Diffractive photoproduction of radially excited psi(2S) mesons in photon-Pomeron reactions in PbPb collisions at the CERN LHC

M.B. Gay Ducati; M.T. Griep; M.V.T. Machado

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Diffractive photoproduction of radially excited psi(2S) mesons in photon-Pomeron reactions in PbPb collisions at the CERN LHC

M.B. Gay Ducati, M.T. Griep, M.V.T. Machado

High Energy Physics - Phenomenology · Submitted 10 May 2013

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

The authors' main claim The theoretical uncertainties are analyzed and comparison is also done to the recent ALICE Collaboration data for the psi(1S) state photoproduction.

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arXiv ID1305.2407 (version 3)

Pith IDAU7LQEHX, Pith's permanent record of this paper and its review

CitationM.B. Gay Ducati, M.T. Griep, M.V.T. Machado. "Diffractive photoproduction of radially excited psi(2S) mesons in photon-Pomeron reactions in PbPb collisions at the CERN LHC." arXiv:1305.2407 (2013). https://pith.science/paper/AU7LQEHX

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What the abstract itself states, as probabilities: claims first 0.03 · states limitation 0.42 · human participants 0.02 · controlled comparison 0.13 · randomized assignment 0.01 · states quantitative result 0.06 · compares with prior results 0.91 · mentions code or data availability 0.02.

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In this work we investigate the photoproduction of radially excited vector mesons off nuclei in heavy ion relativistic collisions. In particular, we analyze the exclusive photoproduction of psi(2S) off nuclei, evaluating the coherent and the incoherent contributions to that process. The theoretical framework used in the present analysis is the light-cone dipole formalism and predictions are done for PbPb collisions at the CERN-LHC energy of 2.76 TeV. The theoretical uncertainties are analyzed and comparison is also done to the recent ALICE Collaboration data for the psi(1S) state photoproduction.

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#	sentence	role	the authors' own work	states the main conclusion	strength
s0	In this work we investigate the photoproduction of radially excited vector mesons off nuclei in heavy ion relativistic collisions.	contribution 0.97	0.81	0.04	asserted 0.82
s1	In particular, we analyze the exclusive photoproduction of psi(2S) off nuclei, evaluating the coherent and the incoherent contributions to that process.	contribution 1.00	0.89	0.06	asserted 0.96
s2	The theoretical framework used in the present analysis is the light-cone dipole formalism and predictions are done for PbPb collisions at the CERN-LHC energy of 2.76 TeV.	method 1.00	0.84	0.04	asserted 1.00
s3	The theoretical uncertainties are analyzed and comparison is also done to the recent ALICE Collaboration data for the psi(1S) state photoproduction.	method 0.52	0.84	0.06	asserted 0.95

What kind of paper the classifier reports this is: theoretical result 0.89 · evidence from simulation or computation 0.93.

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Original abstract

In this work we investigate the photoproduction of radially excited vector mesons off nuclei in heavy ion relativistic collisions. In particular, we analyze the exclusive photoproduction of psi(2S) off nuclei, evaluating the coherent and the incoherent contributions to that process. The theoretical framework used in the present analysis is the light-cone dipole formalism and predictions are done for PbPb collisions at the CERN-LHC energy of 2.76 TeV. The theoretical uncertainties are analyzed and comparison is also done to the recent ALICE Collaboration data for the psi(1S) state photoproduction.

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Forward citations

Cited by 3 Pith papers

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

Coherent J/$\psi$ photoproduction at forward rapidity in ultra-peripheral Pb-Pb collisions at $\sqrt{s_{\rm{NN}}}=5.02$ TeV
nucl-ex 2019-04 accept novelty 6.0 of 10

The coherent J/psi photoproduction cross section in ultra-peripheral Pb-Pb collisions at 5.02 TeV, measured differentially in six forward rapidity bins, lies below no-shadowing models and is consistent with moderate n...
Coherent $\rm{J/\psi}$ and $\rm{\psi'}$ photoproduction at midrapidity in ultra-peripheral Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}~=~5.02$ TeV
nucl-ex 2021-01 accept novelty 5.0 of 10

Coherent J/psi and psi' photoproduction cross sections in Pb-Pb collisions at 5.02 TeV are measured at midrapidity, yielding a nuclear gluon shadowing factor of about 0.64 at Bjorken-x around 10^-3.
Momentum transfer squared dependence of exclusive quarkonia photoproduction in UPCs
hep-ph 2020-09 conditional novelty 5.0 of 10

A dipole-model calculation with potential-model wave functions yields differential cross sections for exclusive quarkonia photoproduction, matching HERA J/psi data and predicting LHC nuclear rates.

