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

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.

Authors

Institutions

Publication Details

Journal
ArXiv.org
Published
2025-03-28
DOI
https://doi.org/10.48550/arxiv.2503.22484
Primary Topic
Particle physics theoretical and experimental studies
Type
article

Funders

Controls
|||
ALL TIME
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
article

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

V. Golovatyuk, O. Wyszyński, P. von Doetinchem, R. Szukiewicz et al.
ArXiv.org
Particle physics theoretical and experimental studies
article

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

V. Golovatyuk, O. Wyszyński, P. von Doetinchem, R. Szukiewicz, G. I. Lykasov, M. Rumyantsev, H. Adhikary, I. Pidhurskyi, P. Staszel, A. Ivashkin, M. Gaździcki, M. Buryakov, K. Schmidt, A. Shukla, M. Roth, P. Podlaski, A. Zaitsev, F. Guber, E. Zherebtsova, M. M. Kielbowicz, A. Rustamov, J. Brzychczyk, M. Słodkowski, A. Olivier, Darko Veberič, M. Urbaniak, Y. Balkova, Evgeny Andronov, L. Ren, M. P. Lewicki, V. Paolone, D. Pszczel, Y. Bondar, P. Seyboth, Y. Nagai, M. Rybczyński, T. Matulewicz, M. Kuich, Д. С. Прохорова, K. Gollwitzer, Ł. Mik, O. Vitiuk, W. Kucewicz, K. Sakashita, Y. Koshio, V. Ozvenchuk, D. A. Wickremasinghe, Ł. Świderski, W. Bryliński, D. Rybka, S. Kowalski, M. Friend, O. Panova, D. Tefelski, T. S. Tveter, A. Zviagina, B. Kozłowski, G. L. Melkumov, B. Pórfy, U. A. Shah, M. Ćirković, Hermann-Josef Mathes, R. Tsenov, V. A. Kireyeu, L. Turko, J. Steṕaniak, N. Karpushkin, D. Röhrich, V. Z. Reyna Ortiz, B. Popov, K. K. Allison, J. Cybowska, A. Taranenko, Jarosław Szewiński, P. Adrich, A. Dmitriev, M. Bielewicz, M. Bajda, S. Puławski, S. Ilieva, A. Blondel, R. Płaneta, A. Malakhov, Г. Феофилов, A. Bazgir, M. Bogomilov, Yash Chandak, W. Dominik, K. Grebieszkow, C. Dalmazzone, P. Hurh, M. Golubeva, M. Kuchowicz, M. Maćkowiak-Pawłowska, Ł. Rozpłochowski, A. F. Camino, Y. Shiraishi, M. Unger, V. Matveev, J. Dumarchez, A. D. Marino, E. D. Zimmerman, N. Amin, G. Stefanek, L. Fields, A. Marcinek, A. Tefelska, N. Davis, O. Golosov, A. Rybicki, Á. László, I. C. Arsene, V. Lyubushkin, R. Engel, D. Kolev, T. Czopowicz, K. Witek, T. Nakadaira, V. Tereshchenko, Z. Fodor, A. Krasnoperov, A. Merzlaya, M. Csanád, J. Lyon, B. Maksiak, S. Bhosale, S. Nishimori, D. Battaglia, Roman A. Kolesnikov, K. Wójcik, S. Morozov
article en

Abstract

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.

ArXiv.org
Karlsruhe Institute of Technology (DE), Eötvös Loránd University (HU), Warsaw University of Technology (PL), Jagiellonian University (PL), Fermi National Accelerator Laboratory (US), University of Hawaii System (US), High Energy Accelerator Research Organization (JP), Jan Kochanowski University (PL), University of Pittsburgh (US), Cracow University of Technology (PL), University of Colorado System (US), Notre Dame of Dadiangas University (PH), Dubna State University (RU), Laboratoire de Physique Nucléaire et de Hautes Énergies (FR), Unge aksjonærer (NO), HUN-REN Wigner Research Centre for Physics (HU), National Nuclear Research Center (AZ), University of Bergen (NO), University of Warsaw (PL), AGH University of Krakow (PL), University of Silesia in Katowice (PL)
National Science Foundation, U.S. Department of Energy, CERN, Strong, European Commission, Deutsche Forschungsgemeinschaft, Ministry of Education, Culture, Sports, Science and Technology, Hungarian Scientific Research Fund, Centre National de la Recherche Scientifique, Nemzeti Kutatási Fejlesztési és Innovációs Hivatal, Office of Science, Institut National de Physique Nucléaire et de Physique des Particules, Fermilab
Particle physics theoretical and experimental studies
AI Navigator

Ask Laika to Summarize, Analyze, and Connect papers live on the map.

Summarize Papers & Methodologies

Extract key findings, datasets, and comparative methods across publications.

Benchmark Rankings & Visual Analytics

Rank top research institutions, authors, funders, topics, and journals by Field-Weighted Citation Impact (FWCI) and paper volume with instant charts.

Connect Distant Disciplines

Bridge topological clusters on the map to find hidden collaborative intersections.