Eur. Phys. J. A (2004) 19: 355-358
https://doi.org/10.1140/epja/i2003-10132-1
https://doi.org/10.1140/epja/i2003-10132-1
Is the strong-interaction proton-proton scattering length renormalization scale dependent in effective field theory?
1
Institut für Kernphysik, Johannes Gutenberg-Universität, J.J. Becherweg 45, D-55099, Mainz, Germany
2
Department of Physics, Flinders University, S.A. 5042, Bedford park, Australia
3
High Energy Physics Institute of TSU, University str. 9, 380086, Tbilisi, Georgia
* e-mail: gegelia@kph.uni-mainz.de
It is shown that the strong-interaction 1 S 0 proton-proton scattering length in very low-energy effective field theory does not depend on the renormalization scale, if the electromagnetic interaction is “switched off” consistently.
© Società Italiana di Fisica and Springer-Verlag, 2004
