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View article: Performance of heavy-flavour jet identification in Lorentz-boosted topologies in proton-proton collisions at √( <i>s</i> ) = 13 TeV
Performance of heavy-flavour jet identification in Lorentz-boosted topologies in proton-proton collisions at √( <i>s</i> ) = 13 TeV Open
Measurements in the highly Lorentz-boosted regime provoke increased interest in probing the Higgs boson properties and in searching for particles beyond the standard model at the LHC. In the CMS Collaboration, various boosted-object taggin…
View article: Operation and performance of the CMS silicon strip tracker with proton-proton collisions at the CERN LHC
Operation and performance of the CMS silicon strip tracker with proton-proton collisions at the CERN LHC Open
Salient aspects of the commissioning, calibration, and performance of the CMS silicon strip tracker are discussed, drawing on experience during operation with proton-proton collisions delivered by the CERN LHC. The data were obtained with …
View article: Expanding the diagnostic spectrum of malignant otitis externa: a case report of proteus infection in a non-immunosuppressed patient
Expanding the diagnostic spectrum of malignant otitis externa: a case report of proteus infection in a non-immunosuppressed patient Open
Introduction Malignant otitis externa (MOE) is a severe and potentially life-threatening infection of the external auditory canal, most frequently caused by Pseudomonas aeruginosa . Although typically seen in immunocompromised individuals—…
View article: Search for excited tau leptons in the ττγ final state in proton-proton collisions at $$\sqrt{\text{s}}$$ = 13 TeV
Search for excited tau leptons in the ττγ final state in proton-proton collisions at $$\sqrt{\text{s}}$$ = 13 TeV Open
View article: Measurements of inclusive and differential cross sections for top quark production in association with a Z boson in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV
Measurements of inclusive and differential cross sections for top quark production in association with a Z boson in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV Open
A bstract Measurements are presented of inclusive and differential cross sections for Z boson associated production of top quark pairs ( $$ \textrm{t}\overline{\textrm{t}}\textrm{Z} $$ ) and single top quarks (tZq or tWZ). The data w…
View article: Observation of $Λ$ hyperon local polarization in pPb collisions at $\sqrt{s_\mathrm{NN}}$ = 8.16 TeV
Observation of $Λ$ hyperon local polarization in pPb collisions at $\sqrt{s_\mathrm{NN}}$ = 8.16 TeV Open
The polarization of the $Λ$ and $\overlineΛ$ hyperons along the beam direction has been measured in proton-lead (pPb) collisions at a center-of-mass energy per nucleon pair of 8.16 TeV. The data were obtained with the CMS detector at the L…
View article: Differential cross section measurements for the production of top quark pairs and of additional jets using dilepton events from pp collisions at $$ \sqrt{s} $$ = 13 TeV
Differential cross section measurements for the production of top quark pairs and of additional jets using dilepton events from pp collisions at $$ \sqrt{s} $$ = 13 TeV Open
View article: Model-independent search for pair production of new bosons decaying into muons in proton-proton collisions at $\sqrt{s}$ = 13 TeV
Model-independent search for pair production of new bosons decaying into muons in proton-proton collisions at $\sqrt{s}$ = 13 TeV Open
The results of a model-independent search for the pair production of new bosons within a mass range of 0.21 < m < 60 GeV, are presented. This study utilizes events with a four-muon final state. We use two data sets, comprising 41.5 fb…
View article: Evidence for $CP$ violation and measurement of $CP$-violating parameters in B$^0_\\mathrm{s}$ $\\to$ J/$\\psi\\,\\phi$(1020) decays in pp collisions at $\\sqrt{s} =$ 13 TeV
Evidence for $CP$ violation and measurement of $CP$-violating parameters in B$^0_\\mathrm{s}$ $\\to$ J/$\\psi\\,\\phi$(1020) decays in pp collisions at $\\sqrt{s} =$ 13 TeV Open
A pioneering machine-learning-based flavor-tagging algorithm combining same-side and opposite-side tagging is used to obtain the equivalent of 27$\\,$000 tagged B$^0_\\mathrm{s}$$\\to$ J/$\\psi\\, \\phi$(1020) decays from pp collisions at …
View article: Review of top quark mass measurements in CMS
Review of top quark mass measurements in CMS Open
The top quark mass is one of the most intriguing parameters of the standard model (SM). Its value indicates a Yukawa coupling close to unity, and the resulting strong ties to Higgs physics make the top quark mass a crucial ingredient for u…
