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Berengut, J. C. ; Epelbaum, E. ; Flambaum, V. V. ; Hanhart, C. ; Meißner, U.-G ; Nebreda, G. ; Peláez Sagredo, José Ramón | Amer Physical Soc | 2013-04-10The quark mass dependences of light-element binding energies and nuclear scattering lengths are derived using chiral perturbation theory in combination with nonperturbative methods. In particular, we present new, improved values for the quark ma[...]texto impreso
Llanes Estrada, Felipe José ; Guo, F.-K ; Hanhart, C ; Meißner, U.-G | Elsevier Science BV | 2011-09-20Hadron masses show a specific dependence on the quark masses. Therefore, the variation of these masses can cause a resonance in a hadronic scattering amplitude to become a bound state. Consequently, the amplitude exhibits a non analytic behavior[...]
