Identified charged-hadron production in p + Al, 3He + Au, and Cu + Au collisions at √sNN=200 GeV and in U + U collisions at √sNN=193 GeV

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F24%3A00617343" target="_blank" >RIV/68378271:_____/24:00617343 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.1103/PhysRevC.109.054910" target="_blank" >https://doi.org/10.1103/PhysRevC.109.054910</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevC.109.054910" target="_blank" >10.1103/PhysRevC.109.054910</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Identified charged-hadron production in p + Al, 3He + Au, and Cu + Au collisions at √sNN=200 GeV and in U + U collisions at √sNN=193 GeV

Popis výsledku v původním jazyce

The PHENIX experiment has performed a systematic study of identified charged-hadron (π±, K±, p, p¯) production at midrapidity in p+Al, He3+Au, and Cu+Au collisions at √sNN=200GeV and U+U collisions at √sNN=193GeV. Identified charged-hadron invariant transverse-momentum (pT) and transverse-mass (mT) spectra are presented and interpreted in terms of radially expanding thermalized systems. The particle ratios of K/π and p/π have been measured in different centrality ranges of large (Cu+Au and U+U) and small (p+Al and He3+Au) collision systems. The values of K/π ratios measured in all considered collision systems were found to be consistent with those measured in p+p collisions. However, the values of p/π ratios measured in large collision systems reach the values of ≈0.6, which is a factor of ≈2 larger than in p+p collisions. These results can be qualitatively understood in terms of the baryon enhancement expected from hadronization by recombination. Identified charged-hadron nuclear-modification factors (RAB) are also presented.

Název v anglickém jazyce

Identified charged-hadron production in p + Al, 3He + Au, and Cu + Au collisions at √sNN=200 GeV and in U + U collisions at √sNN=193 GeV

Popis výsledku anglicky

The PHENIX experiment has performed a systematic study of identified charged-hadron (π±, K±, p, p¯) production at midrapidity in p+Al, He3+Au, and Cu+Au collisions at √sNN=200GeV and U+U collisions at √sNN=193GeV. Identified charged-hadron invariant transverse-momentum (pT) and transverse-mass (mT) spectra are presented and interpreted in terms of radially expanding thermalized systems. The particle ratios of K/π and p/π have been measured in different centrality ranges of large (Cu+Au and U+U) and small (p+Al and He3+Au) collision systems. The values of K/π ratios measured in all considered collision systems were found to be consistent with those measured in p+p collisions. However, the values of p/π ratios measured in large collision systems reach the values of ≈0.6, which is a factor of ≈2 larger than in p+p collisions. These results can be qualitatively understood in terms of the baryon enhancement expected from hadronization by recombination. Identified charged-hadron nuclear-modification factors (RAB) are also presented.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10303 - Particles and field physics

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2024

Kód důvěrnosti údajů

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

Název periodika

Physical Review C

ISSN

2469-9985

e-ISSN

2469-9993

Svazek periodika

109

Číslo periodika v rámci svazku

5

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

17

Strana od-do

054910

Kód UT WoS článku

001261392000001

EID výsledku v databázi Scopus

2-s2.0-85193813383