Multiparticle correlation studies in pPb collisions at sNN =8.16 TeV

CMS Collaboration; Shimaa Abu Zeid; Freya Blekman; Jorgen D'Hondt; Jarne De Clercq; Kevin Deroover; Giannis Flouris; Denys Lontkovskyi; Steven Lowette; Ivan Marchesini; Seth Moortgat; Lieselotte Moreels; Quentin Python; Kirill Skovpen; Stefaan Tavernier; Walter Van Doninck; Petra Van Mulders; Isis Marina Van Parijs; Douglas Burns

doi:10.1103/PhysRevC.101.014912

Multiparticle correlation studies in pPb collisions at sNN =8.16 TeV

CMS Collaboration, Shimaa Abu Zeid, Freya Blekman, Jorgen D'Hondt, Jarne De Clercq, Kevin Deroover, Giannis Flouris, Denys Lontkovskyi, Steven Lowette, Ivan Marchesini, Seth Moortgat, Lieselotte Moreels, Quentin Python, Kirill Skovpen, Stefaan Tavernier, Walter Van Doninck, Petra Van Mulders, Isis Marina Van Parijs, Douglas Burns

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

The second- and third-order azimuthal anisotropy Fourier harmonics of charged particles produced in pPb collisions, at sNN=8.16TeV, are studied over a wide range of event multiplicities. Multiparticle correlations are used to isolate global properties stemming from the collision overlap geometry. The second-order "elliptic" harmonic moment is obtained with high precision through four-, six-, and eight-particle correlations and, for the first time, the third-order "triangular" harmonic moment is studied using four-particle correlations. A sample of peripheral PbPb collisions at sNN=5.02TeV that covers a similar range of event multiplicities as the pPb results is also analyzed. Model calculations of initial-state fluctuations in pPb and PbPb collisions can be directly compared to the high-precision experimental results. This work provides new insight into the fluctuation-driven origin of the v3 coefficients in pPb and PbPb collisions, and into the dominating overall collision geometry in PbPb collisions at the earliest stages of heavy ion interactions.

Original language	English
Article number	014912
Number of pages	17
Journal	Phys. Rev. C
Volume	101
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevC.101.014912
Publication status	Published - 23 Jan 2020

Bibliographical note

Replaced with the published version. Added the journal reference and the DOI. All the figures and tables can be found at http://cms-results.web.cern.ch/cms-results/public-results/publications/HIN-17-004 (CMS Public Pages)

Keywords

hep-ex
nucl-ex

Access to Document

10.1103/PhysRevC.101.014912

Cite this

Collaboration, CMS., Abu Zeid, S., Blekman, F., D'Hondt, J., De Clercq, J., Deroover, K., Flouris, G., Lontkovskyi, D., Lowette, S., Marchesini, I., Moortgat, S., Moreels, L., Python, Q., Skovpen, K., Tavernier, S., Van Doninck, W., Van Mulders, P., Van Parijs, I. M., & Burns, D. (2020). Multiparticle correlation studies in pPb collisions at sNN =8.16 TeV. Phys. Rev. C, 101(1), [014912]. https://doi.org/10.1103/PhysRevC.101.014912

Collaboration, CMS ; Abu Zeid, Shimaa ; Blekman, Freya ; D'Hondt, Jorgen ; De Clercq, Jarne ; Deroover, Kevin ; Flouris, Giannis ; Lontkovskyi, Denys ; Lowette, Steven ; Marchesini, Ivan ; Moortgat, Seth ; Moreels, Lieselotte ; Python, Quentin ; Skovpen, Kirill ; Tavernier, Stefaan ; Van Doninck, Walter ; Van Mulders, Petra ; Van Parijs, Isis Marina ; Burns, Douglas. / Multiparticle correlation studies in pPb collisions at sNN =8.16 TeV. In: Phys. Rev. C. 2020 ; Vol. 101, No. 1.

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abstract = "The second- and third-order azimuthal anisotropy Fourier harmonics of charged particles produced in pPb collisions, at sNN=8.16TeV, are studied over a wide range of event multiplicities. Multiparticle correlations are used to isolate global properties stemming from the collision overlap geometry. The second-order {"}elliptic{"} harmonic moment is obtained with high precision through four-, six-, and eight-particle correlations and, for the first time, the third-order {"}triangular{"} harmonic moment is studied using four-particle correlations. A sample of peripheral PbPb collisions at sNN=5.02TeV that covers a similar range of event multiplicities as the pPb results is also analyzed. Model calculations of initial-state fluctuations in pPb and PbPb collisions can be directly compared to the high-precision experimental results. This work provides new insight into the fluctuation-driven origin of the v3 coefficients in pPb and PbPb collisions, and into the dominating overall collision geometry in PbPb collisions at the earliest stages of heavy ion interactions.",

