Strange hadron collectivity in pPb and PbPb collisions

The CMS collaboration cms-publication-committee-chair@cern.ch; The CMS collaboration cms-publication-committee-chair@cern.ch

doi:10.1007/JHEP05(2023)007

Strange hadron collectivity in pPb and PbPb collisions

The CMS collaboration [email protected]
, The CMS collaboration [email protected]

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Araştırma sonucu: Dergiye katkı › Makale › bilirkişi

8 Atıf (Scopus)

Özet

The collective behavior of K_S⁰ and Λ/Λ¯ strange hadrons is studied by measuring the elliptic azimuthal anisotropy (v₂) using the scalar-product and multiparticle correlation methods. Proton-lead (pPb) collisions at a nucleon-nucleon center-of-mass energy s_NN = 8.16 TeV and lead-lead (PbPb) collisions at s_NN = 5.02 TeV collected by the CMS experiment at the LHC are investigated. Nonflow effects in the pPb collisions are studied by using a subevent cumulant analysis and by excluding events where a jet with transverse momentum greater than 20 GeV is present. The strange hadron v₂ values extracted in pPb collisions via the four- and six-particle correlation method are found to be nearly identical, suggesting the collective behavior. Comparisons of the pPb and PbPb results for both strange hadrons and charged particles illustrate how event-by-event flow fluctuations depend on the system size.

Orijinal dil	İngilizce
Makale numarası	7
Dergi	Journal of High Energy Physics
Hacim	2023
Basın numarası	5
DOI'lar	https://doi.org/10.1007/JHEP05(2023)007
Yayın durumu	Yayınlandı - May 2023

Bibliyografik not

Publisher Copyright:
© The Author(s) 2023.

Belgeye Erişim

10.1007/JHEP05(2023)007

Diğer Dosyalar ve Linkler

Link to publication in Scopus

Alıntı Yap

@article{9bd5de79955e4a5888dde0b3a8f3f4ac,

title = "Strange hadron collectivity in pPb and PbPb collisions",

abstract = "The collective behavior of KS0 and Λ/Λ¯ strange hadrons is studied by measuring the elliptic azimuthal anisotropy (v2) using the scalar-product and multiparticle correlation methods. Proton-lead (pPb) collisions at a nucleon-nucleon center-of-mass energy sNN = 8.16 TeV and lead-lead (PbPb) collisions at sNN = 5.02 TeV collected by the CMS experiment at the LHC are investigated. Nonflow effects in the pPb collisions are studied by using a subevent cumulant analysis and by excluding events where a jet with transverse momentum greater than 20 GeV is present. The strange hadron v2 values extracted in pPb collisions via the four- and six-particle correlation method are found to be nearly identical, suggesting the collective behavior. Comparisons of the pPb and PbPb results for both strange hadrons and charged particles illustrate how event-by-event flow fluctuations depend on the system size.",

keywords = "Collective Flow, Hadron-Hadron Scattering",

author = "\{The CMS collaboration [email protected]\} and \{The CMS collaboration [email protected]\} and A. Tumasyan and W. Adam and Andrejkovic, \{J. W.\} and T. Bergauer and S. Chatterjee and M. Dragicevic and \{Escalante Del Valle\}, A. and R. Fr{\"u}hwirth and M. Jeitler and N. Krammer and L. Lechner and D. Liko and I. Mikulec and P. Paulitsch and Pitters, \{F. M.\} and J. Schieck and R. Sch{\"o}fbeck and D. Schwarz and S. Templ and W. Waltenberger and Wulz, \{C. E.\} and Darwish, \{M. R.\} and \{De Wolf\}, \{E. A.\} and T. Janssen and T. Kello and A. Lelek and \{Rejeb Sfar\}, H. and \{Van Mechelen\}, P. and \{Van Putte\}, S. and \{Van Remortel\}, N. and F. Blekman and Bols, \{E. S.\} and J. D{\textquoteright}Hondt and M. Delcourt and \{El Faham\}, H. and S. Lowette and S. Moortgat and A. Morton and D. M{\"u}ller and Sahasransu, \{A. R.\} and S. Tavernier and \{Van Doninck\}, W. and \{Van Mulders\}, P. and D. Beghin and B. Bilin and B. Clerbaux and \{De Lentdecker\}, G. and L. Favart and A. Grebenyuk and A. Cakir",

note = "Publisher Copyright: {\textcopyright} The Author(s) 2023.",

year = "2023",

month = may,

doi = "10.1007/JHEP05(2023)007",

language = "English",

volume = "2023",

journal = "Journal of High Energy Physics",

issn = "1126-6708",

publisher = "Springer Verlag",

number = "5",

}

TY - JOUR

T1 - Strange hadron collectivity in pPb and PbPb collisions

AU - The CMS collaboration [email protected]

AU - Tumasyan, A.

