{"total":21,"items":[{"citing_arxiv_id":"2605.19546","ref_index":31,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Top Pair Threshold Revisited","primary_cat":"hep-ph","submitted_at":"2026-05-19T08:42:43+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Updated non-relativistic Green's function formalism for ttbar threshold production gives a below-threshold cross section of order 6.5 pb matching recent LHC excess observations.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.16036","ref_index":12,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"The Monte Carlo Ecosystem in High-Energy Physics: A Primer","primary_cat":"hep-ph","submitted_at":"2026-05-15T15:11:09+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":0.0,"formal_verification":"none","one_line_summary":"A primer that surveys the architecture, methodologies, computational challenges, and future trajectory of the Monte Carlo event generator ecosystem in collider physics.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"tent, parameters, and interaction vertices that define the hard scattering. In other words, before generating any events, we must decidewhat theory we are simulatingandwhich inter- actions are allowed. In practice, this information may come from a built-in model implemen- tation, or be derived from a user-provided Lagrangian using tools such asFeynRules[12], SARAH[13], orLanHEP[14], which export models in theUFO[15, 16]format for use within matrix-element generators. Once the model is fixed, the hard-scattering step specifies the partonic process and provides the corresponding matrix elements. From these, parton-level events are generated according to the fully differential partonic cross-section. At leading order (LO)7, the task reduces to a familiar problem from quantum field theory:"},{"citing_arxiv_id":"2605.13953","ref_index":54,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Logarithmically-accurate showers with massive quarks","primary_cat":"hep-ph","submitted_at":"2026-05-13T18:00:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"PanScales final-state showers now include quark masses at NLL accuracy while keeping original accuracy for massless observables.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.13257","ref_index":32,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"NLO QCD and parton-shower effects for Higgs-boson production in association with a hard photon via vector-boson fusion","primary_cat":"hep-ph","submitted_at":"2026-05-13T09:40:20+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"NLO QCD plus parton-shower matched implementation for VBF Higgs plus photon production, with studies showing small shower effects on Higgs observables and larger effects on sub-leading jets.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"The masses and widths of the EW bosons are set to [31] mZ = 91.1880 GeV,Γ Z = 2.4955 GeV,(3.1) mW = 80.3692 GeV,Γ W = 2.085 GeV.(3.2) mH = 125.20 GeV,Γ H = 3.7 MeV.(3.3) We assume five active quark flavors and a diagonal form of the Cabibbo-Kobayashi- Maskawa matrix. For the parton distribution functions (PDFs) we use the PDF4LHC21 40 set as provided by version 6.5.3 of theLHAPDFlibrary [32] together with the corresponding value of the strong couplingα s. Jets are reconstructed with the anti-k T algorithm [33] as implemented within theFastJettool [34] (version 3.4.3), with a radius-parameter of R= 0.4. For the renormalization scale,µ R =ξ Rµ0, and factorization scale,µ F =ξ Fµ0, we use µ2 0 = mH 2 r m2 H 4 +p 2 T,H .(3.4) Below, the factorsξ R andξ F are varied between 0."},{"citing_arxiv_id":"2605.12490","ref_index":6,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"DNN predictions for pp reference $p_\\mathrm{T}$ spectra at unmeasured $\\sqrt{s}$","primary_cat":"hep-ex","submitted_at":"2026-05-12T17:59:21+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"A deep neural network interpolates and extrapolates proton-proton reference transverse-momentum spectra to unmeasured center-of-mass energies using ALICE LHC data.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.04150","ref_index":20,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Proton-Proton to Antinucleon Cross Sections for Cosmic Ray Applications","primary_cat":"hep-ph","submitted_at":"2026-05-05T18:00:05+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"NLO perturbative QCD calculations predict only a mild few-percent excess of antineutrons over antiprotons in pp collisions, not supporting the ~30% excess reported by NA49.