XJ(2900) states in a hot hadronic medium

In this work we investigate the hadronic effects on the XJ=0,1(2900) states in heavy-ion collisions. We make use of effective Lagrangians to estimate the cross sections and their thermal averages of the processes XJπ→¯D∗K,K∗¯D, as well as those of the corresponding inverse processes, considering als...

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Bibliographic Details
Published in:Physical review. D 2021-02, Vol.103 (3)
Main Author: Abreu, Luciano M
Format: Article
Language:English
Subjects:
Heavy ions
Ionic collisions
P waves
S waves
Online Access:Get full text
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Summary:In this work we investigate the hadronic effects on the XJ=0,1(2900) states in heavy-ion collisions. We make use of effective Lagrangians to estimate the cross sections and their thermal averages of the processes XJπ→¯D∗K,K∗¯D, as well as those of the corresponding inverse processes, considering also the possibility of different isospin assignments (I=0, 1). We complete the analysis by solving the rate equation to follow the time evolution of the XJ(2900) multiplicities and determine how they are affected by the considered reactions during the expansion of the hadronic matter. We also perform a comparison of the XJ(2900) abundances considering them as hadronic molecular states (J=0 as a S wave and J=1 as a P wave) and tetraquark states at kinetic freeze-out.
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.103.036013