Darmstadt 2016 – scientific programme
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HK: Fachverband Physik der Hadronen und Kerne
HK 24: Heavy Ion Collision and QCD Phases VI
HK 24.1: Talk
Tuesday, March 15, 2016, 16:30–16:45, S1/01 A01
Multi-strange Hyperons and Hypernuclei reconstruction at the CBM experiment — •Iouri Vassiliev1, Ivan Kisel1,2,3, and Maksim Zyzak1,2,3 for the CBM collaboration — 1GSI, Darmstadt, Germany — 2FIAS, Franfurt am Main, Germany — 3Goethe Universitat, Franfurt am Main, Germany
The main goal of the CBM experiment at FAIR is to study the behaviour of nuclear matter at very high baryonic density in which the transition to a deconfined and chirally restored phase is expected to happen. The promising signatures of this new state are the enhanced production of multi-strange particles, production of hypernuclei and dibaryons. In central Au+Au collisions at top SIS100 energies the nuclear fireball will be compressed, according to transport model calculations, to more than 8 times saturation density ρ0. At such densities, the nucleon will start to melt and to dissolve into their constituents. The calculations predict that the dense fireball spend a relatively long time within the phase coexisting region. This is especially well suited for generating signals of the phase transition. Theoretical models predict that single and double hypernuclei, and heavy multi-strange short-lived objects are produced via coalescence in heavy-ion collisions with the maximum yield in the region of SIS100 energies. Results of feasibility studies of the multi-strange hyperons, hypernuclei and dibaryons in the CBM experiment will be presented.