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":", \"Precision cross-sections for advancing cosmic-ray physics and other applications: a comprehensive programme for the next decade,\" 2503.16173 (3, 2025) , arXiv:2503.16173 [astro-ph.HE]. [19] C. Evoli, I. Cholis, D. Grasso, L. Maccione, and P. Ullio, \"Antiprotons from dark matter annihilation in the Galaxy: astrophysical uncertainties,\" Phys. Rev. D85(2012) 123511, arXiv:1108.0664 [astro-ph.HE]. [20] Y. G' enolini, M. Boudaud, M. Cirelli, L. Derome, J. Lavalle, D. Maurin, P. Salati, and N. Weinrich, \"New minimal, median, and maximal propagation models for dark matter searches with Galactic cosmic rays,\" Phys. Rev. D104no. 8, (3, 2021) 083005, arXiv:2103.04108 [astro-ph.HE]. [21] F. Calore, M. Cirelli, L. Derome, Y. Genolini, D. Maurin, P. Salati, and P."},{"citing_arxiv_id":"2605.02342","ref_index":17,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Measurement of isolated-prompt photon$-$hadron correlations in Pb$-$Pb collisions at $\\mathbf{\\sqrt{\\textit{s}_{\\rm NN}} = 5.02}$ TeV","primary_cat":"nucl-ex","submitted_at":"2026-05-04T08:44:58+00:00","verdict":"ACCEPT","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"ALICE observes strong suppression of associated hadron yields per trigger photon in central Pb-Pb collisions at 5.02 TeV, extending the kinematic reach of photon-hadron correlation measurements.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"high-pT hadron suppression in Au+Au collisions at ultrarelativistic energies\",Phys. Rev. Lett.91 (2003) 172302,arXiv:nucl-ex/0305015 [nucl-ex]. [16]PHENIXCollaboration, A. Adareet al., \"Suppression pattern of neutral pions at high transverse momentum in Au+Au collisions at √sNN =200 GeV and constraints on medium transport coefficients\",Phys. Rev. Lett.101(2008) 232301,arXiv:0801.4020 [nucl-ex]. [17]PHENIXCollaboration, A. Adareet al., \"Neutral pion production with respect to centrality and reaction plane in Au+Au collisions at √sNN =200 GeV\",Phys. Rev. C87(2013) 034911, arXiv:1208.2254 [nucl-ex]. [18]ALICECollaboration, S. Acharyaet al., \"Transverse momentum spectra and nuclear modification factors of charged particles in pp, p-Pb and Pb-Pb collisions at the LHC\",JHEP11(2018) 013,"},{"citing_arxiv_id":"2604.11574","ref_index":19,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"SemiCharmTag: a tool for Semileptonic Charm tagging","primary_cat":"hep-ex","submitted_at":"2026-04-13T14:52:52+00:00","verdict":null,"verdict_confidence":null,"novelty_score":null,"formal_verification":null,"one_line_summary":null,"context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":", Charm production and fragmentation fractions at midrapidity in pp collisions at √s = 13 TeV , JHEP 12 (2023) 086, arXiv:2308.04877. [18] ALEPH, DELPHI, L3, OPAL, SLD, LEP Electroweak Working Group, SLD Elec- troweak Group, SLD Heavy Flavour Group, S. Schaelet al., Precision electroweak mea- surements on the Z resonance, Phys. Rept. 427 (2006) 257, arXiv:hep-ex/0509008. [19] P. Skands, S. Carrazza, and J. Rojo, Tuning PYTHIA 8.1: the Monash 2013 Tune , Eur. Phys. J. C 74 (2014) 3024, arXiv:1404.5630. [20] T. Sj¨ ostrandet al., An introduction to PYTHIA 8.2 , Comput. Phys. Commun. 191 (2015) 159, arXiv:1410.3012. [21] J. Bellm et al., Herwig 7.0/Herwig++ 3.0 release note , Eur. Phys. J. C 76 (2016) 196, arXiv:1512.01178."},{"citing_arxiv_id":"2604.07968","ref_index":28,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Multiplicity dependence of prompt and non-prompt J/$\\psi$ production at midrapidity in pp collisions at $\\sqrt{s} = 13$ TeV","primary_cat":"hep-ex","submitted_at":"2026-04-09T08:32:37+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Self-normalized yields of prompt and non-prompt J/ψ increase stronger than linearly with charged-particle multiplicity in pp collisions at 13 TeV, with stronger effect in the toward azimuthal region.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"In contrast, electrons from W boson decays in pp collisions at √s=13 TeV show a near-linear increase [32]. The yield ratios of excited-to-ground quarkonium states have also been measured in pp collisions by 2 Multiplicity-dependent prompt and non-prompt J/ψproduction at √s=13 TeV ALICE Collaboration ALICE [22, 23], LHCb [33, 34] and CMS [35] at the LHC, and by PHENIX [26] and STAR [28] at RHIC. ALICE, PHENIX and STAR results show a trend compatible with a flat behaviour, while the more precise measurements by LHCb and CMS of the prompt charmonium and bottomonium yield ratios indicate a decrease of these ratios as a function of multiplicity. CMS has also measured in pp collisions at √s=7 TeV [35] theϒ(nS)ratios as a function of the multiplicity in the azimuthal direction"},{"citing_arxiv_id":"2604.07961","ref_index":47,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Dijet invariant mass of charged-particle jets in pp and p-Pb collisions at $\\sqrt{s_{\\rm NN}} = 5.02$ TeV","primary_cat":"nucl-ex","submitted_at":"2026-04-09T08:22:50+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"The first measurement of charged-particle dijet invariant mass spectra shows no significant nuclear modification in p-Pb collisions at low masses.