A. Hosaka

activity

20092026

most citedCoupling vector and pseudoscalar mesons to study baryon resonances

68 citations · 354 across the 19 of their papers we have counts for

collaborators

18 papers

hep-ph2026

Nature of the newly found $Ω (2109)$

Taísa Veloso, K. P. Khemchandani, A. Martinez Torres +2

We present model calculations to reveal the nature of the newly found $Ω^{-} (2109)$ by the BESIII Collaboration, and show that the state has a strong correlation with the $\bar K^*(8…

hep-ph2020★ 12 cited

Decay properties of $N^{*} (1895)$

K. P. Khemchandani, A. Martinez Torres, H. Nagahiro +1

The nature of nucleon resonances is still being debated, while much experimental data are accumulated. In this work, we focus on the negative parity resonance $N^{*} (1895)$ which is…

hep-ph2020★ 22 cited

Roper-like resonances with various flavor contents and their two-pion emission decays

A. J. Arifi, H. Nagahiro, A. Hosaka +1

We study the three-body decay of the newly observed bottom baryon $Λ_{b}^{*} (6072)$ by LHCb; $Λ_{b}^{*} (6072) \to Λ_{b} π π$ . Its mass about 500 MeV above the ground state $Λ_{b}$ and a broad w…

hep-ph2020★ 13 cited

Three-body decay of $Λ_{c}^{*} (2765)$ and determination of its spin-parity

A. J. Arifi, H. Nagahiro, A. Hosaka +1

We study three-body decays of $Λ_{c}^{*} (2765) \to Λ_{c}^{+} π^{+} π^{-}$ by using effective Lagrangians in a non-relativistic framework. We consider the sequential decays through $Σ_{c} (2455) π$ …

hep-ph2018★ 13 cited

Three-Body Decay of $Λ_{c}^{} (2595)$ and $Λ_{c}^{} (2625)$ with the Inclusion of Direct Two-Pion Coupling

A. J. Arifi, H. Nagahiro, A. Hosaka

We investigate the three-body decays of $Λ_{c}^{*} (2595)$ and $Λ_{c}^{*} (2625)$ into $Λ_{c} π π$ by including a direct process going through the two-pion coupling of $Λ_{c}^{*} Λ_{c} π π$ in addition…

hep-ph2017

Understanding the properties of $Ξ (1690)$ and $Ξ (2120)$

K. P. Khemchandani, A. Martínez Torres, A. Hosaka +3

In this manuscript we discuss the results of our recent study on $Ξ$ resonances. We have studied meson-baryon interaction with strangeness $- 2$ by solving scattering equations in a…

hep-ph2017★ 18 cited

Three-Body Decay of $Λ_{c}^{} (2595)$ and $Λ_{c}^{} (2625)$ with Consideration of $Σ_{c} (2455) π$ and $Σ_{c}^{*} (2520) π$ in Intermediate States

A. J. Arifi, H. Nagahiro, A. Hosaka

Three-body decay of charmed baryons $Λ_{c}^{*} (2595)$ and $Λ_{c}^{*} (2625)$ into $Λ_{c} π π$ are studied with effective Lagrangians in which the coupling constants are extracted from the non-…

hep-ph2014

Decays of double charmed meson molecules

R. Molina, A. Hosaka, H. Nagahiro

The interaction between pseudoscalar and/or vector mesons can be studied using hidden gauge Lagrangians. In this framework, the interaction between charmed mesons has been studied.…

nucl-th2013★ 7 cited

$N^{*}$ 's and $Δ$ 's generated in vector, pseudoscalar meson-baryon systems

K. P. Khemchandani, A. Martínez Torres, H. Nagahiro +1

We have recently studied coupled channel interactions of vector and pseudoscalar mesons with octet baryons having total strangeness null and spin-parity $1/ 2^{-}$ . We, thus, consider…

hep-ph2013

Decays of doubly charmed meson molecules

R. Molina, H. Nagahiro, A. Hosaka

Several observed states close to the $D D ˉ^{*}$ and $D_{(s)}^{*} D ˉ_{(s)}^{*}$ thresholds, as the X(3872) and some XYZ particles can be described in terms of a two-meson molecule…

nucl-th2013★ 48 cited

Role of vector and pseudoscalar mesons in understanding $1/ 2^{-}$ $N^{*}$ and $Δ$ resonances

