Reliability of Monte Carlo event generators for gamma ray dark matter searches

A. de la Cruz-Dombriz; A. L. Maroto; J. A. R. Cembranos; R. A. Lineros; V. Gammaldi

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Reliability of Monte Carlo event generators for gamma ray dark matter searches

J. A. R. Cembranos, A. de la Cruz-Dombriz, V. Gammaldi, R. A. Lineros, A. L. Maroto

High Energy Physics - Phenomenology · Submitted 9 May 2013

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim For all the studied channels, the intrinsic differences between them are shown to be significative and may play an important role in misunderstanding dark matter signals.

how it is stated · asserted 0.62 read the record →

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arXiv ID1305.2124 (version 3)

Pith IDZLGDMWCC, Pith's permanent record of this paper and its review

CitationA. de la Cruz-Dombriz, A. L. Maroto, J. A. R. Cembranos, R. A. Lineros, V. Gammaldi. "Reliability of Monte Carlo event generators for gamma ray dark matter searches." arXiv:1305.2124 (2013). https://pith.science/paper/ZLGDMWCC

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What the abstract itself states, as probabilities: claims first 0.03 · states limitation 0.23 · human participants 0.02 · controlled comparison 0.10 · randomized assignment 0.02 · states quantitative result 0.07 · compares with prior results 0.52 · mentions code or data availability 0.03.

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We study the differences in the gamma ray spectra simulated by four Monte Carlo event generator packages developed in particle physics. Two different versions of PYTHIA and two of HERWIG are analyzed, namely PYTHIA 6.418 and HERWIG 6.5.10 in Fortran and PYTHIA 8.165 and HERWIG 2.6.1 in C++. For all the studied channels, the intrinsic differences between them are shown to be significative and may play an important role in misunderstanding dark matter signals.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#	sentence	role	the authors' own work	states the main conclusion	strength
s0	We study the differences in the gamma ray spectra simulated by four Monte Carlo event generator packages developed in particle physics.	contribution 1.00	0.90	0.05	asserted 0.57
s1	Two different versions of PYTHIA and two of HERWIG are analyzed, namely PYTHIA 6.418 and HERWIG 6.5.10 in Fortran and PYTHIA 8.165 and HERWIG 2.6.1 in C++.	method 0.94	0.60	0.02	asserted 0.86
s2	For all the studied channels, the intrinsic differences between them are shown to be significative and may play an important role in misunderstanding dark matter signals.	interpretation 0.53	0.92	0.88	asserted 0.62

What kind of paper the classifier reports this is: simulation study 1.00 · evidence from simulation or computation 0.98.

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sources read

arXiv listing abstract v3

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full text
figures and tables
references and citing sentences
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T body sentences
C citations
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Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper

Original abstract

We study the differences in the gamma ray spectra simulated by four Monte Carlo event generator packages developed in particle physics. Two different versions of PYTHIA and two of HERWIG are analyzed, namely PYTHIA 6.418 and HERWIG 6.5.10 in Fortran and PYTHIA 8.165 and HERWIG 2.6.1 in C++. For all the studied channels, the intrinsic differences between them are shown to be significative and may play an important role in misunderstanding dark matter signals.

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References

Forward citations

Cited by 6 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

Sensitivity of the Cherenkov Telescope Array to a dark matter signal from the Galactic centre
astro-ph.HE 2020-07 conditional novelty 6.0 of 10

A template-fitting forecast finds the Cherenkov Telescope Array can reach the thermal annihilation cross-section for TeV dark matter annihilating to W bosons, if instrumental systematics stay near 1% and diffuse Galac...
Dark Matter Spectra from the Electroweak to the Planck Scale
hep-ph 2020-07 accept novelty 6.0 of 10

A three-stage calculation (unbroken-Standard-Model DGLAP evolution, analytic matching at the weak scale, Pythia below it) produces prompt dark matter decay spectra up to the Planck scale, released as public code.
MadDM v.3.0: a Comprehensive Tool for Dark Matter Studies
hep-ph 2018-03 accept novelty 6.0 of 10

The release adds indirect detection, including annihilation spectra for arbitrary multi-particle final states, a Fermi-LAT dwarf-spheroidal likelihood, and nested-sampling parameter scans, all validated against MicrOM...
A description of the Galactic Center excess in the Minimal Supersymmetric Standard Model
hep-ph 2015-02 conditional novelty 5.0 of 10

