A. Li

Evidence of ZZ $γ$ production and observation of $4 ℓ γ$ in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

Evidence of the production of two Z bosons and a photon in proton-proton collisions is reported for the first time in CMS. The analysis uses data collected by the CMS experiment be…

Search for Higgs boson pair production in the $b b ˉ WW$ decay channel with two leptons in the final state using proton-proton collision data at $s$ = 13.6 TeV

CMS Collaboration

A search for Higgs boson pair production is presented, targeting final states where one Higgs boson decays to a pair of bottom quarks and the other Higgs boson decays to two W boso…

Search for pair production of heavy resonances in final states with a photon and large-radius jets in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for the pair production of heavy spin-1/2 or spin-3/2 resonances (t $^{*}$ ) in proton-proton collisions at $s$ = 13 TeV is presented. Data collected with the CMS detec…

Measurement of B meson production fraction ratios in proton-proton collisions at $s$ = 13 TeV using open-charm and charmonium decays

CMS Collaboration

Production fraction ratios of B $^{+}$ , B $^{0}$ , and B $_{s}^{0}$ mesons are measured in proton-proton collisions at $s$ = 13 TeV using a special data set recorded in 2018 wi…

hep-ex2026★ 1 cited

Search for heavy long-lived charged particles with level-1 trigger scouting data from proton-proton collisions at $s$ = 13.6 TeV

CMS Collaboration

A search for heavy long-lived charged particles at the LHC is presented. Particles interacting with the CMS muon detector across several bunch crossings are searched for using a da…

Search for dark matter produced in association with a Higgs boson decaying to bottom quarks in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for dark matter particles produced in association with a Higgs boson decaying to a bottom quark-antiquark pair in proton-proton collisions at $s$ = 13 TeV is presen…

Measurement of the Higgs boson total decay width using the H $\to$ WW $\to$ e $ν μν$ decay channel in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

The Higgs boson (H) decay width is determined from the ratio of off- and on-shell production of H $\to$ WW $\to$ e $ν μν$ using proton-proton collision data corresponding to an integ…

Characterization of the quantum state of top quark pairs produced in proton-proton collisions at $s$ = 13 TeV using the beam and helicity bases

CMS Collaboration

Measurements of the spin correlation coefficients in the beam basis are presented for top quark-antiquark ( $t t ˉ$ ) systems produced in proton-proton collisions at $\sq…

Precision measurement of CP violation and branching fractions in $B^{\pm} \to K_{S}^{0} h^{\pm}$ $(h = π, K)$ decays and search for the rare decay $B_{c}^{\pm} \to K_{S}^{0} K^{\pm}$

R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta +1177

The decay $B^{\pm} \to K_{S}^{0} π^{\pm}$ , with a $C P$ asymmetry expected to be close to zero in the Standard Model, is theoretically clean and sensitive to potential new ph…

Measurement of the branching fractions and longitudinal polarisations of $B_{(s)}^{0} \to K^{* 0} K^{* 0}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1183

A time- and flavour-integrated amplitude analysis of $B^{0}$ and $B_{s}^{0}$ decays to the $(K^{+} π^{-}) (K^{-} π^{+})$ final state in the $K^*(892)^0 \kern 0.18em \overline{\kern -0.18em K}{}^{*}…

Search for new physics in the final state with a single photon and large missing transverse momentum in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for new physics in events featuring a single photon and missing transverse momentum is presented, using proton-proton $s$ = 13 TeV collision data corresponding to a…

Search for Higgsinos in final states with low-momentum lepton-track pairs at 13 TeV

CMS Collaboration

We present a search for the pair production of Higgsinos in final states with large missing transverse momentum and either two reconstructed muons or a reconstructed lepton (muon o…

Inclusive and differential measurements of the $t t ˉ γ$ cross section and the $t t ˉ γ$ / $t t ˉ$ cross section ratio in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

Inclusive and differential cross section measurements of top quark pair ( $t t ˉ$ ) production in association with a photon ( $γ$ ) are performed as a function of lepton, p…

Search for single production of a vector-like T quark decaying to a top quark and a neutral scalar boson in the lepton+jets final state in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for single production of a vector-like T quark with charge 2 $e$ /3, decaying to a top quark and a neutral scalar boson is presented. The boson can be a standard model Higgs…

hep-ex2025★ 2 cited

Measurement of the ratio of the B $_{c}^{+}$ $\to$ J/ $ψ$ $τ^{+} ν_{τ}$ and B $_{c}^{+}$ $\to$ J/ $ψ$ $μ^{+} ν_{μ}$ branching fractions using three-prong $τ$ lepton decays

CMS Collaboration

The ratio between the B $_{c}^{+}$ $\to$ J/ $ψ$ $τ^{+} ν_{τ}$ and B $_{c}^{+}$ $\to$ J/ $ψ$ $μ^{+} ν_{μ}$ branching fractions is measured using a data sample of proton-proton collisions…

Wasserstein normalized autoencoder for anomaly detection

CMS Collaboration

A novel anomaly detection algorithm is presented. The Wasserstein normalized autoencoder (WNAE) is a normalized probabilistic model that minimizes the Wasserstein distance between…

DeepMET: Improving missing transverse momentum estimation with a deep neural network

CMS Collaboration

At hadron colliders, the net transverse momentum of particles that do not interact with the detector (missing transverse momentum, $p_{T}^{miss}$ ) is a crucial ob…

General search for supersymmetric particles in scenarios with compressed mass spectra using proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A general search is presented for supersymmetric particles (sparticles) in scenarios featuring compressed mass spectra using proton-proton collisions at a center-of-mass energy of…

Search for charged lepton flavor violating Z and Z' boson decays in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for flavor violating decays of the Z boson to charged leptons is performed using data from proton-proton collisions at $s$ = 13 TeV collected with the CMS detector…

Search for b hadron decays to long-lived particles in the CMS endcap muon detectors

CMS Collaboration

A search for long-lived particles originating from the decay of b hadrons produced in proton-proton collisions with a center-of-mass energy of 13 TeV at the LHC is presented. The a…

hep-ex2025★ 2 cited

Search for $C P$ violation in events with top quarks and Z bosons at $s$ = 13 and 13.6 TeV

CMS Collaboration

A search for the violation of the charge-parity ( $C P$ ) symmetry in the production of top quarks in association with Z bosons is presented, using events with at least three charged…