Correlated Λd pairs from the K-stop A →ΛdA’ reaction

Correlated Λd pairs emitted after the absorption of negative kaons at rest K − stopA→ΛdA in light nuclei 6Li and 12C are studied. Λ-hyperons and deuterons are found to be preferentially emitted in opposite directions. The Λd invariant mass spectrum of 6Li shows a bump whose mass is 3251 ±6 MeV/c2. The bump mass (binding energy), width and yield are reported. The appearance of a bump is discussed in the realm of the [ ¯K3N] clustering process in nuclei. The experiment was performed with the FINUDA spectrometer at DANE (LNF

Measuring the fall of antihydrogen: the AegIS experiment at CERN

Measuring the fall of antihydrogen: the AegIS experiment at CER

Study of anti-p p ->2pi+2pi- annihilation from S states

The results of the spin-parity analysis of pbar-p -->2pi+2pi-annihilations at very low momentum p (= 50 MeV/c) are reported. (continue

Study on anti neutron proton annihilaton into two mesons in the momentum range between 50 to 400 MeV/c with OBELIX

We measured the in flight annihilation frequencies and cross sections of reactions nbar p --> pi+ pi0, pi+ eta, K+ KS, in the antineutron momentum range between 50 and 400 MeV/c. The annihilation frequencies of these channels from the different allowed initial states were calculated and some information about the nbar-p annihilation dynamics were obtained. The first determination of the D-wave contribution in this momentum range was also obtained