Characterizing the initial state and dynamical evolution in XeXe and PbPb collisions using multiparticle cumulants

D.SosnovJr.The CMS Collaboration

doi:10.1016/j.physletb.2026.140359

Characterizing the initial state and dynamical evolution in XeXe and PbPb collisions using multiparticle cumulants

D.SosnovJr.The CMS Collaboration

Fizik Mühendisliği Bölümü

A. Alikhanian Yerevan Institute of Physics
Yerevan State University
Austrian Academy of Sciences
TU Wien
University of Antwerp
Vrije Universiteit Brussel
Ghent University
Université libre de Bruxelles
Université catholique de Louvain
Centro Brasileiro de Pesquisas Físicas
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Bulgarian Academy of Sciences
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Universidad de Tarapacá
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Beihang University
Tsinghua University
CAS - Institute of High Energy Physics
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China Center of Advanced Science and Technology World Laboratory
Peking University
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Sun Yat-Sen University
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Nanjing Normal University
Henan Normal University
University of Shanghai for Science and Technology
University of Iowa
CAS - Institute of Modern Physics
Zhejiang University
Universidad de los Andes Colombia
Universidad de Antioquia
University of Split
Ruder Boskovic Institute
University of Cyprus
Charles University
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Escuela Politécnica Nacional
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Assiut University
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University of Wisconsin-Madison
Academy of Sciences of the Republic of Uzbekistan

Araştırma sonucu: Dergiye katkı › Makale › bilirkişi

1 Atıf (Scopus)

Özet

For the first time, correlations among mixed-order moments of two or three flow harmonics —(v_n^k,v_m^l) and (v_n^k,v_m^l,v_p^q), with k, l , and q denoting the respective orders—are measured in xenon–xenon (XeXe) collisions and compared with lead–lead (PbPb) results, providing a novel probe of collective behavior in heavy ion collisions. These measurements compare a nearly spherical, doubly-magic ²⁰⁸Pb nucleus to a triaxially deformed ¹²⁹Xe nucleus, emphasizing the sensitivity to initial-state geometry fluctuations arising from nuclear deformation. The dependence of these results (v_n , n=2,3,4) on the shape and size of the nuclear overlap region is studied. Comparisons between v ₂, v ₃, and v ₄ demonstrate the importance of v ₃ and v ₄ in exploring the nonlinear hydrodynamic response of the quark-gluon plasma (QGP) to the initial spatial anisotropy. The results constrain initial-state model parameters that influence the evolution of the QGP. The CMS detector was used to collect XeXe and PbPb data at nucleon-nucleon center-of-mass energies of S_NN=5.44 and 5.36 TeV, respectively. Correlations are extracted using multiparticle mixed-harmonic cumulants (up to eight-particle cumulants) with charged particles in the pseudorapidity range | η | ' 2.4 and transverse momentum range 0.5 ' p_T ' 3 GeV/c.

Orijinal dil	İngilizce
Makale numarası	140359
Dergi	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Hacim	876
DOI'lar	https://doi.org/10.1016/j.physletb.2026.140359
Yayın durumu	Yayınlandı - May 2026

Bibliyografik not

Publisher Copyright:
© 2026 The Authors.

Belgeye Erişim

10.1016/j.physletb.2026.140359

Diğer Dosyalar ve Linkler

Link to publication in Scopus

Alıntı Yap

@article{e7043f412550405f87fee4dfd20953a1,

title = "Characterizing the initial state and dynamical evolution in XeXe and PbPb collisions using multiparticle cumulants",

abstract = "For the first time, correlations among mixed-order moments of two or three flow harmonics —(vnk,vml) and (vnk,vml,vpq), with k, l , and q denoting the respective orders—are measured in xenon–xenon (XeXe) collisions and compared with lead–lead (PbPb) results, providing a novel probe of collective behavior in heavy ion collisions. These measurements compare a nearly spherical, doubly-magic 208Pb nucleus to a triaxially deformed 129Xe nucleus, emphasizing the sensitivity to initial-state geometry fluctuations arising from nuclear deformation. The dependence of these results (vn , n=2,3,4) on the shape and size of the nuclear overlap region is studied. Comparisons between v 2, v 3, and v 4 demonstrate the importance of v 3 and v 4 in exploring the nonlinear hydrodynamic response of the quark-gluon plasma (QGP) to the initial spatial anisotropy. The results constrain initial-state model parameters that influence the evolution of the QGP. The CMS detector was used to collect XeXe and PbPb data at nucleon-nucleon center-of-mass energies of SNN=5.44 and 5.36 TeV, respectively. Correlations are extracted using multiparticle mixed-harmonic cumulants (up to eight-particle cumulants) with charged particles in the pseudorapidity range | η | ' 2.4 and transverse momentum range 0.5 ' pT ' 3 GeV/c.",

keywords = "CMS, Flow, Heavy ion, QGP, System size",

author = "\{D.SosnovJr.The CMS Collaboration\} and A. Hayrapetyan and V. Makarenko and A. Tumasyan and W. Adam and Andrejkovic, \{J. W.\} and L. Benato and T. Bergauer and M. Dragicevic and C. Giordano and Hussain, \{P. S.\} and M. Jeitler and N. Krammer and A. Li and D. Liko and I. Mikulec and J. Schieck and R. Sch{\"o}fbeck and D. Schwarz and M. Shooshtari and M. Sonawane and W. Waltenberger and Wulz, \{C. E.\} and T. Janssen and H. Kwon and \{Ocampo Henao\}, D. and \{Van Laer\}, T. and \{Van Mechelen\}, P. and J. Bierkens and N. Breugelmans and J. D{\textquoteright}Hondt and S. Dansana and \{De Moor\}, A. and M. Delcourt and F. Heyen and Y. Hong and P. Kashko and S. Lowette and I. Makarenko and D. M{\"u}ller and J. Song and S. Tavernier and M. Tytgat and \{Van Onsem\}, \{G. P.\} and \{Van Putte\}, S. and D. Vannerom and B. Bilin and B. Clerbaux and Das, \{A. K.\} and \{De Bruyn\}, I. and A. Cakir",

