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We present the results of an investigation of a mixed action approach of overlap valence and maximally twisted mass sea quarks. Employing a particular matching condition on the pion mass, we analyze t...
Higgs boson mass bounds in the presence of a very heavy fourth quark generation
Higgs boson mass bounds fourth quark generation
2011/1/13
We study the effect of a potential fourth quark generation on the upper and lower Higgs boson
mass bounds. This investigation is based on the numerical evaluation of a chirally invariant lattice Higg...
Novel charmonium-like structures in the $J/\psi\phi$ and $J/\psi\omega$ invariant mass spectra
Novel charmonium-like structures $J/\psi\phi$ and $J/\psi\omega$ invariant mass spectra
2011/1/5
Stimulated by the new evidence of Y(4274) observed in the J/ invariant mass spectrum, we first propose the charmonium-like state Y(4274) as the S-wave Ds ¯D s0(2317) + h.c. molecular state with...
D and Ds in mass loaded flux tube
flux tube model diquark charmed mesons charmed strange mesons
2009/12/24
Heavy-light hadrons are studied in a mass loaded flux tube model. The study indicates that the dynamics of mesons and baryons containing a c quark is described well by the mass loaded flux tube. The h...