AU - Adam, W.

AU - Andrejkovic, J. W.

AU - Bergauer, T.

AU - Chatterjee, S.

AU - Dragicevic, M.

AU - Escalante Del Valle, A.

AU - Frühwirth, R.

AU - Jeitler, M.

AU - Krammer, N.

AU - Lechner, L.

AU - Liko, D.

AU - Mikulec, I.

AU - Paulitsch, P.

AU - Pitters, F. M.

AU - Schieck, J.

AU - Schöfbeck, R.

AU - Schwarz, D.

AU - Templ, S.

AU - Waltenberger, W.

AU - Wulz, C. E.

AU - Darwish, M. R.

AU - De Wolf, E. A.

AU - Janssen, T.

AU - Kello, T.

AU - Lelek, A.

AU - Rejeb Sfar, H.

AU - Van Mechelen, P.

AU - Van Putte, S.

AU - Van Remortel, N.

AU - Blekman, F.

AU - Bols, E. S.

AU - D’Hondt, J.

AU - Delcourt, M.

AU - El Faham, H.

AU - Lowette, S.

AU - Moortgat, S.

AU - Morton, A.

AU - Müller, D.

AU - Sahasransu, A. R.

AU - Tavernier, S.

AU - Van Doninck, W.

AU - Van Mulders, P.

AU - Beghin, D.

AU - Bilin, B.

AU - Clerbaux, B.

AU - De Lentdecker, G.

AU - Favart, L.

AU - Grebenyuk, A.

AU - Cakir, A.

PY - 2023/5

Y1 - 2023/5

N2 - The collective behavior of KS0 and Λ/Λ¯ strange hadrons is studied by measuring the elliptic azimuthal anisotropy (v2) using the scalar-product and multiparticle correlation methods. Proton-lead (pPb) collisions at a nucleon-nucleon center-of-mass energy sNN = 8.16 TeV and lead-lead (PbPb) collisions at sNN = 5.02 TeV collected by the CMS experiment at the LHC are investigated. Nonflow effects in the pPb collisions are studied by using a subevent cumulant analysis and by excluding events where a jet with transverse momentum greater than 20 GeV is present. The strange hadron v2 values extracted in pPb collisions via the four- and six-particle correlation method are found to be nearly identical, suggesting the collective behavior. Comparisons of the pPb and PbPb results for both strange hadrons and charged particles illustrate how event-by-event flow fluctuations depend on the system size.

AB - The collective behavior of KS0 and Λ/Λ¯ strange hadrons is studied by measuring the elliptic azimuthal anisotropy (v2) using the scalar-product and multiparticle correlation methods. Proton-lead (pPb) collisions at a nucleon-nucleon center-of-mass energy sNN = 8.16 TeV and lead-lead (PbPb) collisions at sNN = 5.02 TeV collected by the CMS experiment at the LHC are investigated. Nonflow effects in the pPb collisions are studied by using a subevent cumulant analysis and by excluding events where a jet with transverse momentum greater than 20 GeV is present. The strange hadron v2 values extracted in pPb collisions via the four- and six-particle correlation method are found to be nearly identical, suggesting the collective behavior. Comparisons of the pPb and PbPb results for both strange hadrons and charged particles illustrate how event-by-event flow fluctuations depend on the system size.

KW - Collective Flow

KW - Hadron-Hadron Scattering

UR - https://www.scopus.com/pages/publications/85166952415

U2 - 10.1007/JHEP05(2023)007

DO - 10.1007/JHEP05(2023)007

M3 - Article

AN - SCOPUS:85166952415

SN - 1126-6708

VL - 2023

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 5

M1 - 7

ER -

Strange hadron collectivity in pPb and PbPb collisions

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