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> CMS Physics Analysis Summaries
CMS Physics Analysis Summaries
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2024-09-30
18:26
Search for heavy pseudoscalar and scalar bosons decaying to top quark pairs in proton-proton collisions at
/CMS Collaboration
A search for heavy pseudoscalar or scalar bosons decaying to a top quark pair ($\mathrm{t\bar{t}}$) in final states with one or two charged leptons is presented, using $138\,\mathrm{fb}^{-1}$ of proton-proton collisions at $\sqrt{s}=13\,\mathrm{TeV}$ recorded by the CMS experiment at the CERN LHC. The invariant mass of the reconstructed $\mathrm{t\bar{t}}$ system and variables sensitive to its spin state are used to discriminate against the standard model $\mathrm{t\bar{t}}$ background.
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CMS-PAS-HIG-22-013.-
Geneva : CERN, 2024
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2024-09-27
15:03
Search for light pseudoscalar bosons produced in Higgs boson decays in the $4\tau$ and $2\mu2\tau$ final states in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$
/CMS Collaboration
A search for a pair of light pseudoscalar bosons ($\mathrm{a}_1$) produced from the decay of the $125~\mathrm{GeV}$ Higgs boson (H) is presented. The analysis examines decay modes where one $\mathrm{a}_1$ decays into a pair of tau leptons, and the other decays into either another pair of tau leptons or a pair of muons.
[...]
CMS-PAS-SUS-24-002.-
Geneva : CERN, 2024
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2024-09-25
15:55
Combined effective field theory interpretation of Higgs boson, electroweak vector boson, top quark, and multi-jet measurements
/CMS Collaboration
Constraints on the Wilson coefficients (WCs) corresponding to dimension-six operators of the standard model effective field theory (SMEFT) are determined from a simultaneous fit to seven sets of CMS measurements probing Higgs boson, electroweak vector boson, top quark, and multi-jet production. The measurements of the electroweak precision observables at LEP and SLC are also included and provide complementary constraints to those from CMS.
[...]
CMS-PAS-SMP-24-003.-
Geneva : CERN, 2024
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2024-09-24
18:37
Search for gammaH production in pp collisions at sqrt{s} = 13 and constraints on the Yukawa couplings of light quarks to the Higgs boson using data from the CMS detector
/CMS Collaboration
A search for $\gamma$H production is performed with the data from the CMS experiment at the LHC corresponding to an integrated luminosity of $138~\mathrm{fb}^{-1}$ at a proton-proton center-of-mass collision energy of $13~\mathrm{TeV}$. The analysis focuses on the topology of a boosted Higgs boson recoiling against a high-energy photon.
[...]
CMS-PAS-HIG-23-011.-
Geneva : CERN, 2024
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2024-09-24
16:50
Wasserstein normalized autoencoder
/CMS Collaboration
A novel approach to unsupervised jet tagging is presented for the CMS experiment at the CERN LHC. The Wasserstein normalized autoencoder (WNAE) is a normalized probabilistic model that minimizes the Wasserstein distance between the probability distribution of the training data and the Boltzmann distribution of the reconstruction error of the autoencoder.
[...]
CMS-PAS-MLG-24-002.-
Geneva : CERN, 2024
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2024-09-24
13:56
Search for medium-induced jet axis decorrelations with inclusive jets from PbPb collisions at $\sqrt{\smash[b]{s_{_{\mathrm{NN}}}}} = 5.02$ TeV
/CMS Collaboration
The angular correlation between two different jet axes for a given jet of $R = 0.4$, obtained by using two different clustering algorithms on the same collection of anti-$k_{\mathrm{T}}$ jets, is studied using lead-lead collision data at a center-of-mass energy per nucleon pair of 5.02 TeV. The dataset, corresponding to an integrated luminosity of $0.662~\mathrm{nb}^{-1}$, was collected with the CMS detector at the CERN LHC.
[...]
CMS-PAS-HIN-24-010.-
Geneva : CERN, 2024
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2024-09-24
13:53
Search for jet quenching signature using transverse momentum balance in high-multiplicity pPb collisions at the CMS detector
/CMS Collaboration
The first measurement of the dijet transverse momentum balance ($x_{j}$) in proton-lead (pPb) collisions at $\sqrt{s_{\text{NN}}}=8.16~\mathrm{TeV}$ is presented. The analysis uses data collected by the CMS detector in 2016, corresponding to an integrated luminosity of 174.6~$\,\text{nb}^\text{$-$1}$.
[...]
CMS-PAS-HIN-23-010.-
Geneva : CERN, 2024
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2024-09-22
22:32
Constraining nuclear parton dynamics with the first measurement of D0-photoproduction in ultraperipheral heavy-ion collisions at the LHC
/CMS Collaboration
This note presents the first measurement of photonuclear D$^0$ meson production in ultraperipheral heavy-ion collisions. The measurement uses 1.38 nb$^{-1}$ of data collected in lead-lead collisions by the CMS experiment at $\sqrt{s_\mathrm{NN}} = 5.36$ TeV.
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CMS-PAS-HIN-24-003.-
Geneva : CERN, 2024
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2024-09-22
13:21
The Bjorken-x evolution of fluctuating gluon fields probed via incoherent J/psi photoproduction in PbPb collisions at sqrt(sNN) = 5.02 TeV
/CMS Collaboration
The cross section for incoherent $\rm J/\psi$ photoproduction off lead nuclei is measured to probe the event-by-event fluctuations of the gluon field density within heavy nuclei across a broad range of Bjorken-$x$. Results are obtained using PbPb ultraperipheral collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV collected by the CMS experiment at the CERN LHC, corresponding to an integrated luminosity of 1.52 nb$^{-1}$.
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CMS-PAS-HIN-23-009.-
Geneva : CERN, 2024
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2024-09-22
13:20
Constraints on standard model effective field theory effects with Higgs bosons produced in association with W or Z bosons in the H$\rightarrow$b$\mathrm{\bar{b}}$ decay channel in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$
/CMS Collaboration
A standard model effective field theory (SMEFT) analysis with dimension-six operators is performed in the Higgsstrahlung process, where the Higgs boson is produced in association with a W or Z boson, in proton-proton collisions at a center-of-mass energy of $13~\mathrm{TeV}$. The final states where the W or Z boson decay leptonically and the Higgs boson decays to a pair of bottom quarks are considered.
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CMS-PAS-HIG-23-016.-
Geneva : CERN, 2024
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