{"total":27,"items":[{"citing_arxiv_id":"2605.23667","ref_index":8,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Ultra-Granular Calorimeter Performances for the Heavy Flavor Physics Program at the Z Peak","primary_cat":"math.AP","submitted_at":"2026-05-22T14:15:53+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"Performance study of the ILD silicon-tungsten calorimeter with timing for B and tau physics at the Z pole, highlighting pi0 reconstruction and genuine vs fake photon identification.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.19935","ref_index":34,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Probing the Rare Four-Bottom Higgs Decay $H\\to b\\bar b b\\bar b$ at the HL-LHC and ILC","primary_cat":"hep-ph","submitted_at":"2026-05-19T14:54:29+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"The rare Higgs decay H to four bottom quarks has a branching ratio of order 1.6e-3 with relevant destructive interference and is observable at 3-5 sigma at HL-LHC and ILC via boosted decision tree analyses in WH and ZH production.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.03063","ref_index":31,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"From Information Geometry to Jet Substructure: A Triality of Cumulant Tensors, Energy Correlators, and Hypergraphs","primary_cat":"hep-ph","submitted_at":"2026-05-04T18:33:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Higher-order Fisher tensors in exponential-family coordinates of binned energy correlators are simultaneously local KL coefficients, connected cumulants, and hyperedge weights, enabling hypergraph constructions for jet substructure analysis.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"Hard-scattering matrix elements are computed at lead- ing order (LO) withMadGraph5 aMC@NLO[27] using the Standard Model with CKM quark mixing (SM-CKMmodel). TheNNPDF3.1 nnlo as 0118 luxqedparton distribution function (PDF) set [28, 29] is adopted throughout. Parton showering and hadronization are performed withPythia 8[30], employing the CMSCP5underlying-event tune [31]. The resulting particle-level events are subsequently passed throughDelphes 3[32], a fast parametric detector simulation, configured with the official CMS detector card distributed with the package. The specific processes and their corresponding sample sises are described in the sections that follow. 6.2 Minimal Study of Local KL and Triplet Structure"},{"citing_arxiv_id":"2605.02848","ref_index":59,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Search for a new heavy scalar resonance decaying into the Higgs boson and a new scalar particle in the $\\mathrm{b}\\bar{\\mathrm{b}}\\mathrm{b}\\bar{\\mathrm{b}}$ final state using proton-proton collisions at $\\sqrt{s}$ = 13 TeV","primary_cat":"hep-ex","submitted_at":"2026-05-04T17:25:03+00:00","verdict":"ACCEPT","verdict_confidence":"MODERATE","novelty_score":5.0,"formal_verification":"none","one_line_summary":"No evidence found for a new heavy scalar resonance X decaying to Higgs plus new scalar Y in the four-bottom-quark final state; 95% CL upper limits set on cross section times branching fraction.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"Events with a Z boson pair decaying into hadrons, with up to one additional jet emitted at the matrix element level, are simulated with MADGRAPHat NLO precision and normalized to the cross section at NLO precision [58]. For all simulated samples, the parton shower and hadronization is performed withPYTHIA version 8.226 (2016) and 8.230 (2017-2018) [59], and GEANT4 [60] is used to model the CMS detector response. Contributions due to pileup are simulated and added to the signal and background samples. The simulated events, including both the signal and background samples, are weighted to match the number of pileup observed in the data. 5 Event selection and categorization Events passing a combination of L1 triggers that require the presence of one or more jets are"},{"citing_arxiv_id":"2605.00615","ref_index":32,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Observation of the rare decay $\\eta$ $\\to$ $\\mu^+\\mu^-$e$^+$e$^-$","primary_cat":"hep-ex","submitted_at":"2026-05-01T12:32:29+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":8.0,"formal_verification":"none","one_line_summary":"CMS observes η → μ⁺μ⁻e⁺e⁻ for the first time and measures its branching fraction as (2.4 ± 0.8) × 10^{-6}.