Zhao-Qing Feng. Antiproton production in heavy-ion collisions at subthreshold energies *[J]. Chinese Physics C, 2020, 44(1):
- Chinese Physics C
- Vol. 44, Issue 1, (2020)
Fig. 1. (color online) Temporal evolution of mesons, hyperons, primordial antiprotons and antiprotons produced in the annihilation channels in central 28Si+28Si collisions at the incident energy of 3 GeV/nucleon.
Fig. 2. Mass dependence of K +, K -, primordial antiprotons and annihilation antiprotons at the incident energy of 2 GeV/nucleon.
Fig. 3. (color online) Rapidity and transverse momentum spectra of primordial antiprotons and annihilation antiprotons in central 40Ca+40Ca collisions at the energy of 3 GeV/nucleon.
Fig. 4. Invariant spectra of antiprotons produced in collisions of 28Si+28Si and 58Ni+58Ni at the respective incident energies of 2 GeV/nucleon and 1.85 GeV/nucleon compared with the available experimental data [39 , 40 ].
Fig. 5. (color online) Rapidity distribution of directed flows of
K +, K − and antiprotons produced in 58Ni+58Ni at the incident energy of 3 GeV/nucleon.
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