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author = "CMS Collaboration and {Abu Zeid}, Shimaa and Freya Blekman and Jorgen D'Hondt and {De Clercq}, Jarne and Kevin Deroover and Giannis Flouris and Denys Lontkovskyi and Steven Lowette and Ivan Marchesini and Seth Moortgat and Lieselotte Moreels and Quentin Python and Kirill Skovpen and Stefaan Tavernier and {Van Doninck}, Walter and {Van Mulders}, Petra and {Van Parijs}, {Isis Marina} and Douglas Burns",

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Collaboration, CMS, Abu Zeid, S, Blekman, F , D'Hondt, J, De Clercq, J, Deroover, K, Flouris, G, Lontkovskyi, D, Lowette, S, Marchesini, I, Moortgat, S, Moreels, L, Python, Q, Skovpen, K, Tavernier, S, Van Doninck, W, Van Mulders, P, Van Parijs, IM & Burns, D 2020, 'Multiparticle correlation studies in pPb collisions at sNN =8.16 TeV', Phys. Rev. C, vol. 101, no. 1, 014912. https://doi.org/10.1103/PhysRevC.101.014912

Multiparticle correlation studies in pPb collisions at sNN =8.16 TeV. / Collaboration, CMS; Abu Zeid, Shimaa; Blekman, Freya ; D'Hondt, Jorgen; De Clercq, Jarne; Deroover, Kevin; Flouris, Giannis; Lontkovskyi, Denys; Lowette, Steven; Marchesini, Ivan; Moortgat, Seth; Moreels, Lieselotte; Python, Quentin; Skovpen, Kirill; Tavernier, Stefaan; Van Doninck, Walter; Van Mulders, Petra; Van Parijs, Isis Marina; Burns, Douglas.

In: Phys. Rev. C, Vol. 101, No. 1, 014912, 23.01.2020.

Research output: Contribution to journal › Article › peer-review

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AU - Abu Zeid, Shimaa

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AU - D'Hondt, Jorgen

AU - De Clercq, Jarne

AU - Deroover, Kevin

AU - Flouris, Giannis

AU - Lontkovskyi, Denys

AU - Lowette, Steven

AU - Marchesini, Ivan

AU - Moortgat, Seth

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AU - Skovpen, Kirill

AU - Tavernier, Stefaan

AU - Van Doninck, Walter

AU - Van Mulders, Petra

AU - Van Parijs, Isis Marina

AU - Burns, Douglas

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Y1 - 2020/1/23

N2 - The second- and third-order azimuthal anisotropy Fourier harmonics of charged particles produced in pPb collisions, at sNN=8.16TeV, are studied over a wide range of event multiplicities. Multiparticle correlations are used to isolate global properties stemming from the collision overlap geometry. The second-order "elliptic" harmonic moment is obtained with high precision through four-, six-, and eight-particle correlations and, for the first time, the third-order "triangular" harmonic moment is studied using four-particle correlations. A sample of peripheral PbPb collisions at sNN=5.02TeV that covers a similar range of event multiplicities as the pPb results is also analyzed. Model calculations of initial-state fluctuations in pPb and PbPb collisions can be directly compared to the high-precision experimental results. This work provides new insight into the fluctuation-driven origin of the v3 coefficients in pPb and PbPb collisions, and into the dominating overall collision geometry in PbPb collisions at the earliest stages of heavy ion interactions.

AB - The second- and third-order azimuthal anisotropy Fourier harmonics of charged particles produced in pPb collisions, at sNN=8.16TeV, are studied over a wide range of event multiplicities. Multiparticle correlations are used to isolate global properties stemming from the collision overlap geometry. The second-order "elliptic" harmonic moment is obtained with high precision through four-, six-, and eight-particle correlations and, for the first time, the third-order "triangular" harmonic moment is studied using four-particle correlations. A sample of peripheral PbPb collisions at sNN=5.02TeV that covers a similar range of event multiplicities as the pPb results is also analyzed. Model calculations of initial-state fluctuations in pPb and PbPb collisions can be directly compared to the high-precision experimental results. This work provides new insight into the fluctuation-driven origin of the v3 coefficients in pPb and PbPb collisions, and into the dominating overall collision geometry in PbPb collisions at the earliest stages of heavy ion interactions.

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KW - nucl-ex

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SN - 0556-2813

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Multiparticle correlation studies in pPb collisions at sNN =8.16 TeV

Abstract

Bibliographical note

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SRP8: Strategic Research Programme: High-Energy Physics at the VUB

Multiparticle correlation studies in pPb collisions at $\sqrt{s_\mathrm{NN}} =$ 8.16 TeV

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Multiparticle correlation studies in pPb collisions at sNN =8.16 TeV

Abstract

Bibliographical note

Keywords

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Other files and links

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Projects

SRP8: Strategic Research Programme: High-Energy Physics at the VUB

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Multiparticle correlation studies in pPb collisions at $\sqrt{s_\mathrm{NN}} =$ 8.16 TeV

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