Physics opportunities with a fixed target experiment at the LHC (AFTER@LHC)

  • C. Hadjidakis
  • , M. Anselmino
  • , R. Arnaldi
  • , S. J. Brodsky
  • , V. Chambert
  • , C. da Silva
  • , J. P. Didelez
  • , M. G. Echevarria
  • , E. G. Ferreiro
  • , F. Fleuret
  • , Y. Gao
  • , B. Genolini
  • , I. Hřivnáčová
  • , D. Kikola
  • , A. Klein
  • , A. Kurepin
  • , A. Kusina
  • , J. P. Lansberg
  • , C. Lorcé
  • , F. Lyonnet
  • G. Martinez, L. Massacrier, A. Nass, C. Pisano, P. Robbe, I. Schienbein, M. Schlegel, E. Scomparin, J. Seixas, H. S. Shao, A. Signori, E. Steffens, L. Szymanowski, N. Topilskaya, B. Trzeciak, U. I. Uggerhøj, A. Uras, R. Ulrich, J. Wagner, N. Yamanaka, Z. Yang

Research output: Contribution to journalConference articlepeer-review

Abstract

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 (AFTER@LHC) and to study p+p and p+A collisions at √sNN=115 GeV and Pb+p and Pb+A collisions at √sNN=72 GeV. 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 discuss the physics opportunities of a fixed-target experiment at the LHC and we report on the possible technical implementations of a high-luminosity experiment. We finally present feasibility studies for Drell-Yan, open heavy-flavour and quarkonium production, with an emphasis on high-x and spin physics.

Original languageEnglish
JournalProceedings of Science
Volume324
Publication statusPublished - 1 Jan 2017
Event17th International Workshop on Polarized Sources, Targets and Polarimetry, PSTP 2017 - Daejeon, Korea, Republic of
Duration: 16 Oct 201720 Oct 2017

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