Temperature and fluid velocity on the freeze-out surface from pi, K, and p spectra in pp, p-Pb, and Pb-Pb collisions

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningfagfællebedømt

Standard

Temperature and fluid velocity on the freeze-out surface from pi, K, and p spectra in pp, p-Pb, and Pb-Pb collisions. / Mazeliauskas, Aleksas; Vislavicius, Vytautas.

I: Physical Review C, Bind 101, Nr. 1, 014910, 17.01.2020.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningfagfællebedømt

Harvard

Mazeliauskas, A & Vislavicius, V 2020, 'Temperature and fluid velocity on the freeze-out surface from pi, K, and p spectra in pp, p-Pb, and Pb-Pb collisions', Physical Review C, bind 101, nr. 1, 014910. https://doi.org/10.1103/PhysRevC.101.014910

APA

Mazeliauskas, A., & Vislavicius, V. (2020). Temperature and fluid velocity on the freeze-out surface from pi, K, and p spectra in pp, p-Pb, and Pb-Pb collisions. Physical Review C, 101(1), [014910]. https://doi.org/10.1103/PhysRevC.101.014910

Vancouver

Mazeliauskas A, Vislavicius V. Temperature and fluid velocity on the freeze-out surface from pi, K, and p spectra in pp, p-Pb, and Pb-Pb collisions. Physical Review C. 2020 jan. 17;101(1). 014910. https://doi.org/10.1103/PhysRevC.101.014910

Author

Mazeliauskas, Aleksas ; Vislavicius, Vytautas. / Temperature and fluid velocity on the freeze-out surface from pi, K, and p spectra in pp, p-Pb, and Pb-Pb collisions. I: Physical Review C. 2020 ; Bind 101, Nr. 1.

Bibtex

@article{f792ae90cd3642c8a184f2d64a7ab211,
title = "Temperature and fluid velocity on the freeze-out surface from pi, K, and p spectra in pp, p-Pb, and Pb-Pb collisions",
abstract = "We present a new approach to take into account resonance decays in the blast-wave model fits of identified hadron spectra. Thanks to precalculated decayed particle spectra, we are able to extract, in a matter of seconds, the multiplicity dependence of the single freeze-out temperature T-fo, average fluid velocity , velocity exponent n, and the volume dV/dy of an expanding fireball. In contrast to blast-wave fits without resonance feed-down, our approach results in a freeze-out temperature of T-fo approximate to 150 MeV, which has only weak dependence on multiplicity and collision system. Finally, we discuss separate chemical and kinetic freeze-outs separated by partial chemical equilibrium.",
keywords = "MULTIPLICITY DEPENDENCE, QCD, MOMENTUM, KAON, FLOW",
author = "Aleksas Mazeliauskas and Vytautas Vislavicius",
year = "2020",
month = jan,
day = "17",
doi = "10.1103/PhysRevC.101.014910",
language = "English",
volume = "101",
journal = "Physical Review C",
issn = "2469-9985",
publisher = "American Physical Society",
number = "1",

}

RIS

TY - JOUR

T1 - Temperature and fluid velocity on the freeze-out surface from pi, K, and p spectra in pp, p-Pb, and Pb-Pb collisions

AU - Mazeliauskas, Aleksas

AU - Vislavicius, Vytautas

PY - 2020/1/17

Y1 - 2020/1/17

N2 - We present a new approach to take into account resonance decays in the blast-wave model fits of identified hadron spectra. Thanks to precalculated decayed particle spectra, we are able to extract, in a matter of seconds, the multiplicity dependence of the single freeze-out temperature T-fo, average fluid velocity , velocity exponent n, and the volume dV/dy of an expanding fireball. In contrast to blast-wave fits without resonance feed-down, our approach results in a freeze-out temperature of T-fo approximate to 150 MeV, which has only weak dependence on multiplicity and collision system. Finally, we discuss separate chemical and kinetic freeze-outs separated by partial chemical equilibrium.

AB - We present a new approach to take into account resonance decays in the blast-wave model fits of identified hadron spectra. Thanks to precalculated decayed particle spectra, we are able to extract, in a matter of seconds, the multiplicity dependence of the single freeze-out temperature T-fo, average fluid velocity , velocity exponent n, and the volume dV/dy of an expanding fireball. In contrast to blast-wave fits without resonance feed-down, our approach results in a freeze-out temperature of T-fo approximate to 150 MeV, which has only weak dependence on multiplicity and collision system. Finally, we discuss separate chemical and kinetic freeze-outs separated by partial chemical equilibrium.

KW - MULTIPLICITY DEPENDENCE

KW - QCD

KW - MOMENTUM

KW - KAON

KW - FLOW

U2 - 10.1103/PhysRevC.101.014910

DO - 10.1103/PhysRevC.101.014910

M3 - Journal article

VL - 101

JO - Physical Review C

JF - Physical Review C

SN - 2469-9985

IS - 1

M1 - 014910

ER -

ID: 248291228