Measurements of π±, K±, p and p¯ spectra in 7Be+9Be collisions at beam momenta from 19A to 150A GeV/c with the NA61/SHINE spectrometer at the CERN SPS

Acharya, A.; Adhikary, H.; Aduszkiewicz, A.; Allison, K.K.; Andronov, E.V.; Antićić, T.; Babkin, V.; Baszczyk, M.; Bhosale, S.; Blondel, A.; Bogomilov, M.; Brandin, A.; Bravar, A.; Bryliński, W.; Brzychczyk, J.; Buryakov, M.; Busygina, O.; Bzdak, A.; Cherif, H.; Ćirković, M.; Csanad, M.; Cybowska, J.; Czopowicz, T.; Damyanova, A.; Davis, N.; Deliyergiyev, M.; Deveaux, M.; Dmitriev, A.; Dominik, W.; Dorosz, P.; Dumarchez, J.; Engel, Ralph; Feofilov, G.A.; Fields, L.; Fodor, Z.; Garibov, A.; Gaździcki, M.; Golosov, O.; Golovatyuk, V.; Golubeva, M.; Grebieszkow, K.; Guber, F.; Haesler, A.; Igolkin, S.N.; Ilieva, S.; Ivashkin, A.; Johnson, S.R.; Kadija, K.; Kargin, N.; Kashirin, E.; Kiełbowicz, M.; Kireyeu, V.A.; Klochkov, V.; Kolesnikov, V.I.; Kolev, D.; Korzenev, A; Kovalenko, V.N.; Kowalski, S.; Koziel, M.; Kozłowski, B.; Krasnoperov, A.; Kucewicz, W.; Kuich, M.; Kurepin, A.; Larsen, Dag Toppe; László, A.; Lazareva, T.V.; Lewicki, M.; Łojek, K.; Lyubushkin, V.V.; Maćkowiak-Pawłowska, M.; Majka, Z.; Maksiak, B.; Malakhov, A.I.; Marcinek, A.; Marino, A.D.; Marton, K.; Mathes, H.-J.; Matulewicz, T.; Matveev, V.; Melkumov, G.L.; Merzlaya, A.O.; Messerly, B.; Mik, L.; Morozov, S.; Mrówczyński, S.; Nagai, Y.; Naskręt, M.; Ozvenchuk, V.; Paolone, V.; Petukhov, O.; Płaneta, R.; Podlaski, P.; Popov, B.A.; Porfy, B.; Posiadała-Zezula, M.; Prokhorova, D.S.; Pszczel, D.; Puławski, S.; Puzović, J.; Ravonel, M.; Renfordt, R.; Röhrich, Dieter; Rondio, E.; Roth, M.; Rumberger, B.T.; Rumyantsev, M.; Rustamov, A.; Rybczynski, M.; Rybicki, A.; Sadhu, S.; Sadovsky, A.; Schmidt, K.; Selyuzhenkov, I.; Seryakov, A. Yu.; Seyboth, P.; Słodkowski, M.; Staszel, P.; Stefanek, G.; Stepaniak, J.; Strikhanov, M.; Ströbele, H.; Šuša, T.; Taranenko, A.; Tefelska, A.; Tefelski, D.; Tereshchenko, V.; Toia, Alberica; Tsenov, R.; Turko, L.; Ulrich, R.; Unger, M.; Uzhva, D.; Valiev, F.F.; Veberič, D.; Vechernin, V.V.; Wickremasinghe, A.; Włodarczyk, Z.; Wójcik, K.; Wyszyński, O.; Zimmerman, E.D.; Zwaska, R.
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https://hdl.handle.net/11250/2987912
Utgivelsesdato
2021
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Originalversjon
European Physical Journal C. 2021, 81, 73.   10.1140/epjc/s10052-020-08733-x
Sammendrag
The NA61/SHINE experiment at the CERN Super Proton Synchrotron (SPS) studies the onset of deconf inement 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 momentumandrapidity distributions and mean multiplicities of π±, K±, p and ¯p produced in the 20% most central 7Be+9Be collisions at beam momenta of 19A,30A,40A,75A and 150A GeV/c. The energy dependence of the K±/π± ratios as well as of inverse slope parameters of the 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, Urqmd, Ampt, Phsd and Smash models.
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Springer
Tidsskrift
European Physical Journal C
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Copyright 2021 the authors
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