First NNLO QCD short-distance coefficients for the ³S₁⁽⁸⁾ gluon fragmentation function are obtained numerically to high precision, with analytic endpoint logarithms reconstructed for threshold resummation.
Gaoet al.,Simultaneous determination of fragmentation functions and test on momentum sum rule, Phys
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Non-singlet fragmentation functions of pions and kaons are determined at NNLO QCD from charge asymmetry measurements in e+e- annihilation and SIDIS, yielding a scaling index of 0.7 and strangeness suppression of 0.5.
Charged-hadron distributions in heavy-flavor jets differ from light-quark jets in ways consistent with dead-cone suppression and hard fragmentation of the heavy hadron.
Global QCD fit at NLO and NNLO extracts unidentified charged-hadron fragmentation functions from SIA plus modern COMPASS SIDIS multiplicities, producing publicly available HAPS-hFF1.0 replicas with improved light-quark constraints.
The ISO-BREAK 25 workshop report summarizes evidence and discussions on unexplained isospin symmetry breaking in nucleus-nucleus collisions and sets priorities for further work.
citing papers explorer
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Next-to-next-to-leading-order QCD corrections to ${}^3S_1^{(8)}$ gluon fragmentation function for quarkonium
First NNLO QCD short-distance coefficients for the ³S₁⁽⁸⁾ gluon fragmentation function are obtained numerically to high precision, with analytic endpoint logarithms reconstructed for threshold resummation.
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Determination of Fragmentation Functions from Charge Asymmetries in Hadron Production
Non-singlet fragmentation functions of pions and kaons are determined at NNLO QCD from charge asymmetry measurements in e+e- annihilation and SIDIS, yielding a scaling index of 0.7 and strangeness suppression of 0.5.
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Measurement of charged-hadron distributions in heavy-flavor jets in proton-proton collisions at $\sqrt{s}$=13 TeV
Charged-hadron distributions in heavy-flavor jets differ from light-quark jets in ways consistent with dead-cone suppression and hard fragmentation of the heavy hadron.
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Revisiting Unidentified Charged-Hadron Fragmentation Functions with Modern COMPASS SIDIS Multiplicities
Global QCD fit at NLO and NNLO extracts unidentified charged-hadron fragmentation functions from SIA plus modern COMPASS SIDIS multiplicities, producing publicly available HAPS-hFF1.0 replicas with improved light-quark constraints.
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Isospin-symmetry violation -- kaons and beyond (ISO-BREAK 25: summary and outlook)
The ISO-BREAK 25 workshop report summarizes evidence and discussions on unexplained isospin symmetry breaking in nucleus-nucleus collisions and sets priorities for further work.