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Advances in High Energy Physics
Volume 2018, Article ID 3794242, 5 pages
Review Article

HBT Radii: Comparative Studies on Collision Systems and Beam Energies

Saha Institute of Nuclear Physics, HBNI, 1/AF, Bidhannagar, Kolkata 700064, India

Correspondence should be addressed to Debasish Das; moc.liamg@abed.ved

Received 12 February 2018; Revised 14 June 2018; Accepted 28 June 2018; Published 15 July 2018

Academic Editor: Fu-Hu Liu

Copyright © 2018 Debasish Das. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The publication of this article was funded by SCOAP3.


Two-particle Hanbury-Brown-Twiss (HBT) interferometry is an important probe for understanding the space-time structure of particle emission sources in high energy heavy ion collisions. We present the comparative studies of HBT radii in Pb+Pb collisions at = 17.3 GeV with Au+Au collisions at = 19.6 GeV. To further understand this specific energy regime, we also compare the HBT radii for Au+Au collisions at = 19.6 GeV with Cu+Cu collisions at = 22.4 GeV. We have found interesting similarity in the ratio with across the collision systems while comparing the data for this specific energy zone which is interesting as it acts as a bridge from SPS energy regime to the RHIC energy domain.