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"with detector performance simulations. The particles used to simulate the detector performance during the p-Pb collisions were simulated using the PYTHIA6 MC even t generator [44] with the Perugia 2011 tune [45], while the particles for the detector performance simulations for the pp collisions were sim- ulated using the PYTHIA8 MC event generator [46] with the Mon ash 2013 tune [47]. The simulated particles were propagated through the detector material us ing GEANT3 [48], giving access to simulated detector signals which undergo the same event reconstructi on and tracking steps as the real signal. The dijet mass analysis is performed both on charged hadrons dir ectly from the MC (MC truth) and charged 3 Dijet invariant mass of charged-particle jets in pp and p-Pb ALICE Collaboration"},{"citing_arxiv_id":"2511.23091","ref_index":45,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Measurement of the top-quark mass using decays with a $J/\\psi$ meson at $\\sqrt{s}=$13 TeV with the ATLAS detector","primary_cat":"hep-ex","submitted_at":"2025-11-28T11:23:03+00:00","verdict":"ACCEPT","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Top quark mass measured at 172.17 ± 1.56 GeV via unbinned maximum-likelihood fit to m(ℓ μ⁺μ⁻) in ATLAS Run 2 data using J/ψ decays.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"all emissions, compensating for the leading-order (LO) precision used inPowheg-hvqto simulate the top-quark decay. The𝑝hard T parameter inPythiathat affects the matching of the PS to the ME calculation was set to zero. The recoil target for secondary gluon emissions from the𝑏-quark in the𝑡→𝑊 𝑏 vertex, was assigned to the𝑏-quark.2 The A14 tune ofPythia8 is based on the Monash tune [45] of PS and multiple parton interactions (MPI) parameters that leaves the hadronisation parameters at their default values and uses the Lund-Bowler 2 This corresponds to the settingrecoil-to-colour=ONin the TimeShower inPythia. 4 fragmentation model [46]: 𝑓(𝑧)= 1 𝑧1+𝑏𝑟𝑏 𝑚2 𝑏 (1−𝑧) 𝑎 exp(−𝑏𝑚 2 T/𝑧), where 𝑎, 𝑏 and 𝑟𝑏 are the functionparameters,𝑚𝑏 is the𝑏-quark mass, 𝑚T ="},{"citing_arxiv_id":"2511.01995","ref_index":44,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Inclusive and differential measurements of the $\\mathrm{t\\bar{t}}\\gamma$ cross section and the $\\mathrm{t\\bar{t}}\\gamma$ / $\\mathrm{t\\bar{t}}$ cross section ratio in proton-proton collisions at $\\sqrt{s}$ = 13 TeV","primary_cat":"hep-ex","submitted_at":"2025-11-03T19:08:32+00:00","verdict":"ACCEPT","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"CMS reports fiducial and differential ttγ cross sections plus ttγ/tt ratios at 13 TeV that agree with Standard Model expectations within uncertainties.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2510.26260","ref_index":249,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Letter of Intent: The Forward Physics Facility","primary_cat":"hep-ex","submitted_at":"2025-10-30T08:40:59+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Proposes construction of the Forward Physics Facility at the HL-LHC with four complementary detectors to exploit forward neutrinos and new-particle fluxes for neutrino, QCD, astroparticle, and dark-matter measurements.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"In both panels, we also show existing bounds (gray shaded regions) and projected sensitivities of other experiments (dashed contours), including millicharged particle searches at BEBC [231], SLAC [232], LEP [233, 234], CMS [235-237], LSND [238], ArgoNeuT [239], milliQan [240-242], FerMINI [243], SUBMET [244], and SENSEI [245], as well as quirk searches at D0 [246], monojet searches [247-249], heavy stable charged particle searches (HSCP) [247, 250, 251], co-planar hits searches [252], and out-of-time searches [253, 254]. that are charged under both the SM and an additional strongly-interacting gauge force. For example, colour neutral quirks arise in many models of neutral naturalness [255], which are built to address the gauge hierarchy problem [256, 257]."