X rays test the Pauli exclusion principle

Abstract

Since the publication of the models describing a small violation of the Pauli exclusion principle (PEP) there has been an explosion of word-wide interest in PEP tests and related theories. PEP forbids an atom to have more than 2 electrons in the K-shell. If PEP is slightly violated, a third electron can occasionally join in. This would result in an anomalous X-ray emission. A high-sensitivity experiment places an upper limit of the order of 10^{-26} on the PEP violating parameter. I will outline the main theoretical and experimental ideas in this new exciting area.

12 pages, RevTeX4, Invited talk at the 20th International Conference on X-ray and Inner-shell Processes (Melbourne, Australia, 4-8 July, 2005)

References in corpus (1)

• Neutrino statistics and big bang nucleosynthesis

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