Experimental studies of the Pauli Exclusion Principle violation by electrons--- The VIP2 experiment.
Sperandio L. per la Collaborazione VIP
Although the Pauli Exclusion Principle (PEP) represents a fundamental principle of modern physics, it is extremely important to test the possible limits of its validity. We present a method of searching for small violation of PEP by electrons through the search of PEP-forbidden X-ray transitions in copper atoms, realized by "fresh" electrons introduced in a copper target by circulating a current. We present and discuss the final results obtained by VIP, and the first results obtained with the VIP2 experiment, a major upgrade of VIP, running at the underground LNGS laboratory of INFN.