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"This is achieved by requiring both electrons to be part of a reconstructed conversion. The electron identification criterion used for the signal events is not applied. A full MC simulation is needed for the signal and resonant background processes to more accurately model the expectedηmeson invariant mass shapes of both decay modes. The η→µ +µ−γprocess is simulated with aPYTHIA8.3 [32] \"particle gun\" with anηmesonp T and pseudorapidity distribution that covers the acceptance of the CMS detector, with the CP5 tune for the underlying event [33]. ThePYTHIAparticle gun uses a simple phase space model for the kinematic distributions of the decay products, rather than the more accurate VMD. There- fore, a reweighting is applied toη→µ +µ−γsimulated events to make the dimuon invariant"},{"citing_arxiv_id":"2604.27795","ref_index":36,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Search for light charged Higgs bosons decaying to charm and strange quarks in $\\mathrm{t\\bar{t}}$ events in proton-proton collisions at $\\sqrt{s}$ = 13 TeV","primary_cat":"hep-ex","submitted_at":"2026-04-30T12:40:10+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"No evidence found for light charged Higgs bosons in ttbar events; upper limits set on B(t to H±b) of 0.07-1.12% at 95% CL for masses 40-160 GeV assuming 100% decay to cs.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"We use the inclusive and exclusive productions of W+jets and Z/γ+jets as part of SM background. These samples are generated using MAD- GRAPH5 aMC@NLOat NLO. A relatively small contribution of SM background comes from diboson production (WW, WZ and ZZ) and multijet production in QCD samples enriched with muons or electrons, both generated at leading-order (LO) usingPYTHIA8.243 [36]. All samples are processed withPYTHIA8.243 to simulate parton showers and hadronization, using the CP5 tune [37] where the matching is performed using the MLM technique [38] for the LO samples and FxFx [39] for the NLO samples. All simulated samples are generated with the NNPDF3.1 NNLO parton distribution function (PDF) set [40]. The CMS detector response is simulated using GEANT4 [41]."},{"citing_arxiv_id":"2604.27091","ref_index":25,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Measurement of the top quark pair production cross section in PbPb collisions at $\\sqrt{s_\\mathrm{NN}}$ = 5.36 TeV","primary_cat":"nucl-ex","submitted_at":"2026-04-29T18:36:31+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"The ttbar production cross section in PbPb collisions at 5.36 TeV is measured as 3.42 +0.54-0.51 (stat) +0.50-0.43 (syst) μb and is consistent with NNLO pQCD predictions using nuclear PDFs.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"matrix element (ME) generators based on pQCD calculations at next-to-leading order (NLO) accuracy, emulating a mixture of pp, pn, and nn interactions in proportions corresponding to their relative abundances in lead nuclei (mass numberA=208). The ME generators employ the EPPS21 nlo nPDFs [23], which use the CT18ANLO PDF [24] as the proton parton density baseline. The generated events are then interfaced with thePYTHIA8.306 [25] parton shower (with the CP5 tune [26]) and are embedded in inelastic PbPb events simulated with theHYD- JET[27] MC generator. TheHYDJETmodel reproduces the effects of the underlying event (UE) measured in PbPb data. In doing so it does not alter the hard-scattering process simulated at the ME level, nor the decay products of the generated particles."},{"citing_arxiv_id":"2604.25678","ref_index":33,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Measurement of the Z $\\to$ $\\mu^+\\mu^-$ angular coefficients in pp collisions at $\\sqrt{s}$ = 13 TeV as functions of transverse momentum and rapidity","primary_cat":"hep-ex","submitted_at":"2026-04-28T14:08:50+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"New double-differential measurement of angular coefficients A0-A7 in Drell-Yan muon pair production in eight pT and two rapidity bins, compared to NNLO pQCD.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"applied for the 2016 and 2018 samples, andpµ T >29 (20) GeV for the 2017 sample. This selection is introduced to ensure an efficient and uniform response of the trigger in thep µ T region close to the triggerp T threshold. 