Výsledky vyhledávání - "clover [fermion]"

Electromagnetic contribution to Σ-Λ mixing using lattice QCD+QED

Autor: Kordov, Z. R., Horsley, R., Nakamura, Y., Perlt, H., Rakow, P. E. L., Schierholz, Gerrit, Stüben, H., Young, R. D., Zanotti, J. M.

Publikováno v: Kordov, Z R, Horsley, R, Nakamura, Y, Perlt, H, Rakow, P E L, Schierholz, G, Stüben, H, Young, R D & Zanotti, J M 2020, ' Electromagnetic contribution to Σ-Λ mixing using lattice QCD+QED ', Physical Review D-Particles, Fields, Gravitation and Cosmology, vol. 101, no. 3, 034517 . https://doi.org/10.1103/PhysRevD.101.034517
Physical Review
Physical review / D 101(3), 034517 (2020). doi:10.1103/PhysRevD.101.034517

Mixing in the Σ0–Λ0 system is a direct consequence of broken isospin symmetry and is a measure of both isospin-symmetry breaking as well as general SU(3)-flavor symmetry breaking. In this work we present a new scheme for calculating the extent of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b0d92054830cf06fd22a58811e2143c0
https://www.pure.ed.ac.uk/ws/files/133719924/1911.02186.pdf

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Non-perturbative renormalization of $O(a)$ improved tensor currents

Autor: Chimirri, Leonardo, Fritzsch, Patrick, Heitger, Jochen, Joswig, Fabian, Panero, Marco, Pena, Carlos, Preti, David, ALPHA Collaboration

Publikováno v: Proceedings of 37th International Symposium on Lattice Field Theory — PoS(LATTICE2019)
Proceedings of Science / International School for Advanced Studies (LATTICE2019), 212 (2020). doi:10.22323/1.363.0212
37th International Symposium on Lattice Field Theory, Lattice 2019, Wuhan, China, 2019-06-16-2019-06-22

37th International Symposium on Lattice Field Theory, Lattice 2019, Wuhan, China, 16 Jun 2019 - 22 Jun 2019; Proceedings of Science / International School for Advanced Studies (LATTICE2019), 212 (2020). doi:10.22323/1.363.0212
We present our pro

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Erratum to: Symanzik improvement with dynamical charm: a 3+1 scheme for Wilson quarks

Autor: Fritzsch, Patrick, Sommer, Rainer, Stollenwerk, Felix, Wolff, Ulli, ALPHA Collaboration

Publikováno v: Journal of high energy physics 2020(10), 165 (1-2) (2020). doi:10.1007/JHEP10(2020)165
Journal of High Energy Physics, Vol 2020, Iss 10, Pp 1-2 (2020)
Journal of High Energy Physics

Journal of high energy physics 2020(10), 165 (1-2) (2020). doi:10.1007/JHEP10(2020)165
We discuss the problem of lattice artefacts in QCD simulations enhanced by the introduction of dynamical charmed quarks. In particular, we advocate the use of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b65fc21ab53580e580b7e220a7252280
https://bib-pubdb1.desy.de/record/453985

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Nucleon axial, scalar, and tensor charges using lattice QCD at the physical pion mass

Autor: Sergey Syritsyn, Nesreen Hasan, Andrew Pochinsky, Jeremy Green, Stefan Krieg, John W. Negele, Stefan Meinel, Michael Engelhardt

Publikováno v: Physical Review
Physical review / D 99(11), 114505 (2019). doi:10.1103/PhysRevD.99.114505

We report on lattice QCD calculations of the nucleon isovector axial, scalar, and tensor charges. Our calculations are performed on two 2+1-flavor ensembles generated using a 2-HEX-smeared Wilson-clover action at the physical pion mass and lattice sp

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http://repo.scoap3.org/api

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Numerical Results for the Lightest Bound States in N=1 Supersymmetric SU(3) Yang-Mills Theory

Autor: Gernot Münster, Henning Gerber, Georg Bergner, Philipp Scior, Sajid Ali, Stefano Piemonte, Istvan Montvay

Publikováno v: Physical review letters 122(22), 221601 (2019). doi:10.1103/PhysRevLett.122.221601
Physical Review Letters

The physical particles in supersymmetric Yang-Mills theory (SYM) are bound states of gluons and gluinos. We have determined the masses of the lightest bound states in SU(3) $\mathcal{N}=1$ SYM. Our simulations cover a range of different lattice spaci

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12f2331b18ee0fb0b049800aec32c5e1
https://pubmed.ncbi.nlm.nih.gov/31283264

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Isospin splittings in the decuplet baryon spectrum from dynamical QCD + QED

Autor: Roger Horsley, Ross D. Young, Dirk Pleiter, Yoshifumi Nakamura, James Zanotti, Z. Koumi, H. Stüben, Holger Perlt, Gerrit Schierholz, Paul E.L. Rakow, Arwed Schiller

Publikováno v: Journal of physics / G G, Nuclear and particle physics 46(11), 115004-(2019). doi:10.1088/1361-6471/ab32c1
Horsley, R, Koumi, Z, Nakamura, Y, Perlt, H, Pleiter, D, Rakow, P E L, Schierholz, G, Schiller, A, Stüben, H, Young, R D & Zanotti, J M 2019, ' Isospin splittings in the decuplet baryon spectrum from dynamical QCD+QED ', Journal of Physics G: Nuclear and Particle Physics . https://doi.org/10.1088/1361-6471/ab32c1
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
Journal of physics / G 46(11), 115004-(2019). doi:10.1088/1361-6471/ab32c1

We report a new analysis of the isospin splittings within the decuplet baryon spectrum. Our numerical results are based upon five ensembles of dynamical QCD+QED lattices. The analysis is carried out within a flavour-breaking expansion which encodes t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1b5e39e20143051d7a4eaa58322fd361
https://hdl.handle.net/2128/23946

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The leading hadronic vacuum polarization contribution to the muon anomalous magnetic moment using $N_f = 2+1$ O($a$) improved Wilson quarks

Autor: Marco Cè, Daniel Mohler, Antoine Gérardin, Hartmut Wittig, Georg von Hippel, Jonas Wilhelm, Harvey B. Meyer, Konstantin Ottnad, Ben Hörz

Publikováno v: Proceedings of Science / International School for Advanced Studies (LATTICE2019), 110 (2019). doi:10.22323/1.363.0110
37th International Symposium on Lattice Field Theory, Lattice 2019, Wuhan, China, 2019-06-16-2019-06-22

37th International Symposium on Lattice Field Theory, Lattice 2019, Wuhan, China, 16 Jun 2019 - 22 Jun 2019; Proceedings of Science / International School for Advanced Studies (LATTICE2019), 110 (2019). doi:10.22323/1.363.0110
We present a latti

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