Gluon radiation by heavy quarks at intermediate energies

Joerg AICHELIN; Pol Bernard Gossiaux; Thierry Gousset

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Gluon radiation by heavy quarks at intermediate energies

Joerg Aichelin, Pol Bernard Gossiaux, Thierry Gousset

High Energy Physics - Phenomenology · Submitted 19 Jul 2013

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

The authors' main claim In the regime of accessible phenomenology we observe that the emission at small transverse momentum (dead cone effect) is less suppressed than originally suggested.

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arXiv ID1307.5270 (version 2)

Pith ID2PTPW6ON, Pith's permanent record of this paper and its review

CitationJoerg AICHELIN, Pol Bernard Gossiaux, Thierry Gousset. "Gluon radiation by heavy quarks at intermediate energies." arXiv:1307.5270 (2013). https://pith.science/paper/2PTPW6ON

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What the abstract itself states, as probabilities: claims first 0.03 · states limitation 0.38 · human participants 0.01 · controlled comparison 0.15 · randomized assignment 0.01 · states quantitative result 0.08 · compares with prior results 0.96 · mentions code or data availability 0.02.

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arXiv listing abstract v2. Results and the main claim are underlined; show every role.

Employing scalar QCD we study the gluon emission of heavy quarks created by the interaction with light quarks considered as dynamical scattering centers. We develop approximation formulas for the high energy limit and study when the full calculation reaches this high energy limit. For zero quark masses and in the high energy limit our model reproduces the Gunion-Bertsch results. We justify why scalar QCD represents a good approximation to the full QCD approach for the energy loss of heavy quarks. In the regime of accessible phenomenology we observe that the emission at small transverse momentum (dead cone effect) is less suppressed than originally suggested. We also investigate the influence of a finite gluon mass on the discussed results.

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	Employing scalar QCD we study the gluon emission of heavy quarks created by the interaction with light quarks considered as dynamical scattering centers.	contribution 0.68	0.93	0.05	asserted 0.90
s1	We develop approximation formulas for the high energy limit and study when the full calculation reaches this high energy limit.	contribution 0.72	0.96	0.07	asserted 0.96
s2	For zero quark masses and in the high energy limit our model reproduces the Gunion-Bertsch results.	result 0.98	0.79	0.12	asserted 1.00
s3	We justify why scalar QCD represents a good approximation to the full QCD approach for the energy loss of heavy quarks.	contribution 0.54	0.91	0.15	asserted 1.00
s4	In the regime of accessible phenomenology we observe that the emission at small transverse momentum (dead cone effect) is less suppressed than originally suggested.	result 1.00	0.94	0.42	asserted 1.00
s5	We also investigate the influence of a finite gluon mass on the discussed results.	contribution 0.98	0.87	0.05	unclear 0.69

What kind of paper the classifier reports this is: theoretical result 1.00 · evidence from proof or derivation 0.84.

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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

Employing scalar QCD we study the gluon emission of heavy quarks created by the interaction with light quarks considered as dynamical scattering centers. We develop approximation formulas for the high energy limit and study when the full calculation reaches this high energy limit. For zero quark masses and in the high energy limit our model reproduces the Gunion-Bertsch results. We justify why scalar QCD represents a good approximation to the full QCD approach for the energy loss of heavy quarks. In the regime of accessible phenomenology we observe that the emission at small transverse momentum (dead cone effect) is less suppressed than originally suggested. We also investigate the influence of a finite gluon mass on the discussed results.

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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

Extraction of Heavy-Flavor Transport Coefficients in QCD Matter
nucl-th 2018-03 conditional novelty 6.0 of 10

A cross-model comparison finds that a common perturbative heavy-quark interaction underestimates D-meson elliptic flow by about a factor of two, implying the heavy-flavor diffusion coefficient is well below Ds(2πT)=6.
Inclusive, prompt and non-prompt J/$\psi$ production at mid-rapidity in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV
nucl-ex 2015-04 accept novelty 6.0 of 10

In Pb-Pb collisions at 2.76 TeV, inclusive J/psi production is less suppressed at low transverse momentum than at high, and non-prompt J/psi from beauty decays is suppressed more strongly than most models predict.
Energy loss of heavy-flavor quarks in color string medium
hep-ph 2025-09 unverdicted novelty 5.0 of 10