3 Simulation and corrections To simulate the signal process, thePOWHEGv2.0 + MINNLO [31, 32] generator interfaced with PYTHIA8.240 [33] andPHOTOS++ [34] is used. By interfacing withPHOTOS++, quantum elec- trodynamics (QED) final state radiation (FSR) is considered at leading logarithmic precision, including matrix-element corrections and the effect of lepton pair production. The PDF set used is NNPDF3.1 [35] with the strong interaction coupling constant set toα S(mZ) =0.118, wherem Z is the mass of the Z boson."},{"citing_arxiv_id":"2604.25604","ref_index":39,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Search for electroweakinos in compressed-spectrum scenarios with low-momentum isolated tracks in proton-proton collisions at $\\sqrt{s}$ = 13 TeV","primary_cat":"hep-ex","submitted_at":"2026-04-28T13:09:44+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"No significant excess observed; 95% CL exclusion of higgsino electroweakinos with mass splittings 0.28-1.15 GeV and chargino masses up to 185 GeV using soft-track and neural-network selection.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"clustered using the anti-kT algorithm [35, 36] with a distance parameter of 0.4. Monte Carlo (MC) samples of SM background processes, including top quark pair production, W+jets, and Z+jets, are simulated at leading order (LO) in perturbative quantum chromody- namics using MADGRAPH5 aMC@NLO2.2.2 [37, 38], with up to four additional partons in the matrix element. ThePYTHIA8.240 [39] generator is used for parton showering, fragmenta- tion, and hadronization, with matching between jets from the matrix element and those from the parton shower. The CUETP8M1 [40] (CP5 [41]) underlying event tunes are used for back- ground samples, along with NNPDF3.0 LO [42] (NNPDF3.1 NNLO [43]) parton distribution functions for the 2016 (2017-2018) data-taking periods."},{"citing_arxiv_id":"2604.25557","ref_index":79,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Jarvis-HEP: A lightweight Python framework for workflow composition and parameter scans in high-energy physics","primary_cat":"hep-ph","submitted_at":"2026-04-28T12:28:55+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"Jarvis-HEP introduces a YAML-based Python framework for composing workflows and performing parameter scans in high-energy physics.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"5, A User-Friendly Framework for Collider Phenomenology, Comput. Phys. Commun. 184 (2013) 222-256.arXiv:1206.1599,doi:10. 1016/j.cpc.2012.09.009. 30 [78] A. Denner, S. Dittmaier, L. Hofer, Collier: a fortran-based Complex One-Loop LIbrary in Extended Regularizations, Comput. Phys. Com- mun. 212 (2017) 220-238.arXiv:1604.06792, doi:10.1016/j.cpc.2016.10.013. [79] T. Sjöstrand, S. Ask, J. R. Christiansen, R. Corke, N. Desai, P. Ilten, S. Mrenna, S. Pres- tel, C. O. Rasmussen, P. Z. Skands, An intro- duction to PYTHIA 8.2, Comput. Phys. Com- mun. 191 (2015) 159-177.arXiv:1410.3012, doi:10.1016/j.cpc.2015.01.024. [80] M. Dobbs, J. B. Hansen, The HepMC C++ Monte Carlo event record for High En- ergy Physics, Comput."},{"citing_arxiv_id":"2604.25538","ref_index":74,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Simultaneous measurements of $N$-subjettiness observables in jets from gluons and light-flavour quarks, and in decays of boosted W bosons and top quarks","primary_cat":"hep-ex","submitted_at":"2026-04-28T12:04:54+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"CMS reports a simultaneous measurement of 25 N-subjettiness observables in 1-, 2-, and 3-prong jets, unfolded to stable particles with particle-level correlations for QCD modeling.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"Carlo (MC) event generators and normalized to the corresponding total integrated luminosity. The various event generators simulating the hard scattering are interfaced with parton shower and hadronization programs, followed by a full simulation of the CMS detector based on the GEANT4 package [72, 73]. All simulated samples, unless otherwise noted, are showered in PYTHIA8.240 [74] using the CP5 tune [75] with a value of the strong coupling at the Z pole mass, αS(m2 Z) =0.118. Samples showered withHERWIG7.2.2 [76, 77] use the CH3 tune [78], which 7 relies on values of the strong couplingα S(m2 Z) =0.118 for the parton shower andα S(m2 Z) = 0.130 for the modelling of multiple parton interactions (MPIs) and to handle beam remnants."