CERN Accelerating science

LHCb Theses

Machine Learning for particle identification in the LHCb detector / Kazeev, Nikita
LHCb experiment is a specialised b-physics experiment at the Large Hadron Collider at CERN [...]
CERN-THESIS-2020-188 - 190 p.

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A novel method for searching for $C\!P$ violation in the $D^0 \to K^0_s K^{\pm}\pi^{\mp}$ decays with LHCb Run 2 data / Biolchini, Alice
This thesis presents the most recent studies of the D*-tagged $D^0 \to K_S^0 K^\pm \pi^\mp$ decay channels, using the LHCb data sample collected during the LHC Run~2 [...]
CERN-THESIS-2020-172 - 131 p.

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A new method to measure the time-integrated $CP$ asymmetry in singly-Cabibbo suppressed $D^0$ $\rightarrow$ $K^+K^-$ and $D$$^{0}$ $\rightarrow$$\pi^+\pi^-$ decays at LHCb. / Kleijne, Nico
A new method to measure time integrated ${C\!P}$ asymmetry of $D^0$ singly Cabibbo-suppressed decays to the ${C\!P}$-even final states $K^+K^-$ and $\pi^+\pi^-$ is developed [...]
CERN-THESIS-2020-163 -

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Precision calculations for Higgs physics in the standard model and beyond / Klappert, Jonas
At least since the discovery of the Higgs boson at the Large Hadron Collider at CERN, the Higgs sector of the Standard Model of particle physics has become one of the central research areas of high energy physics [...]
2020. - 149 p.

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Search for flavoured leptonic decays of long-lived particles in the LHCb detector / Marinangeli, Matthieu
New massive long-lived particles (LLP) are predicted by multiple beyond the Standard Model theories [...]
CERN-THESIS-2020-130 - 167 p.

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Amplitude analysis for the measurement of the photon polarisation in $B \rightarrow K \pi \pi \gamma$ decays / Bellee, Violaine
This work proposes a method to measure the photon polarisation in $B^+ \rightarrow K^+ \pi^- \pi^+ \gamma$ decays and prepares the necessary elements for this measurement using the data sets collected by the LHCb experiment at CERN in $2011$, $2012$, $2016$ and $2017$ [...]
CERN-THESIS-2020-129 - 160 p.

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Measurement of the $CP$ violating phase $\phi_{s}$ using $B^{0}_{s} \rightarrow J/\psi K^{+}K^{-}$ decays at the LHCb Experiment / Zonneveld, Jennifer Brigitta
The LHCb experiment at the Large Hadron Collider (LHC) at CERN is designed to search for indirect evidence of physics beyond the Standard Model in $CP$ violation and rare decays of beauty and charm hadrons [...]
CERN-THESIS-2020-125 -

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Angular Analysis of the $B^{0} \rightarrow K^{*0}\mu^{+}\mu^{-}$ decay at the LHCb experiment / Kress, Felix Johannes
An angular analysis of the $B^{0}\rightarrow K^{*0}(\to K^{+}\pi^{-})\mu^{+}\mu^{-}$ decay is presented in this thesis [...]
CERN-THESIS-2020-119 - 231 p.

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Angular analysis of $B^0 \rightarrow K^{*0} e^+e^-$ decays with the LHCb detector and upgrade of the electronics of the calorimeters / Desse, Fabrice
Flavor changing neutral current processes of the type $b \rightarrow s \gamma$ are forbidden at tree level in the Standard Model (SM) [...]
CERN-THESIS-2020-112 - 212 p.

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The Measurement of the X(3872) production cross section via decays to $J/\psi\pi^+\pi^-$ in $pp$ collisions at $\sqrt{s} = 13$ TeV / Heijn, Bo
Production of the X(3872) is studied in pp collisions at $\sqrt{s} = 13$ TeV using decays to $J/\psi\pi^+\pi^-$ [...]
CERN-THESIS-2018-478 - 41 p.

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