REVIEW 3 major objections 4 minor 106 references
Astrophysical Neutrino Sources as Colliders
T0 review · 3 major / 4 minor · reviewed 2026-08-01 · deepseek-v4-flash
Pith's one-line read Neutrino sources can extract two-sided bounds on proton-proton and proton-photon cross sections, at energies beyond the reach of Earth-based colliders.
desk verdict Good recipe, one bad bound: the TXS 10-year upper bound is an artifact of holding L_CR,min at the flare value. read the letter →
The pith
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
The reading
What carries the argument
The carrying identity is the neutrino-luminosity relation Lν ≃ (3ξν/κ) f LCR, together with its optically-thin factorization f ≃ κ σ N_eff. The effective column density N_eff—the number of target protons or photons per unit area along the accelerated-proton path—is the object that must be pinned down by electromagnetic observations; the cosmic-ray luminosity LCR is the other input. Once both are bracketed independently, the observed Lν gives σ_hi and σ_lo from the same equation, making the cross section the only free parameter.
What would settle it
Identify the counterpart of the 220 PeV neutrino event and measure its X-ray column density and beaming-corrected power budget; if the resulting σ_pp band at √s ≈ 50–100 TeV excludes the roughly 100 mb Standard Model prediction, the recipe would be falsified for that source. A cheaper check is the optically-thin criterion: any source whose neutrino luminosity approaches 0.2 of its minimum possible cosmic-ray luminosity cannot be analyzed this way, and showing that a target violates this would invalidate its bounds.
Extended reading notes
Core claim
The central claim is that the neutrino luminosity of a source, Lν, is proportional to the product of the cosmic-ray luminosity LCR, the target column density N_eff, and the inelastic cross section σ, once the source is optically thin: Lν ≈ (3 ξν/κ) κ σ N_eff LCR. Since the energy fraction ξν and inelasticity κ are determined by standard production kinematics (computed here with event-level simulation, giving ξν ≈ 0.086–0.099 per flavor), the cross section can be solved for if LCR and N_eff are bounded independently. The paper bounds LCR from below by the power needed to sustain the observed neutrinos and X-rays and from above by the Eddington limit or its relativistic-beaming generalization;
Load-bearing premise
The inversion works only if the source is optically thin and if the cosmic-ray luminosity and target column density can each be bounded independently of the cross section; for the flaring blazar, only an upper bound on the column density exists, so its upper cross-section bound rests on that assumption.
Editorial extensions
If this is right
- For a nearby active galaxy and the Galactic plane, the allowed σ_pp bands sit at √s ≈ 150–1400 GeV, overlapping collider energies but derived from a completely independent observational chain.
- A stacked population of Seyfert cores tightens σ_pp to about 2.3–70 mb at √s ≈ 145–790 GeV and gives σ_pγ ≈ 0.08–9 mb, with the Standard Model lying inside the band.
- A single 220 PeV neutrino event, if its source is identified and its target and power budget measured, would probe σ_pp near √s ≈ 50–100 TeV—beyond the LHC—and σ_pγ at √s ≈ 155–316 GeV, beyond HERA.
- Several of the derived bands are more stringent than the Froissart–Martin unitarity bound, so a confirmed cross-section measurement above those bands would require a violation of that bound.
- Projected ultra-high-energy neutrino observations with well-determined photon target fields could narrow σ_pγ to roughly a factor of two around the Standard Model value at √s ≈ 0.5–1.5 TeV.
Reading between the lines
- The paper leaves implicit that the same inversion can be used as a self-consistency diagnostic: fixing σ to the Standard Model converts any future neutrino detection into a measurement of the source's cosmic-ray luminosity, and sources that demand super-Eddington power would flag errors in the assumed beaming or target geometry.
- A natural extension is to use flare and quiescent epochs of the same source as independent data points; if the beaming and column-density assumptions are right, the two epochs should produce overlapping σ bands despite a large difference in luminosity.
- Once many sources are catalogued, a global fit treating σ(√s) as one common function—rather than deriving separate bands per source—would break the per-source astrophysical degeneracies and effectively build a cross-section curve from astronomy alone.
- The method could be inverted for source diagnostics: with the cross section already known, the same two-sided logic would bound target densities or cosmic-ray luminosities for any source, extending the tool beyond particle physics.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. The paper proposes a method to use neutrino point-source observations to place two-sided bounds on the inelastic pp and pγ cross sections. The central relation, Eq. (1), connects the all-flavor neutrino luminosity to the cosmic-ray luminosity, target column density, and cross section in the optically-thin limit; Eqs. (4)–(5) then translate allowed ranges of L_CR and N_eff into a band for σ. The method is applied to TXS 0506+056, NGC 1068, the Galactic plane, a stacked Seyfert sample, and the KM3-230213A event, with Pythia 8 used to compute the neutrino energy fraction ξ_ν. The authors conclude that the SM cross sections lie within the inferred bands and that several bounds are more stringent than unitarity limits at center-of-mass energies from ~1 GeV to ~10^5 GeV.
Significance. If the recipe is valid, this is a genuinely novel way to use astrophysical neutrino sources as hadronic colliders, complementing terrestrial measurements at energies that are otherwise hard to access. The paper is transparent about its assumptions, provides source-by-source tables, and includes dedicated Pythia calculations of ξ_ν; these are concrete strengths and make the analysis easy to audit and extend. However, the headline TXS 10-year bound is not robust, and the TXS two-sided claim rests on inputs that are not independently derived in the paper. The central idea remains publishable, but the affected claims need correction.
major comments (3)
- [Sec. II.C, Eq. (4)] The quoted 10-year TXS upper bound σ_pp≈0.5–70 mb uses the flare-derived L_CR,min≈2.6×10^48 erg/s together with L_ν^10yr≈5×10^45 erg/s, a factor ~25 lower. If L_CR,min is an energy-conservation floor, it must scale with L_ν; rescaling gives σ_hi≈L_ν^10yr/(3ξ_ν N_min L_CR,min^10yr)≈1/N_min≈10^4 mb for N_min=10^23 cm^-2, not 70 mb. Thus the claim that the 10-year average yields a tighter bound is an artifact of fixing L_CR,min at the flare value. The authors should either rescale L_CR,min with the time-averaged L_ν or withdraw the 10-year 'tighter' bound.
