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Related papers: Formation of \eta -Mesic Nuclei

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In this report the search for eta-mesic nuclei is reviewed. The brief description of the experimental studies is presented with a focus on the possible production of the eta-nucleus bound states for light nuclei like 4He and 3He.

Nuclear Experiment · Physics 2016-08-03 Pawel Moskal , Magdalena Skurzok , Wojciech Krzemien

We have investigated the 6Li(gamma, d) reaction theoretically for the formation of the eta'(958) mesic nucleus. We have reported the numerical results in this article.

Nuclear Theory · Physics 2019-05-22 Moeki Miyatani , Natsumi Ikeno , Hideko Nagahiro , Satoru Hirenzaki

Formation of eta-mesic nucleus, a bound state of an eta meson in a nucleus, is reviewed in this paper. Three different theoretical approaches are used to calculate the binding energies and widths of such nuclei. The effect of eta-mesic…

Nuclear Theory · Physics 2009-06-12 Q. Haider , L. C. Liu

Eta-mesic nucleus or the quasibound nuclear state of an eta ($\eta$) meson in a nucleus is caused by strong-interaction force alone. This new type of nuclear species, which extends the landscape of nuclear physics, has been extensively…

Nuclear Theory · Physics 2015-11-20 Q. Haider , L. C. Liu

We calculate theoretically the formation spectra of eta'(958)-nucleus systems in the (p,d) reaction for the investigation of the in-medium modification of the eta' mass. We show the comprehensive numerical calculations based on a simple…

Nuclear Theory · Physics 2013-04-10 H. Nagahiro , D. Jido , H. Fujioka , K. Itahashi , S. Hirenzaki

Back in the mid eighties, a new branch of investigation which was related to the interaction of eta mesons with nuclei came into existence. It started with the theoretical prediction of possible exotic states of eta mesons and nuclei bound…

Nuclear Theory · Physics 2013-08-19 N. G. Kelkar , K. P. Khemchandani , N. J. Upadhyay , B. K. Jain

The $\eta$ mesic nucleus is considered to be one of the interesting exotic many body systems and has been studied since 1980's theoretically and experimentally. Recently, the formation of the $\eta$ mesic nucleus in the fusion reactions of…

Nuclear Theory · Physics 2017-10-25 N. Ikeno , H. Nagahiro , D. Jido , S. Hirenzaki

We briefly review the study of the exotic atoms and exotic nuclei, and report recent research activities of eta-mesic nucleus and kaonic atoms in this article.

Nuclear Theory · Physics 2015-06-23 S. Hirenzaki , H. Nagahiro , N. Ikeno , J. Yamagata-Sekihara

In this paper the search for eta-mesic nuclei with particular focus on light $\eta$-He bound states is reviewed. A brief description of recent theoretical studies and experimental results is presented.

Nuclear Experiment · Physics 2021-02-03 Magdalena Skurzok

We report on the status of the search for eta-mesic nuclei and the studies of the interaction of the eta meson with nucleons. Recently we have completed the analysis of the new WASA-at-COSY data on the production of the eta meson with…

We discuss the possibility to produce the bound states of the $\eta'(958)$ meson in nuclei theoretically. We calculate the formation cross sections of the $\eta'$ bound states with the Green function method for ($\gamma$,p) reaction and…

High Energy Physics - Phenomenology · Physics 2009-11-10 Hideko Nagahiro , Satoru Hirenzaki

We have investigated the 6Li(gamma,d) reaction theoretically for the formation of the eta'(958) mesic nucleus close to the recoilless kinematics. We have developed the theoretical formula and reported the quantitative results of the…

Nuclear Theory · Physics 2016-07-26 M. Miyatani , N. Ikeno , H. Nagahiro , S. Hirenzaki

Recent results from the LPI experiment on searching for eta-mesic nuclei in photoreactions are discussed and further perspectives are summarized.

Nuclear Experiment · Physics 2017-08-23 G. A. Sokol , A. I. L'vov , L. N. Pavlyuchenko

We study $\phi$-meson production in nuclei to investigate the in-medium modification of the $\phi$-meson spectral function at finite density. We consider (${\bar p},\phi$), ($\gamma,p$) and ($\pi^-,n$) reactions to produce a $\phi$-meson…

Nuclear Theory · Physics 2015-05-13 J. Yamagata-Sekihara , S. Hirenzaki , D. Cabrera , M. J. Vicente Vacas

We propose to use the recoilless (d,$^3$He) reaction to produce $\eta$-mesic nuclei. This reaction has been used to observe deeply bound pionic states and proven to be powerful recently. We calculate $\eta$-mesic bound states in the nucleus…

Nuclear Theory · Physics 2011-10-11 R. S. Hayano , S. Hirenzaki , A. Gillitzer

Using the quark-meson coupling (QMC) model, we investigate theoretically whether $\eta$ and $\omega$ mesons form meson-nucleus bound states. We study several nuclei from $^{6}$He to $^{208}$Pb, including those which are the final nuclei in…

Nuclear Theory · Physics 2007-05-23 K. Tsushima

Short history of ideas concerning a possible existence of bound states of the $\eta$-meson and a nucleus is considered. First experiments at BNL and LAMPF on searching for these states are discussed. Another recent experiment using the…

Nuclear Experiment · Physics 2007-05-23 G. A. Sokol

We present a theoretical study on formation rates of \eta and \omega meson-nucleus systems induced by (\gamma,p) reactions on nuclear targets at ideal recoilless condition. We find that the smaller distortion effect in the (\gamma,p)…

Nuclear Theory · Physics 2009-11-11 H. Nagahiro , D. Jido , S. Hirenzaki

This is the summary of the 'International Workshop on eta--Nucleus Physics' held in Juelich, May 8--12, 2006. Each talk is represented by an extended abstract. At the same time the document provides a progress report of the corresponding…

We present updated and extended results for the $\eta$- and $\eta'$-nucleus bound state energies, obtained by solving the Schr\"{o}dinger and Klein-Gordon equations with complex optical potentials, for a wide range of nuclei. The $\eta$ and…

Nuclear Theory · Physics 2024-02-26 J. J Cobos-Martinez , Kazuo Tsushima
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