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1061por Marshall, Michael, Boyle, Peter, Del Debbio, Luigi, Erben, Felix, Flynn, Jonathan, Jüttner, Andreas, Portelli, Antonin, Tsang, Justus Tobias, Witzel, Oliver“…We present the status of our project to calculate $D \to \pi \ell \nu$, $D \to K \ell \nu$ and $D_s \to K \ell \nu$ semileptonic form factors using domain wall fermions for both heavy and light quarks. Our computations are performed using RBC/UKQCD's set of 2+1 flavour domain wall fermion and Iwasaki gauge field ensembles. …”
Publicado 2022
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1062
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1063por de Divitiis, Giulia Maria, Fritzsch, Patrick, Heitger, Jochen, Köster, Carl Christian, Kuberski, Simon, Vladikas, Anastassios“…Our results, which cover the typical gauge coupling range of large-volume $N_\mathrm{f}=2+1$ QCD simulations with Wilson fermions at lattice spacings below $0.1\,\mathrm{fm}$ , are of particular use for the non-perturbative calculation of $\mathrm{O}(a)$ improved renormalised quark masses.…”
Publicado 2019
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1064
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1065
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1066
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1067por Koželj, P., Juckel, M., Amon, A., Prots, Yu., Ormeci, A., Burkhardt, U., Brando, M., Leithe-Jasper, A., Grin, Yu., Svanidze, E.Enlace del recurso
Publicado 2021
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Online Artículo Texto -
1068por Suzuki, Hiroshi“…The Weyl fermion belonging to the real representation of the gauge group provides a simple illustrative example for L\"uscher's gauge-invariant lattice formulation of chiral gauge theories. …”
Publicado 2000
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1069“…Dynamical symmetry breaking in three-dimensional QED with N fermion flavours is considered at finite temperature, in the large $N$ approximation. …”
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1070“…We study 2 --> n inelastic fermion-(anti)fermion scattering into multiple longitudinal weak gauge bosons and derive universal upper bounds on the scales of fermion mass generation by imposing unitarity of the S-matrix. …”
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1071“…We summarize our recent study of the fermion spectrum in a fermion-scalar 2D model with a chiral $U(1)_L \times U(1)_R$ global symmetry. …”
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1072“…We present a predictive scheme for fermion masses and mixings based on supersymmetric SO(10) which provides an understanding of the observed hierarchies in the charged fermion sector including CKM mixings. …”
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1073“…The system is investigated with different spatial and temporal boundary conditions on lattices of various spatial and temporal extensions, for two values of the bare fermion mass representing a {\em heavy} and {\em light} fermion regime. …”
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1074“…We consider the possibility that one extra Z\equiv Z' exists with arbitrary mass and fermion couplings that do not violate (charged) lepton universality. …”
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1075“…Moreover, the DM fermion χ must have a vector-like U(1)$^{′}$ coupling. …”
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1076“…On the other hand, instantons with additional fermion zero modes, contributing to multi-fermion F-terms, can indeed cross genuine lines of marginal stability, beyond which they lead to non-BPS systems. …”
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1077“…We discuss the issue of fermion mass hierarchies between lepton and quark families in toy models of dynamical generation of fermion masses through minimal Lorentz Invariance Violation. …”
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1078“…The possibility of radiatively generated fermion masses arising from chiral flavor violation in soft supersymmetry-breaking terms is explored. …”
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1079por Mannheim, Philip“…We show that if the dimension of the $\bar{\psi}\psi$ fermion mass operator is reduced from a canonical three to a dynamical two, the four fermion interaction becomes renormalizable to all orders in the four-fermion coupling constant. …”
Publicado 2019
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1080“…It is well known that the usual CP symmetry (CP1) can be extended to the fermion sector by making all scalar-fermion couplings real. …”
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info:eu-repo/semantics/article