Physics perspectives with AFTER@LHC (A Fixed Target ExpeRiment at LHC)

Abstract : AFTER@LHC is an ambitious fixed-target project in order to address open questions in the domain of proton and neutron spins, Quark Gluon Plasma and high-$x$ physics, at the highest energy ever reached in the fixed-target mode. Indeed, thanks to the highly energetic 7 TeV proton and 2.76 A.TeV lead LHC beams, center-of-mass energies as large as $\sqrt{s_{NN}}$ = 115 GeV in pp/pA and $\sqrt{s_{NN}}$ = 72 GeV in AA can be reached, corresponding to an uncharted energy domain between SPS and RHIC. We report two main ways of performing fixed-target collisions at the LHC, both allowing for the usage of one of the existing LHC experiments. In these proceedings, after discussing the projected luminosities considered for one year of data taking at the LHC, we will present a selection of projections for light and heavy-flavour production.
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L. Massacrier, M. Anselmino, R. Arnaldi, S.J. Brodsky, V. Chambert, et al.. Physics perspectives with AFTER@LHC (A Fixed Target ExpeRiment at LHC). 17th International Conference on Strangeness in Quark Matter, Jul 2017, Utrecht, Netherlands. pp.10001, ⟨10.1051/epjconf/201817110001⟩. ⟨hal-01730124⟩

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