Three pMSSM neutralino scenarios, at 84-97 GeV annihilating to W bosons and 174-187 GeV annihilating to top quarks, fit the Fermi Galactic Center GeV excess once a 10% theory uncertainty is allowed.
Dark Matter and Pulsar Model Constraints from Galactic Center Fermi-LAT Gamma Ray Observations
astro-ph.HE 2013-06 conditional novelty 5.0 of 10

Once diffuse-background systematics are folded into the goodness-of-fit test, the Galactic center gamma-ray excess rejects pure tau+tau- dark matter annihilation but accepts a b-bbar plus lepton mixture at 20 to 60 Ge...

Show 1 more citing papers

Dark matter and collider signatures of the MSSM
hep-ph 2013-06 conditional novelty 5.0 of 10

In a nine-parameter MSSM scan, neutralino dark matter consistent with muon g-2 and not yet excluded by LHC electroweak searches sits between 200 and 500 GeV, and the XENON100 bound weakens once a new pion-nucleon sigm...

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18 arXiv papers cite this in 27 sentences

Each citing sentence is taken from the citing paper's LaTeX source and typed by Pith's classifier. A label appears at probability 0.8 or more (0.95 for support), a contest at 0.7 or more; the quoted words are the citing authors'. How each label was checked · JSON

Papers citing it · 21 sentences without a confident label

Contests it 1 paper

It has recently been pointed out that there are discrepancies [ref] between the gamma ray spectra calculated with (Fortran version) and [ref] (C++ version), that software analysis using interpolating functions can overestimate the energy cut-off of the gamma-ray spectra [ref] , and that not considering electroweak corrections can also create deviations between predicted DM annihilitions spectra [ref] .

Dark Matter and Pulsar Model Constraints from Galactic Center Fermi-LAT Gamma Ray Observations · Dark Matter and Pulsars Maps · contest 0.72

Builds on it 2 papers

[ref] , but we expand upon these works by considering a broader range of yield particles beyond photons, as well as polarised final states.

Effect of polarisation and choice of event generator on spectra from dark matter annihilations · Introduction · 1.00
Here, we focused on DM particle mass of $1$ TeV (see [ref] for the same analysis with $100 GeV$ DM annihilating into $W^+W^-$, $bb̅$, $τ^+τ^-$ or $500$ GeV DM mass in the case of $tt̅$ and further details on $1$ TeV DM mass for more channels).

Gamma-ray and neutrino fluxes from Heavy Dark Matter in the Galactic Center · Monte Carlo uncertainty on photons flux · 0.85

Uses its data or values 1 paper

The multiplicity behavior is well approximated by the following power law relation with the DM mass: [equation] The $a$ and $b$ coefficients are given in [ref] .

Gamma-ray and neutrino fluxes from Heavy Dark Matter in the Galactic Center · Monte Carlo uncertainty on photons flux · 0.93

Compares with it 1 paper

Minor differences may be explained by: 1) newly updated data by the H.E.S.S. collaboration in the region [ref] ; 2) the inclusion of the DRAGON background model instead of the simple power-law [ref] ; 3) the use of a different Monte Carlo event generator software to model the gamma-ray annihilation flux [ref] .

Multi-TeV dark matter density in the inner Milky Way halo: spectral and dynamical constraints · VIR · 0.87

Cites it as background 1 paper

We discuss here briefly sources for uncertainties in the predicted photon spectrum (see [ref] for an earlier assessment), and leave a more detailed study to a future publication.

A description of the Galactic Center excess in the Minimal Supersymmetric Standard Model · Uncertainties in the predicted photon spectrum · 0.93

What it cites · 4 sentences without a confident label

Cites as background 3 papers

Therefore, let us study separately the technicalities of each part as follows (read [ref] for further details):

Monte Carlo Event Generators · Monte Carlo Parton Shower · 0.96
On the other hand, local DM can be detected in a direct or indirect way [ref] .

Dark matter with photons · Introduction · 0.94
On the other hand, local DM can be detected in a direct or indirect way [ref] .

Spectral Study of the HESS J1745-290 Gamma-Ray Source as Dark Matter Signal · Introduction · 0.94

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