Abstract
Particles produced in heavy ion collisions carry information about anisotropies present already in the early state of the system and play a crucial role in understanding the quark gluon plasma and its evolution. We explore the angular power spectrum of particle multiplicities in such heavy ion collisions to extract fluctuations in particle multiplicities on the surface a sphere. Results are presented for Pb-Pb data at , extracted from the ALICE open data portal. We find that odd modes of the power spectrum display a power-law behavior with corresponding index , which is found to be close to unity. We also demonstrate that the angular power spectrum allows us to extract accurately the flow coefficients of noncentral collisions.
2 More- Received 21 December 2018
DOI:https://doi.org/10.1103/PhysRevC.99.054910
Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.
Published by the American Physical Society