Tomas Kello
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View article: Erratum to: Search for resonant and nonresonant production of pairs of dijet resonances in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV
Erratum to: Search for resonant and nonresonant production of pairs of dijet resonances in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV Open
View article: The CMS Tracker performance in LHC Run 3
The CMS Tracker performance in LHC Run 3 Open
The Tracker of the Compact Muon Solenoid (CMS) experiment is the largest silicon tracker ever built, with 1856 pixel and 15148 strip detector modules that provide accurate track reconstruction. Special challenges must be addressed in the R…
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
View article: Measurement of multidifferential cross sections for dijet production in proton–proton collisions at $$\sqrt{s} = 13\,\text {Te}\hspace{-.08em}\text {V} $$
Measurement of multidifferential cross sections for dijet production in proton–proton collisions at $$\sqrt{s} = 13\,\text {Te}\hspace{-.08em}\text {V} $$ Open
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
and two-particle femtoscopic correlations in PbPb collisions at Open
View article: Search for a scalar or pseudoscalar dilepton resonance produced in association with a massive vector boson or top quark-antiquark pair in multilepton events 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 scalar or pseudoscalar dilepton resonance produced in association with a massive vector boson or top quark-antiquark pair in multilepton events at Open
A search for beyond the standard model spin-0 bosons, ϕ, that decay into pairs of electrons, muons, or tau leptons is presented. The search targets the associated production of such bosons with a W or Z gauge boson, or a top quark-antiquar…
View article: Search for high-mass exclusive diphoton production with tagged protons 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 high-mass exclusive diphoton production with tagged protons in proton-proton collisions at Open
A search is presented for high-mass exclusive diphoton production via photon-photon fusion in proton-proton collisions at s=13 TeV in events where both protons survive the interaction. The analysis utilizes data corresponding to an integr…
View article: Observation of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi mathvariant="normal">ϒ</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mn>3</mml:mn><mml:mi>S</mml:mi><mml:mo stretchy="false">)</mml:mo></mml:mrow></mml:math> Meson and Suppression of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi mathvariant="normal">ϒ</mml:mi></mml:mrow></mml:math> States in Pb-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>N</mml:mi><mml:mi>N</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:msqrt><mml:mo>=</mml:mo><mml:mn>5.02</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:mrow></mml:math>
Observation of the Meson and Suppression of States in Pb-Pb Collisions at Open
The production of ϒ(2S) and ϒ(3S) mesons in lead-lead (Pb-Pb) and proton-proton (pp) collisions is studied in their dimuon decay channel using the CMS detector at the LHC. The ϒ(3S) meson is observed for the first time in Pb-Pb collisions,…
View article: Search for a scalar or pseudoscalar dilepton resonance produced in association with a massive vector boson or top quark-antiquark ffiffi pair in multilepton events at √s = 13 TeV
Search for a scalar or pseudoscalar dilepton resonance produced in association with a massive vector boson or top quark-antiquark ffiffi pair in multilepton events at √s = 13 TeV Open
A search for beyond the standard model spin-0 bosons, Φ, that decay into pairs of electrons, muons, or tau leptons is presented. The search targets the associated production of such bosons with a W or Z gauge boson, or a top quark-antiquar…
View article: Search for central exclusive production of top quark pairs in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV with tagged protons
Search for central exclusive production of top quark pairs in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV with tagged protons Open
View article: Measurement of simplified template cross sections of the Higgs boson produced in association with <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>W</mml:mi></mml:math> or <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>Z</mml:mi></mml:math> bosons in the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>H</mml:mi><mml:mo stretchy="false">→</mml:mo><mml:mi>b</mml:mi><mml:mover accent="true"><mml:mi>b</mml:mi><mml:mo stretchy="false">¯</mml:mo></mml:mover></mml:math> decay channel 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>
Measurement of simplified template cross sections of the Higgs boson produced in association with or bosons in the decay channel in proton-proton collisions at Open
Differential cross sections are measured for the standard model Higgs boson produced in association with vector bosons (W, Z) and decaying to a pair of b quarks. Measurements are performed within the framework of the simplified template cr…
View article: Search for a new resonance decaying into two spin-0 bosons in a final state with two photons and two bottom quarks in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV
Search for a new resonance decaying into two spin-0 bosons in a final state with two photons and two bottom quarks in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV Open
View article: Two-particle Bose-Einstein correlations and their Lévy parameters in PbPb collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msqrt><mml:msub><mml:mi>s</mml:mi><mml:mrow><mml:mi>N</mml:mi><mml:mi>N</mml:mi></mml:mrow></mml:msub></mml:msqrt><mml:mo>=</mml:mo><mml:mn>5.02</mml:mn></mml:mrow></mml:math> TeV
Two-particle Bose-Einstein correlations and their Lévy parameters in PbPb collisions at TeV Open
Two-particle Bose–Einstein momentum correlation functions are studied for charged-hadron pairs in lead-lead collisions at a center-of-mass energy per nucleon pair of sNN=5.02TeV. The data sample, containing 4.27×109 minimum bias events cor…
View article: Measurements of azimuthal anisotropy of nonprompt D0 mesons in PbPb 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:mi mathvariant="normal">NN</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:msqrt><mml:mo linebreak="goodbreak" linebreakstyle="after">=</mml:mo><mml:mn>5.02</mml:mn><mml:mspace width="0.2em"/><mml:mtext>TeV</mml:mtext></mml:math>
Measurements of azimuthal anisotropy of nonprompt D0 mesons in PbPb collisions at Open
View article: Measurement of the Higgs boson production via vector boson fusion and its decay into bottom quarks in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV
Measurement of the Higgs boson production via vector boson fusion and its decay into bottom quarks in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV Open
