K0S & Λ Production in ALICE

14th International Conference on Strangeness in Quark Matter

Hanratty, Luke^1

School of Physics and Astronomy, University of Birmingham, B15 2TT Edgbaston, Birmingham, United Kingdom^1

关键词: Decay channels;    Decay topology;    Mid-rapidity;    Particle identifications;    Pb-Pb collisions;    Pp collisions;    Production yield;    Transverse momenta;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/509/1/012091/pdf
DOI  :  10.1088/1742-6596/509/1/012091

来源: IOP

【 摘 要 】

The production of Λ and K0shadrons at the LHC can be measured through the reconstruction of their weak decay topologies via decay channels with only charged particles in the final state. The tracking and particle identification capabilities of the ALICE detector allow us to measure the spectra of these particles over a wide transverse momentum range (0.4 T0s. Transverse momentum spectra and production yields at mid-rapidity (|y| 0sare presented for = 2.76 TeV Pb-Pb collisions as a function of centrality. The evolution of the Λ/K0sratio is discussed, in comparison with corresponding results in pp collisions at the LHC and in 200 GeV Au-Au collisions at RHIC. Comparisons to theoretical models will also be outlined.