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2025
preprint
Multiplicity and net-electric charge fluctuations in central Ar+Sc interactions at 13A, 19A, 30A, 40A, 75A, and 150A GeV/c beam momenta measured by NA61/SHINE at the CERN SPS
H. Adhikary, P. Adrich, K. K. Allison, N. Amin, Evgeny Andronov, I. C. Arsene, M. Bajda, Y. Balkova, D. Battaglia, A. Bazgir, S. Bhosale, M. Bielewicz, A. Blondel, M. Bogomilov, Y. Bondar, W. Bryliński, J. Brzychczyk, M. Buryakov, A. F. Camino, Yash Chandak, M. Ćirković, M. Csanád, J. Cybowska, T. Czopowicz, C. Dalmazzone, N. Davis, A. Dmitriev, P. von Doetinchem, W. Dominik, J. Dumarchez, R. Engel, Г. Феофилов, L. Fields, Z. Fodor, M. Friend, M. Gaździcki, K. Gollwitzer, O. Golosov, V. Golovatyuk, M. Golubeva, K. Grebieszkow, F. Guber, P. Hurh, S. Ilieva, A. Ivashkin, N. Karpushkin, M. M. Kielbowicz, V. A. Kireyeu, R. Kolesnikov, D. Kolev, Y. Koshio, S. Kowalski, B. Kozłowski, A. Krasnoperov, W. Kucewicz, M. Kuchowicz, M. Kuich, Á. László, M. P. Lewicki, G. I. Lykasov, J. Lyon, V. Lyubushkin, M. Maćkowiak-Pawłowska, B. Maksiak, A. Malakhov, A. Marcinek, A. D. Marino, Hermann-Josef Mathes, T. Matulewicz, V. Matveev, G. L. Melkumov, A. Merzlaya, Ł. Mik, S. Morozov, Y. Nagai, T. Nakadaira, S. Nishimori, A. Olivier, V. Ozvenchuk, O. Panova, V. Paolone, I. Pidhurskyi, R. Płaneta, P. Podlaski, B. Popov, B. Pórfy, Д. С. Прохорова, D. Pszczel, S. Puławski, L. Ren, V. Z. Reyna Ortiz, D. Röhrich, M. Roth, Ł. Rozpłochowski, M. Rumyantsev, A. Rustamov, M. Rybczyński, A. Rybicki, D. Rybka, K. Sakashita, K. Schmidt, P. Seyboth, U. A. Shah, Y. Shiraishi, A. Shukla, M. Słodkowski, P. Staszel, G. Stefanek, J. Steṕaniak, Ł. Świderski, Jarosław Szewiński, R. Szukiewicz, A. Taranenko, A. Tefelska, D. Tefelski, V. Tereshchenko, R. Tsenov, L. Turko, T. S. Tveter, M. Unger, M. Urbaniak, Darko Veberič, O. Vitiuk, D. A. Wickremasinghe, K. Witek, K. Wójcik, O. Wyszyński, A. Zaitsev, E. Zherebtsova, E. D. Zimmerman, A. Zviagina
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Rattachement africain : pl, us, de, no, ph, fr, ru, rs, cz, hu, jp, az.
Niveau de preuve : code pays fourni par la source.
Le résumé fourni par la source
This paper presents results on multiplicity fluctuations of positively and negatively charged hadrons as well as net-electric charge fluctuations measured in central Ar+Sc interactions at beam momenta 13A, 19A, 30A, 40A, 75A, and 150A GeV/c. The fluctuation analysis is one of the tools to search for the predicted critical point of strongly interacting matter. Results are corrected for the experimental biases and quantified using cumulant ratios. In most instances, multiplicity and net-charge distributions appear narrower than the corresponding Poisson or Skellam distributions. Cumulant ratios are compared with the EPOS1.99 model predictions, which provide a qualitative description that aligns with observations for positively and negatively charged particles. The obtained results are also compared to earlier NA61/SHINE results from inelastic p+p interactions in the same analysis acceptance.
Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.
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Les sujets associés
Particle physics theoretical and experimental studiesNuclear physics research studiesHigh-Energy Particle Collisions Research