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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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7 papers · 2 filters
Dynamical quark mass generation
Roberto Frezzotti, GianCarlo Rossi
Taking inspiration from lattice QCD results, we argue that a non-perturbative mass term for fermions can be generated as a consequence of the dynamical phenomenon of spontaneous ch…
The chromomagnetic operator on the lattice
M. Constantinou, M. Costa, R. Frezzotti +5
We study matrix elements of the "chromomagnetic" operator on the lattice. This operator is contained in the strangeness-changing effective Hamiltonian which describes electroweak e…
A first look at maximally twisted mass lattice QCD calculations at the physical point
A. Abdel-Rehim, Ph. Boucaud, N. Carrasco +15
In this contribution, a first look at simulations using maximally twisted mass Wilson fermions at the physical point is presented. A lattice action including clover and twisted mas…
-potential: a critical reappraisal
G. C. Rossi, M. Testa
We show how it is possible to define and compute the potential between and external sources in the singlet and octet (adjoint) representation of the colour group.
B-physics from Nf=2 tmQCD: the Standard Model and beyond
N. Carrasco, M. Ciuchini, P. Dimopoulos +12
We present a lattice QCD computation of the b-quark mass, the B and B_s decay constants, the B-mixing bag parameters for the full four-fermion operator basis as well as determinati…
q \bar q-potential
Giancarlo Rossi, Massimo Testa
We show how to define and compute in a non-perturbative way the potential between q and \bar q colour sources in the singlet and octet (adjoint) representation of the colour group.
Leading isospin breaking effects on the lattice
G. M. de Divitiis, R. Frezzotti, V. Lubicz +6
We present a method to evaluate on the lattice the leading isospin breaking effects due to both the small mass difference between the up and down quarks and the QED interaction. Ou…