},{"citing_arxiv_id":"2604.24531","ref_index":37,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Search for associated production of a Higgs boson and two vector bosons via vector boson scattering at $\\sqrt{s}$ = 13 TeV","primary_cat":"hep-ex","submitted_at":"2026-04-27T14:30:10+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"CMS excludes κ_VV outside 0.40-1.60 at 95% CL and constrains κ_2W and κ_2Z using VBS events with a boosted Higgs to bb decay.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"cation rates of 10, 1, and 0.1%, and efficiencies of about 92, 75, and 58%, respectively. The AK4 jets withp T >30 GeV and|η|<4.7 are considered as VBS jet candidates. We model VBS VVH events and calculate the corresponding production cross sections at LO using the MADGRAPH5 aMC@NLOv2.6.5 [8] Monte Carlo event generator. The generator is interfaced withPYTHIAv8.240 [37] for the simulation of boson decays, using the dipole recoil 3 scheme to correctly emulate the color structure [38]. To simulate events with differentκ 2V values, the event reweighting feature of MADGRAPH5 aMC@NLO[39] is employed. Background simulation is used in the optimization of the analysis, while data-driven methods are used for the purpose of modelling the data in all channels."},{"citing_arxiv_id":"2604.20999","ref_index":45,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Search for dark matter produced in association with a dark Higgs boson decaying into a bottom quark-antiquark pair in proton-proton collisions at $\\sqrt{s}$ = 13 TeV","primary_cat":"hep-ex","submitted_at":"2026-04-22T18:41:48+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"New upper limits exclude mediator masses up to 4.5 TeV for a 50 GeV dark Higgs and up to 2.5 TeV for 150 GeV in a spin-1 mediator dark matter model, the most stringent to date for these masses.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"a lepton is required in the final state, the lepton from the vector boson decay is identified and Uis equivalent to the magnitude of the vector sum of ⃗p miss T and the lepton ⃗pT. 3 Simulated samples Samples of Monte Carlo simulated events are used to predict the signal and background con- tributions. In all cases, parton showering, hadronization, and underlying event properties are modeled usingPYTHIA[45] version 8.202 or later with the underlying event tune CUETP8M1 or CP5 [46], based on the data-taking year. The simulation of the interactions between the par- ticles and the CMS detector is based on GEANT4 [47]. The NNPDF 3.0 [48] and NNPDF 3.1 [49] next-to-next-to-leading order (NNLO) parton distribution functions are used for the generation of all samples based on the year of data collection."},{"citing_arxiv_id":"2604.19288","ref_index":69,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Geometric Bias and Centrality Dependence of Jet Quenching in High-Energy Nuclear Collisions","primary_cat":"nucl-th","submitted_at":"2026-04-21T09:53:54+00:00","verdict":null,"verdict_confidence":null,"novelty_score":null,"formal_verification":null,"one_line_summary":null,"context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"centrality bins are defined using Ncoll or Npart in our initial condition model. Subsequently, we will combine thisR bias AA factor with effects of parton energy loss to provide a comprehensive picture of the centrality dependence of the charged hadronR AA observed in experiments. 3. Jet parton production, evolution, and hadronization 3.1. Scale-segmented evolution of jet partons In this work, we employ the Pythia 8 [ 67-69] event generator to simulate the high- pT hadron production in pp collisions. This involves processes of the initial hard partonic scatterings that generate high-pT partons, their splittings (showers) in vacuum from their initial high virtualities down to the hadronization scale ( Qh = 0.5 GeV), and their subsequent string fragmentation into hadrons."},{"citing_arxiv_id":"2604.14236","ref_index":22,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Search for heavy resonances decaying into four-lepton final states via light bosons in proton-proton collisions at $\\sqrt{s}$ = 13 TeV","primary_cat":"hep-ex","submitted_at":"2026-04-14T22:17:26+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"No significant excess observed in four-lepton events from heavy resonances, setting upper limits on production cross sections for dilepton masses 0.4-15 GeV using novel merged-object techniques.