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dc.creatorAbdel-Rehim, A
dc.creatorAlexandrou, C
dc.creatorBurger, F
dc.creatorConstantinou, M
dc.creatorDimopoulos, P
dc.creatorFrezzotti, R
dc.creatorHadjiyiannakou, K
dc.creatorHelmes, C
dc.creatorJansen, K
dc.creatorJost, C
dc.creatorKallidonis, C
dc.creatorKnippschild, B
dc.creatorKostrzewa, B
dc.creatorKoutsou, G
dc.creatorLiu, L
dc.creatorMangin-Brinet, M
dc.creatorOttnad, K
dc.creatorPetschlies, M
dc.creatorPientka, G
dc.creatorRossi, GC
dc.creatorUrbach, C
dc.creatorWenger, U
dc.creatorWerner, M
dc.date.accessioned2021-02-03T00:24:46Z
dc.date.available2021-02-03T00:24:46Z
dc.date.issued2017-05-01
dc.identifier.issn2470-0010
dc.identifier.issn2470-0029
dc.identifier.doihttp://dx.doi.org/10.34944/dspace/5676
dc.identifier.otherEW4LA (isidoc)
dc.identifier.urihttp://hdl.handle.net/20.500.12613/5694
dc.description.abstract© 2017 American Physical Society. We present physics results from simulations of QCD using Nf=2 dynamical Wilson twisted mass fermions at the physical value of the pion mass. These simulations are enabled by the addition of the clover term to the twisted mass quark action. We show evidence that compared to previous simulations without this term, the pion mass splitting due to isospin breaking is almost completely eliminated. Using this new action, we compute the masses and decay constants of pseudoscalar mesons involving the dynamical up and down as well as valence strange and charm quarks at one value of the lattice spacing, a≈0.09 fm. Further, we determine renormalized quark masses as well as their scale-independent ratios, in excellent agreement with other lattice determinations in the continuum limit. In the baryon sector, we show that the nucleon mass is compatible with its physical value and that the masses of the Δ baryons do not show any sign of isospin breaking. Finally, we compute the electron, muon and tau lepton anomalous magnetic moments and show the results to be consistent with extrapolations of older ETMC data to the continuum and physical pion mass limits. We mostly find remarkably good agreement with phenomenology, even though we cannot take the continuum and thermodynamic limits.
dc.format.extent094515-
dc.language.isoen
dc.relation.haspartPhysical Review D
dc.relation.isreferencedbyAmerican Physical Society (APS)
dc.subjecthep-lat
dc.subjecthep-lat
dc.titleFirst physics results at the physical pion mass from Nf=2 Wilson twisted mass fermions at maximal twist
dc.typeArticle
dc.type.genreJournal Article
dc.relation.doi10.1103/PhysRevD.95.094515
dc.ada.noteFor Americans with Disabilities Act (ADA) accommodation, including help with reading this content, please contact scholarshare@temple.edu
dc.date.updated2021-02-03T00:24:43Z
refterms.dateFOA2021-02-03T00:24:47Z


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