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I review the present state of our knowledge about the masses and weak mixing elements of the u, d, s quarks. This is the written version of lectures given in the 1993 Theoretical Advanced Study Instit...
In theories in which the parameters of the low energy theory are not unique, perhaps having different values in different domains of the universe as is possible in some inflationary models, the fermio...
Fine tunings and quark masses: Phenomenology of multiple domain theories
Particles physical parameters the universe
2014/12/22
This talk describes some of the consequences for particle phenomenology of the hypothesis that the physical parameters may vary in different domains of the universe.
Constraints on the variability of quark masses from nuclear binding
Nuclear binding the light quark heavy nuclei attractive
2014/12/19
Based on recent work on nuclear binding, we update and extend the anthropic constraints on the light quark masses, with results that are more tightly constrained than previously obtained. We find that...
Lattice QCD at the physical point: light quark masses
Lattice QCD physical point light quark masses
2011/1/7
Ordinary matter is described by six fundamental parameters: three couplings (gravitational,
electromagnetic and strong) and three masses: the electron’s (me) and those of the up (mu)
and down (md) q...
Quark masses with Nf=2 twisted mass lattice QCD
Quark masses Nf=2 twisted mass lattice QCD
2011/1/13
We present the results of the recent high precision lattice calculation of the average up/down,
strange and charm quarkmasses performed by ETMC with Nf =2 twisted massWilson fermions.
The analysis i...
2006Vol.46No.6pp.1027-1030DOI:
An Interesting Fitting Formula of Quark Masses
LIU Da-Qing
Institute of High Energy Physics, the Chinese Academy
of Sciences, Beijing 1000...