Correlations in the Monte Carlo Glauber model

Blaizot, Jean‐Paul; Broniowski, Wojciech; Ollitrault, Jean-Yves

doi:10.1103/physrevc.90.034906

Cited by 23 publications

(28 citation statements)

References 92 publications

(108 reference statements)

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“…Eccentricity 2 and triangularity 3 in the initial stage of pp collision are calculated using the formula [24] n = {s n cos(nφ)} 2 + {s n sin(nφ)} 2 {s n } ,…”

Section: Asymmetries In the Initial Stage Of A Pp Collision And The Fmentioning

confidence: 99%

Proton Structure in High-Energy High-Multiplicity p–p Collisions

Głazek

Kubiczek

2016

Few-Body Syst

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A few-body proton image, expected to be derivable from QCD in the renormalization group procedure for effective particles, is used within the Monte Carlo Glauber model to calculate the anisotropy coefficients in the initial collision-state of matter in high-energy high-multiplicity proton-proton interaction events. We estimate the ridge-like correlations in the final hadronic state by assuming their proportionality to the initial collision-state anisotropy. In our estimates, some distinct few-body proton structures appear capable of accounting for the magnitude of p-p ridge effect, with potentially discernible differences in dependence on multiplicity.

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“…Eccentricity 2 and triangularity 3 in the initial stage of pp collision are calculated using the formula [24] n = {s n cos(nφ)} 2 + {s n sin(nφ)} 2 {s n } ,…”

Section: Asymmetries In the Initial Stage Of A Pp Collision And The Fmentioning

confidence: 99%

Proton Structure in High-Energy High-Multiplicity p–p Collisions

Głazek

Kubiczek

2016

Few-Body Syst

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“…One introduces polar coordinates in the TP, angle α, and length x T ¼ j⃗ x T j, using ⃗ . Eccentricity of a density is defined as the modulus of the averaged value of this quantity [13],…”

Section: B Observables Associated With String Collisionsmentioning

confidence: 99%

“…In an event that leads from protons p 1 and p 2 to p 0 1 and p 0 2 , the density of parton-parton collisions in the TP is described using the formula [10][11][12][13] …”

Section: Figmentioning

confidence: 99%

“…The ridge effect is estimated assuming that the elliptic flow v 2 in X is proportional to the eccentricity ε 2 ð ⃗ b; ⃗ r 1 ; ⃗ r 2 Þ of the density of partonic collisions, n coll ð⃗ x T ; ⃗ b; ⃗ r 1 ; ⃗ r 2 Þ, with a model-dependent coefficient on the order of 0.3 [11]. The definition of eccentricity [13] uses the concept of averaging of a quantity fð⃗ x T Þ with the density,…”

Section: B Observables Associated With String Collisionsmentioning

confidence: 99%

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Ridge effect, azimuthal correlations, and other novel features of gluonic string collisions in high energy photon-mediated reactions

et al. 2018

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One of the remarkable features of high-multiplicity hadronic events in proton-proton collisions at the LHC is the fact that the produced particles appear as two "ridges", opposite in azimuthal angle ϕ, with approximately flat rapidity distributions. This phenomenon can be identified with the inelastic collision of gluonic flux tubes associated with the QCD interactions responsible for quark confinement in hadrons.In this paper, we analyze the ridge phenomena when the collision involves a flux tube connecting the quark and antiquark of a high energy real or virtual photon. We discuss gluonic tube string collisions in the context of two examples: electron-proton scattering at a future electron-ion collider or the peripheral scattering of protons accessible at the LHC. A striking prediction of our analysis is that the azimuthal angle of the produced ridges will be correlated with the scattering plane of the electron or proton producing the virtual photon. In the case of ep → eX, the final state X is expected to exhibit maximal multiplicity when the elliptic flow in X is aligned with the electron scattering plane. In the pp → ppX example, the multiplicity and elliptic flow in X are estimated to exhibit correlated oscillations as functions of the azimuthal angle Φ between the proton scattering planes. In the minimum-bias event samples, the amplitude of oscillations is expected to be on the order of 2% to 4% of the mean values. In the events with highest multiplicity, the oscillations can be three times larger than in the minimum-bias event samples.

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“…2. Eccentricity 2 and triangularity 3 in the initial stage of pp collision are calculated using the formula [24] n = {s n cos(nφ)} 2 + {s n sin(nφ)} 2 {s n } ,…”

Section: Proton Structure In Pp Collisionsmentioning

confidence: 99%

Untitled

Głazek¹,

Kubiczek²

2017

Light Cone 2015

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A few-body proton image, expected to be derivable from QCD in the renormalization group procedure for effective particles, is used within the Monte Carlo Glauber model to calculate the anisotropy coefficients in the initial collision-state of matter in high-energy high-multiplicity protonproton interaction events. We estimate the ridge-like correlations in the final hadronic state by assuming their proportionality to the initial collision-state anisotropy. In our estimates, some distinct few-body proton structures appear capable of accounting for the magnitude of p-p ridge effect, with potentially discernible differences in dependence on multiplicity.

show abstract

Correlations in the Monte Carlo Glauber model

Cited by 23 publications

References 92 publications

Proton Structure in High-Energy High-Multiplicity p–p Collisions

Proton Structure in High-Energy High-Multiplicity p–p Collisions

Ridge effect, azimuthal correlations, and other novel features of gluonic string collisions in high energy photon-mediated reactions

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