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Measurements of mass-dependent azimuthal anisotropy in central p + Au, d + Au, and 3He + Au collisions at root sNN=200 GeV

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F18%3A00322133" target="_blank" >RIV/68407700:21340/18:00322133 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1103/PhysRevC.97.064904" target="_blank" >https://doi.org/10.1103/PhysRevC.97.064904</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevC.97.064904" target="_blank" >10.1103/PhysRevC.97.064904</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Measurements of mass-dependent azimuthal anisotropy in central p + Au, d + Au, and 3He + Au collisions at root sNN=200 GeV

  • Original language description

    We present measurements of the transverse-momentum dependence of elliptic flow v2 for identified pions and (anti)protons at midrapidity (|η|<0.35), in 0%–5% central p+Au and 3He+Au collisions at root sNN=200 GeV. When taken together with previously published measurements in d+Au collisions at root sNN=200 GeV, the results cover a broad range of small-collision-system multiplicities and intrinsic initial geometries. We observe a clear mass-dependent splitting of v2(pT) in d+Au and 3He+Au collisions, just as in large nucleus-nucleus (A+A) collisions, and a smaller splitting in p+Au collisions. Both hydrodynamic and transport model calculations successfully describe the data at low pT (<1.5GeV/c), but fail to describe various features at higher pT. In all systems, the v2 values follow an approximate quark-number scaling as a function of the hadron transverse kinetic energy per constituent quark (KET/nq), which was also seen previously in A+A collisions.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10303 - Particles and field physics

Result continuities

  • Project

    <a href="/en/project/LM2015058" target="_blank" >LM2015058: Research Infrastructure for Experiments at CERN</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    PHYSICAL REVIEW C

  • ISSN

    2469-9985

  • e-ISSN

    2469-9993

  • Volume of the periodical

    97

  • Issue of the periodical within the volume

    6

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    11

  • Pages from-to

  • UT code for WoS article

    000434763400006

  • EID of the result in the Scopus database

    2-s2.0-85048400787