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000474782 088__ $$2arXiv$$aarXiv:2201.06519
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000474782 1112_ $$a19th International Conference on Hadron Spectroscopy and Structure$$cMexico City$$d2021-07-26 - 2021-08-01$$gHADRON 2021$$wMexico
000474782 245__ $$aProton generalized parton distributions from lattice QCD
000474782 260__ $$aCiudad de México$$bSociedad Mexicana de Física$$c2022
000474782 300__ $$a6
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000474782 500__ $$aInvited talk at the Hadron 2021 conference. 7 pages, 4 figures
000474782 520__ $$aMomentum and spatial distributions of quarks and gluons inside hadrons are typically encoded in the so-called generalized parton distributions (GPDs). GPDs are multi-dimensional quantities that are very challenging to extract, both experimentally and within lattice QCD. We present the first lattice results on the $x$-dependence of isovector unpolarized, helicity and transversity GPDs of the proton, obtained from lattice QCD using an ensemble of $N_f=2+1+1$ maximally twisted mass fermions, with pion mass $M_\pi=260$ MeV and lattice spacing $a\simeq 0.093$ fm. Our calculations use the quasi-distribution formalism and the final distributions are presented in the MS-bar scheme at a renormalization scale of 2 GeV.
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000474782 650_7 $$2INSPIRE$$ap: generalized parton distribution
000474782 650_7 $$2INSPIRE$$aparton: distribution function
000474782 650_7 $$2INSPIRE$$ageneralized parton distribution: transversity
000474782 650_7 $$2INSPIRE$$aquark: spatial distribution
000474782 650_7 $$2INSPIRE$$afermion: mass: twist
000474782 650_7 $$2INSPIRE$$api: mass
000474782 650_7 $$2INSPIRE$$ascale: renormalization
000474782 650_7 $$2INSPIRE$$alattice field theory
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000474782 650_7 $$2autogen$$aLattice QCD
000474782 650_7 $$2autogen$$anucleon structure
000474782 650_7 $$2autogen$$ageneralized parton distributions
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000474782 7001_ $$0P:(DE-HGF)0$$aAlexandrou, Constantia$$b1
000474782 7001_ $$0P:(DE-HGF)0$$aCichy, Krzysztof$$b2
000474782 7001_ $$0M.Constantinou.1$$aConstantinou, Martha$$b3
000474782 7001_ $$0K.Hadjiyiannakou.10$$aHadjiyiannakou, Kyriakos$$b4
000474782 7001_ $$0P:(DE-H253)PIP1003636$$aJansen, Karl$$b5$$eCorresponding author
000474782 7001_ $$0P:(DE-H253)PIP1020874$$aSteffens, Fernanda$$b6
000474782 773__ $$0PERI:(DE-600)3114071-3$$a10.31349/SuplRevMexFis.3.0308104$$gVol. 3, no. 3$$n3$$p0308104$$tSuplemento de la revista mexicana de física$$v3$$x2683-2585$$y2022
000474782 7870_ $$0PUBDB-2022-06436$$aScapellato, Aurora et.al.$$d2022$$iIsParent$$rarXiv:2201.06519$$tProton generalized parton distributions from lattice QCD
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