Heptaquarks with two heavy antiquarks in a simple chromomagnetic model

Aaron Park; Woosung Park; Su Houng Lee

doi:10.1103/PhysRevD.96.034029

Heptaquarks with two heavy antiquarks in a simple chromomagnetic model

Aaron Park, Woosung Park, Su Houng Lee

Department of Physics

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

We investigate the symmetry property and the stability of the heptaquark containing two identical heavy antiquarks using color-spin interaction. We construct the wave function of the heptaquark from the Pauli exclusion principle in the SU(3) breaking case. The stability of the heptaquark against the strong decay into one baryon and two mesons is discussed in a simple chromomagnetic model. We find that q2s3s2 with I=0,S=52 is the most stable heptaquark configuration that could be probed by reconstructing the Λ+φ+φ invariant mass.

Original language	English
Article number	034029
Journal	Physical Review D
Volume	96
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevD.96.034029
Publication status	Published - 2017 Aug 1

Bibliographical note

Funding Information:
This work was supported by the Korea National Research Foundation under Grant No. 2016R1D1A1B03930089. The work of W. S. P. was supported by the National Research Foundation of Korea (NRF) grant funded by the Ministry of Education (Grant No. 2017R 1D 1A 1B 03028419).

Publisher Copyright:
© 2017 American Physical Society.

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.96.034029

Cite this

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abstract = "We investigate the symmetry property and the stability of the heptaquark containing two identical heavy antiquarks using color-spin interaction. We construct the wave function of the heptaquark from the Pauli exclusion principle in the SU(3) breaking case. The stability of the heptaquark against the strong decay into one baryon and two mesons is discussed in a simple chromomagnetic model. We find that q2s3s2 with I=0,S=52 is the most stable heptaquark configuration that could be probed by reconstructing the Λ+φ+φ invariant mass.",

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AB - We investigate the symmetry property and the stability of the heptaquark containing two identical heavy antiquarks using color-spin interaction. We construct the wave function of the heptaquark from the Pauli exclusion principle in the SU(3) breaking case. The stability of the heptaquark against the strong decay into one baryon and two mesons is discussed in a simple chromomagnetic model. We find that q2s3s2 with I=0,S=52 is the most stable heptaquark configuration that could be probed by reconstructing the Λ+φ+φ invariant mass.

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Heptaquarks with two heavy antiquarks in a simple chromomagnetic model

Abstract

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