{"@context":"http://schema.org","@id":"https://doi.org/10.17182/hepdata.167195.v1","@reverse":{"isBasedOn":[{"@type":"ScholarlyArticle","identifier":{"@type":"PropertyValue","propertyID":"URL","value":"https://inspirehep.net/literature/2964522"}},{"@id":"https://doi.org/10.1140/epjc/s10052-025-15095-9","@type":"JournalArticle"}]},"@type":"Dataset","additionalType":"Collection","author":{"@type":"Organization","name":"ALICE Collaboration"},"creator":{"@type":"Organization","name":"ALICE Collaboration"},"datePublished":"2025","description":"The first measurement of $\\Sigma^{+}$ production at the LHC is presented. The measurement is performed at midrapidity in both minimum-bias and high-multiplicity pp collisions at $\\sqrt{{s}}=13~\\mathrm{{TeV}}$. The $\\Sigma^{+}$ is reconstructed via its weak-decay topology in the decay channel $\\Sigma^{+} \\rightarrow \\rm{p} + \\pi^{0}$ with $\\pi^{0} \\rightarrow \\gamma + \\gamma$. In a novel approach, the neutral pion is reconstructed by combining photons that convert in the detector material with photons measured in the calorimeters. The transverse-momentum ($p_{\\rm T}$) distributions of the $\\Sigma^{+}$ and its rapidity densities ${\\rm d}N$/${\\rm d}y$ in both event classes are reported. The $p_{\\rm T}$ spectrum in minimum-bias collisions is compared to QCD-inspired event generators. The ratio of $\\Sigma^{+}$ to previously measured $\\Lambda$ baryons is in good agreement with calculations from the Statistical Hadronization Model. The high efficiency and purity of the novel reconstruction method for $\\Sigma^{+}$ presented here will enable future studies of the interaction of $\\Sigma^{+}$ with protons in the context of femtoscopic measurements, which could be crucial for understanding the equation of state of neutron stars.","hasPart":[{"@id":"https://doi.org/10.17182/hepdata.167195.v1/t1","@type":"Dataset","description":"$p_\\mathrm{T}$-differential production yield of $\\Sigma^+$ and $\\bar{\\Sigma}^-$ baryons in the high-multiplicity triggered pp collisions at $\\sqrt{{s}}=13~\\mathrm{{TeV}}$ in the rapidity interval...","name":"Table 1"},{"@id":"https://doi.org/10.17182/hepdata.167195.v1/t2","@type":"Dataset","description":"$p_\\mathrm{T}$-differential production yield of $\\Sigma^+$ and $\\bar{\\Sigma}^-$ baryons in the minimum-bias triggered pp collisions at $\\sqrt{{s}}=13~\\mathrm{{TeV}}$ in the rapidity interval...","name":"Table 2"}],"identifier":[{"@type":"PropertyValue","propertyID":"HEPDataRecord","value":"https://www.hepdata.net/record/ins2964522?version=1"},{"@type":"PropertyValue","propertyID":"HEPDataRecordAlt","value":"https://www.hepdata.net/record/167195"}],"inLanguage":"en","name":"$\\Sigma^{+}$ production in pp collisions at $\\sqrt{s} = 13$ TeV","provider":{"@type":"Organization","name":"HEPData"},"publisher":{"@type":"Organization","name":"HEPData"},"url":"https://www.hepdata.net/record/ins2964522?version=1","version":1}