Inclusive and semi-inclusive deeply inelastic lepton-hadron scattering in next-to-leading order perturbative QCD

Työssä lasketaan rakennefunktiot ja vaikutusalat inklusiiviselle ja semi-inklusiiviselle syvälle epäelastiselle sironnalle Kvanttiväridynamiikan (QCD) häiriöteorian alinta seuraavassa kertaluvussa. Laskennassa käytetään dimensionaalista regularisointia ja renormalisaatio tehdään MS skeeman mukaan. L...

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Main Author: Harmoinen, Aleksi
Other Authors: Matemaattis-luonnontieteellinen tiedekunta, Faculty of Sciences, Fysiikan laitos, Department of Physics, Jyväskylän yliopisto, University of Jyväskylä
Format: Master's thesis
Language:eng
Published: 2023
Subjects:
Online Access: https://jyx.jyu.fi/handle/123456789/88423
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author Harmoinen, Aleksi
author2 Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics Jyväskylän yliopisto University of Jyväskylä
author_facet Harmoinen, Aleksi Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics Jyväskylän yliopisto University of Jyväskylä Harmoinen, Aleksi Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics Jyväskylän yliopisto University of Jyväskylä
author_sort Harmoinen, Aleksi
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description Työssä lasketaan rakennefunktiot ja vaikutusalat inklusiiviselle ja semi-inklusiiviselle syvälle epäelastiselle sironnalle Kvanttiväridynamiikan (QCD) häiriöteorian alinta seuraavassa kertaluvussa. Laskennassa käytetään dimensionaalista regularisointia ja renormalisaatio tehdään MS skeeman mukaan. Laskettuja vaikutusaloja ja muutamaa saatavilla olevaa kokeellisesti määritettyä partonitiheysfunktio- ja fragmentaatiofunktiokokoelmaa käytetään sitten elektroni-protoni sironnassa syntyvien varattujen pionien multiplisiteettien numeeriseen laskemiseen. Saatuja tuloksia verrataan HERMES-kokeen tuloksiin. Eri fragmentaatiofunktiokokoelmille lasketut multiplisiteetit vastaavat vaihtelevalla menestyksellä HERMES-kokeen tuloksia. The structure functions and cross sections of inclusive and semi-inclusive deeply inelastic lepton-hadron scattering are calculated at next-to leading order perturbative Quantum Chromodynamics (QCD). Calculations are done using dimensional regularization and renormalization in the MS scheme. These cross sections are then used along with several available experimentally determined parton density function sets and fragmentation function sets to numerically calculate multiplicities for charged pions produced in electron-proton scattering. These numerical multiplicities are compared with those measured at the HERMES experiment. The calculated multiplicities of the different fragmentation function sets agree with the HERMES results to a varying degree.
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spellingShingle Harmoinen, Aleksi Inclusive and semi-inclusive deeply inelastic lepton-hadron scattering in next-to-leading order perturbative QCD DIS SIDIS NLO pQCD PDF FF dimensional regularization Teoreettinen fysiikka Theoretical Physics 4024 sironta hiukkasfysiikka kvanttiväridynamiikka scattering (physics) particle physics quantum chromodynamics
title Inclusive and semi-inclusive deeply inelastic lepton-hadron scattering in next-to-leading order perturbative QCD
title_full Inclusive and semi-inclusive deeply inelastic lepton-hadron scattering in next-to-leading order perturbative QCD
title_fullStr Inclusive and semi-inclusive deeply inelastic lepton-hadron scattering in next-to-leading order perturbative QCD Inclusive and semi-inclusive deeply inelastic lepton-hadron scattering in next-to-leading order perturbative QCD
title_full_unstemmed Inclusive and semi-inclusive deeply inelastic lepton-hadron scattering in next-to-leading order perturbative QCD Inclusive and semi-inclusive deeply inelastic lepton-hadron scattering in next-to-leading order perturbative QCD
title_short Inclusive and semi-inclusive deeply inelastic lepton-hadron scattering in next-to-leading order perturbative QCD
title_sort inclusive and semi inclusive deeply inelastic lepton hadron scattering in next to leading order perturbative qcd
title_txtP Inclusive and semi-inclusive deeply inelastic lepton-hadron scattering in next-to-leading order perturbative QCD
topic DIS SIDIS NLO pQCD PDF FF dimensional regularization Teoreettinen fysiikka Theoretical Physics 4024 sironta hiukkasfysiikka kvanttiväridynamiikka scattering (physics) particle physics quantum chromodynamics
topic_facet 4024 DIS FF NLO pQCD PDF SIDIS Teoreettinen fysiikka Theoretical Physics dimensional regularization hiukkasfysiikka kvanttiväridynamiikka particle physics quantum chromodynamics scattering (physics) sironta
url https://jyx.jyu.fi/handle/123456789/88423 http://www.urn.fi/URN:NBN:fi:jyu-202307174545
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