note = "Publisher Copyright: {\textcopyright} 2026 The Authors.",

year = "2026",

month = may,

doi = "10.1016/j.physletb.2026.140359",

language = "English",

volume = "876",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier B.V.",

}

TY - JOUR

T1 - Characterizing the initial state and dynamical evolution in XeXe and PbPb collisions using multiparticle cumulants

AU - D.SosnovJr.The CMS Collaboration

AU - Hayrapetyan, A.

AU - Makarenko, V.

AU - Tumasyan, A.

AU - Adam, W.

AU - Andrejkovic, J. W.

AU - Benato, L.

AU - Bergauer, T.

AU - Dragicevic, M.

AU - Giordano, C.

AU - Hussain, P. S.

AU - Jeitler, M.

AU - Krammer, N.

AU - Li, A.

AU - Liko, D.

AU - Mikulec, I.

AU - Schieck, J.

AU - Schöfbeck, R.

AU - Schwarz, D.

AU - Shooshtari, M.

AU - Sonawane, M.

AU - Waltenberger, W.

AU - Wulz, C. E.

AU - Janssen, T.

AU - Kwon, H.

AU - Ocampo Henao, D.

AU - Van Laer, T.

AU - Van Mechelen, P.

AU - Bierkens, J.

AU - Breugelmans, N.

AU - D’Hondt, J.

AU - Dansana, S.

AU - De Moor, A.

AU - Delcourt, M.

AU - Heyen, F.

AU - Hong, Y.

AU - Kashko, P.

AU - Lowette, S.

AU - Makarenko, I.

AU - Müller, D.

AU - Song, J.

AU - Tavernier, S.

AU - Tytgat, M.

AU - Van Onsem, G. P.

AU - Van Putte, S.

AU - Vannerom, D.

AU - Bilin, B.

AU - Clerbaux, B.

AU - Das, A. K.

AU - De Bruyn, I.

AU - Cakir, A.

PY - 2026/5

Y1 - 2026/5

N2 - For the first time, correlations among mixed-order moments of two or three flow harmonics —(vnk,vml) and (vnk,vml,vpq), with k, l , and q denoting the respective orders—are measured in xenon–xenon (XeXe) collisions and compared with lead–lead (PbPb) results, providing a novel probe of collective behavior in heavy ion collisions. These measurements compare a nearly spherical, doubly-magic 208Pb nucleus to a triaxially deformed 129Xe nucleus, emphasizing the sensitivity to initial-state geometry fluctuations arising from nuclear deformation. The dependence of these results (vn , n=2,3,4) on the shape and size of the nuclear overlap region is studied. Comparisons between v 2, v 3, and v 4 demonstrate the importance of v 3 and v 4 in exploring the nonlinear hydrodynamic response of the quark-gluon plasma (QGP) to the initial spatial anisotropy. The results constrain initial-state model parameters that influence the evolution of the QGP. The CMS detector was used to collect XeXe and PbPb data at nucleon-nucleon center-of-mass energies of SNN=5.44 and 5.36 TeV, respectively. Correlations are extracted using multiparticle mixed-harmonic cumulants (up to eight-particle cumulants) with charged particles in the pseudorapidity range | η | ' 2.4 and transverse momentum range 0.5 ' pT ' 3 GeV/c.

AB - For the first time, correlations among mixed-order moments of two or three flow harmonics —(vnk,vml) and (vnk,vml,vpq), with k, l , and q denoting the respective orders—are measured in xenon–xenon (XeXe) collisions and compared with lead–lead (PbPb) results, providing a novel probe of collective behavior in heavy ion collisions. These measurements compare a nearly spherical, doubly-magic 208Pb nucleus to a triaxially deformed 129Xe nucleus, emphasizing the sensitivity to initial-state geometry fluctuations arising from nuclear deformation. The dependence of these results (vn , n=2,3,4) on the shape and size of the nuclear overlap region is studied. Comparisons between v 2, v 3, and v 4 demonstrate the importance of v 3 and v 4 in exploring the nonlinear hydrodynamic response of the quark-gluon plasma (QGP) to the initial spatial anisotropy. The results constrain initial-state model parameters that influence the evolution of the QGP. The CMS detector was used to collect XeXe and PbPb data at nucleon-nucleon center-of-mass energies of SNN=5.44 and 5.36 TeV, respectively. Correlations are extracted using multiparticle mixed-harmonic cumulants (up to eight-particle cumulants) with charged particles in the pseudorapidity range | η | ' 2.4 and transverse momentum range 0.5 ' pT ' 3 GeV/c.

KW - CMS

KW - Flow

KW - Heavy ion

KW - QGP

KW - System size

UR - https://www.scopus.com/pages/publications/105036006648

U2 - 10.1016/j.physletb.2026.140359

DO - 10.1016/j.physletb.2026.140359

M3 - Article

AN - SCOPUS:105036006648

SN - 0370-2693

VL - 876

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

M1 - 140359

ER -

Characterizing the initial state and dynamical evolution in XeXe and PbPb collisions using multiparticle cumulants

Özet

Bibliyografik not

Belgeye Erişim

Diğer Dosyalar ve Linkler

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