Search results for "Exotic"
showing 4 items of 134 documents
PRESENZA IN SICILIA DI GLYCASPIS BRIMBLECOMBEI MOORE (Hemiptera Psyllidae) SU EUCALYPTUS CAMALDULENSIS DEHNH..
2011
On the presence in Sicily of Glycaspis brimblecombei Moore (Hemiptera Psyllidae) on Eucalyptus camaldulensis Dehnh. Authors record the occurrence in Sicily of the red gum lerp psyllid, Glycaspis brimblecombei Moore (Hemiptera Psyllidae) attacking Eucalyptus camaldulensis Dehnh. (Myrtaceae). This species, native to Australia, has been first reported for the Palaearctic Region in 2008, when it has been recorded from the Iberian Peninsula. In 2010 it has been found also in Italy. It seems very difficult to control this insect without the diffusion of its specific antagonist Psyllaephagus bliteus Riek (Hymenoptera Encyrtidae), which resulted very effective in its biological control in North Ame…
Spectroscopy of short-lived radioactive molecules
2020
Molecular spectroscopy offers opportunities for the exploration of the fundamental laws of nature and the search for new particle physics beyond the standard model1–4. Radioactive molecules—in which one or more of the atoms possesses a radioactive nucleus—can contain heavy and deformed nuclei, offering high sensitivity for investigating parity- and time-reversal-violation effects5,6. Radium monofluoride, RaF, is of particular interest because it is predicted to have an electronic structure appropriate for laser cooling6, thus paving the way for its use in high-precision spectroscopic studies. Furthermore, the effects of symmetry-violating nuclear moments are strongly enhanced5,7–9 in molecu…
Few-body insights of multiquark exotic hadrons
2018
In this contribution we discuss the adequate treatment of the $4-$ and $5-$body dynamics within a constituent quark framework. We stress that the variational and Born-Oppenheimer approximations give energies rather close to the exact ones, while the diquark approximation might be rather misleading. Hall-Post inequalities provide very useful lower bounds that exclude possible stable states for some mass ratios and color wave functions.
The science case of the FRS Ion Catcher for FAIR Phase-0
2019
The FRS Ion Catcher at GSI enables precision experiments with thermalized projectile and fission fragments. At the same time it serves as a test facility for the Low-Energy Branch of the Super-FRS at FAIR. The FRS Ion Catcher has been commissioned and its performance has been characterized in five experiments with 238U and 124Xe projectile and fission fragments produced at energies in the range from 300 to 1000 MeV/u. High and almost element-independent efficiencies for the thermalization of short-lived nuclides produced at relativistic energies have been obtained. High-accuracy mass measurements of more than 30 projectile and fission fragments have been performed with a multiple-reflection…