Search for a critical point of strongly-interacting matter in central
^40Ar +^45Sc collisions at 13A-75A GeV/c beam momentum
The NA/SHINE Collaboration,:,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. Csanad,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,A. Garibov,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,K. Marton,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. Porfy,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,Ł. Świderski,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
arxiv（2024）
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摘要
The critical point of strongly interacting matter is searched for at the CERN
SPS by the NA61/SHINE experiment in central ^40Ar +^45Sc collisions at
13A, 19A, 30A, 40A, and 75A GeV/c. The dependence of the
second-order scaled factorial moments of proton multiplicity distributions on
the number of subdivisions in transverse momentum space is measured. The
intermittency analysis uses statistically independent data sets for every
subdivision in transverse and cumulative-transverse momentum variables.
The results obtained do not indicate the searched intermittent pattern. An
upper limit on the fraction of correlated protons and the intermittency index
is obtained based on a comparison with the Power-law Model.
