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  • Zhou, Mingliang (author)

Flow fluctuations in Pb plus Pb collisions at √sNN=5.02 TeV with the ATLAS detector

  • Article/chapterEnglish2019

Publisher, publication year, extent ...

  • Elsevier BV,2019
  • electronicrdacarrier

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  • LIBRIS-ID:oai:DiVA.org:uu-378200
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-378200URI
  • https://doi.org/10.1016/j.nuclphysa.2018.09.012DOI

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  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Title in WoS: Flow fluctuations in Pb plus Pb collisions at root s(NN)=5.02 TeV with the ATLAS detectorFor complete list of authors see http://dx.doi.org/10.1016/j.nuclphysa.2018.09.012
  • Measurements of four-particle cumulants c(n){4} for n = 1, 2, 3, 4 are presented using 470 mu b(-1) of Pb+Pb collisions at root s(NN) = 5.02 TeV with the ATLAS detector at the LHC. These cumulants provide information on the event-by-event fluctuations of single harmonics p(v(n)). For the first time, a negative c(1){4} is observed. The c(4){4} is found to be negative in central collisions but changes sign around 20-25% centrality. This behavior is consistent with a nonlinear contribution to v(4) that is proportional to v(2)(2). c(2){4} and c(3){4} are calculated using two reference event classes in order to investigate the influence of volume fluctuations. Over most of the centrality range, c(2){4} and c(3){4} are found to be negative, while in the ultra-central collisions, c(2){4} changes sign and becomes positive, suggesting a deviation from Gaussian behavior in the event-by-event fluctuation of v(2). The magnitudes of the sign change are also found to be dependent of the event class definition .

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Added entries (persons, corporate bodies, meetings, titles ...)

  • Asimakopoulou, Eleni M.Uppsala universitet,Högenergifysik(Swepub:uu)eleas553 (author)
  • Bergeås Kuutmann, Elin,1980-Uppsala universitet,Högenergifysik(Swepub:uu)elibe340 (author)
  • Bokan, PetarUppsala universitet,Högenergifysik(Swepub:uu)petbo828 (author)
  • Brenner, RichardUppsala universitet,Högenergifysik(Swepub:uu)richbren (author)
  • Ekelöf, TordUppsala universitet,Högenergifysik(Swepub:uu)tordeke (author)
  • Ellert, MattiasUppsala universitet,Högenergifysik(Swepub:uu)mel03009 (author)
  • Ferrari, Arnaud,1973-Uppsala universitet,Högenergifysik(Swepub:uu)arfer499 (author)
  • Gradin, P. O. JoakimUppsala universitet,Högenergifysik(Swepub:uu)joagr105 (author)
  • Isacson, MaxUppsala universitet,Högenergifysik(Swepub:uu)maxis346 (author)
  • Mårtensson, Mikael U. F.Uppsala universitet,Högenergifysik(Swepub:uu)mikma359 (author)
  • Sales De Bruin, PedroUppsala universitet,Högenergifysik(Swepub:uu)pedsa873 (author)
  • Zwalinski, L. (author)
  • Uppsala universitetHögenergifysik (creator_code:org_t)

Related titles

  • In:Nuclear Physics A: Elsevier BV982, s. 323-3260375-94741873-1554

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