- [Sec. II.C, Table I] For TXS, the effective proton column is given only as an upper bound, N_p≲10^23–10^24 cm^-2, derived from variability and transparency arguments. Eq. (4) shows that an upper limit on σ_pp requires a lower bound N_p,min. The lower endpoint 10^23 cm^-2 is described as 'representative,' not derived. The abstract, Fig. 1, and conclusions nevertheless present a closed two-sided TXS band. This is a load-bearing gap: as written, TXS can rigorously provide only a lower bound on σ_pp unless an independent lower bound on N_p is established.
- [Sec. II.C] The stated L_CR,min≈2.6×10^48 erg/s is not what Eq. (1) gives from energy conservation. With L_ν≈1.2×10^47 erg/s and ξ_ν≈0.09, the condition f_pp≤1 requires L_CR,min≥κ L_ν/(3ξ_ν)≈2.2×10^47 erg/s (or L_ν/(3ξ_ν)≈4.4×10^47 erg/s if κ is not included), an order of magnitude below the quoted value. Since this quantity normalizes the TXS bounds, its derivation must be stated explicitly, e.g., if it incorporates X-ray/γ-ray constraints or a different definition of L_CR.
minor comments (4)
- [Sec. VII] The sentence beginning 'Inverting the analysis; fixing σ to the SM prediction...' is syntactically broken and should be rewritten.
- [Appendix A] The pγ values of ξ_ν are not described consistently: '0.069 near threshold' at √s=2.2 GeV appears later as '0.07–0.11,' while the Δ-resonance value is 0.017 and some source √s bands extend down to 1.4 GeV. Please state how ξ_pγ is assigned or interpolated in the resonance region.
- [Table I and Sec. V] For KM3-230213A, the text adopts L_CR/L_ν∼20, while Table I says 'Upper limit from kinematics; CR luminosity uncertain without source association.' Clarify which value is used and how the projection is normalized.
- [Abstract and Sec. VI.C] The claim that 'several bounds are more stringent than unitarity limits' is not tied to specific entries in Fig. 1 or Fig. 2. Since other quoted upper bounds lie above the Froissart–Martin inelastic bound, please specify which constraints are meant.
Circularity Check
Partial circularity in the TXS 10-year upper bound: the flare-derived L_CR,min is reused with a 25x smaller L_nu, so the 'tighter' 70 mb bound is mostly a luminosity ratio, not an independent cross-section measurement.
-
self definitional
[Sec. II.C (TXS 0506+056) and Eq. (4)]
"The minimum cosmic-ray luminosity is set by energy conservation: sustaining the observed neutrino output requires L_CR,min ≃2.6×10^48 ergs^-1. ... Averaged over the full∼10-year IceCube dataset, the time-integrated neutrino luminosity is L10yrν ≃5×10^45 ergs^-1 ... yielding a tighter two-sided bound σpp ≃0.5–70mb at the same √s range."
From Eq. (4), σ_hi = Lν/(3 ξν N_min L_CR,min). The paper sets L_CR,min for TXS by energy conservation from the observed flare neutrino luminosity, i.e., from the same Eq. (1) that is later inverted for σ. It then inserts the 25-times-smaller 10-year Lν into the numerator while keeping the flare-derived L_CR,min in the denominator. The quoted 10-year bound is therefore just 0.04 times the flare bound: the claimed 'tighter' constraint is the ratio of the two measured neutrino luminosities, not an independent determination of σ. If L_CR,min were rescaled to the 10-year energy-conservation floor (∝ Lν), the upper bound would remain ~1/N_min ~ 10^4 mb rather than 70 mb. Thus the headline 'tighter than unitarity' TXS result is constructed from its own input rather than measured.
full rationale
The central inversion is not circular for most of the paper. Eq. (1), together with f_pp = κ σ N_eff in the optically thin limit, algebraically gives Eq. (4), and whether that constitutes a bound depends entirely on whether L_CR and N_eff are independently pinned. For NGC 1068, the Galactic plane, and the Seyfert stack, L_CR is taken from X-ray/bolometric luminosities, supernova energetics, or η_CR L_X, while N_eff comes from Thomson depth, Compton-thick columns, or B/C grammage—none of these are fitted to the neutrino luminosity being bounded. The Pythia-derived ξν is a Monte Carlo input, not a parameter fitted to the IceCube data, so its appearance in both the √s mapping and Eq. (4) is a consistency choice rather than a tautology. No load-bearing uniqueness theorem from the authors is invoked, and the comparison with PDG data and the Froissart–Martin bound is external. The one concrete circularity is the TXS 0506+056 10-year bound: the paper's L_CR,min is justified by the observed (flare) neutrino output, then held fixed while Lν is reduced by a factor ~25. Since σ_hi ∝ Lν/L_CR,min, the resulting 70 mb upper bound is mostly the 10-year/flare luminosity ratio, not an independent cross-section constraint. Rescaling L_CR,min to the 10-year energy-conservation floor would raise the upper bound to ~10^4 mb, erasing the claimed tightening. The paper itself flags the TXS optically-thin caveat (footnote 1) and the upper-bound-only N_eff determination, but those limitations do not address the L_CR,min scaling problem. Because this affects one headline result while the framework's other source-by-source bounds remain independently grounded, the overall circularity score is 4 rather than higher.
