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Azimuthal dependence of pion interferometry at the AGS

  • M. A. Lisa
  • , N. N. Ajitanand
  • , J. M. Alexander
  • , M. Anderson
  • , D. Best
  • , F. P. Brady
  • , T. Case
  • , W. Caskey
  • , D. Cebra
  • , J. L. Chance
  • , P. Chung
  • , B. Cole
  • , K. Crowe
  • , A. C. Das
  • , J. E. Draper
  • , M. L. Gilkes
  • , S. Gushue
  • , M. Heffner
  • , A. S. Hirsch
  • , E. L. Hjort
  • L. Huo, M. Justice, M. Kaplan, D. Keane, J. C. Kintner, J. Klay, D. Krofcheck, R. A. Lacey, J. Lauret, H. Liu, Y. M. Liu, R. McGrath, Z. Milosevich, G. Odyniec, D. L. Olson, S. Y. Panitkin, C. Pinkenburg, N. T. Porile, G. Rai, H. G. Ritter, J. L. Romero, R. Scharenberg, L. Schroeder, B. Srivastava, N. T.B. Stone, T. J.M. Symons, R. Wells, J. Whitfield, T. Wienold, R. Witt, L. Wood, W. N. Zhang
  • Ohio State University
  • Lawrence Berkeley National Laboratory
  • Columbia University
  • Brookhaven National Laboratory
  • Purdue University
  • Harbin Institute of Technology
  • Kent State University
  • Carnegie Mellon University
  • St Mary's College
  • The University of Auckland
  • Stony Brook University
  • University of California at Davis

Research output: Contribution to journalArticlepeer-review

66 Scopus citations

Abstract

Two-pion correlation functions, measured as a function of azimuthal emission angle with respect to the reaction plane, provide novel information on the anisotropic shape and orientation of the pion-emitting zone formed in heavy ion collisions. We present the first experimental determination of this information, for semi-central Au + Au collisions at 2-6 A GeV. The source extension perpendicular to the reaction plane is greater than the extension in the plane, and tilt of the pion source in coordinate space is found to be opposite its tilt in momentum space.

Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume496
Issue number1-2
DOIs
StatePublished - Dec 21 2000

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