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LHCb Theses

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2020-09-13
11:44
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 - 194 p.

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2020-08-27
11:54
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 -

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2020-08-27
11:37
Search for $K_\mathrm{S}^0 \rightarrow \mu^+\mu^-$ and trigger developments at LHCb / Ramos Pernas, Miguel
The SM is, up to now, a robust model that describes with high accuracy the interactions between elementary particles [...]
CERN-THESIS-2020-101 - 142 p.

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2020-08-03
15:56
A 2D FPGA-based clustering algorithm for the LHCb silicon pixel detector running at 30 MHz / Giambastiani, Luca
Starting from the next LHC run, the upgraded LHCb data acquisition system will read and process events at the full LHC collision rate (averaging 30 MHz) by means of a large CPU farm [...]
CERN-THESIS-2020-086 - 113 p.

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2020-07-29
13:49
Branching fraction measurement of $\Lambda_{b}^{0} \rightarrow J/\psi \Lambda$ / Dedu, Vlad-George
In this thesis, the first measurement of the branching fraction $\mathcal{B}(\Lambda_{b}^{0}\rightarrow J/\psi\Lambda)$ at the LHC is presented [...]
CERN-THESIS-2020-082 - 48 p.

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2020-07-24
14:11
Test of Lepton Flavour Universality using Bs semileptonic decays / Scarabotto, Alessandro
The Large Hadron Collider beauty experiment (LHCb) focuses its studies on measurements of the decay properties of heavy-flavour hadrons, i.e [...]
CERN-THESIS-2020-076 - 79 p.

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2020-07-13
16:53
Search for new intermediate resonances in a three-body B-meson decays with charmonium in the final state at the LHCb experiment / Boiarkina, Olga
This research aims to study $B^\pm\rightarrow J/\psi\eta (\eta\rightarrow \gamma\gamma) K^{\pm}$ decay and investigate ${J/\psi\eta}$ invariant mass spectrum [...]
CERN-THESIS-2020-063 - 45 p.

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2020-07-10
12:28
Observation of new $\Xi_c^0$ states decaying to $\Lambda_c^+K^-$, and development of the TORCH time-of-flight detector. / Gabriel, Emmy Pauline Maria
Using a data sample of proton-proton collisions at center-of-mass energy of 13 TeV corresponding to an integrated luminosity of 5.6 fb$^{-1}$ collected by the LHCb experiment, the $\Lambda_c^+K^-$ mass spectrum is studied [...]
CERN-THESIS-2020-061 - 170 p.

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2020-07-10
10:26
Pursuing forbidden beauty - Search for the lepton-flavour violating decays $B^0\to e^{\pm} \mu^{\mp}$ and $B^0_s\to e^{\pm} \mu^{\mp}$ and study of electron-reconstruction performance at LHCb / Van Veghel, Maarten
This dissertation covers the search for the in the Standard Model forbidden (lepton-flavour violating) decays of neutral beauty mesons to an electron and muon with the data collected in 2011 and 2012 by the LHCb detector operating at the LHC [...]
CERN-THESIS-2020-060 - 186 p.

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2020-07-08
14:31
Study of the $B^{\pm}\to J/\psi\eta K^{\pm}$ at the LHCb experiment / Boiarkina, Olga
The corresponded study was conducted by Belle Collaboration [...]
CERN-THESIS-2018-474 - 26 p.

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