},{"citing_arxiv_id":"2510.21641","ref_index":51,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Search for dijet resonances with data scouting in proton-proton collisions at $\\sqrt{s}$ = 13 TeV","primary_cat":"hep-ex","submitted_at":"2025-10-24T16:54:45+00:00","verdict":"ACCEPT","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Search for narrow dijet resonances in the 0.6-1.8 TeV mass range with data scouting in 117 fb^{-1} of 13 TeV data finds no significant signal and sets model-independent upper limits on various resonance types and dark matter mediator couplings.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2509.19430","ref_index":47,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Bayesian Constraints on Pre-Equilibrium Jet Quenching and Predictions for Oxygen Collisions","primary_cat":"hep-ph","submitted_at":"2025-09-23T18:00:01+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Bayesian constraints on early-time jet quenching from large collision systems yield predictions of measurable energy loss in oxygen-oxygen collisions.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Torrielli, and M. Zaro, The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations, JHEP07, 079, arXiv:1405.0301 [hep-ph]. [46] C. Bierlichet al., A comprehensive guide to the physics and usage of PYTHIA 8.3, SciPost Phys. Codeb.2022, 8 (2022), arXiv:2203.11601 [hep-ph]. [47] P. Skands, S. Carrazza, and J. Rojo, Tuning PYTHIA 8.1: the Monash 2013 Tune, Eur. Phys. J. C74, 3024 (2014), arXiv:1404.5630 [hep-ph]. [48] A. Banfi, G. P. Salam, and G. Zanderighi, Infrared safe definition of jet flavor, Eur. Phys. J. C47, 113 (2006), arXiv:hep-ph/0601139. [49] K. J. Eskola, P. Paakkinen, H. Paukkunen, and C. A. Salgado, EPPS21: a global QCD analysis of nuclear"},{"citing_arxiv_id":"2509.13759","ref_index":74,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"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":"2509.12012","ref_index":27,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"DeepMET: Improving missing transverse momentum estimation with a deep neural network","primary_cat":"hep-ex","submitted_at":"2025-09-15T14:55:14+00:00","verdict":"CONDITIONAL","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"DeepMET is a neural-network-based missing transverse momentum estimator that improves resolution by 10-30% over existing CMS methods across a range of final states.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"1907.09441","ref_index":16,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"TMD parton distributions from parton showers","primary_cat":"hep-ph","submitted_at":"2019-07-22T17:34:42+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Effective TMD parton distributions are derived from PYTHIA8 and HERWIG6 parton showers and compared with those from the Parton Branching method.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"1906.09952","ref_index":6,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Quantum Chromodynamics Monte Carlo Tuning Studies in CMS","primary_cat":"hep-ex","submitted_at":"2019-06-24T13:42:14+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"New CMS PYTHIA 8 tunes using NLO or NNLO PDFs describe minimum-bias, underlying-event, and jet data in top-quark pair events at a level comparable to LO-based tunes.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"1901.10342","ref_index":199,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Looking inside jets: an introduction to jet substructure and boosted-object phenomenology","primary_cat":"hep-ph","submitted_at":"2019-01-29T15:37:15+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":"1410.3012","ref_index":16,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"An Introduction to PYTHIA 8.2","primary_cat":"hep-ph","submitted_at":"2014-10-11T17:01:19+00:00","verdict":"ACCEPT","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"PYTHIA 8.2 is a mature C++ event generator that combines hard processes, parton showers, multiparton interactions, and string fragmentation into a complete simulation framework for high-energy collisions.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"published in 2010 and including early 7 TeV LHC data, was the most comm only used internally produced one, and it was the default in Pythia 8.1 since version 8.145. It has been the starting point for several subsequent tunes by ATLAS [9 2] and CMS [93]. The most recent tune that varies a larger number of parameters, and that covers both LEP, Tevatron and LHC data, is the Monash 2013 one [16]. It is the ne w default since Pythia 8.200. Keep in mind that generators attempt to deliver a global description of the data; a tune is no good if it ﬁts one distribution perfectly, but not any others. Fo r tuning purposes, it is therefore crucial to study the simultaneous degree of agreem ent or disagreement over many, mutually complementary, distributions."}],"limit":50,"offset":0}