Details of the n_TOF facility horizontal neutron primary beam line

Details of part of the technical infrastructure associated with the n_TOF neutron-time-of-flight are visible here. Specifically it shows a Samarium Cobalt, or SmCo, permanent magnet located 150 m downstream the spallation target to deflect charged particles travelling in the neutron pipes (see CERN-PHOTO-202202-014-1 to -3, and -13. The new spallation target shielding assembly is also shown in CERN-PHOTO-202202-14-4 and -5, with the last layer of marble depicted in the forefront. CERN-PHOTO-202202-14-6 to -12 shows the 2 m long second collimator, which shapes the neutron beam before reaching the experimental station 1: it is composed by steel layer acting as moderator as well as borated polyethylene to absorb thermal neutrons. A neutron filter station is shown in CERN-PHOTO-202202-14-14 to -17. The neutron time-of-flight facility, n_TOF, has been operating at CERN since 2001. n_TOF is a pulsed neutron source coupled to a 200-metre flight path. It is designed to study neutron-nucleus interactions for neutron energies ranging from a few MeV to several GeV. The wide energy range and high-intensity neutron beams produced at n_TOF are used to make precise measurements of neutron-related processes.