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ATLAS Theses

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2023-05-22
14:11
Pixel Detector Studies for the ATLAS ITk Upgrade for the HL-LHC / Mobius, Silke
The integrated luminosity of the Large Hadron Collider (LHC), which is proportional to the number of particles colliding and thus data being collected, is planned to be increased by a factor of 5-7.5 compared to the design luminosity of the LHC by the end of the 2020s [...]
CERN-THESIS-2022-355 II.Physik-UniGö-Diss-2022/03. - 191 p.

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2023-05-08
21:59
Measurements of the associated production of a top quark pair and a Z boson with the ATLAS detector / Mince, Laurynas
This thesis presents measurements of the inclusive and differential cross-sections of a top quark pair produced in association with a $Z$ boson with the ATLAS detector [...]
CERN-THESIS-2023-048 - 205 p.


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2023-05-03
16:44
Search for right-handed 𝑊 bosons and heavy neutrinos with the ATLAS experiment / Themistokleous, Neofytos
A search for heavy right-handed Majorana or Dirac neutrinos (𝑁𝑅) and heavy right-handed 𝑊 bosons (𝑊𝑅) participating in the Keung-Senjanović (KS) process has been performed in events with a pair of energetic electrons or muons and two energetic jets [...]
CERN-THESIS-2023-044 - 133 p.


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2023-05-03
03:37
Measurement of $J/\psi$ meson production in association with a $W^\pm$ boson in $pp$ data at 13 TeV collected by the ATLAS Experiment / Burton, Charles
This dissertation presents a measurement of the production cross-section of $J/\psi$ mesons in association with a $W^\pm$ boson in $\sqrt{s} = 13~\textrm{TeV}$ $pp$ collisions by the ATLAS experiment, using $139~\textrm{fb}^{-1}$ of integrated luminosity produced by the Large Hadron Collider at CERN [...]
CERN-THESIS-2022-351 - 157 p.


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2023-05-01
16:30
Event reconstruction of $t\bar{t}$ and $t\bar{t}H$ using the Kinematic Likelihood Fitter in final states with two same-sign electric charge leptons. / Saha, Shreya
One of the important tests for the validity of the Standard Model of particle physics is the measurement of the top quark Yukawa coupling, which can be directly measured in the production of the top-quark pair in association with a Higgs boson, $t\bar{t}H$ [...]
CERN-THESIS-2017-499 - 77 p.


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2023-05-01
16:24
Search for a new light particle produced in association with a top quark pair with the ATLAS Detector / Saha, Shreya
This thesis presents the first dedicated search for a new light pseudoscalar particle decaying into a pair of muons, and produced in association with a top quark pair [...]
CERN-THESIS-2022-349 - 163 p.


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2023-04-27
17:58
Search for Higgs boson pair production in the 𝑏𝑏𝜏𝜏 decay channel with the ATLAS experiment / Zhang, Bowen
In the Standard Model, the self-coupling of the Higgs boson is introduced by the electroweak symmetry breaking mechanism, the strength of which is related to the mass of Higgs boson and the coupling constant of weak interaction [...]
CERN-THESIS-2022-348 - 199 p.


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2023-04-24
20:27
Measurement of mass and width of the $W$-boson, and test of lepton universality in $W$-boson decays with the ATLAS detector / Konig, Philipp
The Standard Model of particle physics serves as the predominant theory of the microscopic world for many decades [...]
CERN-THESIS-2022-346 - 272 p.


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2023-04-23
14:47
Measurement of the Production Cross Section of $B^{+}$ Meson at CERN-ATLAS Experiment with $\sqrt{s}= 13$ TeV Data / Uysal, Zekeriya
The differential cross section of $B^{+}$ meson is presented as a function of transverse momentum and pseudorapidity [...]
CERN-THESIS-2023-038 - 113 p.


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2023-04-20
10:50
Search for the Heavy Ion Physics Signatures in Small Collision Systems with the ATLAS Detector at the LHC / Aizenberg, Iakov
Quark-Gluon Plasma is the state of matter in which the quarks and gluons are not bound into hadrons [...]
CERN-THESIS-2022-345 -


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