View article: Measurement of the double-differential inclusive jet cross section in proton-proton collisions at $$ \sqrt{s} $$ = 5.02 TeV
Measurement of the double-differential inclusive jet cross section in proton-proton collisions at $$ \sqrt{s} $$ = 5.02 TeV Open
View article: Search for a Neutral Gauge Boson with Nonuniversal Fermion Couplings in Vector Boson Fusion Processes in Proton-Proton Collisions at sqrt[s]=13 TeV
Search for a Neutral Gauge Boson with Nonuniversal Fermion Couplings in Vector Boson Fusion Processes in Proton-Proton Collisions at sqrt[s]=13 TeV 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 a…
View article: Search for nuclear modifications of B$^+$ meson production in pPb collisions at $\sqrt{s_\mathrm{NN}}$ = 8.16 TeV
Search for nuclear modifications of B$^+$ meson production in pPb collisions at $\sqrt{s_\mathrm{NN}}$ = 8.16 TeV Open
Nuclear medium effects on B$^+$ meson production are studied using the binary-collision scaled cross section ratio between events of different multiplicities from proton-lead collisions. Data, collected by the CMS experiment in 2016 at a n…
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
Measurements of light-by-light scattering (LbL, γγ → γγ) and the Breit-Wheeler process (BW, γγ →e$^{+}$e$^{−}$) are reported in ultraperipheral PbPb collisions at a centre-of-mass energy per nucleon pair of 5.02 TeV. The data sample, corre…
View article: Reweighting simulated events using machine-learning techniques in the CMS experiment
Reweighting simulated events using machine-learning techniques in the CMS experiment Open
Data analyses in particle physics rely on an accurate simulation of particle collisions and a detailed simulation of detector effects to extract physics knowledge from the recorded data. Event generators together with a GEANT-based simulat…
View article: Search for light long-lived particles decaying to displaced jets in proton–proton collisions at $\sqrt{s} = 13.6~\textrm{TeV}$
Search for light long-lived particles decaying to displaced jets in proton–proton collisions at $\sqrt{s} = 13.6~\textrm{TeV}$ Open
A search for light long-lived particles (LLPs) decaying to displaced jets is presented, using a data sample of proton–proton collisions at a center-of-mass energy of 13.6 TeV, corresponding to an integrated luminosity of 34.7 fb$^{−1}$, co…
View article: Search for long-lived heavy neutral leptons in proton-proton collision events with a lepton-jet pair associated with a secondary vertex at $ \sqrt{s} $ = 13 TeV
Search for long-lived heavy neutral leptons in proton-proton collision events with a lepton-jet pair associated with a secondary vertex at $ \sqrt{s} $ = 13 TeV Open
A search for long-lived heavy neutral leptons (HNLs) using proton-proton collision data corresponding to an integrated luminosity of 138 fb$^{−1}$ collected at $ \sqrt{s} $ = 13 TeV with the CMS detector at the CERN LHC is presented. Event…
View article: Search for resonant pair production of Higgs bosons in the $ \textrm{b}\overline{\textrm{b}}\textrm{b}\overline{\textrm{b}} $ final state using large-area jets in proton-proton collisions at $ \sqrt{s} $ = 13 TeV
Search for resonant pair production of Higgs bosons in the $ \textrm{b}\overline{\textrm{b}}\textrm{b}\overline{\textrm{b}} $ final state using large-area jets in proton-proton collisions at $ \sqrt{s} $ = 13 TeV Open
A search is presented for the resonant production of a pair of standard model-like Higgs bosons using data from proton-proton collisions at a centre-of-mass energy of 13 TeV, collected by the CMS experiment at the CERN LHC in 2016–2018, co…
View article: Overview of high-density QCD studies with the CMS experiment at the LHC
Overview of high-density QCD studies with the CMS experiment at the LHC Open
We review key measurements performed by CMS in the context of its heavy ion physics program, using event samples collected in 2010–2018 with several collision systems and energies. These studies provide detailed macroscopic and microscopic…
View article: Search for new physics in jet scaling patterns of multilepton events at $\sqrt{s}$ = 13 TeV
Search for new physics in jet scaling patterns of multilepton events at $\sqrt{s}$ = 13 TeV Open
A first search for beyond the standard model physics in jet scaling patterns of multilepton events is presented, using a data sample corresponding to an integrated luminosity of 138 fb$^{-1}$ of 13 TeV proton-proton collisions recorded by …
View article: Measurement of the $\mathrm{t\bar{t}}$H and tH production rates in the H $\to$$\mathrm{b\bar{b}}$ decay channel using proton-proton collision data at $\sqrt{s}$ = 13 TeV
