July 31, 2017 to August 4, 2017
Fermi National Accelerator Laboratory
US/Central timezone

QCD multiple scattering in cold nuclear matter

Aug 2, 2017, 11:21 AM
18m
Racetrack (Fermi National Accelerator Laboratory)

Racetrack

Fermi National Accelerator Laboratory

Presentation QCD QCD

Speaker

Prof. Zhongbo Kang (University of California Los Angeles)

Description

Multiple scatterings of energetic partons inside cold or hot nuclear matter play an important role in the study of the QCD medium in high-energy e+A, p+A, and A+A collisions. They lead to parton energy loss and transverse momentum broadening that are responsible for the well-known jet quenching phenomena. In this talk, we present some of our recent theoretical developments on radiative higher-order corrections to parton multiple scattering in the medium. We demonstrate how QCD factorization holds at next-to-leading order for multiple parton scattering in cold nuclear matter and discuss its implication for the medium properties. In particular, we emphasize the universality of the properties of nuclear matter as probed by a propagating parton, and identify the QCD scale and jet energy dependence (QCD evolution) of the jet transport parameter (qhat) as revealed by either quark or gluon jets.

Primary author

Dr HONGXI XING (Northwestern Univ./Argonne National Lab)

Co-authors

Prof. Jianwei Qiu (Brookhaven National Laboratory) Dr Xin-Nian Wang (LBNL) Prof. Zhongbo Kang (University of California Los Angeles)

Presentation materials