Highlights from the 7 year High Energy Starting Event sample in Icecube

Kareem Farrag

arxiv: 1906.09623 · v1 · pith:2T255VKPnew · submitted 2019-06-23 · ✦ hep-ex · astro-ph.HE· hep-ph

Highlights from the 7 year High Energy Starting Event sample in Icecube

Kareem Farrag This is my paper

Pith reviewed 2026-05-25 17:41 UTC · model grok-4.3

classification ✦ hep-ex astro-ph.HEhep-ph

keywords IceCubeHESEneutrino flavornew physicsPlanck scaleastrophysical neutrinos

0 comments

The pith

IceCube neutrino flavor data enables a new physics search reaching the Planck scale.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper outlines the main highlights from seven years of High Energy Starting Events collected by IceCube. It describes a search for new physics that uses the flavor composition of astrophysical neutrinos. This search is presented as reaching the Planck scale for the first time. A sympathetic reader would care because the approach offers a route to test fundamental physics at extreme energies using cosmic neutrinos rather than particle accelerators.

Core claim

The paper claims that astrophysical neutrino flavor data from the seven-year HESE sample can be used for a new physics search that reaches the Planck scale for the first time.

What carries the argument

Neutrino flavor ratios extracted from the High Energy Starting Events sample, interpreted as a probe of new physics.

If this is right

The search places constraints on new physics models at Planck energies using neutrino flavor data.
It tests effects such as Lorentz invariance violation at scales inaccessible to accelerators.
It establishes a template for future neutrino observatories to conduct similar Planck-scale probes.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

Additional years of data could sharpen the constraints or reveal deviations if new physics is present.
The method could be cross-checked against other high-energy messengers like gamma rays for consistency.

Load-bearing premise

The flavor data from the HESE sample can be interpreted as a probe of new physics at the Planck scale assuming standard astrophysical production mechanisms and minimal systematic effects in flavor identification.

What would settle it

A calculation or measurement demonstrating that uncertainties in flavor identification or in assumed astrophysical production mechanisms exceed the sensitivity needed to reach Planck-scale effects.

Figures

Figures reproduced from arXiv: 1906.09623 by Kareem Farrag.

**Figure 1.** Figure 1: Left shows illustration of astrophysical neutrino i [PITH_FULL_IMAGE:figures/full_fig_p002_1.png] view at source ↗

**Figure 2.** Figure 2: Left plot shows HESE 7 energy distribution. The [PITH_FULL_IMAGE:figures/full_fig_p002_2.png] view at source ↗

**Figure 3.** Figure 3: Ternary plot shows current sensitivity and data cont [PITH_FULL_IMAGE:figures/full_fig_p003_3.png] view at source ↗

read the original abstract

Here we outline the main highlights from the 7 year High Energy Starting Events (HESE) event sample. The next new physics search using astrophysical neutrino flavor data is described, where we reach the Planck scale for the first time.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Desk Editor's Note private letter to a colleague

This is a short conference-style highlight note on IceCube's 7-year HESE sample that states a flavor-based new physics search reaches the Planck scale but gives no data, methods, or sensitivity estimates to support the claim.

read the letter

The one thing to know is that this document is a brief summary of highlights from the 7-year High Energy Starting Events sample rather than a full analysis paper. It updates the event sample and flags a new physics search using neutrino flavor ratios, claiming to reach the Planck scale for the first time. The 7-year data extension itself is incremental work that builds on earlier IceCube HESE releases, which is the main concrete content here. The flavor search is presented as the next step but without any numbers on tagged events, oscillation probabilities, or limits derived from the sample. The paper does a reasonable job of listing the main points from the existing dataset in a compact form for people already tracking IceCube results. The central claim about Planck-scale sensitivity stands out as unsupported in the text. No sensitivity curves, no propagation of source composition uncertainties, and no assessment of flavor identification systematics appear. The stress-test concern holds: mapping observed ratios to Planck-suppressed effects requires the astrophysical production ratio to be known precisely and systematics to be negligible compared to the effect size, yet neither is addressed. Without those elements the reach cannot be checked. This kind of note is useful mainly for conference attendees or collaborators who want a quick recap of the sample status. It lacks the depth or evidence for a journal article. I would not bring it to reading group or cite it as a new result. Skip sending it for peer review as a research paper; it reads like proceedings notes.

Referee Report

1 major / 1 minor

Summary. The manuscript outlines the main highlights from the 7-year High Energy Starting Events (HESE) sample collected by IceCube and describes a new physics search that uses astrophysical neutrino flavor data to reach the Planck scale for the first time.

