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The nature of the Lambda(1405) is discussed based on the unitarised coupled-channels approach with chiral dynamics (chiral unitary model). This approach describes the Kbar N scattering cross sections and the Lambda(1405) spectra…

Nuclear Theory · Physics 2010-03-26 D. Jido , T. Sekihara , Y. Ikeda , T. Hyodo , Y. Kanada-En'yo , E. Oset

The theoretical analysis of $\bar{p}-\Lambda \oplus p-\bar{\Lambda}$ correlation function in 10% most central Au+Au collisions at RHIC energy $\sqrt{s_{NN}}=200$ GeV shows that the contribution of residual correlations is the necessary…

High Energy Physics - Phenomenology · Physics 2015-10-28 V. M. Shapoval , Yu. M. Sinyukov , V. Yu. Naboka

We study Lambda_c/Lambda}_c-bar production asymmetries in pp and pi- p collisions using a recently proposed two component model. The model includes heavy baryon production by the usual mechanism of parton fusion and fragmentation plus…

High Energy Physics - Phenomenology · Physics 2011-09-13 G. Herrera , J. Magnin

A coupled-channel model with $\pi N$, $\rho N$ and $J/\Psi N$ channels is developed to predict the $\pi + N \rightarrow J/\Psi + N $ cross sections. The $J/\Psi$-$N$ interaction is parameterized in a form related to what has been predicted…

Nuclear Theory · Physics 2013-08-09 Jia-Jun Wu , T. -S. H. Lee

The source radii, previously extracted by STAR Collaboration from the $p-\Lambda \oplus \bar{p}-\bar{\Lambda}$ and $\bar{p}-\Lambda \oplus p-\bar{\Lambda}$ correlation functions measured in 10% most central Au+Au collisions at top RHIC…

Nuclear Theory · Physics 2015-09-23 V. M. Shapoval , B. Erazmus , R. Lednicky , Yu. M. Sinyukov

One of the most remarkable observations in heavy-ion collisions is the systematic regularity exhibited by pseudorapidity distributions of charged particles across collision energies. While single-source models fail at higher energies and…

High Energy Physics - Phenomenology · Physics 2025-12-02 Neeraj , Md. Kaosar Ali Mondal , Amal Sarkar

We propose the study of the inclusive production of two $\Lambda$ hyperons or a single $\Lambda$-particle in association with a jet, featuring high transverse momenta and large separation in rapidity, as a probe channel of the resummation…

High Energy Physics - Phenomenology · Physics 2020-12-30 Francesco Giovanni Celiberto , Dmitry Yu. Ivanov , Alessandro Papa

Within the framework of the one-boson-exchange model, we systematically perform a coupled channel analysis of the $P-$wave interactions between a charm baryon and light baryon, the involved channels include $\Xi_cN$, $\Lambda_c\Sigma$,…

High Energy Physics - Phenomenology · Physics 2025-07-18 Yu-Yue Cui , Xiao-Mei Tang , Qi Huang , Rui Chen

Scattering experiments with three free nucleons in the ingoing channel are extremely challenging in terrestrial laboratories. Recently, the ALICE Collaboration has successfully measured the scattering of three protons indirectly, by using…

Nuclear Theory · Physics 2025-07-04 A. Kievsky , E. Garrido , M. Viviani , L. E. Marcucci , L. Serksnyte , R. Del Grande

We present results of femtoscopic analysis with K0s-K0s, Kch-Kch, p-p, pbar-pbar, p-pbar and lambda-antilambda in Pb-Pb collisions at sqrt{s_NN}=2.76 TeV and K0s-K0s in pp collisions at sqrt{s}=7 TeV registered by ALICE at the LHC. The…

Nuclear Experiment · Physics 2019-08-13 Maciej Paweł Szymański

We investigate $DD^*$ and $D\bar{D}^*$ momentum correlations in high-energy collisions to elucidate the nature of $T_{cc}$ and $X(3872)$ exotic hadrons. Single range Gaussian potentials with the channel couplings to the isospin partners are…

High Energy Physics - Phenomenology · Physics 2022-08-10 Yuki Kamiya , Tetsuo Hyodo , Akira Ohnishi

In the last decades, femtoscopic measurements from heavy-ion collisions have become a popular tool to investigate the strong interactions between hadrons. The key observables measured in such experiments are the two-hadron momentum…

Nuclear Theory · Physics 2026-05-12 Evgeny Epelbaum , Sven Heihoff , Ulf-G. Meißner , Alexander Tscherwon

We present a coupled channels separable potential approach to $\eta N$ and $\eta'N$ interactions using a chiral-symmetric interaction kernel. The s-wave $\pi N$ amplitudes and $\pi^{-}p$ induced total cross sections are reproduced…

Nuclear Theory · Physics 2020-01-24 Ales Cieply , Peter C. Bruns

Results for the reaction gamma p --> K+ Lambda, studied within a constituent quark model and a dynamical coupled-channel approach, are presented and compared with recent data. Issues related to the search for missing baryon resonances are…

Nuclear Theory · Physics 2016-08-16 B. Juliá-Díaz , B. Saghai , F. Tabakin , W. -T. Chiang , T. -S. H. Lee , Z. Li

We use a unitary coupled-channel model to study the $\bar{D} \Lambda_c - \bar{D} \Sigma_c$ interactions. In our calculation, SU(3) flavor symmetry is applied to determine the coupling constants. Several resonant and bound states with…

High Energy Physics - Phenomenology · Physics 2018-02-02 Chao-Wei Shen , Deborah Rönchen , Ulf-G. Meißner , Bing-Song Zou

We study charmed baryon resonances which are generated dynamically within a unitary meson-baryon coupled channel model that treats the heavy pseudoscalar and vector mesons on equal footing as required by heavy-quark symmetry. It is an…

High Energy Physics - Phenomenology · Physics 2009-10-15 C. Garcia-Recio , V. K. Magas , T. Mizutani , J. Nieves , A. Ramos , L. L. Salcedo , L. Tolos

The hyperon-hyperon and hyperon-nucleon interactions are important in search for exotic hadrons such dibaryon as a bound state of two baryons. $\Lambda$-$\Lambda$ correlation has been measured in Au+Au collisions at $\sqrt{s_{\rm{NN}}}$ =…

Nuclear Experiment · Physics 2022-02-16 Moe Isshiki

S-wave $K^-p$ scattering into various channels near threshold are analyzed in heavy-baryon chiral perturbation theory with $\Lambda (1405)$ introduced as an independent field. This is the approach that predicted the critical density…

High Energy Physics - Phenomenology · Physics 2015-06-25 Chang-Hwan Lee , Dong-Pil Min , Mannque Rho

Recently, the LHCb Collaboration reported pronounced structures in the invariant mass spectrum of $J/\psi$-pairs produced in proton-proton collisions at the Large Hadron Collider. In this Letter, we argue that the data can be very well…

High Energy Physics - Phenomenology · Physics 2021-08-17 Xiang-Kun Dong , Vadim Baru , Feng-Kun Guo , Christoph Hanhart , Alexey Nefediev

We use an existing model of the $\Lambda\Lambda N - \Xi NN$ three-body system based in two-body separable interactions to study the $(I,J^P)=(1/2,1/2^+)$ three-body channel. For the $\Lambda\Lambda$, $\Xi N$, and $\Lambda\Lambda - \Xi N$…

Nuclear Theory · Physics 2020-08-07 H. Garcilazo , A. Valcarce
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