Evaluation of adjoint representation Wilson line 4-point correlators in the MV model

Työssä esitellään Värilasikondensaatiksi kutsuttu QCD:n efektiivinen teoria. Se kuvaa suurienergisen hadronin tai ytimen pienen liikemääräfraktion (x) gluoneita saturaatioalueessa. Pienen x:n gluonien suuren tiheyden vuoksi niitä voidaan kuvailla klassisella värikentällä, jonka lähteenä toimivat suu...

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Main Author: Demirci, Sami
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: 2018
Subjects:
Online Access: https://jyx.jyu.fi/handle/123456789/59417
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author Demirci, Sami
author2 Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics Jyväskylän yliopisto University of Jyväskylä
author_facet Demirci, Sami Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics Jyväskylän yliopisto University of Jyväskylä Demirci, Sami Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Fysiikan laitos Department of Physics Jyväskylän yliopisto University of Jyväskylä
author_sort Demirci, Sami
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description Työssä esitellään Värilasikondensaatiksi kutsuttu QCD:n efektiivinen teoria. Se kuvaa suurienergisen hadronin tai ytimen pienen liikemääräfraktion (x) gluoneita saturaatioalueessa. Pienen x:n gluonien suuren tiheyden vuoksi niitä voidaan kuvailla klassisella värikentällä, jonka lähteenä toimivat suuren x:n partonit. Työssä selitetään kuinka partonien lukuisat siroamiset värikentästä voidaan summata käyttäen Wilsonin viivoja. Työn päätavoite on johtaa analyyttinen lauseke adjungoidun esityksen Wilsonin viivojen 4-pistekorrelaattoreille. Näitä korrelaattoreita ilmaantuu, kun lasketaan sironta-amplitudeja prosesseille, joissa kaksi gluonia etenee yhdessä värikentän lävitse. Lasku tehdään olettaen Gaussinen jakauma värilähteille, joka perusteltiin MV mallissa. The Color Glass Condensate, a QCD effective theory, is presented. It describes the small momentum fraction (x) gluons in a high energy hadron or nucleus, in the saturation regime. Due to the high density of small-x gluons, they can be modelled as a classical color field with large-x partons acting as sources for this field. It is explained how the multiple scatterings of partons off of a color field can be summed using Wilson lines. The main point of this work is to derive an analytical expression for the adjoint representation Wilson line 4-point correlators. These correlators arise when computing the scattering amplitudes for processes which involve two gluons propagating through the color field together. The computation is done by assuming the Gaussian distribution of color sources, which was argued in the MV model.
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spellingShingle Demirci, Sami Evaluation of adjoint representation Wilson line 4-point correlators in the MV model värilasikondensaatti gluonisaturaatio Wilsonin viiva adjungoitu esitys MV malli particle physics color glass condensate gluon saturation Wilson line adjoint representation MV model Teoreettinen fysiikka Theoretical Physics 4024 hiukkasfysiikka
title Evaluation of adjoint representation Wilson line 4-point correlators in the MV model
title_full Evaluation of adjoint representation Wilson line 4-point correlators in the MV model
title_fullStr Evaluation of adjoint representation Wilson line 4-point correlators in the MV model Evaluation of adjoint representation Wilson line 4-point correlators in the MV model
title_full_unstemmed Evaluation of adjoint representation Wilson line 4-point correlators in the MV model Evaluation of adjoint representation Wilson line 4-point correlators in the MV model
title_short Evaluation of adjoint representation Wilson line 4-point correlators in the MV model
title_sort evaluation of adjoint representation wilson line 4 point correlators in the mv model
title_txtP Evaluation of adjoint representation Wilson line 4-point correlators in the MV model
topic värilasikondensaatti gluonisaturaatio Wilsonin viiva adjungoitu esitys MV malli particle physics color glass condensate gluon saturation Wilson line adjoint representation MV model Teoreettinen fysiikka Theoretical Physics 4024 hiukkasfysiikka
topic_facet 4024 MV malli MV model Teoreettinen fysiikka Theoretical Physics Wilson line Wilsonin viiva adjoint representation adjungoitu esitys color glass condensate gluon saturation gluonisaturaatio hiukkasfysiikka particle physics värilasikondensaatti
url https://jyx.jyu.fi/handle/123456789/59417 http://www.urn.fi/URN:NBN:fi:jyu-201809034004
work_keys_str_mv AT demircisami evaluationofadjointrepresentationwilsonline4pointcorrelatorsinthemvmodel