Exploring kaon induced reactions for unraveling the nature of the scalar meson $a_0(1817)$

Abstract

In this study, we comprehensively investigate the production of isovector scalar meson $a_0(1817)$ using the effective Lagrangian approach. Specifically, we employ the Reggeized $t$ channel Born term to calculate the total and differential cross sections for the reaction $K^{-}p\to a_0(1817)\Lambda$. Our analysis reveals that the optimal energy range for detecting the $a_0(1817)$ meson lies between $W=3.4$ GeV and $W=3.6$ GeV, where the predicted total cross section reaches a minimum value of 112 nb. Notably, the $t$ channel, as predicted by the Regge model, significantly enhances the differential cross sections, particularly at extreme forward angles. Furthermore, we investigate the Dalitz processes of $2\to 3$ and discuss the feasibility of detecting the $a_0(1817)$ meson in experiments such as J-PARC.

6 pages, 6 figures

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Cited by in corpus (8)

• Theoretical study of scalar meson $a_0(1710)$ in the ${\eta }_c\to {\bar{K}}^0{K}^{+}{\pi }^{-}$ reaction
• Unveiling the $a_0(1710)$ nature in the process $J/\psi \to {\bar{K}}^0{K}^{+}{\rho }^{-}$
• Prospects for detecting the hidden-strange pentaquarklike state $N^{\ast }(2080)$ in the ${\pi }^{-}p\to \varphi n$ reaction
• Production potential of hidden-strange molecular pentaquarks through the ${\pi }^{-}p\to K^{\ast }\Sigma$ process
• Understanding of the BESIII measurement of (anti)hyperon-nucleon scattering
• Production of high-spin ${\omega }_J/{\rho }_J$ ($J=2,3,4,5$) mesons in ${\pi }^{-}p$ reactions
• Producing $\Lambda (1405)$ and $\Lambda (1520)$ in ${\pi }^{-}p$ reaction to explore their inner structures
• Roles of $a_0(980)$ and $a_0(1710)$ in Cabibbo-suppressed process $D^{+}\to {\pi }^0{\pi }^{+}\eta$