Azimuthal correlations of heavy-flavor hadron decay electrons with charged particles in pp and p-Pb collisions at √sNN=5.02 TeV

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A_____%2F23%3A00577596" target="_blank" >RIV/61389005:_____/23:00577596 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68378271:_____/23:00577596

Výsledek na webu

<a href="https://doi.org/10.1140/epjc/s10052-023-11835-x" target="_blank" >https://doi.org/10.1140/epjc/s10052-023-11835-x</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1140/epjc/s10052-023-11835-x" target="_blank" >10.1140/epjc/s10052-023-11835-x</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Azimuthal correlations of heavy-flavor hadron decay electrons with charged particles in pp and p-Pb collisions at √sNN=5.02 TeV

Popis výsledku v původním jazyce

The azimuthal (Delta phi) correlation distributions between heavy-flavor decay electrons and associated charged particles are measured in pp and p-Pb collisions at root s(NN) =5.02 TeV. Results are reported for electrons with transverse momentum 4 < p(T) < 16 GeV/c and pseudorapidity |eta| < 0.6. The associated charged particles are selected with transverse momentum 1 < p(T) < 7 GeV/c, and relative pseudorapidity separation with the leading electron |Delta eta| < 1. The correlation measurements are performed to study and characterize the fragmentation and hadronization of heavy quarks. The correlation structures are fitted with a constant and two von Mises functions to obtain the baseline and the near- and away-side peaks, respectively. The results from p-Pb collisions are compared with those from pp collisions to study the effects of cold nuclear matter. In the measured trigger electron and associated particle kinematic regions, the two collision systems give consistent results. The Delta phi distribution and the peak observables in pp and p-Pb collisions are compared with calculations from various Monte Carlo event generators.

Název v anglickém jazyce

Azimuthal correlations of heavy-flavor hadron decay electrons with charged particles in pp and p-Pb collisions at √sNN=5.02 TeV

Popis výsledku anglicky

The azimuthal (Delta phi) correlation distributions between heavy-flavor decay electrons and associated charged particles are measured in pp and p-Pb collisions at root s(NN) =5.02 TeV. Results are reported for electrons with transverse momentum 4 < p(T) < 16 GeV/c and pseudorapidity |eta| < 0.6. The associated charged particles are selected with transverse momentum 1 < p(T) < 7 GeV/c, and relative pseudorapidity separation with the leading electron |Delta eta| < 1. The correlation measurements are performed to study and characterize the fragmentation and hadronization of heavy quarks. The correlation structures are fitted with a constant and two von Mises functions to obtain the baseline and the near- and away-side peaks, respectively. The results from p-Pb collisions are compared with those from pp collisions to study the effects of cold nuclear matter. In the measured trigger electron and associated particle kinematic regions, the two collision systems give consistent results. The Delta phi distribution and the peak observables in pp and p-Pb collisions are compared with calculations from various Monte Carlo event generators.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10304 - Nuclear physics

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2023

Kód důvěrnosti údajů

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

Název periodika

European Physical Journal C

ISSN

1434-6044

e-ISSN

1434-6052

Svazek periodika

83

Číslo periodika v rámci svazku

8

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

30

Strana od-do

741

Kód UT WoS článku

001062407600002

EID výsledku v databázi Scopus

2-s2.0-85169140593