T. Cornelis
A5018937696- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Quantum Chromodynamics and Particle Interactions
- Particle Detector Development and Performance
- Dark Matter and Cosmic Phenomena
- Computational Physics and Python Applications
- Cosmology and Gravitation Theories
- Dialysis and Renal Disease Management
- Neutrino Physics Research
- Central Venous Catheters and Hemodialysis
- Medical Imaging Techniques and Applications
- Black Holes and Theoretical Physics
- Astrophysics and Cosmic Phenomena
- Muscle and Compartmental Disorders
- Health Systems, Economic Evaluations, Quality of Life
- Pharmacological Effects and Toxicity Studies
- Acute Kidney Injury Research
- Pregnancy and Medication Impact
- Pregnancy and preeclampsia studies
- Restless Legs Syndrome Research
- Acute Myocardial Infarction Research
- Chronic Kidney Disease and Diabetes
- Gamma-ray bursts and supernovae
- Electrolyte and hormonal disorders
- Birth, Development, and Health
Institute of High Energy Physics
2013-2023
Ghent University Hospital
2016-2023
A. Alikhanyan National Laboratory
2014-2023
UCLouvain
2013-2023
Diapriva
2023
University of Antwerp
2012-2022
Jessa Hospital
2016-2022
Amsterdam University Medical Centers
2021
Maastricht University
2011-2017
University of Basel
2017
Results are presented from searches for the standard model Higgs boson in proton-proton collisions at sqrt(s) = 7 and 8 TeV Compact Muon Solenoid experiment LHC, using data samples corresponding to integrated luminosities of up 5.1 inverse femtobarns 5.3 TeV. The search is performed five decay modes: gamma gamma, ZZ, WW, tau tau, b b-bar. An excess events observed above expected background, with a local significance 5.0 deviations, mass near 125 GeV, signalling production new particle. that...
This paper describes the CMS trigger system and its performance during Run 1 of LHC. The consists two levels designed to select events potential physics interest from a GHz (MHz) interaction rate proton-proton (heavy ion) collisions. first level is implemented in hardware, selects containing detector signals consistent with an electron, photon, muon, τ lepton, jet, or missing transverse energy. A programmable menu up 128 object-based algorithms used for subsequent processing. thresholds are...
Properties of the Higgs boson with mass near 125 $$\,\text {GeV}$$ are measured in proton-proton collisions CMS experiment at LHC. Comprehensive sets production and decay measurements combined. The channels include $$\gamma \gamma $$ , $$\mathrm{Z}\mathrm{Z}$$ $$\mathrm{W}\mathrm{W}$$ $$\tau \tau $$\mathrm{b} \mathrm{b} $$\mu \mu pairs. data samples were collected 2011 2012 correspond to integrated luminosities up 5.1 {fb}^\text {-1}$$ 7 {TeV}$$ 19.7 8 . From high-resolution channels, is...
Combined results are reported from searches for the standard model Higgs boson in proton-proton collisions at sqrt(s)=7 TeV five decay modes: gamma pair, b-quark tau lepton W and Z pair. The explored mass range is 110-600 GeV. analysed data correspond to an integrated luminosity of 4.6-4.8 inverse femtobarns. expected excluded absence 118-543 GeV 95% CL. observed exclude 127-600 CL, 129-525 99% An excess events above background low end making limits weaker than a signal. largest excess, with...
Results on two-particle angular correlations for charged particles emitted in pPb collisions at a nucleon–nucleon center-of-mass energy of 5.02 TeV are presented. The analysis uses two million collected with the CMS detector LHC. studied over broad range pseudorapidity, η, and full azimuth, ϕ, as function particle multiplicity transverse momentum, pT. In high-multiplicity events, long-range (2<|Δη|<4), near-side (Δϕ≈0) structure emerges Δη–Δϕ correlation functions. This is first observation...
A detailed description is reported of the analysis used by CMS Collaboration in search for standard model Higgs boson pp collisions at LHC, which led to observation a new boson. The data sample corresponds integrated luminosities up 5.1 inverse femtobarns sqrt(s) = 7 TeV, and 5.3 8 TeV. results five decay modes gamma gamma, ZZ, WW, tau tau, bb, show combined local significance 5 deviations near 125 GeV, are reviewed. fit invariant mass two high resolution channels, ZZ 4 ell, gives estimate...