Assumptions & free parameters
free parameters (7)
- L_iso,CR,max for TXS 0506+056 (beaming-corrected ceiling) =
3.4e49 erg/s (2Γ^2 η L_Edd with Γ=15, η=2)
- Γ_jet = 15, η_jet = 2 (TXS beaming parameters) =
Γ_jet=15, η_jet=2
- η_CR ≡ L_CR/L_intr_X ∈ [1,10] for Seyfert galaxies =
η_CR ∈ [1,10]
- τ_T ∈ [1,3] (coronal Thomson depth for Seyfert stack) =
τ_T ∈ [1,3]
- n_Rg ∈ [3,30] (corona size in gravitational radii) =
n_Rg ∈ [3,30]
- L_CR/L_ν = 20 (KM3-230213A standard-candle projection) =
L_CR/L_ν = 20
- Kernel neutrino energy fraction ξ_ν(√s) from Pythia =
ξ_pp_ν ≈ 0.086–0.099; ξ_pγ_ν ≈ 0.017–0.108
assumptions (5)
- domain assumption The relevant sources are optically thin to hadronic interactions (Σ_i σ_i N_i ≪ 1).
- domain assumption Each source's observed neutrino luminosity is produced predominantly by a single channel (pp or pγ).
- domain assumption The CR injection spectrum and target photon field are such that the luminosity-averaged neutrino energy can be mapped to √s via E_p = E_ν/ξ_ν and standard two-body kinematics.
- domain assumption Pythia 8 minimum-bias event generation accurately describes the neutrino multiplicity and energy fractions for pp and pγ at √s up to 10^5 GeV.
- standard math The Froissart–Martin bound with s0 = m_π and a factor-4 smaller inelastic bound is the correct unitarity ceiling for the comparisons made in Fig. 1 and Sec. VI.C.
Cite this review
Pith. "Pith review of Astrophysical Neutrino Sources as Colliders." pith.science (2026). https://pith.science/paper/6PWLECKR
@misc{pith2026260719254,
author = {Pith},
title = {Pith review of: Astrophysical Neutrino Sources as Colliders},
year = {2026},
howpublished = {\url{https://pith.science/paper/6PWLECKR}},
note = {Machine review of arXiv:2607.19254}
}
abstract
High-energy neutrinos arise from processes at large center-of-mass energies, offering a window to test physics at comparable scales or beyond those accessible in collider experiments on Earth. Here, we present a recipe for extracting two-sided bounds on the inelastic $pp$ and $p\gamma$ cross sections from neutrino point-source data, by independently constraining every astrophysical input (cosmic-ray luminosities and target densities) through electromagnetic observations or theoretical arguments. The cross section is then the only remaining free parameter. Applying this framework to the IceCube associations with TXS~0506+056, NGC~1068, and the Galactic Plane, to a stacked population of eleven X-ray bright Seyfert galaxies, to the ultra-high-energy KM3NeT event KM3-230213A, and to projected observations of ultra-high-energy neutrinos, we obtain constraints that span center-of-mass energies from $\sqrt{s}\sim 1$ GeV to $\sim 10^{5}$ GeV, some of which are well beyond the reach of the LHC and, for the $p\gamma$ channel, beyond HERA. Several of these bounds are more stringent than unitarity limits.
Figures
Figures from the paper (4 more)
Reference graph
Works this paper leans on
-
[1]
M. G. Aartsenet al.(IceCube), Neutrino emission from the direction of the blazar TXS 0506+056 prior to the IceCube-170922A alert, Science361, 147 (2018), arXiv:1807.08794 [astro-ph.HE]
arXiv 2018
-
[2]
R. Abbasiet al.(IceCube), Evidence for neutrino emis- sion from the nearby active galaxy NGC 1068, Science 378, 538 (2022), arXiv:2211.09972 [astro-ph.HE]
arXiv 2022
-
[3]
R. Abbasiet al.(IceCube), Evidence for neutrino emis- sion from x-ray bright active galactic nuclei with icecube, Astrophys. J. Lett. (2025), arXiv:2510.13403 [astro- ph.HE]
arXiv 2025
-
[4]
Aielloet al.(KM3NeT), Observation of an ultra-high- energy cosmic neutrino with KM3NeT, Nature638, 376 (2025), [Erratum: Nature 640, E3 (2025)]
S. Aielloet al.(KM3NeT), Observation of an ultra-high- energy cosmic neutrino with KM3NeT, Nature638, 376 (2025), [Erratum: Nature 640, E3 (2025)]
2025
-
[5]
Adrianiet al.(KM3NeT), Ultrahigh-Energy Event KM3-230213A within the Global Neutrino Landscape, Phys
O. Adrianiet al.(KM3NeT), Ultrahigh-Energy Event KM3-230213A within the Global Neutrino Landscape, Phys. Rev. X15, 031016 (2025), arXiv:2502.08173 [astro- ph.HE]
arXiv 2025
-
[6]
C. A. Argüelles, F. Halzen, and N. Kurahashi, From the Dawn of Neutrino Astronomy to a New View of the Extreme Universe, Phys. Rev. X15, 030501 (2025), arXiv:2405.17623 [hep-ex]
arXiv 2025
-
[7]
G. Herrera and K. Murase, Probing light dark matter through cosmic-ray cooling in active galactic nuclei, Phys. Rev. D110, L011701 (2024), arXiv:2307.09460 [hep-ph]
arXiv 2024
-
[8]
R. A. Gustafson, G. Herrera, M. Mukhopadhyay, K. Murase, and I. M. Shoemaker, Cosmic-ray cooling in activegalactic nucleias anew probeof inelasticdark mat- ter, Phys. Rev. D111, L121303 (2025), arXiv:2408.08947 [hep-ph]
arXiv 2025
