1. D. Banerjee, J. Bernhard, M. Brugger, N. Charitonidis, N. Doble, L. Gatignon, A. Gerbershagen, The North Experimental Area at the Cern Super Proton Synchrotron, CERN Document Server, CERN-ACC-NOTE-2021-0015, 2021.
2. COMPASS++/AMBER: Proposal for Measurements at the M2 Beam;Adams,2019
3. Precise measurements of particle production by 400 GeV/c protons on beryllium targets;Atherton,1980
4. B. Adams, et al., Letter of Intent: A New QCD Facility At the M2 Beam Line of the CERN SPS (COMPASS++/AMBER), Tech. rep., CERN-SPSC-2019-003 (SPSC-I-250), 2019, arXiv:1808.00848.
5. The pion: an enigma within the standard model;Horn;J. Phys. G,2016