Improved jet energy scale corrections, based on a data sample corresponding to an integrated luminosity of 19.7 inverse-femtobarns collected by the CMS experiment in proton-proton collisions at center-of-mass 8 TeV, are presented. The corrections as function pseudorapidity eta and transverse momentum pT extracted from simulated events combining several channels methods. They account successively for effects pileup, uniformity detector response, residual data-simulation differences. Further...
The properties of a Higgs boson candidate are measured in the $H\ensuremath{\rightarrow}ZZ\ensuremath{\rightarrow}4\ensuremath{\ell}$ decay channel, with $\ensuremath{\ell}=e$, $\ensuremath{\mu}$, using data from $pp$ collisions corresponding to an integrated luminosity $5.1\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ at center-of-mass energy $\sqrt{s}=7\text{ }\mathrm{TeV}$ and $19.7\text{ }{\mathrm{fb}}^{\ensuremath{-}\text{1}}$ $\sqrt{s}=8\text{ }\mathrm{TeV}$, recorded CMS detector...
The transverse momentum spectra of charged particles have been measured in pp and PbPb collisions at $\sqrt{s_{NN}}=2.76~\mathrm{TeV}$ by the CMS experiment LHC. In range p T=5–10 GeV/c, particle yield most central is suppressed up to a factor 7 compared scaled number incoherent nucleon–nucleon collisions. At higher T, this suppression significantly reduced, approaching roughly 2 for with T T=40–100 GeV/c.
Measurements of two- and four-particle angular correlations for charged particles emitted in pPb collisions are presented over a wide range pseudorapidity full azimuth. The data, corresponding to an integrated luminosity approximately 31 inverse nanobarns, were collected during the 2013 LHC run at nucleon-nucleon center-of-mass energy 5.02 TeV by CMS experiment. results compared 2.76 semi-peripheral PbPb collision 2011 run, covering similar particle multiplicities. observed characterized...
Observation of the diphoton decay mode recently discovered Higgs boson and measurement some its properties are reported. The analysis uses entire dataset collected by CMS experiment in proton-proton collisions during 2011 2012 LHC running periods. data samples correspond to integrated luminosities 5.1[Formula: see text]at [Formula: text] 19.7[Formula: 8[Formula: . A clear signal is observed channel at a mass close 125[Formula: with local significance text], where expected for standard model...
Results are presented from a search for particle dark matter (DM), extra dimensions, and unparticles using events containing jet an imbalance in transverse momentum. The data were collected by the CMS detector proton-proton collisions at LHC correspond to integrated luminosity of 19.7 inverse femtobarns centre-of-mass energy 8 TeV. number observed is found be consistent with standard model prediction. Limits placed on DM-nucleon scattering cross section as function DM mass spin-dependent...
Measurements of two- and multi-particle angular correlations in pp collisions at sqrt(s) = 5, 7, 13 TeV are presented as a function charged-particle multiplicity. The data, corresponding to integrated luminosities 1.0 inverse picobarn (5 TeV), 6.2 picobarns (7 0.7 (13 were collected using the CMS detector LHC. second-order (v[2]) third-order (v[3]) azimuthal anisotropy harmonics unidentified charged particles, well v[2] K0 short Lambda/anti-Lambda extracted from long-range two-particle...
A study is presented of the mass and spin-parity new boson recently observed at LHC a near 125 GeV. An integrated luminosity 17.3 fb(-1), collected by CMS experiment in proton-proton collisions center-of-mass energies 7 8 TeV, used. The measured ZZ channel, where both Z bosons decay to e or μ pairs, 126.2 ± 0.6(stat) 0.2(syst) angular distributions lepton pairs this channel are sensitive boson. Under assumption spin 0, present data consistent with pure scalar hypothesis, while disfavoring...
The study of the spin-parity and tensor structure interactions recently discovered Higgs boson is performed using H to ZZ, Z gamma*, gamma* 4 l, WW l nu nu, gamma decay modes. full dataset recorded by CMS experiment during LHC Run 1 used, corresponding an integrated luminosity up 5.1 inverse femtobarns at a center-of-mass energy 7 TeV 19.7 8 TeV. A wide range spin-two models excluded 99% confidence level or higher, 99.87% for minimal gravity-like couplings, regardless whether assumptions are...
