Limits on Pauli principle violation by nucleons

We consider nuclei produced in core collapse supernovas and subjected to a high neutron flux. We show that an accelerator mass spectrometry experiment that searches for traces of anomalous iron isotopes could set limits of the order of 10-20-10-25 on (or perhaps discover) Pauli principle violation by neutrons. A similar search for anomalous Co isotopes could set limits in the range 10-13-10-18 on Pauli principle violation by protons. We show that existing data on oxygen can be used to set a limit of about 10-17 in one proposed model of such violation. copyright 1999 The American Physical Society