First chiral EFT extraction of the deuteron gravitational form factors; D2 and D3 disagree with model calculations, notably D3 is finite at q=0.
The magnetic form factor of the deuteron in chiral effective field theory
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abstract
We calculate the magnetic form factor of the deuteron up to O(eP^4) in the chiral EFT expansion of the electromagnetic current operator. The two LECs which enter the two-body part of the isoscalar NN three-current operator are fit to experimental data, and the resulting values are of natural size. The O(eP^4) description of G_M agrees with data for momentum transfers Q^2 < 0.35 GeV^2.
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Gravitational form factors of the deuteron
First chiral EFT extraction of the deuteron gravitational form factors; D2 and D3 disagree with model calculations, notably D3 is finite at q=0.