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LHCb Theses

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2020-02-19
06:01
Determining the weak couplings |V$_{ub}$|/|V$_{cb}$| using semileptonic decays / Smith, Iwan Thomas
This thesis will present the first observation of the decay $B$$_{s}^{0}$ → $K$$^{-}$μ$^{+}$ν$_{μ}$ and the determination of |V$_{ub}$|/|V$_{cb}$| [...]
CERN-THESIS-2019-299 - 2019. - 179 p.

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2020-02-13
10:11
LHCb Vertex Locator Upgrade Development and Rare b-quark Decays in LHCb / Franco Lima, Vinicius
This work describes contributions and results obtained within the scope of the LHCb collaboration [...]
CERN-THESIS-2019-288 - 223 p.

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2020-01-31
13:17
Design and simulation of a very high bandwidth data processor for the LHCb VELO Upgrade detector / Otero Ugobono, Sofia
After the LHCb experiment is upgraded, the detector will run at a luminosity of $2 \times 10^{33}\text{ cm}^{-2}\text{ s}^{-1}$ and a readout of 40 MHz [...]
CERN-THESIS-2015-479 - 44 p.

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2020-01-31
13:03
Search for the decay $B_s^0 \rightarrow \phi \overline{K}^{*0}$ / Otero Ugobono, Sofia
The purpose of this study is analysing the decay channel $B_s^0 \rightarrow \phi \overline{K}^{*0}$ using data samples collected by the LHCb at CERN during the 2011 and 2012 runs [...]
CERN-THESIS-2014-471 - 35 p.

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2020-01-31
11:38
High-precision measurements of charge asymmetries at LHCb / Dufour, Laurent
To explain the imbalance between matter and antimatter, an additional source of $C\!P$ symmetry violation is needed in addition to the Standard Model [...]
CERN-THESIS-2019-281 - 201 p.

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2020-01-17
15:27
Amplitude analysis of $\Lambda_b^0 \rightarrow \Lambda_c^+ \bar{D}^0 K^-$ decays and pentaquark searches in the $\Lambda_c^+ \bar{D}^0$ system at the LHCb experiment / Piucci, Alessio
This thesis reports the amplitude analysis of $\Lambda_b^0 \rightarrow \Lambda_c^+ \bar{D}^0 K^-$ decays using data collected by the LHCb experiment from proton-proton collisions, corresponding to an integrated luminosity of 9.1 $\text{fb}^{-1}$ [...]
CERN-THESIS-2019-267 - 173 p.

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2020-01-17
12:32
Alternative approaches in the event reconstruction of LHCb / Hasse, Christoph
Starting in 2021, the LHCb experiment will switch to a fully software-based trigger system [...]
CERN-THESIS-2019-266 - 114 p.

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2019-12-18
09:32
Measurement of the Relative Branching Fractions of Charmless Three-Body $ B^{+}$ Decays at LHCb / Costa Sobral, Cayo Mar
This thesis documents a measurement of the relative branching fractions of the charmless three-body decays $B^+ \to K^+ K^+ K^-$, $B^+ \to K^+ \pi^+ K^-$, $B^+ \to K^+ \pi^+ \pi^-$, and $B^+ \to \pi^+ \pi^+ \pi^-$, performed using the dataset collected by the LHCb experiment in the years 2011 and 20 [...]
CERN-THESIS-2019-246 - 119 p.

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2019-12-05
17:23
LHCb Upstream Tracker box: Thermal studies and conceptual design / Martensson, Oskar
The LHC (Large Hadron Collider) will have a long shut down in the years of 2019 and 2020, referred to as LS2 [...]
CERN-THESIS-2015-478 - http://www.diva-portal.org/smash/record.jsf?pid=diva2%3A901679&dswid=-3934 : DiVa, 2016. - 106 p.

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2019-11-22
17:51
Probing the Standard Model flavor structure with hadronic beauty and charm decays / D'Argent, Philippe
This dissertation investigates hadronic multi-body decays of beauty and charm mesons providing insights into both the CKM sector of the Standard Model and strong interaction dynamics at the hadronic energy scale [...]
CERN-THESIS-2019-216 - 198 p.

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