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"negative vector sum of the transverse momenta (p T) of all the PF candidates in an event, and its magnitude is denoted asp miss T [20]. The ⃗p miss T is modified to account for corrections to the energy scale of the reconstructed jets in the event [21]. The benchmark signal events X→YY→4ℓand X→ZY→4ℓare generated using the PYTHIA8.240 Monte Carlo (MC) event generator [22] for eachm X =250, 500, 750, 1000, 1500, 2000 GeV andm Y =0.4, 0.6, 0.8, 1, 1.5, 2, 5, 10, 50, 100 GeV. Signal events withm Y =250, 500, 750, 1000, 1500 GeV are also generated if kinematically allowed. A narrow-width approxima- tion is assumed form X andm Y by setting the width-to-mass ratio to 10−4, such that the detector dominates their reconstructed invariant mass distributions."},{"citing_arxiv_id":"2604.13320","ref_index":20,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Highly boosted dielectron identification in proton-proton collisions at $\\sqrt{s}$ = 13 TeV","primary_cat":"hep-ex","submitted_at":"2026-04-14T21:56:57+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"CMS develops two multivariate models for identifying boosted dielectrons with γ_L > 20, reporting 80% efficiency for two-track cases from J/ψ data and 60% for single-track from Z conversions, plus an energy correction.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"known as the high-level trigger (HLT), consists of a farm of processors running a version of the full event reconstruction software optimized for fast processing, and reduces the event rate to a few 1 kHz before data storage [12]. 3 3 Simulated events To study the signature of highly boosted dielectron pairs originating from potential BSM pro- cesses, signal events are generated using thePYTHIA8.240 Monte Carlo (MC) event gener- ator [20] with benchmark models pp→X→YY→4e, where X and Y are bosons with mX =250, 750, 2000 GeV andm Y =1, 10 GeV. Physics processes containing isolated elec- trons are used for backgrounds; W boson production, Drell-Yan (DY), and t t pair production processes are generated using the MADGRAPH5 aMC@NLOv2.6.5 MC event generator [21]. A B± →J/ψK ± →e +e−K± MC sample is generated usingPYTHIA, interfaced with theEVTGEN"},{"citing_arxiv_id":"2604.10729","ref_index":45,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Search for a new heavy resonance decaying to a top quark and a neutral scalar boson in proton-proton collisions at $\\sqrt{s}$ = 13 TeV","primary_cat":"hep-ex","submitted_at":"2026-04-12T17:02:10+00:00","verdict":"ACCEPT","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"No excess found in search for T' to top plus phi; excludes T' masses 0.85-1.3 TeV at 95% CL for SM Higgs case with 5% width, and sets cross-section limits as low as 0.1 fb.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"5, respec- tively) is used at leading order accuracy. The simulated QCD multijet samples are only used for checks of self-consistency of the background estimate and do not enter in the final likelihood model used to extract results. Hadronization and parton showering are simulated using thePYTHIA(version 8.240) soft- ware package [44]. The NNPDF3.1 [45] parton distribution functions (PDFs) at next-to-next- to-leading order accuracy are used with the CP5 [46] underlying event tune for all simulations. The CMS detector simulation is performed with GEANT4 [47]. To simulate the effect of pileup, additional simulated inelastic pp collisions are superimposed on the hard scattering process usingPYTHIA. Simulated samples are reweighted to correct the"},{"citing_arxiv_id":"2604.09809","ref_index":62,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Particle transformers for identifying Lorentz-boosted Higgs bosons decaying to a pair of W bosons","primary_cat":"hep-ex","submitted_at":"2026-04-10T18:33:27+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"PaRT achieves >50% tagging efficiency for boosted H->WW jets at 1% background efficiency, decorrelated from jet mass, with data-to-simulation scale factors of 0.9-1.0 on 138 fb^{-1} of 13 TeV collisions.