D+→Ks0π+η reaction and a0(980)

We study the D + → K ¯ 0 π + η reaction where the a 0 ( 980 ) excitation plays a dominant role. We consider mechanisms of external and internal emission at the quark level, hadronize the q q ¯ components into two mesons and allow these mesons to undergo final state interaction where the a 0 ( 980 )...

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Bibliographic Details
Published in:The European physical journal. C, Particles and fields Particles and fields, 2024-05, Vol.84 (5), p.469
Main Authors: Ikeno, Natsumi, Dias, Jorgivan M., Liang, Wei-Hong, Oset, Eulogio
Format: Article
Language:English
Subjects:
Astronomy
Astrophysics and Cosmology
Elementary Particles
Hadrons
Heavy Ions
Measurement Science and Instrumentation
Mesons
Nuclear Energy
Nuclear Physics
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quarks
Regular Article -Theoretical Physics
String Theory
Theoretical physics
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Summary:We study the D + → K ¯ 0 π + η reaction where the a 0 ( 980 ) excitation plays a dominant role. We consider mechanisms of external and internal emission at the quark level, hadronize the q q ¯ components into two mesons and allow these mesons to undergo final state interaction where the a 0 ( 980 ) state is generated. While the a 0 ( 980 ) production is the dominant term, we also find other terms in the reaction that interfere with this production mode and, through interference with it, lead to a shape of the a 0 ( 980 ) significantly different from the one observed in other experiments, with an apparently much larger width.
ISSN:1434-6044
1434-6052
DOI:10.1140/epjc/s10052-024-12844-0