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pro vyhledávání: '"Romero, José Ángel"'
Our charm program uses a mixed action with twisted-mass valence quarks over non-perturbatively improved Wilson sea quarks, in order to study various quantities in a relativistic and manifestly local framework of full QCD. The sea sector consists of $
Externí odkaz:
http://arxiv.org/abs/2112.03047
Autor:
Frison, Julien, Bussone, Andrea, Herdoíza, Gregorio, Pena, Carlos, Romero, Jose Ángel, Ugarrio, Javier
The first phase of a heavy quark program based on twisted mass valence quarks has been presented at last years's lattice conference. The CLS $N_f=2+1$ ensembles were used for their fine lattice spacing, while twisting the masses is expected to reduce
Externí odkaz:
http://arxiv.org/abs/1911.02412
Autor:
Bussone, Andrea, Herdoíza, Gregorio, Pena, Carlos, Preti, David, Romero, José Ángel, Ugarrio, Javier
A mixed action composed of valence quark flavours regularized with a fully-twisted tmQCD action and of $N_f=2+1$ flavours of non-perturbatively ${\rm O}(a)$-improved Wilson sea quarks is described. Two procedures for the matching of sea and valence q
Externí odkaz:
http://arxiv.org/abs/1903.00286
Autor:
Bussone, Andrea, Herdoíza, Gregorio, Pena, Carlos, Preti, David, Romero, José Ángel, Ugarrio, Javier
We present preliminary results in the charm sector from a mixed-action setup, in which CLS $N_f=2+1$ ensembles are combined with a Wilson twisted mass valence action. We study the continuum and chiral limits of charm quark observables such as the dec
Externí odkaz:
http://arxiv.org/abs/1812.05458
Autor:
Bussone, Andrea, Chaves, Sergio, Herdoíza, Gregorio, Pena, Carlos, Preti, David, Romero, José Ángel, Ugarrio, Javier
We introduce a mixed-action approach based on CLS ensembles, where a valence $N_f$=2+1+1 Twisted Mass QCD action is combined with the $N_f$=2+1 non-perturbatively O$(a)$-improved Wilson sea sector. We show that for maximally twisted valence quarks, t
Externí odkaz:
http://arxiv.org/abs/1812.01474
Akademický článek
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We discuss a mixed-action approach in which sea quarks are regularised using non-perturbatively ${\rm O}(a)$ improved Wilson fermions, while a fully-twisted tmQCD action is used for valence quarks. In this setup, automatic ${\rm O}(a)$ improvement is
Externí odkaz:
http://arxiv.org/abs/1711.06017
Publikováno v:
Agronomy; Aug2024, Vol. 14 Issue 8, p1613, 15p
Akademický článek
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Publikováno v:
EPJ Web of Conferences, Vol 175, p 13018 (2018)
We discuss a mixed-action approach in which sea quarks are regularised using non-perturbatively O(a) improved Wilson fermions, while a fully-twisted tmQCD action is used for valence quarks. In this setup, automatic O(a) improvement is preserved for v
Externí odkaz:
https://doaj.org/article/f187ef92f2c643e78660ad34bd7f1961