The anti-k_t algorithm yields conical jets with equal active and passive areas, zero area anomalous dimensions, rigid-boundary non-global logarithms, and a universal Milan factor, serving as an IRC-safe substitute for the iterative cone algorithm.
Away-from-jet energy flow
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abstract
We consider interjet observables in hard QCD processes given by the energy flow E_out in a region away from all hard jets. Here the QCD radiation is depleted (E_out << Q), and therefore these observables provide ideal means to study non-perturbative effects. We derive an evolution equation (in the large N_c limit) which resums, for large Q/E_out, all leading terms arising from large angle soft emission (double logarithms are absent). We discuss the analytical features of the result and identify universal and geometry-dependent contributions. Our analysis confirms features found using numerical methods by Dasgupta and Salam.
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Nested-GPT is an autoregressive Transformer surrogate that generates variable-multiplicity parton showers while enforcing ordered Markovian branching and matches reference Monte Carlo results for leading-log non-global logarithm resummation in the large-Nc limit.
PanScales final-state showers now include quark masses at NLL accuracy while keeping original accuracy for massless observables.
citing papers explorer
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The anti-k_t jet clustering algorithm
The anti-k_t algorithm yields conical jets with equal active and passive areas, zero area anomalous dimensions, rigid-boundary non-global logarithms, and a universal Milan factor, serving as an IRC-safe substitute for the iterative cone algorithm.
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Nested-GPT for variable-multiplicity parton showers: A case study in the resummation of non-global logarithms
Nested-GPT is an autoregressive Transformer surrogate that generates variable-multiplicity parton showers while enforcing ordered Markovian branching and matches reference Monte Carlo results for leading-log non-global logarithm resummation in the large-Nc limit.
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Logarithmically-accurate showers with massive quarks
PanScales final-state showers now include quark masses at NLL accuracy while keeping original accuracy for massless observables.
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