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master's thesis
Svojstva novog algoritma za rekonstrukciju hadronskih mlazova nastalih raspadom ultrarelativističkih Higgsovih bozona
2020. urn:nbn:hr:166:977179
Gabričević, Josip
University of Split
University of Split, Faculty of science
Department of Physics

Cite this document

Gabričević, J. (2020). Svojstva novog algoritma za rekonstrukciju hadronskih mlazova nastalih raspadom ultrarelativističkih Higgsovih bozona (Master's thesis). Retrieved from https://urn.nsk.hr/urn:nbn:hr:166:977179

Gabričević, Josip. "Svojstva novog algoritma za rekonstrukciju hadronskih mlazova nastalih raspadom ultrarelativističkih Higgsovih bozona." Master's thesis, University of Split, University of Split, Faculty of science, 2020. https://urn.nsk.hr/urn:nbn:hr:166:977179

Gabričević, Josip. "Svojstva novog algoritma za rekonstrukciju hadronskih mlazova nastalih raspadom ultrarelativističkih Higgsovih bozona." Master's thesis, University of Split, University of Split, Faculty of science, 2020. https://urn.nsk.hr/urn:nbn:hr:166:977179

Gabričević, J. (2020). 'Svojstva novog algoritma za rekonstrukciju hadronskih mlazova nastalih raspadom ultrarelativističkih Higgsovih bozona', Master's thesis, University of Split, University of Split, Faculty of science, accessed 28 May 2022, https://urn.nsk.hr/urn:nbn:hr:166:977179

Gabričević J. Svojstva novog algoritma za rekonstrukciju hadronskih mlazova nastalih raspadom ultrarelativističkih Higgsovih bozona [Master's thesis]. Split: University of Split, University of Split, Faculty of science; 2020 [cited 2022 May 28] Available at: https://urn.nsk.hr/urn:nbn:hr:166:977179

J. Gabričević, "Svojstva novog algoritma za rekonstrukciju hadronskih mlazova nastalih raspadom ultrarelativističkih Higgsovih bozona", Master's thesis, University of Split, University of Split, Faculty of science, Split, 2020. Available at: https://urn.nsk.hr/urn:nbn:hr:166:977179

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Metadata
TitleSvojstva novog algoritma za rekonstrukciju hadronskih mlazova nastalih raspadom ultrarelativističkih Higgsovih bozona
Title (english)Properties of a new algorithm for the reconstruction of jets created by the decay of ultrarelativistic Higgs bosons
AuthorJosip Gabričević
MentorToni Šćulac (mentor)
Committee memberToni Šćulac (predsjednik povjerenstva)
Committee memberMarko Kovač (član povjerenstva)
Committee memberDamir Lelas (član povjerenstva)
GranterUniversity of Split
University of Split, Faculty of science
(Department of Physics)
Split
Defense date and country2020-09-15, Croatia
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Physics
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Computing
Abstract
Hadronski mlazovi nezaobilazna su pojava u eksperimentima koji uključuju elementarne čestice. Do njihova nastanka dovode kvarkovi i gluoni, pa stoga mlazovi sadržavaju brojne korisne informacije o tim česticama. Za analizu hadronskih mlazova koristimo algoritme za rekonstrukciju hadronskih mlazova jer je egzaktni pristup previše kompleksan. U ovom radu uspoređivana je izvedba dvaju već pouzdanih algoritama s dipol-\(k_t\) algoritmom koji je još u razvoju. Dipol-\(k_t\) algoritam uvodi dipolni modeli, invarijantan je na Lorentzove transformacije i nema slobodnog parametra. Promatran je proces raspada Higgsovog bozona, a algoritme smo uspoređivali za različite vrijednosti njegove transverzalne količine gibanja. Kasnije smo u priču uveli i pozadinu koju smo kombinirali sa signalnim procesom. Cijela ova analiza dala nam je dovoljno razloga da vjerujemo kako će upravo dipol-\(k_t\) algoritam postati dominantan u analizi hadronskih mlazova.
Abstract (english)
Jets are inevitable occurance in elementary particle experiments. They are formed by quarks and gluons, so jets contain a lot of useful informations about these particles. Jet reconstruction algorithms are being used to analyse jets because exact approach is very complex. In this thesis we compared efficiency of the two reliable algorithms to the efficiency of the dipole-\(k_t\) algorithm which is still in development. Just like the name suggests, the dipole-\(k_t\) algorithm exploits the dipole model, it is invariant to Lorentz transformations, and it doesn’t have a free parameter. Decay of the Higgs boson was studied and different algorithms were compared trying to reconstruct the Higgs boson with different transverse momentum. Finally, background processes were also introduced and combined with signal to better match a realistic problem. This analysis gave us enough reasons to believe that the dipole-\(k_t\) algorithm has a prospect in the jet reconstruction.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:166:977179
Study programmeTitle: Physics; specializations in: major in teaching, major in Astrophysics, major in Biophysics, major in Enviromental physics, major in Computational physics, major in Astrophysics and physics of elemental particles
Course: major in Computational physics
Study programme type: university
Study level: graduate
Academic / professional title: magistar/magistra fizike (magistar/magistra fizike)
Type of resourceText
File originBorn digital
Access conditionsOpen access
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Created on2021-02-01 10:39:09