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"decays where the ratiom W/mt may be different from the SM value. The G and Z ′ particles are used purely as convenient means to produce and control the kinematic properties of H and t jets and do not otherwise influence PART training. The masses of the particles considered in H and t jet simulations are summarized in Table 1. The QCD multijet events are simulated at LO usingPYTHIA8.205 [62] with the jetp T sampled from different ranges to ensure broad coverage in jet mass andp T. The \"ghost association\" method [63] is employed to determine the flavor of the partons that produce the jets, wherein reconstructed jets are reclustered with the final generated b or c hadrons in their decay chains. Their four-momenta are adjusted to preserve only directional information without affecting the"},{"citing_arxiv_id":"2604.05996","ref_index":26,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Search for soft unclustered energy patterns produced in association with a W or Z boson in proton-proton collisions at $\\sqrt{s}$ = 13 TeV","primary_cat":"hep-ex","submitted_at":"2026-04-07T15:21:23+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"No significant excess is observed in leptonic W/Z plus high-multiplicity soft-particle events, setting limits on Higgs to SUEP decays across a range of model parameters.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"In the simulation, the H boson decay produces a SUEP shower composed of multiple dark mesons (ϕD). Each dark meson decays to a pair of dark photons (A′) through an effectiveϕ DA′µνA′ µν interaction. The dark photons decay to visible SM particles through kinetic mixing with the SM photon [24, 25]. The signal process is simulated at leading order (LO) withPYTHIA8.240 [26] using the BSM Higgs boson library, with the H boson mass set to 125 GeV [26]. The production of dark mesons in the SUEP shower is simulated using a plugin based on Ref. [13], which models the SUEP shower as an isotropic emission of dark mesons with Boltzmann-distributed transverse momentump T. The param- eters probed in the model are the mass of the dark mesonm ϕD, the Boltzmann temperature"},{"citing_arxiv_id":"2604.02604","ref_index":42,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Probing Freeze-In Dark Matter via a Spin-2 Portal at the LHC with Vector Boson Fusion and Machine Learning","primary_cat":"hep-ph","submitted_at":"2026-04-03T00:47:19+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"LHC vector boson fusion searches enhanced by machine learning can probe substantial regions of cosmologically viable parameter space for freeze-in dark matter mediated by a spin-2 particle.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"GeV and for different benchmark choices of Λ γ and Λχ. q ¯q g g ¯ω ω Z/ε → q ¯q q ¯q ¯ω ω W→ W Z/ε → FIG. 3. Representative Feynman diagrams ofpp→ν¯ν+jets SM background production at the LHC. q q ¯q ¯q ω ¯ω ε→ ε→ G→ FIG. 4. Representative Feynman diagram ofpp→χχjjsig- nal production via photon-photon fusion at the LHC. The parton-level events are interfaced withPythia 8.2.30[42, 43] for parton showering and hadronization. Detector effects are modeled usingDelphes 3.4.1[44], adopting a CMS detector configuration for object re- construction and identification. Jets are clustered with the anti-k T algorithm [45] as implemented inFastJet 3.4.2[46], using a radius parameterR= 0.4. Matching between matrix-element partons and parton-shower jets"},{"citing_arxiv_id":"2512.00502","ref_index":25,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Measurements of electroweak production of a photon in association with two jets in proton-proton collisions at $\\sqrt{s}$ = 13 TeV","primary_cat":"hep-ex","submitted_at":"2025-11-29T14:16:21+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"First observation of electroweak photon plus two jets production yields a cross section of 202 fb consistent with the standard model prediction of 177 fb at greater than 5 sigma significance.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2511.19563","ref_index":34,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Search for light pseudoscalar bosons, pair-produced in Higgs boson decays in the four-electron final state in proton-proton collisions at $\\sqrt{s}$ = 13 TeV","primary_cat":"hep-ex","submitted_at":"2025-11-24T15:36:17+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"No excess observed; first LHC search sets 95% CL upper limits on H to AA to 4e branching fraction down to 10^{-5} for 10-100 MeV masses and short lifetimes.