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We critically discuss the theoretical developments that led to predictions of very deeply bound kaon states and then revise the data of the KEK experiment from where claims for evidence of deeply bound kaon atoms in nuclei were made. We…

Nuclear Theory · Physics 2007-05-23 E. Oset , H. Toki

We critically revise the recent claims of narrow deeply bound kaonic states and show that at present there is no convincing experimental evidence for their existence. In particular, we discuss in details the claim of K- pp deeply bound…

Nuclear Theory · Physics 2007-05-23 V. K. Magas , E. Oset , A. Ramos , H. Toki

We make a thorough study of the process of three body kaon absorption in nuclei, in connection with a recent FINUDA experiment which claims the existence of a deeply bound kaonic state from the observation of a peak in the Lambda d…

Nuclear Theory · Physics 2008-11-26 V. K. Magas , E. Oset , A. Ramos

We present an overview of the latest theoretical studies on the antikaon properties in the nuclear medium, in connection with the recent experimental claims of very deeply bound antikaon-nuclear states. We argue that proper many-body…

Nuclear Theory · Physics 2007-05-23 A. Ramos , V. K. Magas , E. Oset , H. Toki

We review recent claims of the existence of deeply bound kaonic states in nuclei. Also we study in details the (K-,p) reaction on C12 with 1 GeV/c momentum kaon beam, based on which a deep kaon nucleus optical potential was claimed in [1].…

Nuclear Theory · Physics 2011-01-24 V. K. Magas , J. Yamagata-Sekihara , S. Hirenzaki , E. Oset , A. Ramos

In this talk I make a review on the theoretical and experimental situation around the deeply bound kaon clusters, the possible bound kaonic states of nuclear, rather than atomic nature. At the same time I discuss novel developments around…

We make a critical analysis on the theoretical calculations that lead to predictions of deeply bound kaonic states in nuclei. The model set-up, after dropping several important processes and channels, leads unavoidably to an unrealistic…

Nuclear Theory · Physics 2009-11-11 E. Oset , H. Toki

It will be shown that the peaks in the (Lambda p) and (Lambda d) invariant mass distributions, observed in recent FINUDA experiments and claimed to be signals of deeply bound kaonic states, are naturally explained in terms of K- absorption…

Nuclear Theory · Physics 2010-11-02 V. K. Magas , E. Oset , A. Ramos

We analyze the peaks in the (Lambda p) and (Lambda d) invariant mass distributions, observed in recent FINUDA experiments and claimed to be signals of deeply bound kaonic states, and find them to be naturally explained in terms of K-…

Nuclear Theory · Physics 2010-05-13 V. K. Magas , E. Oset , A. Ramos

We briefly review the situation around the claimed deeply bound K^- states in different recent experiments and concentrate particularly on the state K^- pp advocated by the FINUDA collaboration in nuclear K^- absorption. We perform a…

Nuclear Theory · Physics 2009-11-11 V. K. Magas , E. Oset , A. Ramos , H. Toki

The study of deeply bound kaon states is usually carried out or proposed using $K^-$ or $\pi^+$ beams with fixed nuclear target or proton proton interactions or, more recently, heavy ion collisions. The extension of the measurements to…

Nuclear Experiment · Physics 2012-12-11 S. Marcello , F. De Mori , A. Filippi

This presentation reviews recent developments in the understanding of low-energy pion- and kaon-nucleon interactions as they relate to deeply bound pionic atoms and possible antikaon-nuclear bound states. A brief update is given on 1s…

Nuclear Theory · Physics 2007-05-23 Wolfram Weise

This article presents a review of recent results and an outlook of kaon physics. After enjoying a renaissance, the discipline is now becoming and endangered species. Action will be needed to keep kaon physics at the heart of future FPCP…

High Energy Physics - Experiment · Physics 2007-05-23 Augusto Ceccucci

Quantum mechanics can also be tested in high energy physics; in particular, the neutral kaon system is very well suited. We show that these massive particles can be considered as qubits --kaonic qubits-- in the very same way as spin-1/2…

Quantum Physics · Physics 2007-05-23 Reinhold A. Bertlmann , Beatrix C. Hiesmayr

Recent progress and open problems in kaonic atom physics are presented. A connection between phenomenological deep potentials and the underlying $K^-N$ interaction is established as well as the need for a theory for multinucleon absorption…

Nuclear Theory · Physics 2012-05-11 E. Friedman

New results from the K2K (KEK to Kamioka) long-baseline neutrino-oscillation experiment is presented.

High Energy Physics - Experiment · Physics 2007-05-23 Yuichi Oyama

Effective nuclear densities probed by kaon- and anti-kaon-nucleus systems are studied theoretically both for bound and low energy scattering states. As for the anti-kaon bound states, we investigate kaonic atoms. We find that the effective…

Nuclear Theory · Physics 2015-06-12 J. Yamagata-Sekihara , N. Ikeno , H. Nagahiro , D. Jido , S. Hirenzaki

Recent results on rare kaon and pion decays are reviewed and prospects for future experiments are discussed

High Energy Physics - Experiment · Physics 2009-09-29 Laurence Littenberg

We study theoretically the (K^-,N) reactions for the formation of the deeply bound kaonic atoms, which were predicted to be quasi--stable with narrow widths, using the Green function method. We consider various cases with different target…

Nuclear Theory · Physics 2008-11-26 J. Yamagata , H. Nagahiro , R. Kimura , S. Hirenzaki

Experimental and theoretical developments of the last decade in the study of exotic atoms and some related low-energy reactions are reviewed, in order to provide information on the in-medium hadron-nucleon t matrix over a wide range of…

Nuclear Theory · Physics 2008-11-26 E. Friedman , A. Gal
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