Three pion HBT correlations in relativistic heavy ion collisions from the STAR experiment - INSPIRE

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Three pion HBT correlations in relativistic heavy ion collisions from the STAR experiment

STAR

Collaboration

Jun, 2003

6 pages

Published in:

Phys.Rev.Lett. 91 (2003) 262301

e-Print:

nucl-ex/0306028 [nucl-ex]

DOI:

10.1103/PhysRevLett.91.262301

Experiments:

BNL-RHIC-STAR

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Abstract:

Data from the first physics run at the Relativistic Heavy-Ion Collider at Brookhaven National Laboratory, Au+Au collisions at

\sqrt{s_{NN}}=130

GeV, have been analyzed by the STAR Collaboration using three-pion correlations with charged pions to study whether pions are emitted independently at freezeout. We have made a high-statistics measurement of the three-pion correlation function and calculated the normalized three-particle correlator to obtain a quantitative measurement of the degree of chaoticity of the pion source. It is found that the degree of chaoticity seems to increase with increasing particle multiplicity.

Note:

6 pages, 4 figures, published in PRL Journal-ref: Phys.Rev.Lett. 91 (2003) 262301

nucleus nucleus: colliding beams
scattering: heavy ion
gold
charged particle: multiple production
correlation function: (3pi)
Hanbury-Brown-Twiss effect
pi: formation
chaos
multiplicity: dependence
STAR

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Figures(4)

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