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001     843620
005     20210129232616.0
024 7 _ |a 10.1103/PhysRevD.96.114509
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082 _ _ |a 530
100 1 _ |a Chambers, A. J.
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245 _ _ |a Electromagnetic form factors at large momenta from lattice QCD
260 _ _ |a Woodbury, NY
|c 2017
|b Inst.
264 _ 1 |3 online
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|b American Physical Society (APS)
|c 2017-12-26
264 _ 1 |3 print
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|b American Physical Society (APS)
|c 2017-12-01
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520 _ _ |a Accessing hadronic form factors at large momentum transfers has traditionally presented a challenge for lattice QCD simulations. Here, we demonstrate how a novel implementation of the Feynman-Hellmann method can be employed to calculate hadronic form factors in lattice QCD at momenta much higher than previously accessible. Our simulations are performed on a single set of gauge configurations with three flavors of degenerate mass quarks corresponding to mπ≈470  MeV. We are able to determine the electromagnetic form factors of the pion and nucleon up to approximately 6  GeV2, with results for the ratio of the electric and magnetic form factors of the proton at our simulated quark mass agreeing well with experimental results.
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536 _ _ |a Hadron physics using background fields (hlz22_20161101)
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542 _ _ |i 2017-12-26
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700 1 _ |a Dragos, J.
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700 1 _ |a Horsley, R.
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700 1 _ |a Nakamura, Y.
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700 1 _ |a Perlt, H.
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700 1 _ |a Pleiter, D.
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700 1 _ |a Rakow, P. E. L.
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700 1 _ |a Schierholz, G.
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700 1 _ |a Schiller, A.
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700 1 _ |a Somfleth, K.
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700 1 _ |a Stüben, H.
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700 1 _ |a Young, R. D.
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700 1 _ |a Zanotti, J. M.
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773 1 8 |a 10.1103/physrevd.96.114509
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|t Physical Review D
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|y 2017
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773 _ _ |a 10.1103/PhysRevD.96.114509
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