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Colóquios do IF-UFF

Nesta quarta-feira 26/11, às 16:00 h, na sala de seminários 201, teremos o colóquio ministrado pelo prof. Dr. Giorgio Torrieri (UNICAMP). Um lanche será servido antes do evento.


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TITULO: The Quark-Gluon Plasma. A few results and many puzzles

Resumo: After motivating the search for the Quark-Gluon Plasma, I will describe our current understanding of ultrarelativistic heavy ion collisions, focusing on the consensus that an opaque fluid has been produced in such collisions. I will argue that this suggests we have produced a strongly coupled system and that novel techniques, such as gauge/string duality, might be required to understand its properties. Conversely, the experimental study of heavy ion collisions might provide us with a laboratory to experimentally test predictions from string theory. Despite these exciting developments, conclusive evidence that we have produced a deconfined state of matter is still missing, as we do not understand how this "opaque fluid" phase relates to the onset of deconfinement. I will conclude by suggesting experimental measurements, both at the LHC and in lower energy collisions, that may clarify these issues.
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