Measurement of the $\mathrm{t\bar{t}}$H and tH production rates in the H $\to$$\mathrm{b\bar{b}}$ decay channel using proton-proton collision data at $\sqrt{s}$ = 13 TeV Open
An analysis of the production of a Higgs boson (H) in association with a top quark-antiquark pair ($\mathrm{t\bar{t}}$H) or a single top quark (tH) is presented. The Higgs boson decay into a bottom quark-antiquark pair (H $\to$$\mathrm{b\b…
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 first measurement is presented of the cross section for the scattering of same-sign W boson pairs via the detection of a $\tau$ lepton. The data from proton-proton collisions at the center-of-mass energy of 13 TeV were collected by the C…
View article: Measurement of inclusive and differential cross sections for W+W− production in proton-proton collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"><mml:msqrt><mml:mrow><mml:mi>s</mml:mi></mml:mrow></mml:msqrt><mml:mo linebreak="goodbreak" linebreakstyle="after">=</mml:mo><mml:mn>13.6</mml:mn></mml:math> TeV
Measurement of inclusive and differential cross sections for W+W− production in proton-proton collisions at TeV Open
View article: Measurements of polarization and spin correlation and observation of entanglement in top quark pairs using <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>lepton</mml:mi><mml:mo>+</mml:mo><mml:mtext>jets</mml:mtext></mml:mrow></mml:math> 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>
Measurements of polarization and spin correlation and observation of entanglement in top quark pairs using events from proton-proton collisions at Open
Measurements of the polarization and spin correlation in top quark pairs (tt¯) are presented using events with a single electron or muon and jets in the final state. The measurements are based on proton-proton collision data from the LHC a…
View article: Evidence for $CP$ violation and measurement of $CP$-violating parameters in B$^0_\mathrm{s}$ $\to$ J/$ψ\,ϕ$(1020) decays in pp collisions at $\sqrt{s} =$ 13 TeV
Evidence for $CP$ violation and measurement of $CP$-violating parameters in B$^0_\mathrm{s}$ $\to$ J/$ψ\,ϕ$(1020) decays in pp collisions at $\sqrt{s} =$ 13 TeV Open
A pioneering machine-learning-based flavor-tagging algorithm combining same-side and opposite-side tagging is used to obtain the equivalent of 27$\,$000 tagged B$^0_\mathrm{s}$ $\to$ J/$ψ\, ϕ$(1020) decays from pp collisions at $\sqrt{s} =…
View article: Model-independent search for pair production of new bosons decaying into muons in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV
Model-independent search for pair production of new bosons decaying into muons in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV Open
A bstract The results of a model-independent search for the pair production of new bosons within a mass range of 0 . 21 < m < 60 GeV, are presented. This study utilizes events with a four-muon final state. We use two data sets, comprising …
View article: Search for heavy neutral resonances decaying to tau lepton pairs in proton-proton collisions at $\\sqrt{s}$ = 13 TeV
Search for heavy neutral resonances decaying to tau lepton pairs in proton-proton collisions at $\\sqrt{s}$ = 13 TeV Open
A search for heavy neutral gauge bosons (Z') decaying into a pair of tau leptons is performed in proton-proton collisions at $\\sqrt{s}$ = 13 TeV at the CERN LHC. The data were collected with the CMS detector and correspond to an integrate…
View article: Search for a standard model-like Higgs boson in the mass range between 70 and 110 GeV in the diphoton final state in proton-proton collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"><mml:msqrt><mml:mrow><mml:mi>s</mml:mi></mml:mrow></mml:msqrt><mml:mo linebreak="goodbreak" linebreakstyle="after">=</mml:mo><mml:mn>13</mml:mn><mml:mspace width="0.2em"/><mml:mtext>TeV</mml:mtext></mml:math>
Search for a standard model-like Higgs boson in the mass range between 70 and 110 GeV in the diphoton final state in proton-proton collisions at Open
The results of a search for a standard model-like Higgs boson decaying into two photons in the mass range between 70 and 110 GeV are presented. The analysis uses the data set collected by the CMS experiment in proton-proton collisions at $…
View article: Stairway to discovery: A report on the CMS programme of cross section measurements from millibarns to femtobarns
Stairway to discovery: A report on the CMS programme of cross section measurements from millibarns to femtobarns Open
View article: Dark sector searches with the CMS experiment
Dark sector searches with the CMS experiment Open