{"total":16,"items":[{"citing_arxiv_id":"2605.19016","ref_index":107,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Measurements of the Higgs boson production, fiducial and differential cross-sections in the four lepton decay channel using 164 fb$^{-1}$ of data collected at $\\sqrt{s}$ = 13.6 TeV with the ATLAS detector","primary_cat":"hep-ex","submitted_at":"2026-05-18T18:36:51+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":"algorithms used to reconstruct physics objects to the one observed in data. The effects of multiple interactions in the same and neighbouring bunch crossings (pile-up) are modelled by overlaying simulated hard-scattering events with inelastic𝑝 𝑝collisions generated using a mixture of Epos2.0.1.4 [106] andPythia8.308 [49]. TheEposevents are generated with the EPOS LHC tune [107], while thePythiaevents use the A3 tune [108] and theNNPDF2.3loPDF set. ThePythiapile-up events include either a high-𝑝T jet, a prompt photon, or a lepton from a𝑏-hadron decay, whereasEposis used to model the remaining pile-up activity. The individual samples are first reweighted to ensure a smooth transition across jet𝑝T, and the combined pile-up distribution is subsequently reweighted to match the"},{"citing_arxiv_id":"2605.16036","ref_index":168,"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":"background","top_context_polarity":"background","context_text":"which works similar to UNLOPS and combines NNLO with analytic (N)NLL results before adding shower emissions. Since the original formulation of these methods, they have been refined[138-141]and applied to many important LHC processes[142-164]. More recently , a new approach has been presented for matching sectorised parton showers[165,166]. There have also been steps toward extending UNLOPS to 3-loop order, dubbed the TOMTE method[167,168]. 2.4.5 Logarithmic accuracy As explained in the introduction of Section 2.4, it is in general not trivial to assess the loga- rithmic accuracy of a parton shower. Formal requirements to claim any logarithmic accuracy of shower algorithms have been written down by thePanScalesproject[169, 170], which state: 1. Ensure that the shower produces the correct factorised matrix elements in the limits ap-"},{"citing_arxiv_id":"2605.13964","ref_index":76,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"A New Source of Millicharged Particles: Secondary Showers in the LHC Forward Absorber","primary_cat":"hep-ph","submitted_at":"2026-05-13T18:00:03+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Secondary cascades in the TAXN absorber produce a substantial millicharged particle flux that complements primary production and boosts FORMOSA signals by ~50% for m_χ below 0.1 GeV.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"spectra provides a window into studying high-energypp collisions beyond the perturbative regime [58]. The pro- duction of forward neutrons,π 0, andηare constrained by LHCf data [59-65], while other hadrons are indirectly studied by measuring forward neutrinos [66-75]. These data will help to validate dedicated Monte Carlo (MC) event generators, such as EPOS-LHC [76], QGSJET [77], SIBYLL [78-81], and a recent forward Pythia tune [82]. In Fig. 2, we show a comparison of the energy spectra obtained with these generators, represent- ing forward neutrons and photons produced within an an- gle ofθ <3 mrad from the beam collision axis. 1 The plot assumes 3 ab−1 of integrated luminosity, relevant for the future High-Luminosity era of the LHC (HL-LHC), and"},{"citing_arxiv_id":"2605.13819","ref_index":79,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Search for charginos and neutralinos with $B-L$ $R$-parity violating decays in $\\sqrt{s}=13$ TeV and $13.6$ TeV $pp$ collisions with the ATLAS detector","primary_cat":"hep-ex","submitted_at":"2026-05-13T17:43:53+00:00","verdict":"ACCEPT","verdict_confidence":"MODERATE","novelty_score":4.0,"formal_verification":"none","one_line_summary":"No evidence for charginos and neutralinos in R-parity violating Higgs-decay channels; masses 150-1100 GeV excluded at 95% CL assuming equal lepton branching fractions.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"For all samples usingPythiafor the parton shower model, the decays of bottom and charm hadrons were simulated usingEvtGen[76]. The effect of multiple interactions in the same and neighboring bunch crossings (pileup) was modeled by overlaying [77] the simulated hard-scattering event with inelastic𝑝 𝑝events generated from a mix ofEpos2.0.1.4 [78] andPythia8.308. TheEposevents were generated with theEposLHC tune [79] and thePythiaevents with the A3 tune [80] and theNNPDF2.3loset of PDFs.Pythiapileup events include either a high-𝑝T jet, a prompt photon, or a lepton from a𝑏-hadron decay, whileEposwas filtered to simulate all remaining pileup events in the overlay sample. The individual simulations were first reweighted to ensure a smooth connection across jet 𝑝T then the combination reweighted to match the distribution of the actual number of interactions per"},{"citing_arxiv_id":"2605.12490","ref_index":10,"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":"2605.07585","ref_index":62,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Track and Vertex Reconstruction with the ATLAS Inner Detector","primary_cat":"physics.ins-det","submitted_at":"2026-05-08T10:55:15+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":2.0,"formal_verification":"none","one_line_summary":"ATLAS Inner Detector track and vertex reconstruction maintains high efficiency, good resolution, and low fake rates for up to 80 simultaneous proton-proton interactions in Run 2 and Run 3 data and simulations.