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LHCb Theses

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2024-07-11
10:12
Search for time-dependent $CP$ violation in $D^0 \rightarrow \pi^+ \pi^- \pi^0$ decays and precision luminosity measurements at LHCb. / Mchugh, Niall Thomas
The results of an absolute luminosity measurement at the LHCb experiment and a search for time-dependent $CP$ violation in $D^0$ meson decays are presented in this thesis [...]
CERN-THESIS-2024-091 - 254 p.


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2024-07-01
19:36
Real-time characterisation of the LHCb luminous region with fast FPGA-based reconstruction / Cordova, Giulio
For the ongoing LHC Run~3, LHCb has introduced an innovative trigger system that employs full software reconstruction of every collision event, marking the first time that an average \SI{30}{\mega\hertz} stream of LHC collision events is filtered based on offline-quality event reconstruction perform [...]
CERN-THESIS-2024-087 - 121 p.


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2024-06-28
12:33
An anomaly detection based trigger for long lived particles decays in the LHCb muon detector / Hartman, Luca
• Long-lived particles are ubiquitous in many Standard Model extensions, and could provide solutions to long-standing problems in modern physics. [...]
CERN-THESIS-2024-082 - 84 p.


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2024-06-26
10:02
Measurement of $D^0-\overline{D}^0$ mixing and search for CP violation with $D^0 \to K^+ \pi^-$ decays with LHCb Run 2 data / Ribatti, Roberto
This thesis presents the measurement of charm mixing and CP-violation parameters by comparing the decay-time dependent ratios of $D^0 \to K^+ \pi^-$ to $\overline{D}^0 \to K^+ \pi^-$ and $\overline{D}^0 \to K^- \pi^+$ to $D^0 \to K^- \pi^+$ decay rates in events where the charm meson flavour at the [...]
CERN-THESIS-2024-080 - 264 p.


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2024-06-24
16:26
Performance of the Muon Detector for the LHCb Upgrade II / Debernardis, Francesco
CERN-THESIS-2024-078 -


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2024-06-20
12:25
Study of $Z$ boson production in association with jets at LHCb and at a future Muon Collider / Giambastiani, Luca
The goal of this thesis is to study $Z+$jets events at LHCb, one of the main LHC experiments, and at a proposed future Muon Collider, with collision energy of 3 TeV [...]
CERN-THESIS-2024-076 - 176 p.


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2024-04-27
18:57
Electron track reconstruction studies and improvement for LHCb‘s real-time analysis trigger / Cetin, Furkan Selim
This thesis presents an improved neural-network-based Track-Matching algorithm to recover and reconstruct electron tracks more efficiently in LHCb’s real-time analysis trigger [...]
CERN-THESIS-2024-042 - 76 p.


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2024-04-23
10:39
Study of the $C\!P$ violating phase $\gamma$ at the LHCb experiment / Zhang, Shunan
Charge conjugation-Parity ($C\!P$) violation is one of the prerequisites of the matter-antimatter asymmetry in the universe [...]
CERN-THESIS-2023-387 -


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2024-04-19
01:07
zfit: scalable model fitting in Python using TensorFlow / Eschle, Jonas
Fitting a model to data is an essential part in most High Energy Physics analyses [...]
CERN-THESIS-2019-447 - 72 p.


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2024-04-19
01:00
Studies of $B^+ \rightarrow K^+ \pi^+ \pi^- e^+ e^-$ decays at LHCb / Eschle, Jonas
Studies of the rare decay $B^+ \rightarrow K^+ \pi^+ \pi^- e^+ e^-$ are performed using proton-proton collision data, corresponding to an integrated luminosity of about 1 fb$^{−1}$ , collected by the LHCb experiment at the centre-of-mass energy of 7 TeV [...]
CERN-THESIS-2017-500 - 38 p.


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