Significance. A substantiated demonstration that flavor ratios in the HESE sample can constrain new-physics parameters at the Planck scale would constitute a significant result for high-energy neutrino astrophysics. The provided text, however, contains no supporting data, sensitivity curves, or quantitative analysis, preventing any positive assessment of significance.

major comments (1)

[Abstract] Abstract: the central claim that the described search 'reach[es] the Planck scale for the first time' is unsupported by any quantitative elements (e.g., sensitivity to Planck-suppressed operators, propagation of source-composition uncertainty, or number of flavor-tagged events above 100 TeV). This absence renders the claim unverifiable and load-bearing for the paper's stated contribution.

minor comments (1)

The manuscript is extremely brief; if intended as a full article, the promised 'highlights' and search methodology should be expanded with explicit results, tables, or figures.

Simulated Author's Rebuttal

1 responses · 0 unresolved

We thank the referee for their review. We address the single major comment below.

read point-by-point responses

Referee: [Abstract] Abstract: the central claim that the described search 'reach[es] the Planck scale for the first time' is unsupported by any quantitative elements (e.g., sensitivity to Planck-suppressed operators, propagation of source-composition uncertainty, or number of flavor-tagged events above 100 TeV). This absence renders the claim unverifiable and load-bearing for the paper's stated contribution.

Authors: This is a short highlight/proceedings contribution whose purpose is to outline the 7-year HESE sample and to flag the existence of a new flavor-based new-physics analysis. The detailed quantitative elements (sensitivity curves, operator reach, source-composition propagation, and event statistics above 100 TeV) are not contained in the present text and belong to a separate, dedicated analysis. We therefore agree that the unqualified claim in the abstract is not supported here. In revision we will replace the sentence with a qualified statement that the search method has the potential to reach Planck-scale operators, removing the assertion that this manuscript itself demonstrates that reach. The change will be made in the next version. revision: yes

Circularity Check

0 steps flagged

No circularity: paper is descriptive highlights with no load-bearing derivation chain.

full rationale

The provided text consists of an abstract and a one-sentence description of highlights from the 7-year HESE sample, stating that a new physics search using astrophysical neutrino flavor data reaches the Planck scale. No equations, fitted parameters, self-citations, ansatzes, or derivation steps are present that reduce a claimed result to its own inputs by construction. The Planck-scale claim is asserted as a description of the search rather than derived from data in a manner that would trigger any of the enumerated circularity patterns. The document is self-contained as a summary and does not attempt to prove or derive the reach via internal logic that loops back to itself.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

No specific free parameters, axioms, or invented entities can be identified from the abstract alone.

pith-pipeline@v0.9.0 · 5549 in / 1227 out tokens · 34519 ms · 2026-05-25T17:41:40.596391+00:00 · methodology

discussion (0)

Lean theorems connected to this paper

Citations machine-checked in the Pith Canon. Every link opens the source theorem in the public Lean library.

IndisputableMonolith/Foundation/RealityFromDistinction.lean reality_from_one_distinction unclear

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unclear
Relation between the paper passage and the cited Recognition theorem.

The next new physics search using astrophysical neutrino flavor data is described, where we reach the Planck scale for the first time.

What do these tags mean?

matches: The paper's claim is directly supported by a theorem in the formal canon.
supports: The theorem supports part of the paper's argument, but the paper may add assumptions or extra steps.
extends: The paper goes beyond the formal theorem; the theorem is a base layer rather than the whole result.
uses: The paper appears to rely on the theorem as machinery.
contradicts: The paper's claim conflicts with a theorem or certificate in the canon.
unclear: Pith found a possible connection, but the passage is too broad, indirect, or ambiguous to say the theorem truly supports the claim.

Reference graph

Works this paper leans on

5 extracted references · 5 canonical work pages

[1]

M. G. Aartsen et al. [IceCube Collaboration], JINST 12, no. 03, P03012 (2017)

work page 2017
[2]

M. G. Aartsen et al. [IceCube Collaboration], Science 342, 1242856 (2013)

work page 2013
[3]

Stachurska [IceCube Collaboration], EPJ Web Conf

J. Stachurska [IceCube Collaboration], EPJ Web Conf. 207, 02005 (2019)

work page 2019
[4]

C. A. Arg¨ uelles et al. , JCAP 1807, no. 07, 047 (2018)

work page 2018
[5]

V. A. Kostelecky, Phys. Rev. D 69, 105009 (2004)

work page 2004

[1] [1]

M. G. Aartsen et al. [IceCube Collaboration], JINST 12, no. 03, P03012 (2017)

work page 2017

[2] [2]

M. G. Aartsen et al. [IceCube Collaboration], Science 342, 1242856 (2013)

work page 2013

[3] [3]

Stachurska [IceCube Collaboration], EPJ Web Conf

J. Stachurska [IceCube Collaboration], EPJ Web Conf. 207, 02005 (2019)

work page 2019

[4] [4]

C. A. Arg¨ uelles et al. , JCAP 1807, no. 07, 047 (2018)

work page 2018

[5] [5]

V. A. Kostelecky, Phys. Rev. D 69, 105009 (2004)

work page 2004