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"computational cost of loading and navigating through the fully detailed simulation geometry. The effect of multiple interactions in the same and neighbouring bunch crossings (pile-up) was modelled by overlaying [59] the simulated hard-scattering event with inelastic𝑝 𝑝events generated from a mix of Epos2.0.1.4 [60] andPythia8.308 [61]. TheEposevents were generated with theEposLHC tune [62] and thePythiaevents with the A3 tune [63] and theNNPDF2.3lo[64] set of parton distribution functions (PDF).Pythiapileup events include either a high transverse momentum (𝑝T) jet, a prompt photon, or a lepton from a𝑏-hadron decay, whileEposwas filtered to simulate all remaining pileup events in the overlay sample. The individual simulations were first reweighted to ensure a smooth connection across"},{"citing_arxiv_id":"2605.01762","ref_index":19,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Transverse momentum dependence of $\\Omega/\\phi$ ratio in high energy collisions","primary_cat":"hep-ph","submitted_at":"2026-05-03T07:50:20+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"The p_T dependence of the Ω/φ ratio in pp, p-Pb and Pb-Pb collisions is dominated by the discrete curvature of the strange-quark transverse-momentum spectrum extracted from φ data via quark-number scaling.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"[16] T. Pierog, I. Karpenko, J. M. Katzy, E. Yat- senko, and K. Werner, Phys. Rev. C 92, 034906 (2015) , arXiv:1306.0121 [hep-ph] . [17] V. Begun, W. Florkowski, and M. Ry- bczynski, Phys. Rev. C 90, 054912 (2014) , arXiv:1405.7252 [hep-ph] . [18] V. Minissale, F. Scardina, and V. Greco, Phys. Rev. C 92, 054904 (2015) , arXiv:1502.06213 [nucl-th] . [19] C. Bierlich and J. R. Chris- tiansen, Phys. Rev. D 92, 094010 (2015) , arXiv:1507.02091 [hep-ph] . [20] A. Sengupta et al. (JETSCAPE), (2025), arXiv:2501.16482 [hep-ph] . [21] S. Acharya et al. (ALICE), JHEP 04, 108 (2018) , 8 arXiv:1712.09581 [nucl-ex] . [22] R. Aaij et al. (LHCb), JHEP 02, 102 (2019) , arXiv:1809.01404 [hep-ex] . [23] R. Aaij et al."},{"citing_arxiv_id":"2604.22462","ref_index":234,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Machine Learning for Multi-messenger Probes of New Physics and Cosmology: A Review and Perspective","primary_cat":"hep-ph","submitted_at":"2026-04-24T11:29:09+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"A review summarizing machine learning methods for multi-messenger probes of dark matter and new physics, with a proposed plan for future integrated analyses.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":",Euclid definition study report(2011), 1110.3193. [231] Z. Ivezi' c et al., Astrophysical Journal873, 111 (2019), 0805.2366. [232] M. Abdul Karim et al.,Desi dr2 results ii: Measurements of baryon acoustic oscillations and cosmological constraints (2025), 2503.14738. [233] M. Ho, M. M. Rau, M. Ntampaka, A. Farahi, H. Trac, and B. Poczos, Astrophysical Journal887, 25 (2019), 1902.05950. [234] A. Peel, F. Lalande, J. L. Starck, V. Pettorino, J. Merten, C. Giocoli, M. Meneghetti, and M. Baldi, Physical Review D 100, 023508 (2019), 1810.11030. [235] J. Caldeira, W. L. K. Wu, B. Nord, C. Avestruz, S. Trivedi, and K. T. Story, Astronomy and Computing28, 100307 (2019), 1810.01483. [236] S. He, Y. Li, Y. Feng, S. Ho, S. Ravanbakhsh, W. Chen, and B."},{"citing_arxiv_id":"2604.22083","ref_index":15,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Downward ultra-high-energy neutrino detection in the air with radio antennas at ground-based observatories","primary_cat":"astro-ph.HE","submitted_at":"2026-04-23T21:29:02+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"A reconstruction algorithm using the radio emission maximum X_radio_max distinguishes deeply developing neutrino-induced air showers from cosmic rays, enhancing sensitivity above 1 EeV for inclined events.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2604.05512","ref_index":38,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Measurement of charged-particle production in $\\sqrt{s_\\text{NN}}=9.62$ TeV proton-oxygen collisions as a probe of cosmic-ray air showers with the ATLAS detector","primary_cat":"hep-ex","submitted_at":"2026-04-07T07:06:50+00:00","verdict":"ACCEPT","verdict_confidence":"MODERATE","novelty_score":7.0,"formal_verification":"none","one_line_summary":"ATLAS measured charged-particle production in 9.62 TeV p-O collisions, yielding a fiducial pO cross section of 396 mb and extrapolated p-air inelastic cross section of 406 mb, with distributions an order of magnitude more precise than hadronic model differences.