Critical fluctuations of the proton density in A+A collisions at 158A GeV
Abstract
Here, we look for fluctuations expected for the QCD critical point using an intermittency analysis in the transverse momentum phase space of protons produced around midrapidity in the 12.5 % most central C+C, Si+Si and Pb+Pb collisions at the maximum SPS energy of 158A GeV. We find evidence of power-law fluctuations for the Si+Si data. The fitted power-law exponent Φ2=0.96+0.38–0.25 (stat.) ± 0.16 (syst.) is consistent with the value expected for critical fluctuations. Power-law fluctuations had previously also been observed in low-mass π+π– pairs in the same Si+Si collisions.
- Authors:
- more »
- Publication Date:
- Research Org.:
- Univ. of Washington, Seattle, WA (United States)
- Sponsoring Org.:
- USDOE
- Contributing Org.:
- NA49 Collaboration
- OSTI Identifier:
- 1435052
- Grant/Contract Number:
- FG03-97ER41020
- Resource Type:
- Accepted Manuscript
- Journal Name:
- European Physical Journal. C, Particles and Fields
- Additional Journal Information:
- Journal Volume: 75; Journal Issue: 12; Journal ID: ISSN 1434-6044
- Publisher:
- Springer
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; Transverse Momentum; Chiral Condensate; Factorial Moment; Proton Pair; Critical Fluctuation
Citation Formats
Anticic, T., Baatar, B., Bartke, J., Beck, H., Betev, L., Białkowska, H., Blume, C., Bogusz, M., Boimska, B., Book, J., Botje, M., Bunčić, P., Cetner, T., Christakoglou, P., Chvala, O., Cramer, J., Eckardt, V., Fodor, Z., Foka, P., Friese, V., Gaździcki, M., Grebieszkow, K., Höhne, C., Kadija, K., Karev, A., Kolesnikov, V. I., Kowalski, M., Kresan, D., Laszlo, A., van Leeuwen, M., Maćkowiak-Pawłowska, M., Makariev, M., Malakhov, A. I., Mateev, M., Melkumov, G. L., Mitrovski, M., Mrówczyński, St., Pálla, G., Panagiotou, A. D., Peryt, W., Pluta, J., Prindle, D., Pühlhofer, F., Renfordt, R., Roland, C., Roland, G., Rustamov, A., Rybczyński, M., Rybicki, A., Sandoval, A., Schmitz, N., Schuster, T., Seyboth, P., Siklér, F., Skrzypczak, E., Slodkowski, M., Stefanek, G., Stock, R., Ströbele, H., Susa, T., Szuba, M., Varga, D., Vassiliou, M., Veres, G. I., Vesztergombi, G., Vranić, D., Włodarczyk, Z., Wojtaszek-Szwarć, A., Antoniou, N. G., Davis, N., and Diakonos, F. K. Critical fluctuations of the proton density in A+A collisions at 158A GeV. United States: N. p., 2015.
Web. doi:10.1140/epjc/s10052-015-3738-5.
Anticic, T., Baatar, B., Bartke, J., Beck, H., Betev, L., Białkowska, H., Blume, C., Bogusz, M., Boimska, B., Book, J., Botje, M., Bunčić, P., Cetner, T., Christakoglou, P., Chvala, O., Cramer, J., Eckardt, V., Fodor, Z., Foka, P., Friese, V., Gaździcki, M., Grebieszkow, K., Höhne, C., Kadija, K., Karev, A., Kolesnikov, V. I., Kowalski, M., Kresan, D., Laszlo, A., van Leeuwen, M., Maćkowiak-Pawłowska, M., Makariev, M., Malakhov, A. I., Mateev, M., Melkumov, G. L., Mitrovski, M., Mrówczyński, St., Pálla, G., Panagiotou, A. D., Peryt, W., Pluta, J., Prindle, D., Pühlhofer, F., Renfordt, R., Roland, C., Roland, G., Rustamov, A., Rybczyński, M., Rybicki, A., Sandoval, A., Schmitz, N., Schuster, T., Seyboth, P., Siklér, F., Skrzypczak, E., Slodkowski, M., Stefanek, G., Stock, R., Ströbele, H., Susa, T., Szuba, M., Varga, D., Vassiliou, M., Veres, G. I., Vesztergombi, G., Vranić, D., Włodarczyk, Z., Wojtaszek-Szwarć, A., Antoniou, N. G., Davis, N., & Diakonos, F. K. Critical fluctuations of the proton density in A+A collisions at 158A GeV. United States. https://doi.org/10.1140/epjc/s10052-015-3738-5
