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Azimuthal emission patterns of K+ and of K- mesons in Ni plus Ni collisions near the strangeness production threshold


Zinyuk, V.; Kang, T.I.; Leifels, Y.; Herrmann, N.; Hong, B.; Averbeck, R.; Andronic, A.; Barret, V.; Basrak, Zoran; Bastid, N. et al.
Azimuthal emission patterns of K+ and of K- mesons in Ni plus Ni collisions near the strangeness production threshold // Physical review C, 90 (2014), 2; 025210-1 doi:10.1103/PhysRevC.90.025210 (međunarodna recenzija, članak, znanstveni)


Naslov
Azimuthal emission patterns of K+ and of K- mesons in Ni plus Ni collisions near the strangeness production threshold

Autori
Zinyuk, V. ; Kang, T.I. ; Leifels, Y. ; Herrmann, N. ; Hong, B. ; Averbeck, R. ; Andronic, A. ; Barret, V. ; Basrak, Zoran ; Bastid, N. ; Benabderrahmane, M.L. ; Berger, M. ; Buehler, P. ; Cargnelli, M. ; Čaplar, Roman ; Carević, Ivana ; Crochet, P. ; Deppner, I. ; Dupieux, P. ; Dželalija, Mile ; Fabbietti, L. ; Fodor, Z. ; Gasik, P. ; Gašparić, Igor ; Grishkin, Y. ; Hartmann, O. N. ; Hildenbrand, K.D. ; Kecskemeti, J. ; Kim, Y.J. ; Kirejczyk, M. ; Kiš, Mladen ; Koczon, P. ; Kotte, R. ; Lebedev, A. ; Le Fevre, A. ; Liu, J.L. ; Lopez, X. ; Manko, V. ; Marton, J. ; Matulewicz, T. ; Munzer, R. ; Petrovici, M. ; Piasecki, K. ; Rami, F. ; Reischl, A. ; Reisdorf, W. ; Ryu, M.S. ; Schmidt, P. ; Schuttauf, A. ; Seres, Z. ; Sikora, B. ; Sim, K.S. ; Simion, V. ; Siwek-Wilczynka, K. ; Smolyankin, V. ; Suzuki, K. ; Tyminski, Z. ; Wagner, P. ; Widmann, E. ; Wisniewski, K. ; Xiao, Z.G. ; Yushmanov, I ; Zhang, Y ; Zhilin, A ; Zmeskal, J.

Izvornik
Physical review C (0556-2813) 90 (2014), 2; 025210-1

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Heavy-ion collisions; relativistic nuclear collisions; equation-of-state; antikaon production; kaon production; dense nuclear; sis energies; matter; flow; dynamics

Sažetak
Azimuthal emission patterns of K+/- mesons have been measured in Ni + Ni collisions with the FOPI spectrometer at a beam kinetic energy of 1.91 A GeV. The transverse momentum p(T) integrated directed and elliptic flow of K+ and K- mesons as well as the centrality dependence of p(T) - differential directed flow of K+ mesons are compared to the predictions of hadron string dynamics and isospin quantum molecular dynamics transport models. The data exhibits different propagation patterns of K+ and K- mesons in the compressed and heated nuclear medium and favor the existence of a kaon-nucleon in-medium potential, repulsive for K+ mesons and attractive for K- mesons.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

Napomena
FOPI Collaboration.



POVEZANOST RADA


Projekt / tema
098-1191005-2879 - Fizika teških iona (Zoran Basrak, )

Ustanove
Institut "Ruđer Bošković", Zagreb,
Prirodoslovno-matematički fakultet, Split

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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