The SPIN experiment is carried out with the aim of studying inclusive production of charged particles with high transverse momenta in hard proton-nucleus and nucleus-nucleus interactions. A single-arm narrow-aperture spectrometer is used in the study. The uniqueness of the experiment is in the high intensity of the proton (10(12)-10(13) protons/s) and ion (of the order of 5 x 10(9) ions/s) beams ejected from the U-70 accelerator, which makes it possible to measure inclusive cross sections varying by seven orders of magnitude. The SPIN setup is able to detect particles with momenta in a kinematic domain of nucleon-nucleon interactions as well as beyond its limits. The spectrometer equipment and the features of the measurement procedure are described.
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