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LHCb Theses

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2021-01-18
11:10
Excerpts from the LHCb cookbook — RECEPTS for testing lepton universality and reconstructing primary vertices / Reiss, Florian
Lepton universality is an accidental symmetry of the Standard Model of particles physics, which expects that the charged leptons have the same characteristics with the exception of their masses [...]
CERN-THESIS-2020-261 - 235 p.

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2021-01-05
14:01
Complex Integrated Circuits in the Radiation Environment at the LHCb High Energy Physics Experiment and Extrapolation to the Case of Space-based Experiments / Placinta, Vlad-Mihai
The work presented in this thesis was done in the context of the Phase Ia upgrade program of the LHCb (Large Hadron Collider beauty) experiment from CERN [...]
CERN-THESIS-2020-249 - 228 p.

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2021-01-05
11:16
Test of Lepton Flavour Universality using the $B^0 \to D^{*-} \tau^+ \nu_\tau$ decays at LHCb / Gerstel, Dawid
This thesis presents the measurement of the $R$($D$$^{*}$) $\equiv$ $\frac{B(B^0 \to D^{*-} \tau^{+}\nu_\tau}{B(B^0 \to D^{*-} \mu^{+}\nu_\mu}$ ratio with 2 fb$^{-1}$ of $pp$ collisions collected at $\sqrt s=13 \text{TeV}$ by LHCb during 2015-2016 using 3-prong tau decays [...]
CERN-THESIS-2020-247 - 187 p.

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2021-01-04
10:07
Beautiful leptons - setting limits to New Physics with the LHCb experiment / Mombacher, Titus
In this thesis, searches for physics effects beyond the Standard Model are performed by studying purely leptonic and lepton-flavour violating $B$-meson decays with the LHCb experiment [...]
CERN-THESIS-2020-246 - 153 p.

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2020-12-09
09:37
Reconstruction of tracks in real time in the high luminosity environment at LHC / Piucci, Alessio
In modern experiments at high-energy hadron colliders, powerful real-time tracking systems are needed to reconstruct and quickly select potentially interesting events for higher level of processing, and finally permanent storage for subsequent analysis [...]
CERN-THESIS-2014-476 - 139 p.

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2020-12-03
15:58
Search for Rare $b$ to Open-Charm Two-Body Decays of Baryons at LHCb / Meinert, Nis
A search for the rare two-body decays $\Lambda_b\rightarrow D^0 \Lambda$ and $\Xi^0_b\rightarrow D^0 \Lambda$ is performed with proton-proton collision data, corresponding to an integrated luminosity of 6$fb^{-1}$, collected by the LHCb experiment at a center-of-mass energy of 13 TeV [...]
CERN-THESIS-2020-217 - 205 p.

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2020-12-03
11:32
Development of electronics for the VELO upgrade detector / Fernandez Prieto, Antonio
This thesis is intended to be a guide to understand the electronics of the silicon pixel detector (VELO) surrounding the interaction point of the LHCb Upgrade I experiment at CERN [...]
CERN-THESIS-2020-216 - 192 p.

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2020-11-25
15:18
Поиск новых распадов прелестных частиц в эксперименте LHCb / Pereima, Dmitrii
The searches for $\Lambda_b^0~\to~\chi_{c1}(3872)pK^-$ and $B^+\to\psi_2(3823)K^+$ decays are presented in this thesis [...]
CERN-THESIS-2020-204 - 119 p.

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2020-11-16
13:04
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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2020-11-06
12:23
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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