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Related papers: Experimental evidence for an attractive p-$\phi$ i…

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The strong attractive interaction of the $\phi$ meson and the proton is reported by ALICE collaboration recently. The corresponding scattering length $f_0$ is given as $Re(f_0)=0.85\pm0.34(stat)\pm0.14(syst)$fm and…

High Energy Physics - Phenomenology · Physics 2023-05-24 Bao-Xi Sun , Ying-Ying Fan , Qin-Qin Cao

The attractive interaction of the $\phi$ meson and the proton is reported by the ALICE Collaboration, and the corresponding scattering length $f_0$ is given as $Re(f_0)=0.85\pm0.34(stat)\pm0.14(syst)$ fm and…

High Energy Physics - Phenomenology · Physics 2025-10-31 Bao-Xi Sun , Ying-Ying Fan , Qin-Qin Cao

First results on the interaction between the $\phi$-meson and the nucleon ($N$) are presented based on the ($2+1$)-flavor lattice QCD simulations with nearly physical quark masses. Using the HAL QCD method, the spacetime correlation of the…

High Energy Physics - Lattice · Physics 2022-12-21 Yan Lyu , Takumi Doi , Tetsuo Hatsuda , Yoichi Ikeda , Jie Meng , Kenji Sasaki , Takuya Sugiura

This work presents the first experimental observation of the attractive strong interaction between a proton and a multi-strange baryon (hyperon) $\Xi^-$. The result is extracted from two-particle correlations of combined…

Nuclear Experiment · Physics 2019-10-25 ALICE Collaboration

In this work, we systematically study the $\phi$ meson and nucleus interaction by analyzing and fitting the cross sections of $\gamma N$$\rightarrow \phi$$N$ ($N$ represent the nucleus) reactions near the threshold. With the help of vector…

Nuclear Theory · Physics 2023-01-26 Xiao-Yun Wang , Chen Dong , Quanjin Wang

The existence of a nucleon-$\phi$ (N-$\phi$) bound state has been subject of theoretical and experimental investigations for decades. In this letter, indication of a \pphi bound state is found, using for the first time two-particle…

Nuclear Experiment · Physics 2023-12-05 Emma Chizzali , Yuki Kamiya , Raffaele Del Grande , Takumi Doi , Laura Fabbietti , Tetsuo Hatsuda , Yan Lyu

This work provides the first combined analysis of low-energy p$\Lambda$ scattering, considering both cross section and correlation data. The obtained results establish the most stringent constraints to date on the two-body p$\Lambda$…

Nuclear Theory · Physics 2024-11-01 D. L. Mihaylov , J. Haidenbauer , V. Mantovani Sarti

This article presents the first measurement of the interaction between charm hadrons and nucleons. The two-particle momentum correlations of $\mathrm{pD^-}$ and $\mathrm{\overline{p}D}^+$ pairs are measured by the ALICE Collaboration in…

Nuclear Experiment · Physics 2022-12-02 ALICE Collaboration

The production of $\phi$-mesons in proton-proton collisions is investigated within a relativistic meson-exchange model of hadronic interactions. The experimental prerequisites for extracting the $NN\phi$ coupling strength from this reaction…

Nuclear Theory · Physics 2009-10-31 K. Nakayama , J. W. Durso , J. Haidenbauer , C. Hanhart , J. Speth

The $\phi$-meson properties in cold nuclear matter are investigated by implementing resonant $\phi N$ interactions as described in effective approaches including the unitarization of scattering amplitudes. Several $N^*$-like states are…

Nuclear Theory · Physics 2017-01-18 D. Cabrera , A. N. Hiller Blin , M. J. Vicente Vacas

Of all nuclear physics experiments none are more fundamental than ``elastic'' $p,p$ and, secondarily, $p,d$ or $d,d$ scattering. Recognizing that these particles are themselves composite, ``elastic'' scattering may be accompanied by…

Accelerator Physics · Physics 2023-02-08 Richard M Talman

An effective nucleon-nucleon interaction calculated in nuclear matter from the Bonn potential has been parametrized in terms of a local density- and energy-dependent two-body interaction. This allows to calculate the real part of the…

Nuclear Theory · Physics 2009-10-30 G. Bartnitzky , H. Clement , P. Czerski , H. Müther , F. Nuoffer , J. Siegler

We investigate low-energy $N\phi$ scattering driven by a pole-enhanced triangle-like diagram, in which the two-Kaon-exchange contribution is promoted by the near-threshold $\Lambda(1405)$ pole in the $N\bar K$ subsystem. Using an unphysical…

High Energy Physics - Phenomenology · Physics 2026-03-09 Mao-Jun Yan , Chun-Sheng An , Cheng-Rong Deng

Recent data on photoproduction of $\eta'$ mesons off protons have been included in the data base for the Bonn-Gatchina partial wave analysis. The real and imaginary parts of the $S$-wave $\eta^\prime p\to \eta^\prime p$ scattering amplitude…

Nuclear Experiment · Physics 2018-11-14 A. V. Anisovich , V. Burkert , M. Dugger , E. Klempt , V. A. Nikonov , B. G. Ritchie , A. V. Sarantsev , U. Thoma

Photoproduction of the $\omega$ meson on the proton has been experimentally studied near the threshold. The total cross sections are determined at incident energies ranging from 1.09 to 1.15 GeV. The 1/2 and 3/2 spin-averaged scattering…

We reinvestigate the experimental data on $\omega$--meson production in pion-nucleon collisions based on both an analytical approach and a Monte Carlo simulation. Our analysis allows us to study the kinematical peculiarities of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. Hanhart , A. Sibirtsev , J. Speth

We provide a first systematic and quantitative discussion of the phenomenology of the non-relativistic effective Hamiltonian describing the nuclear scattering process for a Weakly Interacting Massive Particle (WIMP) of arbitrary spin…

High Energy Physics - Phenomenology · Physics 2021-09-22 Paolo Gondolo , Injun Jeong , Sunghyun Kang , Stefano Scopel , Gaurav Tomar

The reaction $pp \to pp \phi$ is investigated within a relativistic meson-exchange model of hadronic interactions. The possibility of extracting the $NN\phi$ coupling constant from a study of this process is explored. A combined analysis of…

Nuclear Theory · Physics 2007-05-23 J. Haidenbauer , K. Nakayama , J. W. Durso , C. Hanhart , J. Speth

Direct measurements of the $\rho^0$p interaction have remained so far elusive, with most insights derived indirectly from photoproduction or low-energy partial wave analyses. This letter presents the first direct observation of the…

Nuclear Experiment · Physics 2025-08-14 ALICE Collaboration

We describe a novel technique for comparing total cross sections for the reactions pp --> pp pi(0), pp --> pp eta, and pp --> pp eta' close to threshold. The initial and final state proton-proton interactions are factored out of the total…

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