# LHCb Theses

2020-11-25
15:18
 Search for new decays of beauty particles at the LHCb experimentПоискновыхраспадовпрелестныхчастицвэкспериментеLHCb / 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.

Full text
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.

Full text
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.

Full text
2020-11-03
16:24
 A new method to measure the time-integrated $CP$ asymmetry in singly-Cabibbo suppressed $D^0$ $\rightarrow$ $K^+K^-$ and $D$$^{0} \rightarrow$$\pi^+\pi^-$ decays at LHCb. / Kleijne, Nico A new method to measure time integrated ${C\!P}$ asymmetry of $D^0$ singly Cabibbo-suppressed decays to the ${C\!P}$-even final states $K^+K^-$ and $\pi^+\pi^-$ is developed [...] CERN-THESIS-2020-163 -

Full text
2020-10-17
09:32
 Precision calculations for Higgs physics in the standard model and beyond / Klappert, Jonas At least since the discovery of the Higgs boson at the Large Hadron Collider at CERN, the Higgs sector of the Standard Model of particle physics has become one of the central research areas of high energy physics [...] 2020. - 149 p.

10.18154/RWTH-2020-05782
Fulltext
2020-10-01
16:45
 Search for flavoured leptonic decays of long-lived particles in the LHCb detector / Marinangeli, Matthieu New massive long-lived particles (LLP) are predicted by multiple beyond the Standard Model theories [...] CERN-THESIS-2020-130 - 167 p.

Full text
2020-10-01
12:20
 Amplitude analysis for the measurement of the photon polarisation in $B \rightarrow K \pi \pi \gamma$ decays / Bellee, Violaine This work proposes a method to measure the photon polarisation in $B^+ \rightarrow K^+ \pi^- \pi^+ \gamma$ decays and prepares the necessary elements for this measurement using the data sets collected by the LHCb experiment at CERN in $2011$, $2012$, $2016$ and $2017$ [...] CERN-THESIS-2020-129 - 160 p.

Full text
2020-09-27
13:36
 Measurement of the $CP$ violating phase $\phi_{s}$ using $B^{0}_{s} \rightarrow J/\psi K^{+}K^{-}$ decays at the LHCb Experiment / Zonneveld, Jennifer Brigitta The LHCb experiment at the Large Hadron Collider (LHC) at CERN is designed to search for indirect evidence of physics beyond the Standard Model in $CP$ violation and rare decays of beauty and charm hadrons [...] CERN-THESIS-2020-125 -

Full text
2020-09-23
14:00
 Angular Analysis of the $B^{0} \rightarrow K^{*0}\mu^{+}\mu^{-}$ decay at the LHCb experiment / Kress, Felix Johannes An angular analysis of the $B^{0}\rightarrow K^{*0}(\to K^{+}\pi^{-})\mu^{+}\mu^{-}$ decay is presented in this thesis [...] CERN-THESIS-2020-119 - 231 p.

Full text
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 - 212 p.

Full text