Show all 106 references
-
[9]
A. G. De Marchi, A. Granelli, J. Nava, and F. Sala, Did IceCube discover dark matter around blazars?, Phys. Rev. D112, 043042 (2025), arXiv:2412.07861 [astro- ph.HE]
2025 arXiv
-
[10]
A. K. Mishra, N. Liu, and C.-T. Lu, Probing gauged U(1) sub-GeV dark matter via cosmic ray cooling in active galactic nuclei, Phys. Dark Univ.49, 102050 (2025), arXiv:2504.03409 [hep-ph]
2025 arXiv
-
[11]
Kantzas, F
D. Kantzas, F. Calore, and M. Chianese, Cosmic-ray cooling by dark matter in astrophysical jets, (2025), arXiv:2509.18850 [hep-ph]
2025
-
[12]
Hussein and G
A. Hussein and G. Herrera, Dark Matter-Electron Inter- actions Alter the Luminosity and Spectral Index of M87, (2025), arXiv:2510.12877 [hep-ph]
2025
-
[13]
S. A. Meighen-Berger, P. S. B. Dev, and M. Hostert, New Multi-messenger Probe of Dark Matter-Nucleon Interac- tions from Ultra-high Energy Cosmic Ray Acceleration, (2025), arXiv:2512.18093 [hep-ph]
2025
-
[14]
J.-W. Wang, A. Granelli, and P. Ullio, Direct Detec- tion Constraints on Blazar-Boosted Dark Matter, Phys. Rev. Lett.128, 221104 (2022), arXiv:2111.13644 [astro- ph.HE]
2022 arXiv
-
[15]
A. G. De Marchi, A. Granelli, J. Nava, and F. Sala, Boosted dark matter versus dark matter-induced neutrinos from single and stacked blazars, (2025), arXiv:2507.12278 [hep-ph]
2025
-
[16]
R. A. Gustafson, G. Herrera, M. Mukhopadhyay, K. Murase, and I. M. Shoemaker, Cosmic-ray boosted inelastic dark matter from neutrino-emitting active galac- tic nuclei, (2025), arXiv:2508.20984 [hep-ph]
2025 arXiv
-
[17]
C. A. Argüelles, A. Kheirandish, and A. C. Vincent, Imaging Galactic Dark Matter with High-Energy Cos- mic Neutrinos, Phys. Rev. Lett.119, 201801 (2017), arXiv:1703.00451 [hep-ph]
2017 arXiv
-
[18]
Abbasiet al.(IceCube), Searches for connections between dark matter and high-energy neutrinos with IceCube, JCAP10, 003, arXiv:2205.12950 [hep-ex]
R. Abbasiet al.(IceCube), Searches for connections between dark matter and high-energy neutrinos with IceCube, JCAP10, 003, arXiv:2205.12950 [hep-ex]
-
[19]
J. M. Cline, S. Gao, F. Guo, Z. Lin, S. Liu, M. Puel, P. Todd, and T. Xiao, Blazar Constraints on Neutrino- Dark Matter Scattering, Phys. Rev. Lett.130, 091402 (2023), arXiv:2209.02713 [hep-ph]
2023 arXiv
-
[20]
Ferrer, G
F. Ferrer, G. Herrera, and A. Ibarra, New constraints on the dark matter-neutrino and dark matter-photon scattering cross sections from TXS 0506+056, JCAP05, 057, arXiv:2209.06339 [hep-ph]
-
[21]
Fujiwara and G
M. Fujiwara and G. Herrera, Tidal disruption events and dark matter scatterings with neutrinos and photons, Phys. Lett. B851, 138573 (2024), arXiv:2312.11670 [hep-ph]
2024 arXiv
-
[22]
Fujiwara, G
M. Fujiwara, G. Herrera, and S. Horiuchi, Neu- trino Diffusion within Dark Matter Spikes, (2024), arXiv:2412.00805 [hep-ph]
2024 arXiv
-
[23]
G. D. Zapata, J. Jones-Pérez, and A. M. Gago, Bounds on neutrino-DM interactions from TXS 0506+056 neu- trino outburst, JCAP07, 042, arXiv:2503.03823 [hep- ph]
-
[24]
Pompa and M
F. Pompa and M. Sen, Shedding light on dark matter spikesthroughneutrino-darkmatterinteractions, (2025), arXiv:2508.10983 [hep-ph]
2025 arXiv
-
[25]
Tseng and Y.-M
P.-Y. Tseng and Y.-M. Yeh, Phenomenology of neutrino- dark matter interaction in DSNB and AGN, JCAP08, 038, arXiv:2412.08537 [hep-ph]
-
[26]
Bertólez-Martínez, G
T. Bertólez-Martínez, G. Herrera, P. Martínez-Miravé, and J. Terol Calvo, The Highest-Energy Neutrino Event Constrains Dark Matter-Neutrino Interactions, (2025), arXiv:2506.08993 [hep-ph]
2025 arXiv
-
[27]
Mondol, S
R. Mondol, S. Bouri, A. K. Saha, and R. Laha, Road through Darkness: Probing dark matter-neutrino inter- actions using KM3-230213A, (2025), arXiv:2506.19910 [hep-ph]
2025 arXiv
-
[28]
Herrera, Plausible Indication of Gamma-Ray Ab- sorption by Dark Matter in NGC 1068, (2025), arXiv:2504.21560 [hep-ph]
G. Herrera, Plausible Indication of Gamma-Ray Ab- sorption by Dark Matter in NGC 1068, (2025), arXiv:2504.21560 [hep-ph]
2025
-
[29]
P. S. B. Dev, B. Dutta, A. Karthikeyan, W. Maitra, L. E. Strigari, and A. Verma, ‘Dark’ Matter Effect as a Novel Solution to the KM3-230213A Puzzle, (2025), arXiv:2505.22754 [hep-ph]
2025 arXiv
-
[30]
Rink and M
T. Rink and M. Sen, Constraints on pseudo-Dirac neutri- nos using high-energy neutrinos from NGC 1068, Phys. Lett. B851, 138558 (2024), arXiv:2211.16520 [hep-ph]
2024 arXiv
-
[31]
Carloni, I
K. Carloni, I. Martínez-Soler, C. A. Arguelles, K. S. Babu, and P. S. B. Dev, Probing pseudo-Dirac neutrinos 13 with astrophysical sources at IceCube, Phys. Rev. D109, L051702 (2024), arXiv:2212.00737 [astro-ph.HE]
2024 arXiv
-
[32]
Dixit, L
K. Dixit, L. S. Miranda, and S. Razzaque, Searching for pseudo-dirac neutrinos from astrophysical sources in IceCube data, Eur. Phys. J. C85, 1481 (2025), arXiv:2406.06476 [astro-ph.HE]
