Laurent Thomas
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View article: Million‐Atom Wave Function Simulations of a Single Donor Qubit Made in Silicon Utilizing Ion Implantation Technology
Million‐Atom Wave Function Simulations of a Single Donor Qubit Made in Silicon Utilizing Ion Implantation Technology Open
A large‐scale quantum computer promises quantum algorithms with an exponential speed increase over classical counterparts. Ion implanted donor atom qubits in isotopically enriched have demonstrated leading coherence times and gate fideliti…
View article: Search for new physics in the final state with a single photon and large missing transverse momentum in proton-proton collisions at $\sqrt{s}$ = 13 TeV
Search for new physics in the final state with a single photon and large missing transverse momentum in proton-proton collisions at $\sqrt{s}$ = 13 TeV Open
A search for new physics in events featuring a single photon and missing transverse momentum is presented, using proton-proton $\sqrt{s}$ = 13 TeV collision data corresponding to an integrated luminosity of 101 fb$^{-1}$ collected by the C…
View article: Search for heavy H$γ$ and Z$γ$ resonances with a bottom quark-antiquark pair in the final state in proton-proton collisions at $\sqrt{s}$ = 13 TeV
Search for heavy H$γ$ and Z$γ$ resonances with a bottom quark-antiquark pair in the final state in proton-proton collisions at $\sqrt{s}$ = 13 TeV Open
A search for heavy resonances decaying into a Higgs boson (H) or a Z boson and a photon ($γ$), with the H or Z bosons decaying to a bottom quark-antiquark pair ($\mathrm{b\bar{b}}$) is presented. The analysis is performed using proton-prot…
View article: A method for correcting the substructure of multiprong jets using the Lund jet plane
A method for correcting the substructure of multiprong jets using the Lund jet plane Open
A bstract Many analyses at the CERN LHC exploit the substructure of jets to identify heavy resonances produced with high momenta that decay into multiple quarks and/or gluons. This paper presents a new technique for correcting the substruc…
View article: Search for top squarks in final states with many light-flavor jets and 0, 1, or 2 charged leptons in proton-proton collisions at $$\sqrt{s}=13$$ TeV
Search for top squarks in final states with many light-flavor jets and 0, 1, or 2 charged leptons in proton-proton collisions at $$\sqrt{s}=13$$ TeV Open
View article: Study of same-sign W boson scattering and anomalous couplings in events with one tau lepton from pp collisions at $$\sqrt{s}=13$$ TeV
Study of same-sign W boson scattering and anomalous couplings in events with one tau lepton from pp collisions at $$\sqrt{s}=13$$ TeV Open
A bstract A first study is presented of the cross section for the scattering of same-sign W boson pairs via the detection of a τ lepton. The data from proton-proton collisions at the center-of-mass energy of 13 TeV were collected by the CM…
View article: Measurement of the ratio of the B$_\mathrm{c}^+$ $\to$ J/$ψ$$τ^+ν_τ$ and B$_\mathrm{c}^+$ $\to$ J/$ψ$ $μ^+ν_μ$ branching fractions using three-prong $τ$ lepton decays
Measurement of the ratio of the B$_\mathrm{c}^+$ $\to$ J/$ψ$$τ^+ν_τ$ and B$_\mathrm{c}^+$ $\to$ J/$ψ$ $μ^+ν_μ$ branching fractions using three-prong $τ$ lepton decays Open
The ratio between the B$_\mathrm{c}^+$ $\to$ J/$ψ$$τ^+ν_τ$ and B$_\mathrm{c}^+$ $\to$ J/$ψ$$μ^+ν_μ$ branching fractions is measured using a data sample of proton-proton collisions collected by CMS at a center-of-mass energy of 13 TeV in th…
View article: Search for dark matter produced in association with a Higgs boson decaying to a τ lepton pair in proton-proton collisions at $$\sqrt{s}=13$$ TeV
Search for dark matter produced in association with a Higgs boson decaying to a τ lepton pair in proton-proton collisions at $$\sqrt{s}=13$$ TeV Open
A bstract A search for dark matter particles produced in association with a Higgs boson decaying into a pair of τ leptons is performed using data collected in proton-proton collisions at a center-of-mass energy of 13 TeV with the CMS detec…
View article: Measurement of event shapes in minimum-bias events from proton-proton collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> <mml:mo>=</mml:mo> <mml:mn>13</mml:mn> <mml:mtext> </mml:mtext> <mml:mtext> </mml:mtext> <mml:mi>TeV</mml:mi> </mml:math>
Measurement of event shapes in minimum-bias events from proton-proton collisions at Open
A measurement of event-shape variables is presented, using a data sample produced in a special run with approximately one inelastic proton-proton collision per bunch crossing. The data were collected with the CMS detector at a center-of-ma…
View article: Evaluation of 3D pixel silicon sensors for the CMS Phase-2 Inner Tracker
Evaluation of 3D pixel silicon sensors for the CMS Phase-2 Inner Tracker Open
The high-luminosity upgrade of the CERN LHC requires the replacement of the CMS tracking detector to cope with the increased radiation fluence while maintaining its excellent performance. An extensive R\&D program, aiming at using 3D pixel…
