Jets of light hadrons via AdS/CFT correspondence

High Energy Particle Physics Workshop 2015

Morad, R.^1 ; Horowitz, W.A.^1

Department of Physics, University of Cape Town, Private Bag X3, Rondebosch

7701, South Africa^1

关键词: Energy-loss rate;    Entropy density;    Expanding plasmas;    Heavy ion collision;    Jet quenching;    Light hadrons;    Light quarks;    Strongly coupled plasma;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/645/1/012007/pdf
DOI  :  10.1088/1742-6596/645/1/012007

来源: IOP

【 摘 要 】

Within the expanding fireball formed at heavy ion collision, jets are produced which probes the QGP. Analysis the energy loss of these energetic partons as they travel throw QGP may reveal extremely valuable information about the dynamics of the plasma and exhibit distinctive properties such as jet-quenching. The "AdS/CFT correspondence" which imposes the duality between the gauge theory and gravity is a novel tool provides valuable insight into the strongly coupled plasma. The most important result of AdS/CFT is calculating the value of shear viscosity to entropy density ratio which is in remarkable agreement with the hydrodynamics predictions. We study the energy loss rate of light quarks via AdS/CFT correspondence in both static and expanding plasma. In the hope of making contact with QGP physics, we propose a novel jet prescription based on the separation of hard and soft modes in the dual theory and test the AdS/CFT approach with the latest light hadron suppression data from CMS.