2025
-
[33]
Carloni, Y
K. Carloni, Y. Porto, C. A. Argüelles, P. S. B. Dev, and S. Jana, Signatures of quasi-Dirac neutrinos in dif- fuse high-energy astrophysical neutrino data, (2025), arXiv:2503.19960 [hep-ph]
2025
-
[34]
MacDonald, K
M. MacDonald, K. Carloni, C. A. Argüelles, I. Martínez- Soler, and R. Alves Batista, Exploring New Prop- agation Scales With Galactic Neutrinos, (2025), arXiv:2512.10744 [hep-ph]
2025 arXiv
-
[35]
Ettengruber and G
M. Ettengruber and G. Herrera, New Tests of Low-Scale Quantum Gravity with Cosmic-Ray Collisions, (2025), arXiv:2510.11879 [hep-ph]
2025
-
[36]
Alvarez-Muniz, F
J. Alvarez-Muniz, F. Halzen, T. Han, and D. Hooper, Phenomenology of high-energy neutrinos in low scale quantum gravity models, Phys. Rev. Lett.88, 021301 (2002), arXiv:hep-ph/0107057
2002 arXiv
-
[37]
M. G. Aartsenet al.(IceCube), Measurement of the multi-TeV neutrino cross section with IceCube using Earth absorption, Nature551, 596 (2017), arXiv:1711.08119 [hep-ex]
2017 arXiv
-
[38]
Bustamante and A
M. Bustamante and A. Connolly, Extracting the Energy- DependentNeutrino-NucleonCrossSectionabove10TeV Using IceCube Showers, Phys. Rev. Lett.122, 041101 (2019), arXiv:1711.11043 [astro-ph.HE]
2019 arXiv
-
[39]
Abbasiet al.(IceCube), Measurement of the high-energy all-flavor neutrino-nucleon cross section with IceCube, Phys
R. Abbasiet al.(IceCube), Measurement of the high-energy all-flavor neutrino-nucleon cross section with IceCube, Phys. Rev. D104, 022001 (2021), arXiv:2011.03560 [hep-ex]
2021
-
[40]
Y. Bai, K. Xie, and B. Zhou, Large Neutrino ”Collider”, (2025), arXiv:2510.13948 [hep-ph]
2025
-
[41]
Bertólez-Martínez and D
T. Bertólez-Martínez and D. Hooper, Constraining The Neutrino-Nucleon Cross Section with the Ultrahigh- Energy KM3NeT Event, (2026), arXiv:2603.28941 [hep- ph]
2026
-
[42]
Palmisano, D
S. Palmisano, D. Redigolo, M. Tammaro, and A. Tesi, The soft volume of ultra-high energy neutrinos experi- ments, (2026), arXiv:2607.13143 [hep-ph]
2026 arXiv
-
[43]
S. R. Kelner, F. A. Aharonian, and V. V. Bugayov, Energy spectra of gamma-rays, electrons and neutri- nos produced at proton-proton interactions in the very high energy regime, Phys. Rev. D74, 034018 (2006), [Erratum: Phys.Rev.D 79, 039901 (2009)], arXiv:astro- ph/0606058
2006
-
[44]
Murase, M
K. Murase, M. Ahlers, and B. C. Lacki, Testing the Hadronuclear Origin of PeV Neutrinos Observed with Ice- Cube, Phys. Rev. D88, 121301 (2013), arXiv:1306.3417 [astro-ph.HE]
2013 arXiv
-
[45]
P. Z. 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]
2013 arXiv
-
[46]
Keivaniet al., A Multimessenger Picture of the Flar- ing Blazar TXS 0506+056: implications for High-Energy Neutrino Emission and Cosmic Ray Acceleration, Astro- phys
A. Keivaniet al., A Multimessenger Picture of the Flar- ing Blazar TXS 0506+056: implications for High-Energy Neutrino Emission and Cosmic Ray Acceleration, Astro- phys. J.864, 84 (2018), arXiv:1807.04537 [astro-ph.HE]
2018 arXiv
-
[47]
Murase, Hidden Hearts of Neutrino Active Galaxies, Astrophys
K. Murase, Hidden Hearts of Neutrino Active Galaxies, Astrophys. J. Lett.941, L17 (2022), arXiv:2211.04460 [astro-ph.HE]
2022 arXiv
-
[48]
Inoue, D
Y. Inoue, D. Khangulyan, and A. Doi, On the Origin of High-energy Neutrinos from NGC 1068: The Role of Nonthermal Coronal Activity, Astrophys. J. Lett.891, L33 (2020), arXiv:1909.02239 [astro-ph.HE]
2020 arXiv
-
[49]
M. Aguilaret al.(AMS), Precision Measurement of the Boron to Carbon Flux Ratio in Cosmic Rays from 1.9 GV to 2.6 TV with the Alpha Magnetic Spectrometer on the International Space Station, Phys. Rev. Lett.117, 231102 (2016)
2016
-
[50]
A. C. Fabian, A. M. Lohfink, E. Kara, M. L. Parker, R. V. Vasudevan, and C. S. Reynolds, Properties of agn coronae in the nustar era, Mon. Not. Roy. Astron. Soc. 451, 4375 (2015)
2015
-
[51]
Murase, S
K. Murase, S. S. Kimura, and P. Mészáros, Hidden cores of active galactic nuclei as the origin of medium- energy neutrinos: Critical tests with the mev gamma- ray connection, Phys. Rev. Lett.125, 011101 (2020), arXiv:1904.04226 [astro-ph.HE]
2020 arXiv
-
[52]
Sjöstrand, S
T. Sjöstrand, S. Ask, J. R. Christiansen, R. Corke, N. De- sai, P. Ilten, S. Mrenna, S. Prestel, C. O. Rasmussen, and P. Z. Skands, An introduction to PYTHIA 8.2, Com- put. Phys. Commun.191, 159 (2015), arXiv:1410.3012 [hep-ph]
2015 arXiv
-
[53]
Navaset al.(Particle Data Group), Review of particle physics, Phys
S. Navaset al.(Particle Data Group), Review of particle physics, Phys. Rev. D110, 030001 (2024)
2024
-
[54]
Martin, The Froissart bound for inelastic cross-sections, Phys
