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LHCb Theses

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2024-11-27
15:47
The first double Dalitz plane analysis of $B^0 \to D K^+ \pi^-$ decays at LHCb / Wiederhold, Aidan Richard
This thesis presents the first double Dalitz plane analysis of $B^0 \to D K^+ \pi^-$ decays at LHCb, utilising data collected by the LHCb experiment in Runs 1 and 2 of the LHC, corresponding to an integrated luminosity of $9 \text{fb}^{-1}$ [...]
CERN-THESIS-2024-241 - 234.


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2024-11-25
16:57
Model-independent measurement of the CKM angle $\gamma$ in $B^\pm \to [h^+h^-\pi^+\pi^-] _Dh'^\pm (h = K , \pi)$ decays at LHCb and BESIII / Tat, Martin
This thesis describes two complementary analyses related to the four-body $D^0\to K^+K^-\pi^+\pi^-$ and $D^0\to\pi^+\pi^-\pi^+\pi^-$ decays, where the ultimate objective is to study $C\!P$ violation and measure the CKM angle $\gamma$ [...]
CERN-THESIS-2024-237 - 245.


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2024-11-22
10:46
Search for $CP$ violation in semileptonic $B$ meson decays at the LHCb experiment / Dedu, Vlad-George
The measurement of CP-violating effects in $B$ meson semileptonic decays serves as a null test of the Standard Model (SM): any $CP$ violation would unambiguously imply the presence of New Physics (NP) in these decays [...]
CERN-THESIS-2023-425 - 241.


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2024-10-30
15:04
Search for Lepton Flavour violating decay $B^0 \to K^{∗0}τ^\pm e^\mp$ with the LHCb experiment, contribution in Rare Decay trigger configuration and implementation of isolation tools for the Upgrade of the detector / Fulghesu, Tommaso
In the thesis, I present my two main contributions to the LHCb experiment.The first one concerns the development and configuration of the LHCb software trigger for the LHCb Upgrade [...]
CERN-THESIS-2024-216 - 2024 - 330.


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2024-10-28
09:00
Inside the Precision Era: Exploring New Physics through Quark Flavor Transitions at LHCb / Ruiz Fernandez, Ramon Angel
The Standard Model (SM) of Particle Physics is a quantum field theory that describes elementary particles and their interactions [...]
CERN-THESIS-2024-204 - 2024 - 188.


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2024-10-24
11:12
MIBAD - An FPGA-based readout system for the LHCb Beam Conditions Monitor / Bieker, Martin Stefan
Experiments at particle accelerators, such as the Large Hadron Collider (LHC), are at risk of damage due to the high-energy beams [...]
CERN-THESIS-2024-200 - 2024 - 131.


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2024-10-23
17:00
Lepton Flavour Universality and Analysis Frameworks / Couturier, Ben
This thesis investigates Lepton Flavour Universality (LFU), the property of the Standard model of particle physics that the electroweak force couples to all three generations of the charged leptons with the same strength [...]
CERN-THESIS-2024-199 - 2024 - 198.


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2024-10-18
12:22
Faraway algorithm to reconstruct and trigger vertices from Long-Living Particles at LHCb / Svintozelskyi, Volodymyr
The Standard Model and many new physics scenarios predict the existence of long-lived particles (LLPs), with lifetimes larger than 100 ps [...]
CERN-THESIS-2024-197 - 2024 - 46.


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2024-10-10
12:02
Study of rare beauty baryon decays with the LHCb detector / Nicolini, Janina
Flavour-changing neutral currents, such as $b\to s\ell^+\ell^-$ transitions, are forbidden at tree level in the Standard Model (SM), and can only occur at loop level [...]
CERN-THESIS-2024-178 - 2024 - 284.


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2024-10-01
17:10
Neutral kaon detection asymmetry with charm hadron decays at LHCb / Celestino, Irene
This thesis presents a high precision measurement of the asymmetry in detecting neutral kaons, $K^0$ and $\overline{K}^0$, produced in charm hadrons decays [...]
CERN-THESIS-2024-172 - 2024 - 148.


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