M. Peruzzi

Search for Higgs boson pair production with one associated vector boson in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV

A. Hayrapetyan, A. Tumasyan, W. Adam, J. W. Andrejkovic et autres

A bstract A search for Higgs boson pair (HH) production in association with a vector boson V (W or Z boson) is presented. The search is based on proton-proton collision data at a center-of-mass energy of 13 TeV, collected with the CMS …

am, be, at, in, Égypte, gb, br, ve, mx (code pays fourni par la source)

Search for W′ bosons decaying to a top and a bottom quark in leptonic final states in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV

Aram Hayrapetyan, A. Tumasyan, W. Adam, J. W. Andrejkovic et autres

A bstract A search for W′ bosons decaying to a top and a bottom quark in final states including an electron or a muon is performed with the CMS detector at the LHC. The analyzed data correspond to an integrated luminosity of …

am, at, in, be, fr, Égypte, gb, br, ve, mx (code pays fourni par la source)

Inclusive and differential cross section measurements of $$ \textrm{t}\overline{\textrm{t}}\textrm{b}\overline{\textrm{b}} $$ production in the lepton+jets channel at $$ \sqrt{s} $$ = 13 TeV

A. Hayrapetyan, A. Tumasyan, W. Adam, Janik Walter Andrejkovic et autres

A bstract Measurements of inclusive and normalized differential cross sections of the associated production of top quark-antiquark and bottom quark-antiquark pairs, $$ \textrm{t}\overline{\textrm{t}}\textrm{b}\overline{\textrm{b}} $$ t t ¯ b b ¯ , are presented. The results are based on data from proton-proton collisions …

am, be, at, in, Égypte, gb, br, ve, mx (code pays fourni par la source)

Observation of the $\Upsilon$(3S) meson and suppression of $\Upsilon$ states in PbPb collisions at $\sqrt{s_\mathrm{NN}}$ = 5.02 TeV

A. Tumasyan, W. Adam, Janik Walter Andrejkovic, Thomas Bergauer et autres

The production of $\Upsilon$(2S) and $\Upsilon$(3S) mesons in lead-lead (PbPb) and proton-proton (pp) collisions is studied in their dimuon decay channel using the CMS detector at the LHC. The $\Upsilon$(3S) meson is observed for the first time in PbPb collisions, with a …

Development of the CMS detector for the CERN LHC Run 3

Aram Hayrapetyan, A. Tumasyan, Wolfgang Adam, Janik Walter Andrejkovic et autres

Since the initial data taking of the CERN LHC, the CMSexperiment has undergone substantial upgrades and improvements. Thispaper discusses the CMS detector as it is configured for the thirddata-taking period of the CERN LHC, Run 3, which started in2022. The entire silicon …

de (code pays fourni par la source)

Search for a third-generation leptoquark coupled to a $\tau$ lepton and a b quark through single, pair, and nonresonant production in proton-proton collisions at $\sqrt{s}$ = 13 TeV

Aram Hayrapetyan, A. Tumasyan, M. Jeitler, H. Nogima et autres

A search is presented for a third-generation leptoquark (LQ) coupled exclusively to a $\tau$ lepton and a b quark. The search is based on proton-proton collision data at a center-of-mass energy of 13 TeV recorded with the CMS detector, corresponding to an …

Measurement of the primary Lund jet plane density in proton-proton collisions at $ \sqrt{\textrm{s}} $ = 13 TeV

Aram Hayrapetyan, A. Tumasyan, W. Adam, Janik Walter Andrejkovic et autres

A measurement is presented of the primary Lund jet plane (LJP) density in inclusive jet production in proton-proton collisions. The analysis uses 138 fb$^{-1}$ of data collected by the CMS experiment at $\sqrt{s}$ = 13 TeV. The LJP, a representation of the …

Search for heavy resonances decaying to Z(νν¯)V(qq¯′) in proton-proton collisions at s=13 TeV

A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer et autres

A search is presented for heavy bosons decaying to $Z(\ensuremath{\nu}\overline{\ensuremath{\nu}})V(q{\overline{q}}^{\ensuremath{'}})$, where $V$ can be a $W$ or a $Z$ boson. A sample of proton-proton collision data at $\sqrt{s}=13\text{ }\text{ }\mathrm{TeV}$ was collected by the CMS experiment during 2016--2018. The data correspond to …

am, at, be, kr, us, br (code pays fourni par la source)

Measurement of differential cross sections for the production of a $Z$ boson in association with jets in proton-proton collisions at $\sqrt{s}$ = 13 TeV

A. Tumasyan, W. Adam, Janik Walter Andrejkovic, T. Bergauer et autres

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 centre-of-mass energy of 13 TeV. The data were recorded by the CMS Collaboration at the LHC …

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 $\sqrt{s}$ = 13 TeV

A. Tumasyan, W. Adam, Janik Walter Andrejkovic, T. Bergauer et autres

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 predictions. The analyzed data, corresponding to an …

Search for Exotic Higgs Boson Decays $H→AA→4γ$ with Events Containing Two Merged Diphotons in Proton-Proton Collisions at $\sqrt{s}$ = 13 TeV

W. Adam, Janik Walter Andrejkovic, T. Bergauer, K. Damanakis et autres

The first direct search for exotic Higgs boson decays H $\to$$\mathcal{A}\mathcal{A}$, $\mathcal{A}$$\to$$\gamma\gamma$ in events with two photon-like objects is presented. The hypothetical particle $\mathcal{A}$ is a low-mass spin-0 particle decaying promptly to a merged diphoton reconstructed as a single photon-like object. Data …

Measurement of the top quark mass using events with a single reconstructed top quark in pp collisions at $$ \sqrt{s} $$ = 13 TeV

W. Adam, Janik Walter Andrejkovic, T. Bergauer, S. Chatterjee et autres

Abstract A measurement of the top quark mass is performed using a data sample enriched with single top quark events produced in thetchannel. The study is based on proton- proton collision data, corresponding to an integrated luminosity of 35.9 fb−1, recorded at …

am, at, be, br (code pays fourni par la source)