27 September 2015 to 3 October 2015
Kobe, Fashion Mart, Japan
Japan timezone

Principal component analysis and factorization breaking

29 Sept 2015, 16:30
2h
Exhibition space 3 & 4

Exhibition space 3 & 4

Board: 0818
Poster Collective Dynamics Poster Session

Speaker

Aleksas Mazeliauskas (Stony Brook University)

Description

We perform a Principal Component Analysis (PCA) of $v_3(p_T)$ in event-by-event hydrodynamic simulations of Pb+Pb collisions at the LHC. We show that factorization matrix $r_3(p_{T1},p_{T2})$ can be economically presented in terms of two dominant principal components of the two particle correlation function. We find that the subleading flow is predominantly a response to the radial excitations of third order eccentricity. We present a systematic study of the hydrodynamic response to these radial excitations in 2+1D viscous hydrodynamics. Finally, we construct a good geometrical predictor for the orientation angle and magnitude of the leading and subleading flows using two Fourier modes of the initial geometry. References: A. Mazeliauskas and D. Teaney, Phys. Rev. C 91,(2015) 044902 R.S. Bhalerao, J.Y. Ollitrault, S. Pal, and D. Teaney, Phys. Rev. Lett. 114, (2015) 152301
On behalf of collaboration: NONE

Primary author

Aleksas Mazeliauskas (Stony Brook University)

Co-author

Derek Teaney (Stony Brook University)

Presentation materials