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Acharya, A.; Adhikary, H.; Aduszkiewicz, A.; Allison, K. K.; Andronov, E. V.; Antićić, T.; Babkin, V.; Blondel, A.; Brandin, A.; Bravar, A.; Bryliński, W.; Brzychczyk, J.; Buryakov, M.; Busygina, O.; Bzdak, A.; Cherif, H.; Ćirković, M.; Cybowska, J.; Czopowicz, T.; Davis, N.; Deliyergiyev, M.; Deveaux, M.; Dmitriev , A.; Dominik, W.; Dorosz, P.; Engel, R.; Fields, L.; Fodor, Z.; Gaździcki, M.; Golovatyuk , V.; Golubeva, M.; Guber, F.; Haesler, A.; Igolkin, S. N.; Ilieva, S.; Ivashkin, A.; Johnson, S. R.; Kadija, K.; Kargin, N.; Kiełbowicz, M.; Kireyeu, V. A.; Klochkov, V.; Kolev, D.; Kovalenko, V. N.; Kowalski, S.; Koziel, M.; Kozłowski, B.; Krasnoperov, A.; Kurepin, A.; Larsen, D.; László, A.; Lazareva, T. V.; Łojek, K.; Lyubushkin, V. V.; Malakhov, A. I.; Marcinek, A.; Marino, A. D.; Mathes, H. -J.; Matveev, V.; Melkumov, G. L.; Messerly, B.; Mik, Ł.; Mrówczyński, S.; Nagai, Y.; Naskręt, M.; Ozvenchuk, V.; Petukhov, O.; Płaneta, R.; Podlaski, P.; Popov, B. A.; Porfy, B.; Posiadała-Zezula, M.; Prokhorova, D. S.; Pszczel, D.; Puławski, S.; Ravonel, M.; Röhrich, D.; Roth, M.; Rumberger, B. T.; Rumyantsev, M.; Rustamov, A.; Rybczynski, M.; Rybicki, A.; Sadhu, S.; Sadovsky, A.; Selyuzhenkov, I.; Seryakov, A. Yu; Staszel, P.; Strikhanov, M.; Ströbele, H.; Taranenko, A.; Tefelska, A.; Turko, L.; Unger, M.; Uzhva, D.; Valiev, F. F.; Veberič, D.; Vechernin, V. V.; Wickremasinghe, A.; Zwaska, R.
European physical journal. C, Particles and fields, 01/2021, Volume: 81, Issue: 1Journal Article
Abstract The NA61/SHINE experiment at the CERN Super Proton Synchrotron (SPS) studies the onset of deconfinement in hadron matter by a scan of particle production in collisions of nuclei with various sizes at a set of energies covering the SPS energy range. This paper presents results on inclusive double-differential spectra, transverse momentum and rapidity distributions and mean multiplicities of $$\pi ^\pm $$ π ± , $$K^\pm $$ K ± , p and $$\bar{p}$$ p ¯ produced in the 20% most central $$^7$$ 7 Be+ $$^9$$ 9 Be collisions at beam momenta of 19 A , 30 A , 40 A , 75 A and 150 A $${\mathrm{Ge} \mathrm{V}}\!/\!c$$ Ge V / c . The energy dependence of the $$K^\pm $$ K ± / $$\pi ^\pm $$ π ± ratios as well as of inverse slope parameters of the $$K^\pm $$ K ± transverse mass distributions are close to those found in inelastic p+p reactions. The new results are compared to the world data on p+p and Pb+Pb collisions as well as to predictions of the Epos , U r qmd , Ampt , Phsd and Smash models.
