[en] The absorptive kaon photoproduction model of Tanabe, Kohno, and Bennhold is examined. It is found that this model predicts the wrong sign for the target polarization observable. It is further found that this problem can be remedied within the model's original form. The model is therefore quite flexible. Comparisons are made with recent calculations

[en] We consider the decay characteristics of the D^0,+-mesons into semi-leptonic channels using the methods of Lepage and Brodsky for high-energy processes in QCD. We find that the recent data from the Mark III Collaboration on F_K⁺/F_π⁺ and F_KS-KL/F_K⁺ are consistent with the ratio of absolute rates Γ(D⁺→anti e+ν_e+X)Γ(D⁰→anti e+ν_e+X)≅1.5. Here F_A is the electromagnetic form factor of A, A=K_S^-K_L^, K⁺, π⁺. It follows that the recent Mark III result BR(D⁺→anti e+ν_e+X)/BR(D⁰→anti e+ν_e+X)≅2.27 is consistent with the ratio of lifetimes τ_D⁺/τ_D⁰≅1.51. In order to provide a check of our methods, we note that the methods predict the ratio of the longitudinal alignment to the transverse alignment for the produced K^*'s in the process D→anti e+ν_e+K^* to be ≅1/1.46 and 1/1.28 for D⁺ and D⁰ respectively. We encourage experimentalists to look for such polarization characteristics. A more stringent check on our work would be a precise set of data on the kaon energy distributions in D⁰→anti l+ν_e+K^- and in D⁺→anti l+ν_l+anti K⁰, l=e, μ. The comparison between the theory and the limited observations which now exist is not obviously an unacceptable one

[en] This paper presents a brief review of the status of K-meson interactions with nuclei. Emphasis is placed on 1s shell nuclei with representative examples drawn from experiments on heavier nuclear systems. Directions for future developments are discussed

[en] The DAΦNE electron-positron collider at the Laboratori Nazionali di Frascati of INFN has made available a unique-quality low-energy negative-kaons 'beam'. The SIDDHARTA experiment used this beam to perform unprecedented precision measurements on kaonic atoms, while the AMADEUS experiment plans to perform in the coming years precision measurements on kaon-nuclei interactions at low-energies, in particular to study the kaonic nuclei. The two experiments are briefly presented in this paper.

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[en] The types of nuclear and elementary particle questions which can be addressed by studying kaon-induced reactions in nuclei are reviewed. (auth)

[en] In the light of the interest raised by the strangeness content of the proton, some questions posed by the theoretical description of kaon photo- and electro-production and by the available data are addressed. (authors)

[en] The AMADEUS experiment aims to perform dedicated precision studies in the sector of low-energy kaon-nuclei interaction at the DAΦNE collider at LNF-INFN. In particular the experiment plans to perform measurements of the so-called deeply bound kaonic nuclei (by stopping kaons in cryogenic gaseous targets ³He and ⁴He) and to study the low-energy interaction of negative kaons in various targets. The AMADEUS dedicated setup will be installed inside the KLOE drift chamber.

[en] Forward dispersion relations are applied for K--¹²C scattering at 1.68, 2.01 and 2.26 GeV/c