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Search for saturation effects at the LHC with the ALICE experiment

Abstract : At very high energies or small values of Bjorken x, the increase of parton density in hadronic matter is expected to lead to a saturated partonic distribution regime. It has been suggested that such an initial state effect - expected to be present before the Quark Gluon Plasma phase, in heavy-ion collisions, has been formed at RHIC energies. The study of high partonic density effects in QCD can be formulated as an effective field theory, the Color Glass Condensate (CGC). This theoretical framework is used to describe the new kinematic regime that is accessible at the LHC for different colliding systems (p+p, p+A and A+A). In this talk the principal features of the high density regime will be described, together with a brief look at the experimental observations for saturation effects obtained at RHIC energies. Special attention will be given to the prospects of observing saturation effects at the LHC with the ALICE experiment. In particular, heavy flavour and quarkonia production will be discussed in terms of physics performance studies of the ALICE Muon Forward Spectrometer.
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http://hal.in2p3.fr/in2p3-00761256
Contributor : Sophie Heurteau <>
Submitted on : Wednesday, December 5, 2012 - 10:58:09 AM
Last modification on : Wednesday, September 16, 2020 - 4:08:29 PM

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  • HAL Id : in2p3-00761256, version 1

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C. Hadjidakis. Search for saturation effects at the LHC with the ALICE experiment. XLVIII International Winter Meeting on Nuclear Physics, Jan 2010, Bormio, Italy. ⟨in2p3-00761256⟩

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