SCOAP3 Repository 10 records found  Search took 0.02 seconds. 
1. A Guide to Light-Cone PDFs from Lattice QCD: An Overview of Approaches, Techniques, and Results / Constantinou, Martha ; Cichy, Krzysztof
Within the theory of Quantum Chromodynamics (QCD), the rich structure of hadrons can be quantitatively characterized, among others, using a basis of universal nonperturbative functions: parton distribution functions (PDFs), generalized parton distributions (GPDs), transverse momentum dependent parton distributions (TMDs), and distribution amplitudes (DAs). [...]
Published in Advances in High Energy Physics 2019 (2019) 3036904 10.1155/2019/3036904 arXiv:1811.07248
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2. Transversity parton distribution functions from lattice QCD / Alexandrou, Constantia ; Cichy, Krzysztof ; Constantinou, Martha ; Jansen, Karl ; et al
We present the first direct calculation of the renormalized transversity parton distribution function within the nucleon from lattice QCD. [...]
Published in Physical Review D 98 (2018) 10.1103/PhysRevD.98.091503 arXiv:1807.00232
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3. Light-Cone Parton Distribution Functions from Lattice QCD / Alexandrou, Constantia ; Cichy, Krzysztof ; Constantinou, Martha ; Jansen, Karl ; et al
We extract parton distribution functions (PDFs) of the nucleon from lattice QCD using an ensemble of gauge field configurations simulated with light quark masses fixed to their physical values. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.112001 arXiv:1803.02685
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4. Topological susceptibility from twisted mass fermions using spectral projectors and the gradient flow / Alexandrou, Constantia ; Athenodorou, Andreas ; Cichy, Krzysztof ; Constantinou, Martha ; et al
We compare lattice QCD determinations of topological susceptibility using a gluonic definition from the gradient flow and a fermionic definition from the spectral-projector method. [...]
Published in Phys. Rev. D 97 (2018) 10.1103/PhysRevD.97.074503 arXiv:1709.06596
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5. A complete non-perturbative renormalization prescription for quasi-PDFs / Alexandrou, Constantia ; Cichy, Krzysztof ; Constantinou, Martha ; Hadjiyiannakou, Kyriakos ; et al
In this work we present, for the first time, the non-perturbative renormalization for the unpolarized, helicity and transversity quasi-PDFs, in an RI′ scheme. [...]
Published in Nuclear Physics B (2017) 10.1016/j.nuclphysb.2017.08.012
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6. Non-perturbative running of renormalization constants from correlators in coordinate space using step scaling / Cichy, Krzysztof ; Jansen, Karl ; Korcyl, Piotr
Working in a quenched setup with Wilson twisted mass valence fermions, we explore the possibility to compute non-perturbatively the step scaling function using the coordinate (X-space) renormalization scheme. [...]
Published in Nuclear Physics B (2016) 10.1016/j.nuclphysb.2016.09.015
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7. Non-perturbative test of the Witten-Veneziano formula from lattice QCD / Cichy, Krzysztof ; Garcia-Ramos, Elena ; Jansen, Karl ; Ottnad, Konstantin ; et al
We compute both sides of the Witten-Veneziano formula using lattice techniques. [...]
Published in JHEP 1509 (2015) 020 10.1007/JHEP09(2015)020 arXiv:1504.07954
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8. Short distance singularities and automatic O(a) improvement: the cases of the chiral condensate and the topological susceptibility / Cichy, Krzysztof ; Garcia-Ramos, Elena ; Jansen, Karl
Short-distance singularities in lattice correlators can modify their Symanzik expansion by leading to additional O( a ) lattice artifacts. [...]
Published in JHEP 1504 (2015) 048 10.1007/JHEP04(2015)048 arXiv:1412.0456
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9. Quark mass anomalous dimension and Λ MS ¯ $$ {\varLambda}_{\overline{\mathrm{MS}}} $$ from the twisted mass Dirac operator spectrum / Krzysztof Cichy
We investigate whether it is possible to extract the quark mass anomalous dimension and its scale dependence from the spectrum of the twisted mass Dirac operator in Lattice QCD. [...]
Published in JHEP 1408 (2014) 127 10.1007/JHEP08(2014)127 arXiv:1311.3572
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10. Topological susceptibility from the twisted mass Dirac operator spectrum / Krzysztof Cichy ; Elena Garcia-Ramos ; Karl Jansen
We present results of our computation of the topological susceptibility with N f = 2 and N f = 2 + 1 + 1 flavours of maximally twisted mass fermions, using the method of spectral projectors. [...]
Published in JHEP 1402 (2014) 119 10.1007/JHEP02(2014)119 arXiv:1312.5161
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1 Cichy, K.
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