{"total":13,"items":[{"citing_arxiv_id":"2606.11917","ref_index":38,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Femtoscopy-driven searches for saturated gluonic matter in inclusive photonuclear processes","primary_cat":"hep-ph","submitted_at":"2026-06-10T10:49:16+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Femtoscopy is presented as a method to isolate gluon saturation and nuclear shadowing effects via space-time structure in photonuclear collisions.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.07739","ref_index":36,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Searches for GeV-Scale ALPs at RHIC","primary_cat":"hep-ph","submitted_at":"2026-06-05T18:00:02+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Proposes searching for GeV-scale ALPs in ultra-peripheral collisions at RHIC via γγ → a → γγ, estimating sensitivity to m_a ~2-5 GeV and g_aγγ ≳4e-4 GeV^{-1} with existing PHENIX data.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.05691","ref_index":13,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Probing Quantum Numbers and Decay Branching Ratios of Exotic States via Entanglement-Enabled Spin Interference","primary_cat":"hep-ph","submitted_at":"2026-06-04T04:16:16+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Production-site entanglement in UPCs produces distinct cos 2φ modulations in decay angular distributions that distinguish intermediate channels and allow direct extraction of branching ratios, as simulated for ρ(1450) → 4π.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.02285","ref_index":41,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Centrality dependence of charged-hadron pseudorapidity distributions in oxygen-oxygen collisions at $\\sqrt{s_\\mathrm{NN}}$ = 5.36 TeV","primary_cat":"nucl-ex","submitted_at":"2026-06-01T14:07:59+00:00","verdict":"ACCEPT","verdict_confidence":"LOW","novelty_score":8.0,"formal_verification":"none","one_line_summary":"First measurement of dNch/dη in OO collisions at 5.36 TeV yields midrapidity densities of 41.8 overall and 135 in central events, consistent with PbPb per participant but showing deviations from simple scaling.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.13569","ref_index":20,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Exclusive dimuon production and coherent charmonium photoproduction at forward rapidity in ultra-peripheral Pb$-$Pb collisions at $\\mathbf{\\sqrt{s_{\\rm NN}}=5.36}$ TeV","primary_cat":"nucl-ex","submitted_at":"2026-05-13T14:06:02+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"ALICE reports new rapidity-differential cross sections for coherent J/ψ and ψ(2S) photoproduction and exclusive dimuons in forward rapidity UPC Pb-Pb collisions at 5.36 TeV, showing nuclear shadowing ratios of approximately 0.76 and 0.71.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.04584","ref_index":53,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Differential measurements of $\\gamma\\gamma\\to\\tau\\tau$ and constraints on $\\tau$-lepton electromagnetic moments in Pb+Pb collisions at $\\sqrt{s_{_\\text{NN}}} = 5.02$ TeV with ATLAS","primary_cat":"nucl-ex","submitted_at":"2026-05-06T07:33:13+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"First differential cross-sections for γγ→ττ in Pb+Pb collisions yield 95% CL intervals -0.057 < a_τ < 0.035 and |d_τ| < 2.7×10^{-16} e cm.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"The data were recorded in 2015 and 2018, with an integrated luminosity of 0.49 nb−1 and 1.44 nb−1, respectively. The average number of hadronic interactions per bunch crossing was 0.0022 in 2015 and 0.003 in 2018. Only data that satisfy standard data-quality requirements [52] are included. Monte Carlo (MC) simulated signal events𝛾𝛾→𝜏𝜏 were generated at leading-order in QED using the STARlight2.0 [53] generator, interfaced withPythia8.245 [54] to simulate final-state radiation (FSR) 1 ATLAS uses a right-handed coordinate system with its origin at the nominal interaction point (IP) in the center of the detector andthe 𝑧-axisalongthebeampipe. The 𝑥-axispointsfromtheIPtothecenteroftheLHCring, andthe 𝑦-axispointsupwards. Polar coordinates(𝑟, 𝜙) are used in the transverse plane,𝜙 being the azimuthal angle around the𝑧-axis."},{"citing_arxiv_id":"2604.24435","ref_index":26,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Measurement of jet photoproduction in ultra-peripheral Pb+Pb collisions without nuclear breakup at $\\sqrt{s_\\mathrm{NN}} = 5.02$ TeV with the ATLAS detector","primary_cat":"nucl-ex","submitted_at":"2026-04-27T13:02:59+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"First measurement of γ+IP→jets cross-sections in 0n0n ultra-peripheral Pb+Pb collisions at 5.02 TeV, achieved by statistically separating photon-pomeron, photon-photon, and peripheral photonuclear contributions via template fits to minimum rapidity gap distributions.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"ATLAS detector [47, 48], the output of which was reconstructed in the same way as data. Equal numbers of events were generated with photons propagating in the positive and negative𝑧 directions for both the 𝛾+𝐴 and 𝛾+𝐼 𝑃 samples. For each of the three samples, the photon flux is modified in order to match the impact parameter distribution calculated byStarlight[26], and the simulated signal events include both direct and resolved photon processes. The resolved photon case, where the photon interacts by fluctuating to a hadronic state, requires additional modeling using the CJKL photon PDF set [49]. A large sample of𝛾+𝐴→jets events was produced using the methodology outlined in Ref. [3] using the nCTEQ15 [50] nuclear parton distribution functions and the A14 set of tuned parameters [51]."