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2511.17310","ref_index":32,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Search for new physics in the final state with a single photon and large missing transverse momentum in proton-proton collisions at $\\sqrt{s}$ = 13 TeV","primary_cat":"hep-ex","submitted_at":"2025-11-21T15:25:58+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Combined LHC data shows no deviation from the standard model in single-photon plus missing momentum events, establishing the strongest limits to date on simplified dark matter models and large extra dimensions.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2511.16394","ref_index":67,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Search for Higgsinos in final states with low-momentum lepton-track pairs at 13 TeV","primary_cat":"hep-ex","submitted_at":"2025-11-20T14:13:31+00:00","verdict":null,"verdict_confidence":null,"novelty_score":null,"formal_verification":null,"one_line_summary":null,"context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2509.13759","ref_index":45,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Measurement of the $W$-boson angular coefficients and transverse momentum in $pp$ collisions at $\\sqrt{s}=$ 13 TeV with the ATLAS detector","primary_cat":"hep-ex","submitted_at":"2025-09-17T07:15:57+00:00","verdict":"ACCEPT","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"ATLAS reports the first measurement of the complete angular coefficients and pT-differential cross sections for W+ and W- bosons in full lepton phase space at 13 TeV, finding agreement with QCD predictions up to order α_S².","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"1804.04528","ref_index":23,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Performance of the CMS muon detector and muon reconstruction with proton-proton collisions at $\\sqrt{s}=$ 13 TeV","primary_cat":"physics.ins-det","submitted_at":"2018-04-12T14:19:59+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"The CMS muon detector after upgrades performs to design specifications or better in 13 TeV collisions, with measurements of resolution, efficiency, and timing matching simulations.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"background samples of W+jets and of tt pairs with one or more jets (tt +jets) are also produced with the same generator. The background from single top quark tW production is generated at NLO with POWHEG v1.0 [20]. The PYTHIA 8.212 [21, 22] package is used for QCD events 11 enriched in muon decays, parton showering, hadronization, and simulation of the underlying event via tune CUETP8M1 [23], using NNPDF2.3 LO [24] as the default set of parton distribu- tion functions. For all processes, the detector response is simulated using a detailed description of the CMS detector based on the GEANT 4 package [25] and event reconstruction is performed with the same algorithms as used for the data. The simulated samples include pileup, and the events are weighted so that the pileup distribution matches the 2015 data, having an average"},{"citing_arxiv_id":"1706.04965","ref_index":42,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Particle-flow reconstruction and global event description with the CMS detector","primary_cat":"physics.ins-det","submitted_at":"2017-06-15T17:02:16+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"CMS implemented a particle-flow algorithm that reconstructs a complete list of final-state particles per collision, delivering superior performance for jets, hadronic taus, missing transverse momentum, and lepton identification up to 20 pileup interactions.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"(s) = 8 TeV\", JINST 10 (2015) P08010, doi:10.1088/1748-0221/10/08/P08010, arXiv:1502.02702. [40] S. Baffioni et al., \"Electron reconstruction in CMS\", Eur. Phys. J. C 49 (2007) 1099, doi:10.1140/epjc/s10052-006-0175-5 . [41] T. Sj ¨ostrand, S. Mrenna, and P . Skands, \"PYTHIA 6.4 physics and manual\", JHEP 05 (2006) 026, doi:10.1088/1126-6708/2006/05/026, arXiv:hep-ph/0603175. [42] T. Sj ¨ostrand et al., \"An introduction to PYTHIA 8.2\", Comput. Phys. Commun. 191 (2015) 159, doi:10.1016/j.cpc.2015.01.024, arXiv:1410.3012. [43] M. Cacciari, G. P . Salam, and G. Soyez, \"The anti-kt jet clustering algorithm\", JHEP 04 (2008) 063, doi:10.1088/1126-6708/2008/04/063, arXiv:0802.1189. [44] M. Cacciari, G. P . Salam, and G. Soyez, \"FastJet user manual\", Eur."}],"limit":50,"offset":0}