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29 papers · 1 filter
Hadron spin structure from lattice QCD
Constantia Alexandrou
We present results on the spin carried by quarks and gluons in the nucleon using lattice QCD simulations with physical values of the light, strange and charm quark masses. We also…
Experimental and theoretical studies of the gas-phase reactions of O(D) with HO and DO at low temperature
Kevin Hickson, Somnath Bhowmick, Yury Suleimanov +2
Here we report the results of an experimental and theoretical study of the gas-phase reactions between O(D) and HO and O(D) and DO at room temperature and below. On…
Pion-pole contribution to HLbL from twisted mass lattice QCD at the physical point
Sebastian Burri, Constantia Alexandrou, Simone Bacchio +13
We report on our computation of the pion transition form factor from twisted mass lattice QCD in order to determine the numerically dominant light…
Dimensional Expressivity Analysis, best-approximation errors, and automated design of parametric quantum circuits
Lena Funcke, Tobias Hartung, Karl Jansen +3
The design of parametric quantum circuits (PQCs) for efficient use in variational quantum simulations (VQS) is subject to two competing factors. On one hand, the set of states that…
Machine Learning of Thermodynamic Observables in the Presence of Mode Collapse
Kim A. Nicoli, Christopher Anders, Lena Funcke +5
Estimating the free energy, as well as other thermodynamic observables, is a key task in lattice field theories. Recently, it has been pointed out that deep generative models can b…
The scalar, vector and tensor form factors for the pion and kaon from lattice QCD
Constantia Alexandrou, Simone Bacchio, Ian Cloet +6
We present a calculation of the scalar, vector, and tensor form factors for the pion and kaon in lattice QCD. We use an ensemble of two degenerate light, a strange and a charm quar…