Experimental investigation of exotic clustering in ¹³B and ¹⁴C using the resonance scattering method

In order to investigate the existence of molecular and/or exotic cluster configurations in Boron and Carbon n-rich isotopes we undertook two experiments: the first experimental study of exotic ⁹Li+α cluster states in ¹³B using the resonance scattering method at TRIUMF (Canada), and, with the same technique, the measurement of ¹⁰Be+α scattering at LNS in Catania, where a ¹⁰Be radioactive beam was produced for the first time. In order to measure the excitation function in a wide energy range, the beams were stopped in a Helium-flooded chamber. In the case of ¹³B, the elastic excitation function shows the presence of various peaks in an excitation energy region never explored before. In the case of ¹⁴C, our exclusive measurement of elastic scattering data with a high intensity beam, sheds some light on the contradictory previously published results [1, 2].