Studying the Bound State of the BK¯ System in the Bethe-Salpeter Formalism

In this work, we study the BK¯ molecule in the Bethe-Salpeter (BS) equation approach. With the kernel containing one-particle-exchange diagrams and introducing two different form factors (monopole form factor and dipole form factor) in the vertex, we solve the BS equation numerically in the covarian...

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Bibliographic Details
Published in:Advances in high energy physics 2019, Vol.2019 (2019), p.1-6
Main Authors: Wang, Zhen-Yang, Guo, Xin-Heng, Qi, Jing-Juan
Format: Article
Language:English
Subjects:
Collaboration
Dipoles
Form factors
High energy physics
Kinematics
Mathematical analysis
Physics
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Summary:In this work, we study the BK¯ molecule in the Bethe-Salpeter (BS) equation approach. With the kernel containing one-particle-exchange diagrams and introducing two different form factors (monopole form factor and dipole form factor) in the vertex, we solve the BS equation numerically in the covariant instantaneous approximation. We investigate the isoscalar and isovector BK¯ systems, and we find that X5568 cannot be a BK¯ molecule.
ISSN:1687-7357
1687-7365
DOI:10.1155/2019/7576254