CERN Accelerating science

CMS Theses

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2018-12-05
04:22
Effective field theory interpretation for measurements of top quark pair-production in association with a W or Z boson / Woodard, Anna Elizabeth
Using effective field theory, the effects of new particles or interactions can be captured in a model-independent way by supplementing the standard model Lagrangian with higher-dimensional operators [...]
CERN-THESIS-2018-275 - 211 p.

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2018-12-05
01:14
Measurement of b-quark fragmentation fraction ratios at the CMS experiment: a key ingredient for the $B^{0}_{s}\rightarrow \mu^{+}\mu^{-}$ rare decay analysis / Alves, Bruno
The current theoretical basis for Particle Physics, the Standard Model, although extremely successful in its predictions, faces a series of limitations [...]
CERN-THESIS-2018-274 - 100 p.

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2018-12-03
18:25
Search for supersymmetric partners of the top quark in models with compressed mass spectra with the CMS Detector / Navid K. Rad
Supersymmetry (SUSY) is one of the most promising theories for physics beyond the standard model as it explains many of the current problems with the standard model of particlephysics (SM) [...]
CMS-TS-2018-036 ; CERN-THESIS-2018-273. - 2018. - 151 p.

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2018-11-29
16:15
Search for High-Mass Top Quark Pair Resonances with the CMS Experiment / Mc Lean, Christine Angela
I present a search for new massive particles decaying to a pair of top quarks with the CMS detector at the LHC, using 36 fb$^{-1}$ of proton-proton collision data recorded in 2016, at a center-of-mass energy of 13 TeV [...]
CERN-THESIS-2018-270 - 166 p.

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2018-11-23
17:24
A search for supersymmetry with the CMS detector in the single-lepton final state using the sum of masses of large-radius jets / Heller, Ryan Edward
A search for supersymmetry with the CMS detector in the single-lepton final state using the sum of masses of large-radius jets by Ryan Edward Heller The discovery of the Higgs boson casts new urgency to an old question: the Higgs mass hierarchy problem [...]
CMS-TS-2018-035 ; CERN-THESIS-2018-263. - 2018. - 164 p.

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2018-11-23
17:01
QCD studies with processes involving a $J/\psi$ decaying into muons / Rabadan Trejo, Raul Iraq
This thesis reports on the measurement of the $\Lambda_b$ polarization and the parity-violating asymmetry parameter in the decay channel $\Lambda_b\to J/\psi\Lambda$ from pp collisions at $\sqrt{s}$ = 7 and 8 TeV, and on the exclusive $J/\psi$ photo-production in ultra peripheral proton-lead collis [...]
CERN-THESIS-2018-262 - 109 p.

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2018-11-22
13:04
Measurement of angular parameters from the decay $\mathrm{B}^0 \to \mathrm{K}^{*0} \mu^+ \mu^-$ in proton-proton collisions at $\sqrt{s}=8~\mathrm{TeV}$ / Boletti, Alessio
Angular distributions of the decay B0 → K∗0 µ+ µ− are studied using a sample of proton-proton collisions at s = 8 TeV collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 20.5 fb−1 [...]
CMS-TS-2018-034 ; CERN-THESIS-2018-260. - 2018. - 144 p.

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2018-11-22
13:02
Precise jet measurements and search for Supersymmetry particles / Niedziela, Marek Adam
Searches for physics beyond Standard Model (SM) are one of the main goals of the CMSexperiment at the Large Hadron Collider (LHC) [...]
CMS-TS-2018-033 ; CERN-THESIS-2018-258. - 2018. - 175 p.

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2018-11-22
13:00
Study of the differential Higgs boson production in the diphoton decay channel with CMS and characterisation and calibration of detector modules for the phase1 upgrade of the pixel detector / Tavolaro, Vittorio Raoul
The data collected by the CMS experiment at CERN in proton-proton collisions during 2016 are analyzed to characterize the Higgs boson in its decay channel to two photons [...]
CMS-TS-2018-031 ; CERN-THESIS-2018-259. - 2018. - 181 p.

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2018-11-22
00:34
Measurement of Lamba(b) polarization and angular parameters in Lambda(b) to Jpsi Lambda decays from pp collisions at sqrt(s) = 7 and 8 TeV / Reyes Almanza, Rogelio
The c and b quarks have masses significantly above of the $\Lambda_{\text{QCD}}$ QCD scale, and therefore their production and treatment should be perturbatively calculable [...]
CERN-THESIS-2018-257 BPH-15-002. - 152 p.

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