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"Monte Carlo (MC) simulated𝑝O events are generated with HIJING 1.38 [122]. An alternative sample is generatedusingthedefaultAngantyr[123, 124]modelinPythia8.308[35], whereEvtGen[125]handles heavy-flavor decays. These samples undergo detector simulation [126] based onGeant4[127]. Samples of models commonly used in cosmic-ray physics are generated with CRMC 2.2.1 [128]: DPMJET III 2019-1 [36, 37], EPOS LHC-R [38, 39], QGSJET II-04 [40], QGSJET III [41, 42], andSibyll2.3e [43]. A two-level trigger system [129, 130] selects events with at least one TRT azimuthal sector above threshold via the Level 1 (L1) \"Fast-OR\" algorithm [131], and at least one reconstructed track in the High-Level Trigger [132]. Standard data-quality criteria are applied [133]. Selected events must have one primary"},{"citing_arxiv_id":"2604.05307","ref_index":50,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Equilibrated fraction of QCD matter in high-energy oxygen--oxygen collisions","primary_cat":"nucl-th","submitted_at":"2026-04-07T01:23:13+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"The equilibrated core in O+O collisions overtakes the nonequilibrium corona above midrapidity multiplicity of about 20, yet corona contributions persist in central events, making pure hydrodynamics inadequate.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"ting and the rapidity dependence of transverse momen- tum spectra in deuteron-gold collisions at RHIC, Phys. Rev. C74, 044902 (2006), arXiv:hep-ph/0506232. [49] K. Werner, B. Guiot, I. Karpenko, and T. Pierog, Analysing radial flow features in p-Pb and p-p colli- sions at several TeV by studying identified particle pro- duction in EPOS3, Phys. Rev. C89, 064903 (2014), arXiv:1312.1233 [nucl-th]. [50] T. Pierog, I. Karpenko, J. M. Katzy, E. Yatsenko, and K. Werner, EPOS LHC: Test of collective hadronization with data measured at the CERN Large Hadron Collider, Phys. Rev. C92, 034906 (2015), arXiv:1306.0121 [hep- ph]. [51] K. Werner, Parallel scattering, saturation, and gener- alized Abramovskii-Gribov-Kancheli (AGK) theorem in the EPOS4 framework, with applications for heavy-ion"},{"citing_arxiv_id":"2510.26260","ref_index":16,"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":"beams of both neutrinos and antineutrinos of all three flavours in the forward direction. Although this high flux was noted in the 1980s [15], experimental efforts to exploit this potential started only in the beginning of the 2020s. During the LHC's Long Shutdown 2 (2019-2022), two experiment were installed to take advantage of this opportunity: FASER [16], with its dedicated FASERνneutrino detector, and SND@LHC [17]. These experiments have been taking data since the summer of 2022, and they reported the first direct detection of collider neutrinos in 2023 [18, 19]. To use the words of Elizabeth Worcester's Viewpoint article [20], the first observation of neutrinos at the LHC by FASER and SND@LHC in 2023 marks thedawn of collider neutrino physics."},{"citing_arxiv_id":"2510.02857","ref_index":38,"ref_count":2,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Search for a resonance decaying into a scalar particle and a Higgs boson in the final state with two bottom quarks and two photons with 199 fb$^{-1}$ of data collected at $\\sqrt{s}$=13 and 13.6 TeV with the ATLAS detector","primary_cat":"hep-ex","submitted_at":"2025-10-03T09:53:41+00:00","verdict":"ACCEPT","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"No significant excess observed in search for X → S(bb)H(γγ); 95% CL limits on σ×BR set from 9 fb to 0.06 fb over m_X 170-1000 GeV and m_S 15-500 GeV in 199 fb^{-1} of ATLAS data.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2507.11026","ref_index":41,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Two-particle cumulant distribution: a simulation study of higher moments","primary_cat":"hep-ph","submitted_at":"2025-07-15T06:46:25+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Simulations show non-flow two-particle cumulant distributions have high skewness and kurtosis while true elliptic flow distributions are closer to Gaussian with lower values.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2412.03186","ref_index":19,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"First Measurement of the Muon Neutrino Interaction Cross Section and Flux as a Function of Energy at the LHC with FASER","primary_cat":"hep-ex","submitted_at":"2024-12-04T10:14:24+00:00","verdict":"ACCEPT","verdict_confidence":"MODERATE","novelty_score":8.0,"formal_verification":"none","one_line_summary":"First differential measurement of muon neutrino-nucleon cross section and flux in six TeV-scale energy bins using FASER at the LHC, with results consistent with Standard Model expectations.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2405.17409","ref_index":85,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Ultraheavy Ultrahigh-Energy Cosmic Rays","primary_cat":"astro-ph.HE","submitted_at":"2024-05-27T17:56:51+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Ultraheavy nuclei have longer energy loss lengths at ≲300 EeV than lighter nuclei, allowing them to explain UHECRs above 100 EeV from sources like collapsars and neutron star mergers while predicting distinct shower maxima.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null}],"limit":50,"offset":0}