Results are presented from a search for the rare decays ${B}_{s}^{0}\ensuremath{\rightarrow}{\ensuremath{\mu}}^{+}{\ensuremath{\mu}}^{\ensuremath{-}}$ and ${B}^{0}\ensuremath{\rightarrow}{\ensuremath{\mu}}^{+}{\ensuremath{\mu}}^{\ensuremath{-}}$ in $pp$ collisions at $\sqrt{s}=7$ 8 TeV, with data samples corresponding to integrated luminosities of 5 $20\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$, respectively, collected by CMS experiment LHC. An unbinned maximum-likelihood fit dimuon...
A bstract search for the standard model Higgs boson decaying to a W-boson pair at LHC is reported. The event sample corresponds an integrated luminosity of 4.9 fb −1 and 19.4 collected with CMS detector in pp collisions $ \sqrt{s} = 7 8 TeV, respectively. candidates are selected events two or three charged leptons. An excess above background observed, consistent expectation from mass around 125 GeV. probability observe equal larger than one seen, under background-only hypothesis,...
This paper presents a search for the pair production of top squarks in events with single isolated electron or muon, jets, large missing transverse momentum, and mass. The data sample corresponds to an integrated luminosity 19.5 inverse femtobarns pp collisions collected 2012 by CMS experiment at LHC center-of-mass energy sqrt(s) = 8 TeV. No significant excess is observed above expectation from standard model processes. results are interpreted context supersymmetric models that decay either...
The suppression of the individual Upsilon(nS) states in PbPb collisions with respect to their yields pp data has been measured. and sets used analysis correspond integrated luminosities 150 inverse microbarns 230 nanobarns, respectively, collected 2011 by CMS experiment at LHC, a center-of-mass energy per nucleon pair 2.76 TeV. are measured from dimuon invariant mass spectra. relative scaled number nucleon-nucleon collisions, R[AA], is as function collision centrality. Integrated over...
A search for the standard model Higgs boson ($H$) decaying to $b\overline{b}$ when produced in association with a weak vector ($V$) is reported following channels: $W(\ensuremath{\mu}\ensuremath{\nu})H$, $W(e\ensuremath{\nu})H$, $W(\ensuremath{\tau}\ensuremath{\nu})H$, $Z(\ensuremath{\mu}\ensuremath{\mu})H$, $Z(ee)H$, and $Z(\ensuremath{\nu}\ensuremath{\nu})H$. The performed data samples corresponding integrated luminosities of up 5.1 inverse femtobarns at $\sqrt{s}=7\text{ }\text{...
The anisotropy of the azimuthal distributions charged particles produced in $\sqrt{{s}_{NN}}=2.76$ TeV PbPb collisions is studied with CMS experiment at LHC. elliptic parameter, ${v}_{2}$, defined as second coefficient a Fourier expansion particle invariant yields, extracted using event-plane method, two- and four-particle cumulants, Lee-Yang zeros. presented function transverse momentum (${p}_{\mathrm{T}}$), pseudorapidity ($\ensuremath{\eta}$) over broad kinematic range,...
Dijet production in PbPb collisions at a nucleon–nucleon center-of-mass energy of 2.76 TeV is studied with the CMS detector LHC. A data sample corresponding to an integrated luminosity 150 μb−1 analyzed. Jets are reconstructed using combined information from tracking and calorimetry, anti-kT algorithm R=0.3. The dijet momentum balance angular correlations as function collision centrality leading jet transverse momentum. For most peripheral collisions, good agreement distributions pp...
Pregnancy is rare in women with ESRD and when it occurs, often accompanied by significant maternal fetal morbidity even mortality. Preliminary data from the Toronto Nocturnal Hemodialysis Program suggested that increased clearance of uremic toxins intensified hemodialysis improves pregnancy outcomes, but small numbers absence a comparator group limited widespread applicability these findings. We compared outcomes 22 pregnancies Kidney Disease Clinic Registry (2000-2013) 70 American for...
Results of searches for heavy stable charged particles produced in pp collisions at sqrt(s) = 7 and 8 TeV are presented corresponding to an integrated luminosity 5.0 inverse femtobarns 18.8 femtobarns, respectively. Data collected with the CMS detector used study momentum, energy deposition, time-of-flight signal candidates. Leptons electric charge between e/3 8e, as well bound states that can undergo exchange material, studied. Analysis results various combinations signatures inner tracker...