Yayınlanmış 1 Ocak 2023 | Sürüm v1
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Measurements of Normalized Differential Cross Sections of Inclusive ${\pi }^{0}$ and ${K}_{S}^{0}$ Production in ${e}^{+}{e}^{-}$ Annihilation at Energies from 2.2324 to 3.6710 GeV

Oluşturanlar

  • 1. CERN

Açıklama

Based on electron positron collision data collected with the BESIII detector operating at the BEPCII storage rings, the differential cross sections of inclusive ${\pi }^{0}$ and ${K}_{S}^{0}$ production as a function of hadron momentum, normalized by the total cross section of the ${e}^{+}{e}^{-}\to \mathrm{hadrons}$ process, are measured at six center-of-mass energies from 2.2324 to 3.6710 GeV. Our results, which cover a relative hadron energy range from 0.1 to 0.9, significantly deviate from several theoretical calculations based on existing fragmentation functions.

Dosyalar

PhysRevLett.130.231901.pdf

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