A. Martin, The Froissart bound for inelastic cross-sections, Phys. Rev. D80, 065013 (2009), arXiv:0904.3724 [hep-ph]
2009 arXiv
-
[55]
M. J. Kosset al., Bass. xxi. the data release 2 overview, Astrophys. J. Suppl.261, 1 (2022), arXiv:2207.12428 [astro-ph.HE]
2022 arXiv
-
[56]
C. M. Urry and P. Padovani, Unified schemes for radio- loud active galactic nuclei, Publ. Astron. Soc. Pac.107, 803 (1995), arXiv:astro-ph/9506063
1995 arXiv
-
[57]
R. D. Blandford and R. L. Znajek, Electromagnetic extractions of energy from Kerr black holes, Mon. Not. Roy. Astron. Soc.179, 433 (1977)
1977
-
[58]
Tchekhovskoy, R
A. Tchekhovskoy, R. Narayan, and J. C. McKinney, Efficient generation of jets from magnetically arrested accretion on rapidly spinning black holes, Mon. Not. Roy. Astron. Soc.418, L79 (2011), arXiv:1108.0412 [astro- ph.HE]
2011 arXiv
-
[59]
Ghisellini, F
G. Ghisellini, F. Tavecchio, L. Maraschi, A. Celotti, and T. Sbarrato, The power of relativistic jets is larger than the luminosity of their accretion disks, Nature515, 376 (2014), arXiv:1411.5368 [astro-ph.HE]
2014 arXiv
-
[60]
Cerruti, A
M. Cerruti, A. Zech, C. Boisson, G. Emery, S. In- oue, and J.-P. Lenain, Leptohadronic single-zone models for the electromagnetic and neutrino emission of TXS 0506+056, Mon. Not. Roy. Astron. Soc.483, L12 (2019), arXiv:1807.04335 [astro-ph.HE]
2019 arXiv
-
[61]
Murase, F
K. Murase, F. Oikonomou, and M. Petropoulou, Blazar Flares as an Origin of High-Energy Cosmic Neutrinos?, Astrophys. J.865, 124 (2018), arXiv:1807.04748 [astro- ph.HE]
2018 arXiv
-
[62]
Celotti and G
A. Celotti and G. Ghisellini, The power of blazar jets, Mon. Not. Roy. Astron. Soc.385, 283 (2008), arXiv:0711.4112 [astro-ph]
2008 arXiv
-
[63]
Marinucciet al., NuSTAR catches the unveiling nu- cleus of NGC 1068, Mon
A. Marinucciet al., NuSTAR catches the unveiling nu- cleus of NGC 1068, Mon. Not. Roy. Astron. Soc.456, L94 (2016), arXiv:1511.03503 [astro-ph.HE]
2016 arXiv
-
[64]
F. E. Baueret al., NuSTAR Spectroscopy of Multi- Component X-ray Reflection from NGC 1068, Astrophys. J.812, 116 (2015), arXiv:1411.0670 [astro-ph.HE]
2015 arXiv
-
[65]
Abbasiet al.(IceCube), Observation of high-energy neutrinos from the Galactic plane, Science380, adc9818 14 (2023), arXiv:2307.04427 [astro-ph.HE]
R. Abbasiet al.(IceCube), Observation of high-energy neutrinos from the Galactic plane, Science380, adc9818 14 (2023), arXiv:2307.04427 [astro-ph.HE]
2023
-
[66]
A. W. Strong, T. A. Porter, S. W. Digel, G. Jóhannes- son, P. Martin, I. V. Moskalenko, E. J. Murphy, and E. Orlando, Global Cosmic-Ray-Related Luminosity and Energy Budget of the Milky Way, Astrophys. J. Lett. 722, L58 (2010)
2010
-
[67]
Adrianiet al.(CALET), Measurement of the Cosmic- Ray Boron-to-Carbon Flux Ratio with CALET on the In- ternational Space Station, Phys
O. Adrianiet al.(CALET), Measurement of the Cosmic- Ray Boron-to-Carbon Flux Ratio with CALET on the In- ternational Space Station, Phys. Rev. Lett.129, 251103 (2022)
2022
-
[68]
Mucke, J
A. Mucke, J. P. Rachen, R. Engel, R. J. Protheroe, and T. Stanev, On photohadronic processes in astrophysical environments, Publ. Astron. Soc. Austral.16, 160 (1999), arXiv:astro-ph/9808279
1999 arXiv
-
[69]
W. H. Baumgartner, J. Tueller, C. B. Markwardt, G. K. Skinner, S. Barthelmy, R. F. Mushotzky, P. A. Evans, and N. Gehrels, The 70 month swift-bat all-sky hard x-ray survey, Astrophys. J. Suppl.207, 19 (2013), arXiv:1212.3336 [astro-ph.HE]
2013 arXiv
-
[70]
M. G. Aartsenet al.(IceCube-Gen2), IceCube-Gen2: the window to the extreme Universe, J. Phys. G48, 060501 (2021), arXiv:2008.04323 [astro-ph.HE]
2021
-
[71]
Alvarez-Munizet al.(GRAND), The Giant Radio Array for Neutrino Detection (GRAND): Science and De- sign, Sci
J. Alvarez-Munizet al.(GRAND), The Giant Radio Array for Neutrino Detection (GRAND): Science and De- sign, Sci. China Phys. Mech. Astron.63, 219501 (2020), arXiv:1810.09994 [astro-ph.HE]
2020 arXiv
-
[72]
A. N. Otte, Trinity: An Air-Shower Imaging System for the Detection of Ultrahigh Energy Neutrinos, Phys. Rev. D99, 083012 (2019), arXiv:1811.09287 [astro-ph.IM]
2019 arXiv
-
[73]
D. J. Fixsen, The temperature of the cosmic microwave background, The Astrophysical Journal707, 916–920 (2009)
2009
-
[74]
V. A. Acciariet al.(MAGIC), Measurement of the extra- galactic background light using MAGIC and Fermi-LAT gamma-ray observations of blazars up to z = 1, Mon. Not. Roy. Astron. Soc.486, 4233 (2019), arXiv:1904.00134 [astro-ph.HE]
2019 arXiv
-
[75]
Domínguez, J
A. Domínguez, J. R. Primack, D. J. Rosario, F. Prada, R. C. Gilmore, S. M. Faber, D. C. Koo, R. S. Somerville, M. A. Pérez-Torres, P. Pérez-González, J.-S. Huang, M. Davis, P. Guhathakurta, P. Barmby, C. J. Con- selice, M. Lozano, J. A. Newman, and M. C. Cooper, Extragalactic ...
