Collectivity of heavy mesons in proton-nucleus collisions

Zhang, Cheng; Marquet, Cyrille; Qin, Guang-You; Shi, Yu; Wang, Lei; Wei, Shu-Yi; Xiao, Bo-Wen

doi:10.1103/physrevd.102.034010

Cited by 20 publications

(13 citation statements)

References 92 publications

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“…32, current calculations based on parton-transport models seem to not be able to generate enough flow to match the data on J/ψ v 2 at the LHC due to the large particle mass and the short-lived system. On the other hand, a recent calculation based on the CGC framework has shown that momentum space anisotropies for heavy mesons can directly be generated by the pPbcollision process itself, without the need for a QGP-droplet phase [715,716], leading to a good agreement with LHC data (Fig. 33).…”

Section: Azimuthal Anisotropies From Initial-state Effectsmentioning

confidence: 60%

Prospects for quarkonium studies at the high-luminosity LHC

Chapon,

d'Enterria,

Ducloue

et al. 2020

Preprint

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We review the prospects for quarkonium-production studies in proton and nuclear collisions accessible during the upcoming phases of the CERN Large Hadron Collider operation after 2021, including the ultimate high-luminosity phase, with increased luminosities compared to LHC Runs 1 and 2. We address the current experimental and theoretical open issues in the field and the perspectives for future studies in quarkoniumrelated physics through the exploitation of the huge data samples to be collected in proton-proton, with integrated luminosities reaching up to L = 3 ab −1 , in proton-nucleus and in nucleus-nucleus collisions, both in the collider and fixed-target modes. Such investigations include, among others, those of: (i) the quarkonia produced in association with other hard particles; (ii) the χ Q and η Q down to small transverse momenta; (iii) the constraints brought in by quarkonia on gluon PDFs, nuclear PDFs, TMDs, GPDs and GTMDs, as well as on the low-x parton dynamics; (iv) the gluon Sivers effect in polarised-nucleon collisions; (v) the properties of the quark-gluon plasma produced in ultra-relativistic heavy-ion collisions and of collective partonic effects in general; and (vi) double and triple parton scatterings.

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Section: Azimuthal Anisotropies From Initial-state Effectsmentioning

confidence: 60%

Prospects for quarkonium studies at the high-luminosity LHC

Chapon,

d'Enterria,

Ducloue

et al. 2020

Preprint

Self Cite

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“…Comparison with calculations from the color glass condensate (CGC) framework [13,14] are also presented, where sizeable E 2 signals are generated by correlations between partons in the initial stages of the collisions, showing a good qualitative description of the results for / mesons and prompt and nonprompt D 0 mesons. In summary, recent results on the prompt and nonprompt D 0 mesons azimuthal anisotropy in pp, pPb, and PbPb collisions using the CMS experiment are presented.…”

Section: Pos(eps-hep2021)288mentioning

confidence: 93%

Recent results of D0 mesons azimuthal anisotropy using the CMS detector

Bernardes¹

2022

Proceedings of the European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2021)

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In a relativistic heavy ion collision, heavy flavor (charm and bottom) quarks are mostly created via hard processes at the early stage of the collisions. We present the latest results of the azimuthal anisotropy coe cients E n for prompt and nonprompt D 0 mesons in PbPb, pPb, and pp collisions from the CMS experiment. The studies are about collectivity phenomena in smaller systems (pp and pPb collisions), searches for the e ects of very strong electromagnetic fields created in the initial stages of ultrarelativistic PbPb collisions, and charm quark energy loss in the quark-gluon plasma.

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“…However, the TAMU transport model [16], which describes 𝑣 2 in Pb-Pb collisions, does not describe p-Pb data. Other calculations based on initial-state models such as the Color Glass Condensate (CGC) predict the presence of correlations among final-state particles that can give rise to flow-like effects [17]. In pp collisions the J/𝜓 𝑣 2 shows no significant deviation from zero as a function of 𝑝 T .…”

Section: Ali-pub-497474 Ali-pub-497559mentioning

confidence: 99%

Quarkonia production and elliptic flow in small systems measured with ALICE

Coquet¹

2022

Proceedings of 41st International Conference on High Energy Physics — PoS(ICHEP2022)

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The production of quarkonia in hadronic collisions provides a unique testing ground for understanding quantum chromodynamics (QCD) since it involves both the perturbative and non-perturbative regimes of this theory. Given that a satisfactory description of quarkonia production has not yet been achieved, new measurements that can provide new insights, helping to constrain models, are needed. The ALICE apparatus allows to measure inclusive J/𝜓 production, as well as to separate prompt charmonia from those originating from b-hadron decays. The study of the azimuthal correlation of the emitted particles, e.g. via the measurement of the elliptic flow (𝑣 2 ), in high multiplicity proton-proton (pp) collisions can probe collective behaviour in small systems. In this contribution, we present new measurements of the inclusive, prompt and non-prompt J/𝜓 production in pp collisions at different collision energies, together with the J/𝜓 𝑣 2 in high multiplicity pp collisions at √ 𝑠=13 TeV.

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Collectivity of heavy mesons in proton-nucleus collisions

Cited by 20 publications

References 92 publications

Prospects for quarkonium studies at the high-luminosity LHC

Prospects for quarkonium studies at the high-luminosity LHC

Recent results of D0 mesons azimuthal anisotropy using the CMS detector

Quarkonia production and elliptic flow in small systems measured with ALICE

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