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Directed flow in asymmetric nucleus-nucleus collisions and the inverse Landau-Pomeranchuk-Migdal effect
Názov Directed flow in asymmetric nucleus-nucleus collisions and the inverse Landau-Pomeranchuk-Migdal effect Aut.údaje V. D. Toneev ... [et al.] Autor Toneev V. D. (1%)
Spoluautori Voronyuk Vadym (1%)
Kolomeitsev Evgeni E. 1970- (97%) UMBFP06 - Katedra fyziky
Cassing W. (1%)
Zdroj.dok. Physical Review C. Vol. 95, no. 3 (2017), pp. [1-6]. - Maryland : American Physical Society, 2017 Kľúč.slová heavy ion collisions energia - energy dense matter Jazyk dok. angličtina Krajina Spojené štáty Systematika 53 Anotácia It is proposed to identify a strong electric field-created during relativistic collisions of asymmetric nuclei-via the observation of pseudorapidity and transverse momentum distributions of hadrons with the same mass but opposite charge. The results of detailed calculations within the parton-hadron string dynamics (PHSD) approach for the charge-dependent directed flow v(1) are presented for semicentral Cu+Au collision at root S-NN = 200 GeV incorporating the inverse Landau-Pomeranchuk-Migdal (iLPM) effect, which accounts for a delay in the electromagnetic interaction with the charged degrees of freedom. By including the iLPM effect, we achieve a reasonable agreement of the PHSD results for the charge splitting in v(1)(p(T)) in line with the recent measurements by the STAR Collaboration for Cu+Au collisions at root s(NN) = 200 GeV while an instant appearance and coupling of electric charges at the hard collision vertex overestimates the splitting by about a factor of 10. We predict that the iLPM effect should practically disappear at energies of root s(NN) approximate to 9 GeV, which should lead to a significantly larger charge splitting of v1 at the future FAIR/NICA facilities. Kategória publikačnej činnosti ADC Číslo archívnej kópie 39312 Katal.org. BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici Báza dát xpca - PUBLIKAČNÁ ČINNOSŤ Odkazy PERIODIKÁ-Súborný záznam periodika 
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