2011 arXiv
-
[76]
Amaldiet al.(CERN-Pisa-Rome-Stony Brook), New Measurements of Proton Proton Total Cross-Section at the CERN Intersecting Storage Rings, Phys
U. Amaldiet al.(CERN-Pisa-Rome-Stony Brook), New Measurements of Proton Proton Total Cross-Section at the CERN Intersecting Storage Rings, Phys. Lett. B62, 460 (1976)
1976
-
[77]
Avilaet al.(E811), A Measurement of the proton- antiproton total cross-section at√s = 1.8-TeV, Phys
C. Avilaet al.(E811), A Measurement of the proton- antiproton total cross-section at√s = 1.8-TeV, Phys. Lett. B445, 419 (1999)
1999
-
[78]
Aaboudet al.(ATLAS), Measurement of the Inelastic Proton-Proton Cross Section at√s = 13TeV with the ATLAS Detector at the LHC, Phys
M. Aaboudet al.(ATLAS), Measurement of the Inelastic Proton-Proton Cross Section at√s = 13TeV with the ATLAS Detector at the LHC, Phys. Rev. Lett.117, 182002 (2016), arXiv:1606.02625 [hep-ex]
2016 arXiv
-
[79]
Chatrchyanet al.(CMS), Measurement of the inelastic proton-proton cross section at√s = 7TeV, Phys
S. Chatrchyanet al.(CMS), Measurement of the inelastic proton-proton cross section at√s = 7TeV, Phys. Lett. B722, 5 (2013), arXiv:1210.6718 [hep-ex]
2013 arXiv
-
[80]
Antchevet al.(TOTEM), First measurement of elas- tic, inelastic and total cross-section at√s = 13TeV by TOTEM and overview of cross-section data at LHC en- ergies, Eur
G. Antchevet al.(TOTEM), First measurement of elas- tic, inelastic and total cross-section at√s = 13TeV by TOTEM and overview of cross-section data at LHC en- ergies, Eur. Phys. J. C79, 103 (2019), arXiv:1712.06153 [hep-ex]
2019 arXiv
-
[81]
Abelevet al.(ALICE), Measurement of inelastic, single- and double-diffraction cross sections in proton– proton collisions at the LHC with ALICE, Eur
B. Abelevet al.(ALICE), Measurement of inelastic, single- and double-diffraction cross sections in proton– proton collisions at the LHC with ALICE, Eur. Phys. J. C73, 2456 (2013), arXiv:1208.4968 [hep-ex]
2013 arXiv
-
[82]
Abreuet al.(Pierre Auger), Measurement of the proton-air cross-section at√s = 57TeV with the Pierre Auger Observatory, Phys
P. Abreuet al.(Pierre Auger), Measurement of the proton-air cross-section at√s = 57TeV with the Pierre Auger Observatory, Phys. Rev. Lett.109, 062002 (2012), arXiv:1208.1520 [hep-ex]
2012 arXiv
-
[83]
R. U. Abbasiet al.(Telescope Array), Measurement of the proton-air cross section with Telescope Array’s Middle Drum detector and surface array in hybrid mode, Phys. Rev. D92, 032007 (2015), arXiv:1505.01860 [astro- ph.HE]
2015 arXiv
-
[84]
Ulrich, R
R. Ulrich, R. Engel, and M. Unger, Hadronic Mul- tiparticle Production at Ultra-High Energies and Ex- tensive Air Showers, Phys. Rev. D83, 054026 (2011), arXiv:1010.4310 [hep-ph]
2011 arXiv
-
[85]
Adloffet al.(H1), Measurement of the proton struc- ture function F(2) at very low Q**2 at HERA, Phys
C. Adloffet al.(H1), Measurement of the proton struc- ture function F(2) at very low Q**2 at HERA, Phys. Lett. B520, 183 (2001), arXiv:hep-ex/0108035 [hep-ex]
2001 arXiv
-
[86]
Chekanovet al.(ZEUS), Measurement of the photon- proton total cross section at a center-of-mass energy of 209 GeV at HERA, Nucl
S. Chekanovet al.(ZEUS), Measurement of the photon- proton total cross section at a center-of-mass energy of 209 GeV at HERA, Nucl. Phys. B627, 3 (2002), arXiv:hep-ex/0202034 [hep-ex]
2002 arXiv
-
[87]
Froissart, Asymptotic behavior and subtractions in the Mandelstam representation, Phys
M. Froissart, Asymptotic behavior and subtractions in the Mandelstam representation, Phys. Rev.123, 1053 (1961)
1961
-
[88]
1., Nuovo Cim
A.Martin,Extensionoftheaxiomaticanalyticitydomain of scattering amplitudes by unitarity. 1., Nuovo Cim. A 42, 930 (1965)
1965
-
[89]
Alvarez-Muniz, J
J. Alvarez-Muniz, J. L. Feng, F. Halzen, T. Han, and D. Hooper, Detecting microscopic black holes with neutrino telescopes, Phys. Rev. D65, 124015 (2002), arXiv:hep-ph/0202081
