Diffractive structure function F_L^D from fits with higher twist

Agnieszka Luszczak; Krzysztof Golec-Biernat

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Diffractive structure function F_L^D from fits with higher twist

Krzysztof Golec-Biernat, Agnieszka Luszczak

High Energy Physics - Phenomenology · Submitted 18 Nov 2007

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

The authors' main claim This contribution describes diffractive qqbar production from longitudinal photons and significantly changes predictions for F_L^D obtained in pure DGLAP analyses.

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What the abstract itself states, as probabilities: claims first 0.04 · states limitation 0.11 · human participants 0.01 · controlled comparison 0.23 · randomized assignment 0.01 · states quantitative result 0.05 · compares with prior results 0.84 · mentions code or data availability 0.02.

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We make predictions for the diffractive longitudinal structure function F_L^D to be measured at HERA, based on DGLAP fits of diffractive parton distributions with twist--4 contribution. This contribution describes diffractive qqbar production from longitudinal photons and significantly changes predictions for F_L^D obtained in pure DGLAP analyses.

background contribution method result interpretation main claim

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#	sentence	role	the authors' own work	states the main conclusion	strength
s0	We make predictions for the diffractive longitudinal structure function F_L^D to be measured at HERA, based on DGLAP fits of diffractive parton distributions with twist--4 contribution.	contribution 0.93	0.88	0.28	asserted 0.91
s1	This contribution describes diffractive qqbar production from longitudinal photons and significantly changes predictions for F_L^D obtained in pure DGLAP analyses.	interpretation 0.51	0.51	0.53	asserted 1.00

What kind of paper the classifier reports this is: theoretical result 0.98 · evidence from simulation or computation 0.51.

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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 make predictions for the diffractive longitudinal structure function F_L^D to be measured at HERA, based on DGLAP fits of diffractive parton distributions with twist--4 contribution. This contribution describes diffractive qqbar production from longitudinal photons and significantly changes predictions for F_L^D obtained in pure DGLAP analyses.

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What this paper does with the arXiv papers it cites

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 whose main result relates to this one's

Found among the papers closest to this one by title and main claim. Pith's classifier compared each pair's main results and a second model family confirmed the relation; checked against two further families, shown conflicts agreed 118 times in 120 and shown same results 218 times in 239. The quoted sentence is the other paper's main claim.

States the same result 1 paper

A new prediction for the longitudinal diffractive structure function is presented which differs significantly from that obtained in the pure twist--2 analyses.

Diffractive parton distributions from the analysis with higher twist · 0.99

What it cites · 12 sentences without a confident label

Uses the method or tool of 1 paper

We used the following form of the twist–4 contribution which has to be added to the diffractive structure functions $F_2^D(tw2)$ and $F_L^D(tw2)$ [ref] :

Diffractive parton distributions from the saturation model · Twist–4 contribution · 0.93

Uses data or values from 6 papers

The dipole cross section parameters, $σ_0=29 mb, x_0=4·10^-5$ and $λ=0.28$, are taken from [ref] (Fit 2 with charm).

Saturation Effects in Deep Inelastic Scattering at low $Q^2$ and its Implications on Diffraction · Twist–4 contribution · 1.00
In our analysis, we use diffractive data on $F_2^D$ (or reduced cross section $σ_r^D$) from the H1 [ref] and ZEUS [ref] collaborations.

Study of deep inelastic inclusive and diffractive scattering with the ZEUS forward plug calorimeter · Fit results · 1.00
In our analysis, we use diffractive data on $F_2^D$ (or reduced cross section $σ_r^D$) from the H1 [ref] and ZEUS [ref] collaborations.

Diffractive Deep-Inelastic Scattering with a Leading Proton at HERA · Fit results · 1.00

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