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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Gross et al.,50 Years of Quantum Chromodynamics,Eur
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The all-loop bare perturbative part of the four-quark Bethe-Salpeter kernel is computed analytically in the large-Nf limit of massless QCD.
Gravitational form factors of pion and kaon are computed in BLFQ; A(Q^2) agrees with lattice QCD while D(Q^2) is enhanced at low Q^2 due to small-x and zero-mode sensitivity in the truncated model.
Proposes jet correlation observables to discriminate QCD instanton processes from perturbative hard scattering in LHC pp collisions, with energy constraints derived from instanton size and separation calculations in 2+1 flavor QCD.
A modification to the Laplace transform of the quark propagator is introduced in a nonlocal model to align confining and deconfining regimes, allowing computation of meson screening masses over a wide temperature range and pole masses up to the transition.
Coupled-channel calculations show Pc and Pcs states as molecular bound states with RMS radii 0.5-2 fm when heavy-quark spin symmetry is respected across all channels.
Lattice QCD finds evidence for effective U(1)_A symmetry restoration at 319(22) MeV, well above the chiral crossover.
citing papers explorer
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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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All-loop four-quark Bethe-Salpeter kernel
The all-loop bare perturbative part of the four-quark Bethe-Salpeter kernel is computed analytically in the large-Nf limit of massless QCD.
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Gravitational form factors of light mesons from Basis Light-Front Quantization
Gravitational form factors of pion and kaon are computed in BLFQ; A(Q^2) agrees with lattice QCD while D(Q^2) is enhanced at low Q^2 due to small-x and zero-mode sensitivity in the truncated model.
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Probing QCD instantons using jet correlation observables in proton-proton collisions at the LHC
Proposes jet correlation observables to discriminate QCD instanton processes from perturbative hard scattering in LHC pp collisions, with energy constraints derived from instanton size and separation calculations in 2+1 flavor QCD.
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Mesonic modes in confining model at finite temperature
A modification to the Laplace transform of the quark propagator is introduced in a nonlocal model to align confining and deconfining regimes, allowing computation of meson screening masses over a wide temperature range and pole masses up to the transition.
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Study of the molecular Properties of the $P_c$ and $P_{cs}$ States
Coupled-channel calculations show Pc and Pcs states as molecular bound states with RMS radii 0.5-2 fm when heavy-quark spin symmetry is respected across all channels.
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On the effective restoration of $U(1)_A$ symmetry at finite temperature
Lattice QCD finds evidence for effective U(1)_A symmetry restoration at 319(22) MeV, well above the chiral crossover.