Hyperon semileptonic decays in QCD sum rules
Sign Up to like & getrecommendations! Published in 2024 at "Journal of High Energy Physics"
DOI: 10.1007/jhep06(2024)122
Abstract: We investigate the hyperon semileptonic decays within the framework of QCD sum rules. The flavor SU(3) symmetry breaking effects are analyzed via the relevant form factors and corresponding branching fractions. Employing the z-series parameterization to… read more here.
Keywords: sum rules; semileptonic decays; hyperon semileptonic; qcd sum ... See more keywords
0– – hidden-heavy tetraquark states via QCD sum rules
Sign Up to like & getrecommendations! Published in 2024 at "Chinese Physics C"
DOI: 10.1088/1674-1137/ad53b7
Abstract: In this study, we evaluated the mass spectra of the prospective hidden-charm and hidden-bottom tetraquark states in molecular configuration via QCD sum rules. In our calculation, the nonperturbative condensate contributions are considered up to dimension… read more here.
Keywords: tetraquark states; sum rules; tetraquark; via qcd ... See more keywords
Mass spectrum of the hidden-charm hybrid states via QCD sum rules
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review D"
DOI: 10.1103/hv4x-dnmt
Abstract: In this work, we study the mass spectrum of the hidden-charm hybrid states with the $J^{PC}=0^{-+}$, $0^{++}$, $0^{--}$, $1^{++}$, $1^{+-}$, $1^{-+}$, $1^{--}$, $2^{-+}$ and $2^{++}$ via the QCD sum rules in a consistent way. We… read more here.
Keywords: sum rules; hidden charm; charm hybrid; hybrid states ... See more keywords
Neutron matter within QCD sum rules
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DOI: 10.1103/physrevc.97.054322
Abstract: Equation of state (EOS) of pure neutron matter (PNM) is studied in QCD sum rules (QCDSR). It is found that the QCDSR results on EOS of PNM are in good agreement with predictions by current… read more here.
Keywords: sum rules; density; neutron matter; qcd sum ... See more keywords
Semileptonic Ξc baryon decays in the light cone QCD sum rules
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review D"
DOI: 10.1103/physrevd.104.054030
Abstract: Form factors of the weak Ξc → Ξ(Λ) transitions are calculated within the light cone QCD sum rules. The pollutions coming from the contribution of the negative parity Ξc baryon is eliminated by considering the… read more here.
Keywords: cone qcd; light cone; sum; qcd sum ... See more keywords
Isovector meson masses from QCD sum rules
Sign Up to like & getrecommendations! Published in 2022 at "Modern Physics Letters A"
DOI: 10.1142/s0217732323500098
Abstract: We present a calculation of the masses of the isovector mesons (vector, scalar and pseudoscalar including the established recurrences) using a new method of finite energy QCD sum rules. The method is based on the… read more here.
Keywords: qcd sum; isovector meson; masses qcd; meson masses ... See more keywords
Analysis of the strong vertices of ΣcND∗ and ΣbNB∗ in QCD sum rules
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Modern Physics A"
DOI: 10.1142/s0217751x18502172
Abstract: The strong coupling constant is an important parameter that can help us understand the strong decay behaviors of baryons. In our previous work, we have analyzed the strong vertices [Formula: see text], [Formula: see text],… read more here.
Keywords: strong vertices; see text; formula see; text formula ... See more keywords
Analysis of strong decays of the Zc(4600) with the QCD sum rules
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Modern Physics A"
DOI: 10.1142/s0217751x19501100
Abstract: In this paper, we tentatively assign the [Formula: see text] to be the [Formula: see text] type vector tetraquark state and study its two-body strong decays with the QCD sum rules based on solid quark–hadron… read more here.
Keywords: strong decays; qcd sum; formula see; see text ... See more keywords
Review of the QCD sum rules for exotic states
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DOI: 10.15302/frontphys.2026.016300
Abstract: We review the exotic states, such as the $X$, $Y$, $Z$, $T$ and $P$ states, and present their possible assignments based on the QCD sum rules. We present many predictions which can be confronted to… read more here.
Keywords: sum rules; review qcd; exotic states; qcd sum ... See more keywords
Three-body nuclear interactions in the QCD sum rules
Sign Up to like & getrecommendations! Published in 2017 at "Bulletin of the Russian Academy of Sciences: Physics"
DOI: 10.3103/s1062873817100094
Abstract: The QCD sum rules used to calculate the characteristics of single-particle nucleons are reviewed briefly. The contribution from three-body forces to the nucleon self-energies are calculated. read more here.
Keywords: sum rules; three body; body nuclear; qcd sum ... See more keywords
Analysis of the $\frac {3}{2}^{\pm }$ Pentaquark States in the Diquark Model with QCD Sum Rules
Sign Up to like & getrecommendations! Published in 2017 at "Acta Physica Polonica B"
DOI: 10.5506/aphyspolb.48.2013
Abstract: In this article, we construct the scalar-diquark-axialvector-diquark-antiquark type interpolating currents, and study the masses and pole residues of the $J^{P}=\frac{3}{2}^{\pm}$ hidden-charmed pentaquark states with the QCD sum rules. In calculations, we use the formula $\mu=\sqrt{M^2_{P}-(2{\mathbb{M}}_c)^2}$… read more here.
Keywords: sum rules; pentaquark states; analysis frac; qcd sum ... See more keywords