2002 arXiv
-
[90]
Albuquerque, G
I. Albuquerque, G. Burdman, and Z. Chacko, Neutrino telescopes as a direct probe of supersymmetry break- ing, Phys. Rev. Lett.92, 221802 (2004), arXiv:hep- ph/0312197
2004
-
[91]
L. A. Anchordoqui, C. A. Garcia Canal, H. Goldberg, D. Gomez Dumm, and F. Halzen, Probing leptoquark production at IceCube, Phys. Rev. D74, 125021 (2006), arXiv:hep-ph/0609214
2006 arXiv
-
[92]
Herrera and S
G. Herrera and S. Horiuchi, High-Energy Neutrinos from Cosmic-Ray Scatterings with Supernova Neutri- nos, (2025), arXiv:2508.11891 [hep-ph]
2025 arXiv
-
[93]
Pontiet al., Fifteen years of XMM–Newton and Chandra monitoring of Sgr A⋆: evidence for a recent increase in the bright flaring rate, Mon
G. Pontiet al., Fifteen years of XMM–Newton and Chandra monitoring of Sgr A⋆: evidence for a recent increase in the bright flaring rate, Mon. Not. Roy. Astron. Soc.454, 1525 (2015), arXiv:1507.02690 [astro-ph.HE]
2015 arXiv
-
[94]
Moriet al., NuSTAR Hard X-ray Survey of the Galac- tic Center Region
K. Moriet al., NuSTAR Hard X-ray Survey of the Galac- tic Center Region. I. Hard X-ray Morphology and Spec- troscopy of the Diffuse Emission, Astrophys. J.814, 94 (2015), arXiv:1510.04631 [astro-ph.HE]
2015 arXiv
-
[95]
M. G. Aartsenet al.(IceCube), The IceCube Neu- trino Observatory: Instrumentation and Online Systems, JINST12(03), P03012, [Erratum: JINST 19, E05001 (2024)], arXiv:1612.05093 [astro-ph.IM]
2024 arXiv
-
[96]
Adrian-Martinezet al.(KM3Net), Letter of in- tent for KM3NeT 2.0, J
S. Adrian-Martinezet al.(KM3Net), Letter of in- tent for KM3NeT 2.0, J. Phys. G43, 084001 (2016), arXiv:1601.07459 [astro-ph.IM]
2016 arXiv
-
[97]
Agostiniet al.(P-ONE), The Pacific Ocean Neu- trino Experiment, Nature Astron.4, 913 (2020), arXiv:2005.09493 [astro-ph.HE]
M. Agostiniet al.(P-ONE), The Pacific Ocean Neu- trino Experiment, Nature Astron.4, 913 (2020), arXiv:2005.09493 [astro-ph.HE]. 15
2020 arXiv
-
[98]
A. D. Avrorinet al., Status and recent results of the BAIKAL-GVD project, Phys. Part. Nucl.46, 211 (2015)
2015
-
[99]
Z. P. Yeet al.(TRIDENT), A multi-cubic-kilometre neutrino telescope in the western Pacific Ocean, Nature Astron.7, 1497 (2023), arXiv:2207.04519 [astro-ph.HE]
2023
-
[100]
C. A. Argüelleset al.(TAMBO), TAMBO: A Deep- Valley Neutrino Observatory, (2025), arXiv:2507.08070 [astro-ph.HE]
2025 arXiv
-
[101]
A. N. Otte (Trinity), The Trinity-One PeV-Neutrino Tele- scope, PoSICRC2025, 1136 (2025), arXiv:2509.18237 [astro-ph.HE]
2025
-
[102]
K.Koteraet al.(GRAND,Beacon),TheHybridElevated Radio Observatory for Neutrinos (HERON) Project, PoSICRC2025, 1078 (2025), arXiv:2507.04382 [astro- ph.IM]
2025 arXiv
-
[103]
J. A. Aguilaret al.(RNO-G), Design and Sensitivity of the Radio Neutrino Observatory in Greenland (RNO-G), JINST16(03), P03025, [Erratum: JINST 18, E03001 (2023)], arXiv:2010.12279 [astro-ph.IM]
2023 arXiv
-
[104]
Abarret al.(PUEO), The Payload for Ultrahigh Energy Observations (PUEO): a white paper, JINST16 (08), P08035, arXiv:2010.02892 [astro-ph.IM]
Q. Abarret al.(PUEO), The Payload for Ultrahigh Energy Observations (PUEO): a white paper, JINST16 (08), P08035, arXiv:2010.02892 [astro-ph.IM]
2010 arXiv
-
[105]
Southallet al.(BEACON), Searching for RF-Only Triggered Cosmic Ray Events with the High-Elevation BEACON Prototype, PoSICRC2021, 1084 (2021)
D. Southallet al.(BEACON), Searching for RF-Only Triggered Cosmic Ray Events with the High-Elevation BEACON Prototype, PoSICRC2021, 1084 (2021)
2021
-
[106]
Bierlichet al., A comprehensive guide to the physics and usage of PYTHIA 8.3, SciPost Phys
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]. Appendix A: Neutrino energy fractions fromPythia 8 The neutrino energy fractionξν entering Eq. (1) is conventionally taken asξν ≃ 0.0...
2022 arXiv
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