Preliminary simulations show charm quarks lose significantly less transverse momentum in a fluctuating color string medium than in the hydrodynamic expansion of the EPOS4HQ model.
Towards the determination of heavy-quark transport coefficients in quark-gluon plasma
nucl-th 2018-09 conditional novelty 5.0 of 10

Tuning six heavy-quark transport models to a common static-medium benchmark reduces the spread in their extracted drag coefficients from a factor of five to a factor of two.
Azimuthal correlations of heavy quarks in Pb+Pb collisions at LHC ($\sqrt{s}=2.76$ TeV)
hep-ph 2013-05 conditional novelty 5.0 of 10

In a Monte Carlo simulation of heavy-quark propagation through the quark-gluon plasma, purely collisional energy loss broadens the quark-antiquark azimuthal correlation more than collisional plus radiative loss, and t...

Show 1 more citing papers

Heavy-flavor production and medium properties in high-energy nuclear collisions - What next?
nucl-th 2016-12 accept novelty 1.0 of 10

The heavy-flavor community's 2016 consensus roadmap names B-meson suppression near 10 GeV, open charm and bottom cross sections to 10 percent accuracy, and quarkonium feed-down measurements as the priorities for the n...

How the literature uses it

17 arXiv papers cite this in 26 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 · 16 sentences without a confident label

Builds on it 1 paper

For the incoherent gluon radiation spectra the calculation in [ref] are extended to finite quark masses [ref] .

Elliptic and triangular flow of heavy flavor in heavy-ion collisions · Introduction · 0.97

Uses its method or tool 5 papers

In the standard MC@sHQ approach [ref] the heavy quarks can interact with the plasma constituents purely elastically or in a combination of elastic and inelastic collisions.

Degrees of Freedom of the Quark Gluon Plasma, tested by Heavy Mesons · The standard MC@sHQ approach · 0.89
Heavy quarks propagate through the QGP and experience elastic [ref] and radiative collisions [ref] with the plasma constituents (assumed to be massless).

Towards the determination of heavy-quark transport coefficients in quark-gluon plasma · Nantes approach · 0.81
We include both, elastic [ref] and radiative [ref] collisions.

System size dependence of energy loss and correlations of heavy mesons at LHC energies · heavy quark production and evolution in EPOS4 · 0.89

Compares with it 2 papers

In fig:raanonprompt the nuclear modification factor for non-prompt for $1.5 < < 4.5$ and $4.5 < < 10$ is shown together with the result by CMS for $6.5 < < 30$ [ref] and with theoretical model predictions [ref] .

Inclusive, prompt and non-prompt J/$\psi$ production at mid-rapidity in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV · Results · 0.97
The Nantes calculation [ref] is characterized by a running $α_s$, reaching rather large values, and a reduced Debye mass in the elastic HQ scattering that triggers the radiation; it has been constructed to be primarily applicable at intermediate $p_t$ and therefore neglects finite-path length effects due to gluon formation outside the QGP.

Extraction of Heavy-Flavor Transport Coefficients in QCD Matter · Reference Results in an Infinite and Finite QGP · 0.94

Cites it as support 1 paper

The suppression of the emission of gluons with finite masses has been shown in Ref. [ref] .

Exploring jet transport coefficients by elastic scattering in the strongly interacting quark-gluon plasma · Introduction · 1.00

Cites it as background 1 paper

The emission of massless and massive gluons by heavy quark scattering with massless quarks and gluons from the QGP medium has been studied within scalar pQCD in Refs. [ref] .

Inelastic and elastic parton scatterings in the strongly interacting quark-gluon plasma · Introduction · 0.98

What it cites · 3 sentences without a confident label

Uses the method or tool of 1 paper

The same viewpoint will be adopted in the present work in order to deduce and study the radiative cross section that will be later implemented in our Monte Carlo simulations in the same spirit as [ref] .

Radiative parton processes in perturbative QCD - an improved version of the Gunion and Bertsch cross section from comparisons to the exact result · Introduction · 0.81

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