View article: Search for a vector-like quark T' → tH via the diphoton decay mode of the Higgs boson in proton-proton collisions at √s = 13 TeV
Search for a vector-like quark T' → tH via the diphoton decay mode of the Higgs boson in proton-proton collisions at √s = 13 TeV Open
A search for the electroweak production of a vector-like quark T' , decaying to a top quark and a Higgs boson is presented. The search is based on a sample of proton-proton collision events recorded at the LHC at √ s = 13 TeV, correspondin…
View article: Publisher Correction: Observation of triple J/ψ meson production in proton-proton collisions
Publisher Correction: Observation of triple J/ψ meson production in proton-proton collisions Open
Correction to: Nature Physics, published online 19 January 2023. In the version of the article initially published, the second affiliation of T. Elkafrawy was incorrect and is now shown as Ain Shams University, Cairo, Egypt in the HTML and…
View article: Search for pair-produced vector-like leptons in final states with third-generation leptons and at least three b quark jets in proton-proton collisions at √s = 13 TeV
Search for pair-produced vector-like leptons in final states with third-generation leptons and at least three b quark jets in proton-proton collisions at √s = 13 TeV Open
The first search is presented for vector-like leptons (VLLs) in the context of the '4321 model', an ultraviolet-complete model with the potential to explain existing B physics measurements that are in tension with standard model prediction…
View article: Measurement of the top quark mass using a profile likelihood approach with the lepton + jets final states in proton–proton collisions at $$\sqrt{s}=13\,\text {Te}\hspace{-.08em}\text {V} $$
Measurement of the top quark mass using a profile likelihood approach with the lepton + jets final states in proton–proton collisions at $$\sqrt{s}=13\,\text {Te}\hspace{-.08em}\text {V} $$ Open
View article: Author Correction: A portrait of the Higgs boson by the CMS experiment ten years after the discovery
Author Correction: A portrait of the Higgs boson by the CMS experiment ten years after the discovery Open
Correction to: Nature Published online 4 July 2022 In the version of this article initially published, CMS Collaboration author names, affiliations and acknowledgements were omitted and have now been included in the HTML and PDF versions o…
View article: Observation of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>τ</mml:mi></mml:math> Lepton Pair Production in Ultraperipheral Pb-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>N</mml:mi><mml:mi>N</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:msqrt><mml:mo>=</mml:mo><mml:mn>5.02</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:mrow></mml:math>
Observation of Lepton Pair Production in Ultraperipheral Pb-Pb Collisions at Open
We present an observation of photon-photon production of τ lepton pairs in ultraperipheral lead-lead collisions. The measurement is based on a data sample with an integrated luminosity of 404 μb^{-1} collected by the CMS experiment at a ce…
View article: Search for supersymmetry in final states with a single electron or muon using angular correlations and heavy-object identification in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV
Search for supersymmetry in final states with a single electron or muon using angular correlations and heavy-object identification in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV Open
View article: A search for new physics in central exclusive production using the missing mass technique with the CMS detector and the CMS-TOTEM precision proton spectrometer
A search for new physics in central exclusive production using the missing mass technique with the CMS detector and the CMS-TOTEM precision proton spectrometer Open
Measurement of the Dependence of the Hadron Production Fraction Ratios and on Meson Kinematic Variables in Proton-Proton Collisions at Open
View article: Search for pair-produced vector-like leptons in final states with third-generation leptons and at least three b quark jets 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 pair-produced vector-like leptons in final states with third-generation leptons and at least three b quark jets in proton-proton collisions at Open
The first search is presented for vector-like leptons (VLLs) in the context of the "4321 model", an ultraviolet-complete model with the potential to explain existing B physics measurements that are in tension with standard model prediction…
View article: Search for new physics in the τ lepton plus missing transverse momentum final state in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV
Search for new physics in the τ lepton plus missing transverse momentum final state in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV Open
View article: Measurement of differential cross sections for the production of a <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>Z</mml:mi></mml:math> boson in association with jets 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>
Measurement of differential cross sections for the production of a boson in association with jets in proton-proton collisions at Open
A measurement is presented of the production of Z bosons that decay into two electrons or muons in association with jets, in proton-proton collisions at a center-of-mass energy of 13 TeV. The data were cross sections are measured as a func…
View article: Search for Exotic Higgs Boson Decays <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>H</mml:mi><mml:mo stretchy="false">→</mml:mo><mml:mi mathvariant="script">A</mml:mi><mml:mi mathvariant="script">A</mml:mi><mml:mo stretchy="false">→</mml:mo><mml:mrow><mml:mn>4</mml:mn><mml:mi>γ</mml:mi></mml:mrow></mml:mrow></mml:math> with Events Containing Two Merged Diphotons 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</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:mrow></mml:math>
Search for Exotic Higgs Boson Decays with Events Containing Two Merged Diphotons in Proton-Proton Collisions at Open
We present the first direct search for exotic Higgs boson decays H→AA, A→γγ in events with two photonlike objects. The hypothetical particle A is a low-mass spin-0 particle decaying promptly to a merged diphoton reconstructed as a single p…
View article: Reconstruction of decays to merged photons using end-to-end deep learning with domain continuation in the CMS detector
Reconstruction of decays to merged photons using end-to-end deep learning with domain continuation in the CMS detector Open
A novel technique based on machine learning is introduced to reconstruct the decays of highly Lorentz
\nboosted particles. Using an end-to-end deep learning strategy, the technique bypasses existing rule-based
\n particle reconstruction me…