Anticic, T., Baatar, B., Bartke, J., Beck, H., Betev, L., Białkowska, H., Blume, C., Bogusz, M., Boimska, B., Book, J., Botje, M., Bunčić, P., Cetner, T., Christakoglou, P., Chvala, O., Cramer, J., Eckardt, V., Fodor, Z., Foka, P., Friese, V., Gaździcki, M., Grebieszkow, K., Höhne, C., Kadija, K., Karev, A., Kolesnikov, V. I., Kowalski, M., Kresan, D., Laszlo, A., van Leeuwen, M., Maćkowiak-Pawłowska, M., Makariev, M., Malakhov, A. I., Mateev, M., Melkumov, G. L., Mitrovski, M., Mrówczyński, St., Pálla, G., Panagiotou, A. D., Peryt, W., Pluta, J., Prindle, D., Pühlhofer, F., Renfordt, R., Roland, C., Roland, G., Rustamov, A., Rybczyński, M., Rybicki, A., Sandoval, A., Schmitz, N., Schuster, T., Seyboth, P., Siklér, F., Skrzypczak, E., Slodkowski, M., Stefanek, G., Stock, R., Ströbele, H., Susa, T., Szuba, M., Varga, D., Vassiliou, M., Veres, G. I., Vesztergombi, G., Vranić, D., Włodarczyk, Z., Wojtaszek-Szwarć, A., Antoniou, N. G., Davis, N., and Diakonos, F. K. Sat .
"Critical fluctuations of the proton density in A+A collisions at 158A GeV". United States. https://doi.org/10.1140/epjc/s10052-015-3738-5. https://www.osti.gov/servlets/purl/1435052.
@article{osti_1435052,
title = {Critical fluctuations of the proton density in A+A collisions at 158A GeV},
author = {Anticic, T. and Baatar, B. and Bartke, J. and Beck, H. and Betev, L. and Białkowska, H. and Blume, C. and Bogusz, M. and Boimska, B. and Book, J. and Botje, M. and Bunčić, P. and Cetner, T. and Christakoglou, P. and Chvala, O. and Cramer, J. and Eckardt, V. and Fodor, Z. and Foka, P. and Friese, V. and Gaździcki, M. and Grebieszkow, K. and Höhne, C. and Kadija, K. and Karev, A. and Kolesnikov, V. I. and Kowalski, M. and Kresan, D. and Laszlo, A. and van Leeuwen, M. and Maćkowiak-Pawłowska, M. and Makariev, M. and Malakhov, A. I. and Mateev, M. and Melkumov, G. L. and Mitrovski, M. and Mrówczyński, St. and Pálla, G. and Panagiotou, A. D. and Peryt, W. and Pluta, J. and Prindle, D. and Pühlhofer, F. and Renfordt, R. and Roland, C. and Roland, G. and Rustamov, A. and Rybczyński, M. and Rybicki, A. and Sandoval, A. and Schmitz, N. and Schuster, T. and Seyboth, P. and Siklér, F. and Skrzypczak, E. and Slodkowski, M. and Stefanek, G. and Stock, R. and Ströbele, H. and Susa, T. and Szuba, M. and Varga, D. and Vassiliou, M. and Veres, G. I. and Vesztergombi, G. and Vranić, D. and Włodarczyk, Z. and Wojtaszek-Szwarć, A. and Antoniou, N. G. and Davis, N. and Diakonos, F. K.},
abstractNote = {Here, we look for fluctuations expected for the QCD critical point using an intermittency analysis in the transverse momentum phase space of protons produced around midrapidity in the 12.5 % most central C+C, Si+Si and Pb+Pb collisions at the maximum SPS energy of 158A GeV. We find evidence of power-law fluctuations for the Si+Si data. The fitted power-law exponent Φ2=0.96+0.38–0.25 (stat.) ± 0.16 (syst.) is consistent with the value expected for critical fluctuations. Power-law fluctuations had previously also been observed in low-mass π+π– pairs in the same Si+Si collisions.},
doi = {10.1140/epjc/s10052-015-3738-5},
journal = {European Physical Journal. C, Particles and Fields},
number = 12,
volume = 75,
place = {United States},
year = {Sat Dec 12 00:00:00 EST 2015},
month = {Sat Dec 12 00:00:00 EST 2015}
}
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