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Single and Double BFKL Pomeron Exchange and a Dipole Picture of High Energy Hard Processes
High Energy Physics - Phenomenology · Submitted 9 Mar 1994
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim An expression is given for the triple pomeron coupling when one of the pomeron's momentum is zero while the other two have momentum transfer, t.
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The abstract, sentence by sentence
Onium-onium scattering at high energy is used to illustrate a dipole picture of high energy hard scattering in the large $N_c$ limit. Single and double BFKL pomeron exchanges are calculated in the leading logarithmic approximation. An expression is given for the triple pomeron coupling when one of the pomeron's momentum is zero while the other two have momentum transfer, t. This expression is explicit and could be evaluated numerically. It has a $(-t)^{-{1\over 2}}$ singularity at t=0.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | Onium-onium scattering at high energy is used to illustrate a dipole picture of high energy hard scattering in the large $N_c$ limit. | method 0.43 | 0.66 | 0.15 | asserted 1.00 |
| s1 | Single and double BFKL pomeron exchanges are calculated in the leading logarithmic approximation. | method 0.57 | 0.90 | 0.08 | asserted 1.00 |
| s2 | An expression is given for the triple pomeron coupling when one of the pomeron's momentum is zero while the other two have momentum transfer, t. | result 0.77 | 0.89 | 0.17 | asserted 1.00 |
| s3 | This expression is explicit and could be evaluated numerically. | result 0.55 | 0.77 | 0.06 | hedged possibility 0.95 |
| s4 | It has a $(-t)^{-{1\over 2}}$ singularity at t=0. | result 1.00 | 0.84 | 0.13 | asserted 1.00 |
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The paper
Original abstract
Onium-onium scattering at high energy is used to illustrate a dipole picture of high energy hard scattering in the large $N_c$ limit. Single and double BFKL pomeron exchanges are calculated in the leading logarithmic approximation. An expression is given for the triple pomeron coupling when one of the pomeron's momentum is zero while the other two have momentum transfer, t. This expression is explicit and could be evaluated numerically. It has a $(-t)^{-{1\over 2}}$ singularity at t=0.
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References
How later papers used it
94 later papers cite it
1 later paper by other authors is listed below: 1 used its method or tool.
Uses its method or tool 1 of 13 papers with this label
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Used the MPSI approach of this paper to find the multiplicity distribution for hadron-hadron scattering in QCD.
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How the literature uses it
91 arXiv papers cite this in 144 sentences
Papers citing it · 80 sentences without a confident label
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The model is a generalization of Mueller's dipole cascade model [ref] , including also non-leading effects and saturation effects within the evolution.
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Uses its method or tool 13 papers
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In what follows we employ the color dipole approach introduced in [ref] .
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To evaluate the diagram $α$ we employ the quark propagator [ref] [equation] with the matrix element for the transverse spinors [ref] (and for massless quarks) [equation] The contribution of the diagram $α$ to the evolution of $H^1_ 10 (z)$ is [equation] The contribution of the $α$-diagram to $H^2_ 10 (z)$ can be calculated similarly and is [equation] Adding the eikonal contributions from the diagrams $β, γ, δ$, etc., using the standard technique [ref] we arrive at the evolution equations for the amplitudes $H^1_10 (z)$ and $H^2_10 (z)$
T-odd Leading-Twist Quark TMDs at Small $x$ · Evolution of the Flavor Non-Singlet Boer-Mulders Function at Small $x$ · 0.95
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The rope model outlined above has been implemented in the [ref] event generator. is based on Mueller's dipole cascade model [ref] , which is a formulation of leading-log BFKL evolution [ref] in transverse coordinate space, making it very well suited for a study of coherence effects based on spatial overlap of strings.
Effects of Overlapping Strings in pp Collisions · Implementation of ropes in the Generator · 0.83
Uses its data or values 1 paper
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DIS data at HERA are used as the main source of information for the proton structure because of the high precision of the measurement [ref] and of the simplicity of the theoretical interpretation in terms of the dipole picture [ref] .
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Compares with it 1 paper
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The enhancement shown in Fig. [ref] is reminiscent of that of the dipole pair distribution in Mueller's dipole model [ref] , both for the spacelike [ref] and timelike [ref] parton showers.
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Some evidence for this idea can be found in perturbative constructions of certain classes of light-ray operators [ref] .
Complex Spin: The Missing Zeroes and Newton's Dark Magic · Introduction · 0.97
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In recent years, a novel approach to small-$x$ evolution for helicity distributions has been developed in [ref] , based on the $s$-channel evolution/shock wave formalism previously constructed in [ref] for unpolarized high-energy scattering.
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The past decade has seen a significant advancement of our theoretical understanding of helicity evolution at small $x$ [ref] in the framework of the shock wave/$s$-channel evolution formalism [ref] .
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Mueller's dipole cascade model [ref] is a formulation of LL BFKL evolution in transverse coordinate space.
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Discussion
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