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Gravitational form factors of pion in a nonlocal quark model
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Gravitational form factors of pion in a nonlocal quark model
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Interaction with external gravitational field is introduced into a nonlocal quark model using the equivalence principle. This allows to define the energy-momentum tensor in flat space and evaluate its hadronic matrix element with external pions. It is found that bubble diagrams give a significant contribution to the corresponding gravitational form factors.
Forward citations
Cited by 1 Pith paper
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Gravitational form factors of the pion in light-front holographic QCD
An effective light-front wave function whose five-dimensional piece comes from holographic QCD yields pion gravitational form factors A(Q^{2}) and D(Q^{2}) that match lattice results after parameter tuning.
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