View article: Search for the Rare Decay <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi>D</mml:mi></mml:mrow><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:msup><mml:mrow><mml:mi>μ</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup><mml:msup><mml:mrow><mml:mi>μ</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math> in Proton-Proton Collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msqrt><mml:mrow><mml:mi>s</mml:mi></mml:mrow></mml:msqrt><mml:mo>=</mml:mo><mml:mn>13.6</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:mrow></mml:math>
Search for the Rare Decay in Proton-Proton Collisions at Open
A search for the rare decay D0→μ+μ− is reported using proton-proton collision events at s=13.6 TeV collected by the CMS detector in 2022–2023, corresponding to an integrated luminosity of 64.5 fb−1. This is the first analysis to use a ne…
View article: Search for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mi>γ</mml:mi> <mml:mi>H</mml:mi> </mml:math> production and constraints on the Yukawa couplings of light quarks to the Higgs boson
Search for production and constraints on the Yukawa couplings of light quarks to the Higgs boson Open
A search for γ H production is performed with data from the CMS experiment at the LHC corresponding to an integrated luminosity of 138 fb − 1 at a proton-proton center-of-mass collision energy of 13 TeV . The analysis f…
View article: Wasserstein normalized autoencoder for anomaly detection
Wasserstein normalized autoencoder for anomaly detection Open
A novel anomaly detection algorithm is presented. The Wasserstein normalized autoencoder (WNAE) is a normalized probabilistic model that minimizes the Wasserstein distance between the learned probability distribution -- a Boltzmann distrib…
View article: Observation of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="normal">Λ</mml:mi></mml:math> Hyperon Local Polarization in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi></mml:math>-Pb Collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msqrt><mml:mrow><mml:msub><mml:mrow><mml:mi>s</mml:mi></mml:mrow><mml:mrow><mml:mi>NN</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:msqrt><mml:mo>=</mml:mo><mml:mn>8.16</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:mrow></mml:math>
Observation of Hyperon Local Polarization in -Pb Collisions at Open
The polarization of the Λ and Λ¯ hyperons along the beam direction has been measured in proton-lead (p-Pb) collisions at a center-of-mass energy per nucleon pair of 8.16 TeV. The data were obtained with the CMS detector at the LHC and corr…
View article: Search for dark matter production in association with a single top quark in proton-proton collisions at $$\sqrt{{\varvec{s}}}=13$$ TeV
Search for dark matter production in association with a single top quark in proton-proton collisions at $$\sqrt{{\varvec{s}}}=13$$ TeV Open
A bstract A search for the production of a single top quark in association with invisible particles is performed using proton-proton collision data collected with the CMS detector at the LHC at $$\sqrt{s}=13$$ TeV, corresponding to an inte…
View article: Measurements of inclusive and differential Higgs boson production cross sections at $$\sqrt{\text{s}}=13.6$$ TeV in the H → γγ decay channel
Measurements of inclusive and differential Higgs boson production cross sections at $$\sqrt{\text{s}}=13.6$$ TeV in the H → γγ decay channel Open
A bstract Inclusive and differential cross sections for Higgs boson production in proton-proton collisions at a centre-of-mass energy of 13.6 TeV are measured using data collected with the CMS detector at the LHC in 2022, corresponding to …
View article: Elliptic anisotropy measurement of the f0(980) hadron in proton-lead collisions and evidence for its quark-antiquark composition
Elliptic anisotropy measurement of the f0(980) hadron in proton-lead collisions and evidence for its quark-antiquark composition Open
Despite the f 0 (980) hadron having been discovered half a century ago, the question about its quark content has not been settled: it might be an ordinary quark-antiquark ( $${{\rm{q}}}\overline{{{\rm{q}}}}$$ ) meson, a tetraquark ( …
View article: Search for vector-like leptons with long-lived particle decays in the CMS muon system in proton-proton collisions at $$\sqrt{\text{s}}$$ = 13 TeV
Search for vector-like leptons with long-lived particle decays in the CMS muon system in proton-proton collisions at $$\sqrt{\text{s}}$$ = 13 TeV Open
View article: Search for dark matter produced in association with one or two top quarks in proton-proton collisions at $$\sqrt{\text{s}}$$ = 13 TeV
Search for dark matter produced in association with one or two top quarks in proton-proton collisions at $$\sqrt{\text{s}}$$ = 13 TeV Open
View article: Measurement of light-by-light scattering and the Breit-Wheeler process, and search for axion-like particles in ultraperipheral PbPb collisions at $$\sqrt{{s}_{\text{NN}}}$$ = 5.02 TeV
Measurement of light-by-light scattering and the Breit-Wheeler process, and search for axion-like particles in ultraperipheral PbPb collisions at $$\sqrt{{s}_{\text{NN}}}$$ = 5.02 TeV Open
View article: Probing Gluon Fluctuations in Nuclei with the First Energy-Dependent Measurement of Incoherent <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>J</mml:mi><mml:mo>/</mml:mo><mml:mi>ψ</mml:mi></mml:math> Photoproduction in Ultraperipheral PbPb Collisions
