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Volume 345 - International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions (HardProbes2018) - Novel Theoretical & Experimental Developments
High-luminosity fixed-target experiments at the LHC
C. Hadjidakis,* S.J. Brodsky, G. Cavoto, C.L. Da Silva, F. Donato, M.G. Echevarria, E.G. Ferreiro, I. Hrivnacova, D. Kikola, A. Klein, A. Kurepin, A. Kusina, J.P. Lansberg, C. Lorcé, F. Lyonnet, Y.I. Makdisi, L. Massacrier, S. Porteboeuf, C. Quintans, A. Rakotozafindrabe, P. Robbe, W. Scandale, I. Schienbein, J. Seixas, H.S. Shao, A. Signori, N. Topilskaya, B. Trzeciak, A. Uras, J. Wagner, N. Yamanaka, Z. Yang, A. Zelenski
*corresponding author
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Pre-published on: 2019 February 01
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By extracting the beam with a bent crystal or by using an internal gas target, the multi-TeV proton and lead LHC beams allow one to perform the most energetic fixed-target experiments ever and to study $pp$, $p$d and $p$A collisions at $\sqrt{s_{NN}}=115$ GeV and Pb$p$ and PbA collisions at $\sqrt{s_{NN}}=72$ GeV with high precision and modern detection techniques. Such studies would address open questions in the domain of the nucleon and nucleus partonic structure at high-$x$, quark-gluon plasma and, by using longitudinally or transversally polarised targets, spin physics. In this paper, we will review the technical solutions to obtain a high-luminosity fixed-target experiment at the LHC and will discuss their possible implementations with the ALICE and LHCb detectors.
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