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Progress of Theoretical Physics Supplement No. 187

High Energy Strong Interactions 2010
Parton Distributions and Dense QCD Matter

Proceedings of the YIPQS International Workshop

Ed. by K. Itakura, H. Fujii, K. Fukushima, Y. Hatta, Y. Hidaka and H. Kawamura

This volume contains the proceedings for the YITP International Symposium ``High Energy Strong Interactions 2010'', held August 9-13, 2010, at the Yukawa Institute for Theoretical Physics (YITP) in Kyoto, Japan. This symposium was organized as a part of a five-week workshop entitled ``High Energy Strong Interactions 2010 — Parton Distributions and Dense QCD Matter —'', from July 26 to August 27, 2010. The proceedings include contributions of the invited speakers at the symposium, notes of lectures given at the pre-symposium school, and information about the workshop, including a list of participants and the titles of talks given at the workshop.

Research on high-energy hadron scattering has a long history starting even before the advent of the fundamental theory, quantum chromodynamics (QCD). However, importance of the physics of high-energy scattering in particular from the viewpoint of QCD is getting more and more increased in relation to high-energy experiments such as the Relativistic Heavy-Ion Collider (RHIC) at BNL, the Hadron Electron Ring Accelerator (HERA) at DESY, Tevatron at FNAL, and the Large Hadron Collider (LHC) at CERN. The purpose of this workshop/symposium was to summarize what we have learned so far about high-energy QCD from the data obtained from these experiments.

The topics discussed in the workshop/symposium include the following:

(1) Structure Functions and Spin Physics:
Polarized and unpolarized parton distributions, TMD distribution/fragmentation, higher-twist effects, generalized parton distribution, low-x physics and saturation

(2) Heavy-Ion Collisions:
Hard probes, jet quenching, color glass condensate, multiparticle correlations, initial conditions and thermalization mechanisms

(3) Non-Perturbative Approaches:
AdS/CFT and holographic QCD applications, phenomenological models, lattice QCD simulations

During the five weeks, 102 registered participants took part in the program. There were 42 talks given at the workshop and 32 talks given at the symposium, as well as 3 lectures given at the pre-symposium school. In particular, the highlights from all six experimental collaborations of LHC, namely ALICE, CMS, ATLAS, LHCb, LHCf, TOTEM, were reported and discussed during the symposium week, for the first time in Japan.

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