Probing Gluon Fluctuations in Nuclei with the First Energy-Dependent Measurement of Incoherent Photoproduction in Ultraperipheral PbPb Collisions Open
Incoherent J/ψ photoproduction in heavy ion ultraperipheral collisions (UPCs) provides a sensitive probe of localized, fluctuating gluonic structures within heavy nuclei. This Letter reports the first measurement of the photon-nucleon cent…
Measurement of the W boson decay branching fraction ratio in proton-proton collisions at Open
View article: Observation of the Charged-Particle Multiplicity Dependence of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>σ</mml:mi></mml:mrow><mml:mrow><mml:mi>ψ</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mn>2</mml:mn><mml:mi>S</mml:mi><mml:mo stretchy="false">)</mml:mo></mml:mrow></mml:msub><mml:mo>/</mml:mo><mml:msub><mml:mrow><mml:mi>σ</mml:mi></mml:mrow><mml:mrow><mml:mi>J</mml:mi><mml:mo>/</mml:mo><mml:mi>ψ</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math> in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi></mml:math>-Pb Collisions at 8.16 TeV
Observation of the Charged-Particle Multiplicity Dependence of in -Pb Collisions at 8.16 TeV Open
Bound states of charm and anticharm quarks, known as charmonia, have a rich spectroscopic structure that can be used to probe the dynamics of hadron production in high-energy hadron collisions. Here, the cross section ratio of excited (ψ(2…
View article: Exploring small-angle emissions in charm quark jets in proton-proton collisions at $\sqrt{s}$ = 5.02 TeV
Exploring small-angle emissions in charm quark jets in proton-proton collisions at $\sqrt{s}$ = 5.02 TeV Open
A measurement of the angular structure of jets containing a prompt D$^0$ meson and of inclusive jets in proton-proton collisions at the LHC at a center-of-mass energy of 5.02 TeV is presented. The data corresponding to an integrated lumino…
View article: Search for flavor-changing neutral current interactions of the top quark mediated by a Higgs boson in proton-proton collisions at 13 TeV
Search for flavor-changing neutral current interactions of the top quark mediated by a Higgs boson in proton-proton collisions at 13 TeV Open
A search for flavor-changing neutral current interactions of the top quark (t) and the Higgs boson (H) is presented. The search is based on proton-proton collision data collected in 2016–2018 at a center-of-mass energy of 13 TeV with the C…
View article: Evidence for Similar Collectivity of High Transverse-Momentum Particles in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi></mml:math>-Pb and Pb-Pb Collisions
Evidence for Similar Collectivity of High Transverse-Momentum Particles in -Pb and Pb-Pb Collisions Open
Charged hadron elliptic anisotropies (v2) are presented over a wide transverse momentum (pT) range for proton-lead (pPb) and lead-lead (PbPb) collisions at nucleon-nucleon center-of-mass energies of 8.16 and 5.02 TeV, respectively. The dat…
View article: Subject-specific Functional ROIs Enhance Reliability in Language FMRI
Subject-specific Functional ROIs Enhance Reliability in Language FMRI Open
Purpose Functional MRI can be used to identify individual language-sensitive brain regions in the setting of presurgical diagnostics to improve functional postoperative outcome. In this study, a proven language task was adapted into German…
View article: Search for jet quenching with dijets from high-multiplicity pPb collisions at $$\sqrt{{s}_{\text{NN}}}$$ = 8.16 TeV
Search for jet quenching with dijets from high-multiplicity pPb collisions at $$\sqrt{{s}_{\text{NN}}}$$ = 8.16 TeV Open
A bstract The first measurement of the dijet transverse momentum balance x j in proton-lead (pPb) collisions at a nucleon-nucleon center-of-mass energy of $$\sqrt{{s}_{\text{NN}}}$$ = 8 . 16 TeV is presented. The x j observable, defined as…
View article: Search for a Neutral Gauge Boson with Nonuniversal Fermion Couplings in Vector Boson Fusion Processes in Proton-Proton Collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt><mml:mo>=</mml:mo><mml:mn>13</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:math>
Search for a Neutral Gauge Boson with Nonuniversal Fermion Couplings in Vector Boson Fusion Processes in Proton-Proton Collisions at Open
The first search for a heavy neutral spin-1 gauge boson (Z′) with nonuniversal fermion couplings produced via vector boson fusion processes and decaying to tau leptons or W bosons is presented. The analysis is performed using LHC data at s…
View article: Multiplicity dependence of charm baryon and charm meson production in pPb collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"><mml:msqrt><mml:mrow><mml:msub><mml:mrow><mml:mi>s</mml:mi></mml:mrow><mml:mrow><mml:msub><mml:mrow/><mml:mrow><mml:mi mathvariant="normal">NN</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:msub></mml:mrow></mml:msqrt><mml:mo linebreak="goodbreak" linebreakstyle="after">=</mml:mo><mml:mn>8.16</mml:mn><mml:mspace width="0.2em"/><mml:mtext>TeV</mml:mtext></mml:math>
Multiplicity dependence of charm baryon and charm meson production in pPb collisions at Open