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14 arXiv papers cite this in 18 sentences

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Papers citing it · 11 sentences without a confident label

Contests it 1 paper

To remedy this, an additional suppression factor of $R_g < 1$, which aims to take into account large gluon shadowing, was also included in the analysis [ref] , which in our opinion constitutes possible double counting.

Comparison of $\psi(2S)$ and $J/\psi$ photoproduction cross sections in Pb-Pb ultraperipheral collisions at the LHC · Introduction · contest 0.74

Uses its method or tool 1 paper

In this work, we perform an analysis of the exclusive quarkonia photoproduction in $AA$ UPC collisions at the LHC in the phenomenologically successful color dipole picture [ref] (for an early analysis of diffractive charmonia photoproduction in the dipole framework, see e.g. Ref. [ref] ).

Exclusive photoproduction of excited quarkonia in ultraperipheral collisions · Introduction · 0.83

Compares with it 3 papers

The measured coherent cross section and the / cross section ratio are compared to model predictions [ref] .

Coherent $\psi$(2S) photo-production in ultra-peripheral Pb-Pb collisions at $\sqrt{s}_{\rm NN}$ = 2.76 TeV · Introduction · 1.00
In Ref. [ref] , the authors predict the $ψ(2s)$ incoherent rapidity distribution $dσ^incoh/dy(y=0)=0.16$ mb in different formulas using the Boosted Gaussian wave function, whose parameters are not given in that paper.

Incoherent vector mesons production in PbPb ultraperipheral collisions at the LHC · Numerical results · 0.98
The ratio is found to be similar to the same measurement at 5.02 TeV at the LHC [ref] , and consistent with most models and data for $pp$ or $ep$ collisions [ref] .

Observation of strong nuclear suppression in exclusive $J/\psi$ photoproduction in Au$+$Au ultra-peripheral collisions at RHIC · Introduction · 1.00

Cites it as background 2 papers

On the theoretical front, the photon production of vector mesons have been studied through various approaches, including perturbative quantum chromodynamics(pQCD), $k_T$-factorization and color dipole model(CDM) [ref] , in this work, we use the dipole model to predict the vector mesons production in PbPb ultraperipheral collisions at $√(s_NN)$=2.76TeV, the goal of this work is to update the prediction of vector mesons with new fit of IP-Sat model and several wave function models.

The coherent cross section of vector mesons in ultraperipheral PbPb collisions at the LHC · Introduction · 0.88
On the other hand, many theoretical groups have studied the production of heavy vector mesons in ultraperipheral collisions at high energies using different approaches [ref] .

The $ J/\psi$ production in PbPb ultraperipheral collisions at $\sqrt{s_{NN}}=2.76\mathrm{TeV}$ · Introduction · 1.00

What it cites · 2 sentences without a confident label

Uses data or values from 1 paper

Along these line, the authors of Ref. [ref] extract the nuclear suppression factor, $S(x≈10^-3)=0.61 ±0.064$, using the ALICE data on coherent $ψ(1S)$ and considering the nuclear gluon shadowing predicted by nuclear pdf's and by leading twist nuclear shadowing.

Evidence for nuclear gluon shadowing from the ALICE measurements of PbPb ultraperipheral exclusive J/{\psi} production · Summary · 0.82

Compares with 1 paper

Let us start by checking the present theoretical approach against the recent data for the $1S$ state measured by ALICE Collaboration at the energy of 2.76 TeV in PbPb collisions at the LHC [ref] .

Charmonium and $e^+e^-$ pair photoproduction at mid-rapidity in ultra-peripheral Pb-Pb collisions at $\sqrt{s_{\rm NN}}$=2.76 TeV · Results and discussions · 0.89

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