serpukhov accelerator. It has been observed that the nuclear effects cause an enhancement of 〈p T 2 〉 of hadrons produced in the target fragmentation region at low invariant mass of the hadronic system (2 < W < 4 GeV) and at low energies transferred to the hadrons (2 < ν < 9 GeV). At higher W and ν, no influence of nuclear effects on 〈p T 2 〉 is observed. Measurement results are compared with predictions of a simple model, incorporating secondary intranuclear interactions of hadrons, which qualitatively reproduces the main features of the data. |
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