English

Recent results for source function imaging from AGS through CERN SPS to RHIC

Nuclear Experiment 2011-08-04 v1

Abstract

Recent femtoscopic measurements involving the use of an imaging technique and a newly developed moment analysis are presented and discussed. We show that this new paradigm allows robust investigation of reaction dynamics for which the sound speed cs0c_s \neq 0 during an extended hadronization period. Source functions extracted for charged pions produced in Au+Au and Pb+Pb collisions show non-Gaussian tails for a broad selection of collision energies. The ratio of the RMS radii of these source functions in the out and side directions are found to be greater than 1, suggesting a finite emission time for pions.

Keywords

Cite

@article{arxiv.nucl-ex/0701026,
  title  = {Recent results for source function imaging from AGS through CERN SPS to RHIC},
  author = {Roy A. Lacey},
  journal= {arXiv preprint arXiv:nucl-ex/0701026},
  year   = {2011}
}

Comments

Proceedings, XXXVI International Symposium on Multiparticle Dynamics/Workshop on Particle Correlations and Femtoscopy, Brazil, 2006