Measurements of π ^± , K^± , p and p̅ spectra in ^40Ar+^45Sc collisions at 13A to 150A Ge V /c
H. Adhikary,P. Adrich,K. K. Allison,N. Amin,E. V. Andronov,T. Antićić,I.-C. Arsene,M. Bajda,Y. Balkova,M. Baszczyk,D. Battaglia,A. Bazgir,S. Bhosale,M. Bielewicz,A. Blondel,M. Bogomilov,Y. Bondar,N. Bostan,A. Brandin,W. Bryliński,J. Brzychczyk,M. Buryakov,A. F. Camino,M. Ćirković,M. Csanád,J. Cybowska,T. Czopowicz,C. Dalmazzone,N. Davis,A. Dmitriev,P. von Doetinchem,W. Dominik,P. Dorosz,J. Dumarchez,R. Engel,G. A. Feofilov,L. Fields,Z. Fodor,M. Friend,M. Gaździcki,O. Golosov,V. Golovatyuk,M. Golubeva,K. Grebieszkow,F. Guber,S. N. Igolkin,S. Ilieva,A. Ivashkin,A. Izvestnyy,K. Kadija,N. Kargin,N. Karpushkin,E. Kashirin,M. Kiełbowicz,V. A. Kireyeu,H. Kitagawa,R. Kolesnikov,D. Kolev,Y. Koshio,V. N. Kovalenko,S. Kowalski,B. Kozłowski,A. Krasnoperov,W. Kucewicz,M. Kuchowicz,M. Kuich,A. Kurepin,A. László,M. Lewicki,G. Lykasov,V. V. Lyubushkin,M. Maćkowiak-Pawłowska,Z. Majka,A. Makhnev,B. Maksiak,A. I. Malakhov,A. Marcinek,A. D. Marino,H.-J. Mathes,T. Matulewicz,V. Matveev,G. L. Melkumov,A. Merzlaya,Ł. Mik,A. Morawiec,S. Morozov,Y. Nagai,T. Nakadaira,M. Naskręt,S. Nishimori,V. Ozvenchuk,O. Panova,V. Paolone,O. Petukhov,I. Pidhurskyi,R. Płaneta,P. Podlaski,B. A. Popov,B. Pórfy,M. Posiadała-Zezula,D. S. Prokhorova,D. Pszczel,S. Puławski,J. Puzović,R. Renfordt,L. Ren,V. Z. Reyna Ortiz,D. Röhrich,E. Rondio,M. Roth,Ł. Rozpłochowski,B. T. Rumberger,M. Rumyantsev,A. Rustamov,M. Rybczynski,A. Rybicki,K. Sakashita,K. Schmidt,A.Yu. Seryakov,P. Seyboth,U. A. Shah,Y. Shiraishi,A. Shukla,M. Słodkowski,P. Staszel,G. Stefanek,J. Stepaniak,M. Strikhanov,H. Ströbele,T. Šuša,L. Swiderski,J. Szewiński,R. Szukiewicz,A. Taranenko,A. Tefelska,D. Tefelski,V. Tereshchenko,A. Toia,R. Tsenov,L. Turko,T. S. Tveter,M. Unger,M. Urbaniak,F. F. Valiev,D. Veberič,V. V. Vechernin,V. Volkov,A. Wickremasinghe,K. Wójcik,O. Wyszyński,A. Zaitsev,E. D. Zimmerman,A. Zviagina,R. Zwaska
The European Physical Journal C（2024）
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摘要
The NA61/SHINE experiment at the CERN Super Proton Synchrotron studies the onset of deconfinement in strongly interacting matter through a beam energy scan of particle production in collisions of nuclei of varied sizes. This paper presents results on inclusive double-differential spectra, transverse momentum and rapidity distributions and mean multiplicities of π ^± , K^± , p and p̅ produced in ^40Ar+^45Sc collisions at beam momenta of 13A, 19A, 30A, 40A, 75A and 150A Ge V /c . The analysis uses the 10 K^± / π ^± ratios as well as of inverse slope parameters of the K^± transverse mass distributions are placed in between those found in inelastic p+p and central Pb + Pb collisions. The results obtained here establish a system-size dependence of hadron production properties that so far cannot be explained either within statistical or dynamical models.
