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Online Strangeness in Quark Matter Conference 2021

17–22 May 2021
US/Eastern timezone

Session

Resonances and Hypernuclei (II)

Parallel 5b
21 May 2021, 09:30
Room B (Zoom)

Room B

Zoom

zoom co-host: Klaus Dehmelt https://stonybrook.zoom.us/j/98548694974

Conveners

Resonances and Hypernuclei (II): Parallel 5

  • Domenico Elia (INFN Bari)

Presentation materials

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  1. 194. Study of Charge Symmetry Breaking in A = 4 hypernuclei in $\sqrt{s_{\rm{NN}}}$ = 3 GeV Au+Au collisions at RHIC
    Tianhao Shao (Shanghai Institute of Applied Physics)
    21/05/2021, 09:30
    Experimental talk

    The Λ binding energy difference, which is called the charge symmetry breaking in the ground states of a pair of A = 4 hypernuclei, $^{4}_{\Lambda}$H and $^{4}_{\Lambda}$He, was measured to be $\Delta B^{4}_{\Lambda}(0^{+}_{g.s.})$ ≈ 350 keV in nuclear emulsion experiments in 1970s. In the 2015 experiment from J-PARC, the binding energy difference in excited states $\Delta...

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  2. 129. Studying hypertriton production, lifetime, and binding in different collision systems with ALICE
    Pietro Fecchio (Politecnico di Torino (IT))
    21/05/2021, 09:50
    Production of strange/heavy-flavor hadron resonances and hypernuclei
    Experimental talk

    The $^{3}_{\Lambda}\text{H}$ is a bound state of proton (p), neutron (n) and $\Lambda$. Studying its characteristics provides insights about the strong interaction between the $\Lambda$ and ordinary nucleons. In particular, the $^{3}_{\Lambda}\text{H}$ is an extremely loosely bound object, with a large wave function. As a consequence, the measured (anti-)$^{3}_{\Lambda}\text{H}$ production...

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  3. 171. Dynamical cluster and hypernuclei production in heavy-ion collisions
    Elena Bratkovskaya (GSI, Darmstadt)
    21/05/2021, 10:10
    Theory talk

    We study the cluster and hypernuclei production in heavy-ion collisions from SIS to RHIC energies based on the n-body dynamical transport approach PHQMD (Parton-Hadron-Quantum-Molecular-Dynamics). In PHQMD clusters are formed dynamically due to the interactions between baryons described on a basis of Quantum Molecular Dynamics (QMD) which allows to propagate the n-body Wigner density and...

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  4. 228. ${}^{3}_{\Lambda}$H and ${}^{4}_{\Lambda}$H Lifetime, Yield, Directed Flow and 3-body Decay Measurements in Au+Au collisions at $\sqrt{s_{\rm{NN}}}=3$ GeV with the STAR detector
    Hu Chenlu (Institute of Modern Physics, Chinese Academy of Sciences)
    21/05/2021, 10:30
    Production of strange/heavy-flavor hadron resonances and hypernuclei
    Experimental talk

    The study of hyperon-nucleon (Y-N) interactions is of great interest in recent years because of its relation to high-density matter systems. For example, the presence of hyperons inside neutron stars would soften the equation of state. Hypernuclei, bound states of nucleons and hyperons, serve as a probe to study the Y-N interaction.

    In this talk, the lifetime of ${}^{3}_{\Lambda}$H and...

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