K. P. Khemchandani, A. Martínez Torres, H. Nagahiro +1

A study of nonstrange meson-baryon systems has been made with the idea of understanding the properties of the low-lying $1/ 2^{-}$ $N^{*}$ and $Δ$ resonances. The coupled channels are b…

nucl-th2012★ 28 cited

Negative parity $Λ$ and $Σ$ resonances coupled to pseudoscalar and vector mesons

K. P. Khemchandani, A. Martínez Torres, H. Nagahiro +1

An exploration of the dynamically generated $Λ$ and $Σ$ resonances has been made in the vector meson-baryon (VB) systems coupled to pseudoscalar meson-baryon (PB) channels. The VB…

nucl-th2011★ 68 cited

Coupling vector and pseudoscalar mesons to study baryon resonances

K. P. Khemchandani, A. Martínez Torres, H. Kaneko +2

A study of meson-baryon systems with total strangeness -1 is made within a framework based on the chiral and hidden local symmetries. These systems consist of octet baryons, pseudo…

nucl-th2011★ 30 cited

Theoretical support for the $π (1300)$ and the recently claimed $f_{0} (1790)$ as molecular resonances

A. Martínez Torres, K. P. Khemchandani, D. Jido +1

A study of three-pseudoscalar $π K K ˉ$ and $π π η$ coupled system is made by solving the Faddeev equations within an approach based on unitary chiral dynamics. A resonance with t…

hep-lat2011★ 10 cited

Lattice QCD Study for Confinement in Hadrons

H. Suganuma, T. Iritani, F. Okiharu +2

We study three subjects on quark confinement in hadrons in SU(3) $_{c}$ lattice QCD. From the accurate lattice calculation for more than 300 different patterns of three-quark (3…

hep-ph2011★ 36 cited

Composite and elementary natures of a1(1260) meson

H. Nagahiro, K. Nawa, S. Ozaki +2

We develop a practical method to analyze the mixing structure of hadrons consisting of two components of quark-composite and hadronic composite. As an example we investigate the pr…

hep-ph2010★ 9 cited

Decay of vector-vector resonances into $γ$ and a pseudoscalar meson

R. Molina$^1$, H. Nagahiro$^2$, A. Hosaka$^3$ +1

We study the decay of dynamically generated resonances from the interaction of two vectors into a $γ$ and a pseudoscalar meson. The dynamics requires anomalous terms involving vert…

hep-ph2009★ 27 cited

Charged K* Photoproduction in a Regge model

S. Ozaki, H. Nagahiro, A. Hosaka

We investigate $γ p \to K^{*+} Λ$ reaction within a Regge approach. For the gauge invariance of the scattering amplitude, we reggeize the s-channel and contact term amplitudes as we…

Nature of the newly found Ω(2109)

Decay properties of N∗(1895)

Roper-like resonances with various flavor contents and their two-pion emission decays

Three-body decay of Λc∗​(2765) and determination of its spin-parity

Three-Body Decay of Λc∗​(2595) and Λc∗​(2625) with the Inclusion of Direct Two-Pion Coupling

Understanding the properties of Ξ(1690) and Ξ(2120)

Three-Body Decay of Λc∗​(2595) and Λc∗​(2625) with Consideration of Σc​(2455)π and Σc∗​(2520)π in Intermediate States

Decays of double charmed meson molecules

N∗'s and Δ's generated in vector, pseudoscalar meson-baryon systems

Decays of doubly charmed meson molecules

Role of vector and pseudoscalar mesons in understanding 1/2− N∗ and Δ resonances

Negative parity Λ and Σ resonances coupled to pseudoscalar and vector mesons

Coupling vector and pseudoscalar mesons to study baryon resonances

Theoretical support for the π(1300) and the recently claimed f0​(1790) as molecular resonances

Lattice QCD Study for Confinement in Hadrons

Composite and elementary natures of a1(1260) meson

Decay of vector-vector resonances into γ and a pseudoscalar meson

Charged K* Photoproduction in a Regge model

Nature of the newly found $Ω (2109)$

Decay properties of $N^{*} (1895)$

Three-body decay of $Λ_{c}^{*} (2765)$ and determination of its spin-parity

Three-Body Decay of $Λ_{c}^{} (2595)$ and $Λ_{c}^{} (2625)$ with the Inclusion of Direct Two-Pion Coupling

Understanding the properties of $Ξ (1690)$ and $Ξ (2120)$

Three-Body Decay of $Λ_{c}^{} (2595)$ and $Λ_{c}^{} (2625)$ with Consideration of $Σ_{c} (2455) π$ and $Σ_{c}^{*} (2520) π$ in Intermediate States

$N^{*}$ 's and $Δ$ 's generated in vector, pseudoscalar meson-baryon systems

Role of vector and pseudoscalar mesons in understanding $1/ 2^{-}$ $N^{*}$ and $Δ$ resonances

Negative parity $Λ$ and $Σ$ resonances coupled to pseudoscalar and vector mesons

Theoretical support for the $π (1300)$ and the recently claimed $f_{0} (1790)$ as molecular resonances

Decay of vector-vector resonances into $γ$ and a pseudoscalar meson