Squeezed fermions at relativistic heavy ion colliders

P. K. Panda, T. Csörgo, Y. Hama, G. Krein, Sandra S. Padula

Research output: Article

18 Citations (Scopus)


Large back-to-back correlations of observable fermion-anti-fermion pairs are predicted to appear, if the mass of the fermions is modified in a thermalized medium. The back-to-back correlations of protons and anti-protons are experimentally observable in ultra-relativistic heavy ion collisions, similarly to the Andreev reflection of electrons off the boundary of a superconductor. While quantum statistics suppresses the probability of observing pairs of fermions with nearby momenta, the fermionic back-to-back correlations are positive and of similar strength to bosonic back-to-back correlations.

Original languageEnglish
Pages (from-to)49-56
Number of pages8
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number1-2
Publication statusPublished - júl. 12 2001

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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