{"@context":"http://schema.org","@id":"https://doi.org/10.17182/hepdata.142234.v1","@reverse":{"isBasedOn":[{"@type":"ScholarlyArticle","identifier":{"@type":"PropertyValue","propertyID":"URL","value":"https://inspirehep.net/literature/2152211"}}]},"@type":"Dataset","additionalType":"Collection","author":{"@type":"Organization","name":"ALICE Collaboration"},"creator":{"@type":"Organization","name":"ALICE Collaboration"},"datePublished":"2023","description":"The most precise measurements to date of the $^{3}_{\\Lambda}\\mathrm H$ lifetime $\\tau_{^{3}_{\\Lambda}\\mathrm H}$ and $\\Lambda$ separation energy $\\mathrm{B_{\\Lambda}}$ are obtained using the data sample of Pb--Pb collisionsat $\\sqrt{s_{\\mathrm{NN}}}=$5.02 TeV collected by the ALICE experiment at the LHC. The ^{3}_{\\Lambda}\\mathrm H is reconstructed via its charged two-body mesonic decay channel ($^{3}_{\\Lambda}\\mathrm H$ $\\rightarrow$ $^3$He + $\\pi^-$and the charge-conjugate process). The measured values $\\tau_{^{3}_{\\Lambda}\\mathrm H} = [253 \\pm 11 \\text{~(stat.)} \\pm 6 \\text{~(syst.)}]$ ps and $\\mathrm{B_{\\Lambda}} = [102 \\pm 63 \\text{~(stat.)} \\pm 67 \\text{~(syst.)}]$ keV are compatible with predictions from effective field theories and conclusively confirm that the $^{3}_{\\Lambda}\\mathrm H$ is a weakly-bound system.","hasPart":[{"@id":"https://doi.org/10.17182/hepdata.142234.v1/t1","@type":"Dataset","description":"$^{3}_{\\Lambda}\\mathrm H$ Lifetime and $\\mathrm{B_{\\Lambda}}$","name":"Table 1"}],"identifier":[{"@type":"PropertyValue","propertyID":"HEPDataRecord","value":"https://www.hepdata.net/record/ins2152211?version=1"},{"@type":"PropertyValue","propertyID":"HEPDataRecordAlt","value":"https://www.hepdata.net/record/142234"}],"inLanguage":"en","name":"Measurement of the lifetime and $\\Lambda$ separation energy of $^{3}_{\\Lambda}\\mathrm H$","provider":{"@type":"Organization","name":"HEPData"},"publisher":{"@type":"Organization","name":"HEPData"},"url":"https://www.hepdata.net/record/ins2152211?version=1","version":1}