From RHIC to LHC

Abstract

Measurements of the nuclear modification factor of inclusive yields of ${\pi }^0$, $p\bar{p}$, non-phtonic electrons and prompt photon measured at RHIC are reviewed. Some of the difficulties arising from interpretation of these measurements such as similarity of the suppression pattern of light and heavy quarks, quarks and gluons, light quarks and prompt photon are discussed. The potential of two-particle and promt photon correlation technique to unravel some of these open questions is presented. An emphasis is given to the influence of partonic transverse momentum on the prompt-photon correlations. The smearing between the trigger photon and back-to-back jet at LHC energy is discussed.

Prepared for Hadron Collider Physics Symposium 2007 La Biodola, Isola d'Elba, Italy, May 2007 6 pages

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