Elliptic flow of identified hadrons in small collisional systems measured with ALICE

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A_____%2F19%3A00502973" target="_blank" >RIV/61389005:_____/19:00502973 - isvavai.cz</a>
Alternative codes found
RIV/68378271:_____/19:00502973
Result on the web
<a href="https://doi.org/10.1016/j.nuclphysa.2018.09.020" target="_blank" >https://doi.org/10.1016/j.nuclphysa.2018.09.020</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.nuclphysa.2018.09.020" target="_blank" >10.1016/j.nuclphysa.2018.09.020</a>

Result language
angličtina
Original language name
Elliptic flow of identified hadrons in small collisional systems measured with ALICE
Original language description
Recent observations of long-range multi-particle azimuthal correlations in p-Pb and high multiplicity pp collisions provided new insights into collision dynamics and opened a possibility to study collective effects in these small systems. New measurements of p(T)-differential elliptic flow (v(2)) coefficient for inclusive charged hadrons as well as a variety of identified particle species in p-Pb collisions at root s(NN) = 5.02 TeV are presented. The data was collected by ALICE during the LHC Run 2 data taking. Besides high precision measurements of v(2)(P-T) for pi(+/-), K-+/- and p((p) over bar), the first results for K-s(0), Lambda((Lambda) over bar) and phi are shown. In order to eliminate non-flow contamination, a pseudorapidity separation between correlated particles is applied as well as subtraction of remaining non-flow estimate based on a measurement of minimum-bias pp collisions at root s = 13 TeV. Moreover, the reported characteristic mass ordering and approximate number of constituent quarks (NCQ) and transverse kinetic energy (KET) scaling of v(2) allow to test various theoretical models, constrain the initial conditions, and probe the origin of collective behavior in small collision systems.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10304 - Nuclear physics

Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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