},{"citing_arxiv_id":"2604.20559","ref_index":19,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"Observation of impact parameter dependent modifications of nuclear parton distributions in photonuclear Pb+Pb collisions at $\\sqrt{s_\\mathrm{NN}} = 5.02$ TeV with the ATLAS detector","primary_cat":"nucl-ex","submitted_at":"2026-04-22T13:41:19+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"ATLAS reports a 6 sigma observation that nuclear parton distribution modifications in photonuclear Pb+Pb collisions depend on impact parameter, shown by differing cross-section shapes versus x+ with and without forward neutron emission.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"studied 𝛾+𝐴→jets production in UPCs, where events are characterized by the number of neutrons emitted from each nucleus, with𝑋𝑛 implying at least one neutron and0𝑛 indicating no emitted neutrons. Photonuclear collisions typically have a0𝑛𝑋𝑛 topology (panel (a) of Figure 1), as the photons are usually emitted coherently by the source nucleus, which is left un-excited [19]. Conversely, the hard scattering process has a very high probability to excite the struck nucleus, causing the emission of one or more neutrons. The 𝑏A dependence of𝛾+𝐴 processes can be characterized using the number of neutrons emitted from the struck nucleus. The relationship between𝑏A and the number of emitted neutrons depends on both the physics of the scattering process and on the de-excitation cascade of the resulting excited nucleus [20-22]."},{"citing_arxiv_id":"2604.19879","ref_index":35,"ref_count":1,"confidence":0.9,"is_internal_anchor":false,"paper_title":"A First Account of the Impact of Ion Electromagnetic Dissociation on Event Exclusivity in Ultraperipheral LHC Collisions","primary_cat":"hep-ph","submitted_at":"2026-04-21T18:01:58+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Hadrons from ion electromagnetic dissociation break exclusivity conditions in ultraperipheral collisions, resolving tensions in exclusive muon-pair and coherent J/ψ measurements at the LHC.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"Gorbunov, and J. Butterworth, STARlight: A Monte Carlo simula- tion program for ultra-peripheral collisions of relativis- tic ions, Comput. Phys. Commun.212, 258 (2017), arXiv:1607.03838 [hep-ph]. [34] L. A. Harland-Lang, V. A. Khoze, and M. G. Ryskin, Exclusive LHC physics with heavy ions: SuperChic 3, Eur. Phys. J. C79, 39 (2019), arXiv:1810.06567 [hep- ph]. [35] H.-S. Shao and D. d'Enterria, gamma-UPC: automated generation of exclusive photon-photon processes in ul- traperipheral proton and nuclear collisions with varying form factors, JHEP09, 248, arXiv:2207.03012 [hep-ph]. [36] ZEUS Collaboration, Measurement of the photon pro- ton total cross-section at a center-of-mass energy of 209- GeV at HERA, Nucl."},{"citing_arxiv_id":"2604.00618","ref_index":111,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Absorption of 1$P$-wave heavy charmonium $\\chi_{c1}(1P)$ in nuclei","primary_cat":"nucl-th","submitted_at":"2026-04-01T08:24:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":3.0,"formal_verification":"none","one_line_summary":"Calculations of excitation functions, momentum spectra, and transparency ratios for χ_c1(1P) on 12C and 184W nuclei demonstrate sensitivity to different absorption cross-section scenarios, proposed for extraction via future CEBAF data.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2510.09864","ref_index":95,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Observation of suppressed charged-particle production in ultrarelativistic oxygen-oxygen collisions","primary_cat":"nucl-ex","submitted_at":"2025-10-10T20:56:04+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"First measurement of the nuclear modification factor R_AA in OO collisions at 5.36 TeV shows suppression with a minimum of 0.69 at p_T around 6 GeV, favoring models with parton energy loss.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2509.04135","ref_index":35,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Measurement of coherent exclusive $J/\\psi\\to\\mu^+\\mu^-$ production in ultraperipheral Pb+Pb collisions at $\\sqrt{s_{\\textrm{NN}}}=5.36$ TeV with the ATLAS detector","primary_cat":"nucl-ex","submitted_at":"2025-09-04T12:04:34+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"ATLAS reports differential cross sections for coherent exclusive J/ψ → μ⁺μ⁻ in Pb+Pb ultraperipheral collisions at √s_NN=5.36 TeV, agreeing with models but in tension with prior Run 2 data at central rapidity.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2404.06335","ref_index":135,"ref_count":1,"confidence":0.98,"is_internal_anchor":true,"paper_title":"Software and computing for Run 3 of the ATLAS experiment at the LHC","primary_cat":"hep-ex","submitted_at":"2024-04-09T14:19:45+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":2.0,"formal_verification":"none","one_line_summary":"ATLAS reports on its Run 3 software infrastructure for data management, workflows, databases, validation, and physics analysis tools at the LHC.","context_count":1,"top_context_role":"method","top_context_polarity":"use_method","context_text":"• Profecy4f [132], a generator for events with a Standard Model Higgs boson decaying into four fermions. • Protos[133], a leading-order event generator for some new physics models involving the top quark. • Pythia8B, a modified version ofPythia that re-decays heavy-flavour hadrons to produce samples enriched in specific hadrons and decays. • QGSJet[134], a generator used for alternative modelling of minimum bias interactions. • STARlight[135], an event generator for ultra-peripheral heavy-ion collisions. • SuperChic[136], an event generator for exclusive and photon-induced processes. The reading of events in Les Houches Event Format (LHEF) [137] is also supported as a means to aid the usage of additional generators likegg2VV[138], DYNNLO[139], andCHARYBDIS[140]. Many new physics models are generated using Universal FeynRules Output (UFO) models [141], in particular"}],"limit":50,"offset":0}