Searching for squeezed particle-antiparticle correlations in high-energy heavy-ion collisions

Squeezed correlations of particle-antiparticle pairs were predicted to exist if the hadron masses were modified in the hot and dense medium formed in high-energy heavy-ion collisions. Although well-established theoretically, they have not yet been observed experimentally. We suggest here a clear met...

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Bibliographic Details
Published in:Physical review. C, Nuclear physics Nuclear physics, 2010-09, Vol.82 (3), Article 034908
Main Authors: Padula, Sandra S., Socolowski, O.
Format: Article
Language:English
Subjects:
ACCELERATORS
ANTIMATTER
ANTIPARTICLES
BROOKHAVEN RHIC
CORRELATION FUNCTIONS
CORRELATIONS
ELEMENTARY PARTICLES
FUNCTIONS
HADRONS
HEAVY ION ACCELERATORS
HEAVY ION REACTIONS
INTERACTIONS
MASS
MATTER
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEAR REACTIONS
PAIRING INTERACTIONS
SIMULATION
STORAGE RINGS
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Summary:Squeezed correlations of particle-antiparticle pairs were predicted to exist if the hadron masses were modified in the hot and dense medium formed in high-energy heavy-ion collisions. Although well-established theoretically, they have not yet been observed experimentally. We suggest here a clear method to search for such a signal by analyzing the squeezed correlation functions in terms of measurable quantities. We illustrate this suggestion for simulated {phi}{phi} pairs at the Relativistic Heavy Ion Collider (RHIC) energies.
ISSN:0556-2813
1089-490X
DOI:10.1103/PhysRevC.82.034908