Radial and angular resonance states of DS meson and its decay properties

In this paper, we study the [Formula: see text] meson’s radial and angular resonance states using the relativistic independent quark potential model with scalar and vector components of square root confinement. The model parameters are set phenomenologically, with [Formula: see text] [Formula: see text]GeV, [Formula: see text] [Formula: see text]GeV, and the leading predictions, [Formula: see text] (2.112[Formula: see text]GeV) and [Formula: see text] (1.903[Formula: see text]GeV), are well in accord with PDG results. To explore radial and angular resonance states, we adjust [Formula: see text] [Formula: see text]GeV while keeping “a” remains constant. Our computations, 2[Formula: see text] (2.707[Formula: see text]GeV), 2[Formula: see text] (2.687[Formula: see text]GeV), 3[Formula: see text] (3.336[Formula: see text]GeV), 3[Formula: see text] (3.327[Formula: see text]GeV), 1[Formula: see text] (2.568[Formula: see text]GeV), 1[Formula: see text] (2.535[Formula: see text]GeV), 1[Formula: see text] (2.314[Formula: see text]GeV), 1[Formula: see text] (2.467[Formula: see text]GeV), 2[Formula: see text] (3.098[Formula: see text]GeV), and 1[Formula: see text] (2.866[Formula: see text]GeV), are nearly matching with both experiment and other theoretical results. Further, we calculate the pseudoscalar and vector meson decay constant, magnetic transitions [Formula: see text] transition), non-leptonic, and semileptonic decay widths and branching fractions of [Formula: see text]-meson. The findings are in reasonable accord with Lattice QCD computations, experimental data, and other theoretical projections. The current calculated values of [Formula: see text] and [Formula: see text], are nearly identical with the PDG and QCDSR values. The predicted magnetic transition aligns well with experimental and other computed theoretical values. The calculated non-leptonic decay widths, like, [Formula: see text], [Formula: see text], [Formula: see text], [Formula: see text] shows good agreement with experimental values. Furthermore, we figure out the semileptonic decay widths and branching fractions of [Formula: see text]-mesons, such as [Formula: see text], [Formula: see text], [Formula: see text], and shows good agreement with the PDG results. Our findings are consistent with Lattice QCD computations, experimental observations, and other theoretical predictions.

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Publication Details

Journal
Modern Physics Letters A
Published
2026-01-14
DOI
https://doi.org/10.1142/s0217732326500161
Primary Topic
Quantum Chromodynamics and Particle Interactions
Type
article
Field-Weighted Citation Impact
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article

Radial and angular resonance states of DS meson and its decay properties

S. Behera, S. Panda
Modern Physics Letters A
Quantum Chromodynamics and Particle Interactions
article

Radial and angular resonance states of DS meson and its decay properties

S. Behera, S. Panda
article en

Abstract

In this paper, we study the [Formula: see text] meson’s radial and angular resonance states using the relativistic independent quark potential model with scalar and vector components of square root confinement. The model parameters are set phenomenologically, with [Formula: see text] [Formula: see text]GeV, [Formula: see text] [Formula: see text]GeV, and the leading predictions, [Formula: see text] (2.112[Formula: see text]GeV) and [Formula: see text] (1.903[Formula: see text]GeV), are well in accord with PDG results. To explore radial and angular resonance states, we adjust [Formula: see text] [Formula: see text]GeV while keeping “a” remains constant. Our computations, 2[Formula: see text] (2.707[Formula: see text]GeV), 2[Formula: see text] (2.687[Formula: see text]GeV), 3[Formula: see text] (3.336[Formula: see text]GeV), 3[Formula: see text] (3.327[Formula: see text]GeV), 1[Formula: see text] (2.568[Formula: see text]GeV), 1[Formula: see text] (2.535[Formula: see text]GeV), 1[Formula: see text] (2.314[Formula: see text]GeV), 1[Formula: see text] (2.467[Formula: see text]GeV), 2[Formula: see text] (3.098[Formula: see text]GeV), and 1[Formula: see text] (2.866[Formula: see text]GeV), are nearly matching with both experiment and other theoretical results. Further, we calculate the pseudoscalar and vector meson decay constant, magnetic transitions [Formula: see text] transition), non-leptonic, and semileptonic decay widths and branching fractions of [Formula: see text]-meson. The findings are in reasonable accord with Lattice QCD computations, experimental data, and other theoretical projections. The current calculated values of [Formula: see text] and [Formula: see text], are nearly identical with the PDG and QCDSR values. The predicted magnetic transition aligns well with experimental and other computed theoretical values. The calculated non-leptonic decay widths, like, [Formula: see text], [Formula: see text], [Formula: see text], [Formula: see text] shows good agreement with experimental values. Furthermore, we figure out the semileptonic decay widths and branching fractions of [Formula: see text]-mesons, such as [Formula: see text], [Formula: see text], [Formula: see text], and shows good agreement with the PDG results. Our findings are consistent with Lattice QCD computations, experimental observations, and other theoretical predictions.

Modern Physics Letters AVol. 41(06)
Government Medical College (IN), Berhampur University (IN)
Openalex Percentile: Top 84%
Quantum Chromodynamics and Particle Interactions
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