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Related papers: $\Xi(1620)$ production in $K^- p$ scattering proce…

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Photoproduction of the cascade resonances has been investigated in the reactions $\gamma p \to K^+ K^+ (X)$ and $\gamma p \to K^+ K^+ \pi^- (X)$. The mass split of the $\Xi$ doublet is measured to be $5.4\pm 1.8$ MeV/c$^2$, consistent with…

Nuclear Experiment · Physics 2019-08-14 L. Guo , D. P. Weygand , M. Battaglieri , R. De Vita , V. Kubarovsky , P. Stoler

Last year, the $\Xi(1620)$ state that is cataloged in the Particle Data Group (PDG) with only one star is reported again in the $\Xi^{-}\pi^{+}$ final state by the Belle Collaboration. Its properties not only the spectroscopy but also the…

High Energy Physics - Phenomenology · Physics 2021-01-11 HongQiang Zhu , Feng Yang , Yin Huang

We study the compatibility between the $K^-\Lambda$ correlation function, recently measured by the ALICE collaboration, and the LHCb $K^-\Lambda$ invariant mass distribution obtained in the $\Xi^-_b \to J/\psi \Lambda K^-$ decay. The…

High Energy Physics - Phenomenology · Physics 2024-11-18 A. Feijoo , V. Mantovani Sarti , J. Nieves , A . Ramos , I Vidaña

A chiral quark-model approach is extended to the study of the $\bar{K}N$ scattering at low energies. The process of $K^-p\to \Sigma^0\pi^0$ at $P_K\lesssim 800$ MeV/c (i.e. the center mass energy $W\lesssim 1.7$ GeV) is investigated. This…

Nuclear Theory · Physics 2009-12-31 Xian-Hui Zhong , Qiang Zhao

In this paper we report cross-section measurements for $\Xi^-p$ elastic and inelastic scatterings at low energy using a scintillating fiber active target. Upper limit on the total cross-section for the elastic scattering was found to be 24…

The production of hidden-bottom pentaquark $P_{b}$ states via $\gamma p$ and $\pi ^{-}p$ scatterings is studied within an effective Lagrangian approach and the vector-meson-dominance mechnism. For the $P_{b}$ production in the process…

High Energy Physics - Phenomenology · Physics 2020-07-16 Xiao-Yun Wang , Jun He , Xurong Chen

In this work, we propose to investigate the $d_{N\Omega}$ dibaryon production in the process $K^- p \rightarrow d_{N\Omega} \bar{\Xi}^0$ by utilizing the kaon beam with the typical momentum to be around 10 GeV, which may be available at…

High Energy Physics - Phenomenology · Physics 2023-05-03 Jing Liu , Qi-Fang Lü , Chun-Hua Liu , Dian-Yong Chen , Yu-Bing Dong

The data on differential cross sections and photon-beam asymmetries for the $\gamma p \to K^+\Lambda(1520)$ reaction have been analyzed within a tree-level effective Lagrangian approach. In addition to the $t$-channel $K$ and $K^\ast$…

High Energy Physics - Phenomenology · Physics 2021-02-12 Neng-Chang Wei , Yu Zhang , Fei Huang , De-Min Li

The cross sections for the reactions of the strange production p + p -> p + Lambda + K^+ and p + p -> p + Sigma^0 + K^+ near thresholds of the final states p Lambda K^+ and p Sigma^0 K^+ are calculated in the effective Lagrangian approach.…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Ya. Berdnikov , Ya. A. Berdnikov , A. N. Ivanov , V. F. Kosmach , M. D. Scadron , N. I. Troitskaya

Using a gauged flavor SU(3) invariant hadronic Lagrangian, we study $\Xi$ production from $\bar K$ induced reactions on $\Lambda$ and $\Sigma$ in a coupled-channel approach. Including the four channels of $\bar K\Lambda$, $\bar K\Sigma$,…

Nuclear Theory · Physics 2009-11-07 C. H. Li , C. M. Ko

The photoproduction reaction $\gamma N \to K K \Xi$ is investigated based on a relativistic meson-exchange model of hadronic interactions. The production amplitude is calculated in the tree-level approximation from relevant effective…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. Nakayama , Yongseok Oh , H. Haberzettl

We study the $\Xi(1620)$ resonance near the $\bar{K}\Lambda$ threshold in the light of the recent experimental constraints. The Belle collaboration have found a resonance peak of $\Xi(1620)$ slightly below the $\bar{K}^{0}\Lambda$ threshold…

High Energy Physics - Phenomenology · Physics 2023-05-19 Takuma Nishibuchi , Tetsuo Hyodo

The newly observed $\Xi(1620)^0$ by the Belle Collaboration inspires our interest in performing a systematic study on the interaction of an anti-strange meson $(\bar{K}^{(*)})$ with a strange or doubly strange ground octet baryon…

High Energy Physics - Phenomenology · Physics 2019-10-14 Kan Chen , Rui Chen , Zhi-Feng Sun , Xiang Liu

The production of the $f_1(1285)$ resonance in the reaction of $K^- p \to f_1(1285) \Lambda$ is studied within an effective Lagrangian approach. The production process is described by the $t$ channel $K^{*+}$ meson exchange. My theoretical…

Nuclear Theory · Physics 2016-01-05 Ju-Jun Xie

Role of the $\Lambda(1600)$ is studied in the $K^- p \to \Lambda \pi^0 \pi^0$ reaction by using the effective Lagrangian approach near the threshold. We perform a calculation for the total and differential cross sections by considering the…

High Energy Physics - Phenomenology · Physics 2020-04-09 He Zhou , Ju-Jun Xie

In this work, the production of the hidden-strange pentaquarklike state $N^{*}(2080)$ via the $\pi^{-} p$ scattering process is studied by the effective Lagrangian approach. Concretely, we consider the $\rho$ meson exchange of $t$-channel…

High Energy Physics - Phenomenology · Physics 2024-07-23 Xiao-Yun Wang , Hui-Fang Zhou , Xiang Liu

In this work, we study the strong decays of the newly observed $\Xi(1620)^0$ assuming that it is a meson-baryon molecular state of $\Lambda\bar{K}$ and $\Sigma\bar{K}$. We consider four possible spin-parity assignments $J^P=1/2^{\pm}$ and…

High Energy Physics - Phenomenology · Physics 2020-06-12 Yin Huang , Lisheng Geng

We investigate the $\Lambda(1520)$ photoproduction in the $\vec{\gamma} p \to K^+ \Lambda(1520)$ reaction within the effective Lagrangian method near threshold. In addition to the "background" contributions from the contact, $t-$channel $K$…

Nuclear Theory · Physics 2015-05-28 Ju-Jun Xie , J. Nieves

A gauge-invariant model is constructed for the $\gamma p \to K^+\Lambda(1690)$ reaction within a tree-level effective Lagrangian approach with the purpose to understand the underlying production mechanisms and to study the resonance…

High Energy Physics - Phenomenology · Physics 2022-04-08 Neng-Chang Wei , Ai-Chao Wang , Fei Huang