CERN Accelerating science

LHCb Theses

Beam-Gas Imaging at the LHCb Experiment / Coombs, George
This thesis presents a new absolute luminosity calibration measurement at the LHCb experiment for $pp$ collsions at $\sqrt{s} =$ 13 TeV measured via the beam-gas imaging (BGI) technique with data acquired in the 2016 luminosity calibration session [...]
CERN-THESIS-2021-058 - 202 p.

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Search for physics beyond the Standard Model in an angular analysis of the $B^{+}\to K^{\ast+}\mu^{+}\mu^{-}$ decay at LHCb / Gerick, David
In this thesis an angular analysis of the $B^{+}\to K^{\ast+}\mu^{+}\mu^{-}$ decay with the subsequent decays $K^{\ast+}\to K_{\mathrm{S}}^{0}\pi^{+}$ and $K_{\mathrm{S}}^{0}\to \pi^{+}\pi^{-}$ is presented [...]
CERN-THESIS-2021-046 heidok-298834. - 179 p.

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Search for pentaquark candidates in $B^0_{(s)}\to J/\psi p \bar{p}$ decays at LHCb / Spadaro Norella, Elisabetta
This thesis presents the analysis of the $B^0_{(s)}\to J/\psi p \bar{p}$ decays, which have been performed on the data collected by the LHCb experiment at CERN, during Run~1 and Run~2 [...]
CERN-THESIS-2021-040 - 199 p.

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A Selection Framework for LHCb’s Upgrade Trigger / Nolte, Niklas
The LHCb experiment at the Large Hadron Collider at CERN is planning a major detector upgrade for the next data taking period [...]
CERN-THESIS-2020-331 - 139 p.

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Searching for confirmation of charm CP violation in $K^0_S$ final states at LHCb / Tuci, Giulia
This thesis reports a measurement of the CP asymmetry in $D^0 \to K^0_S K^0_S$ decays, based on $pp$ data collected by LHCb at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.7 fb${^-1}$ [...]
CERN-THESIS-2020-325 - 253 p.

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Search for CP violation in the charmless decay $B^0 \to p \bar p K^+ \pi^-$ using triple product asymmetries at LHCb and feasibility studies of a SiPM-based readout system for the Upgrade II RICH detector / Bartolini, Matteo
The subject of CP symmetry and its violation is often referred to as one of the least understood in particle physics [...]
CERN-THESIS-2021-034 - 227 p.

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Radiation hardness of the upgraded LHCb muon detector electronics and prospects for a full angular analysis in multi-body rare charm decays / Brundu, Davide
In this dissertation the results of the studies on the new readout electronics for the muon system of the LHCb experiment, and the perspectives for carrying out a full angular analysis in the rare decays $D^{0}\to \pi^+ \pi^- \mu^+ \mu^-$ and $D^{0}\to K^+ K^- \mu^+ \mu^-$ will be described [...]
CERN-THESIS-2020-324 - 240 p.

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The LHCb GPU high level trigger and measurements of neutral pion and photon production with the LHCb detector / Boettcher, Thomas
In Run 3 of the LHC, the LHCb experiment will collect data without a hardware trigger [...]
CERN-THESIS-2021-029 - 199 p.

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An Angular Analysis of $B^+ \to K^+e^+e^-$ Decays at the LHCb Experiment / Maddrell-Mander, Samuel William
Recent anomalies in the $b\to s\ell\ell$ sector point towards possible Lepton Flavour Universality (LFU) violating effects coupling to (axial-)vector currents [...]
CERN-THESIS-2020-317 - 265 p.

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Searching for rare charm decays, performing alignment studies and improving the analysis ecosystem in HEP / Burr, Chris
A search for rare and forbidden decays of the form D+ -> h+(-) l+ l-(+) has been performed, where h is a charged pion or kaon and l is an electron or muon, using 1.5/fb of data that was collected by the LHCb detector during 2016 [...]
CERN-THESIS-2019-415 - 211 p.

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