M. Valverde, J. Nieves, E. Hernández, S. K. Singh, M. J. Vicente Vacas
Published 2008-02-09, updated 2008-02-12Version 2
We study the threshold production of two pions induced by neutrinos in nucleon targets. The contribution of nucleon pole, pion and contact terms is calculated using a chiral Lagrangian. The contribution of the Roper resonance, neglected in earlier studies, has also been taken into account.
Comments: Contribution to the proceedings of Chiral07, RCNP, Osaka, Japan. Corrected version because of problems on some pdf viewers
Journal: Mod.Phys.Lett.A23:2309-2312,2008
Threshold production of $η_{c,b}$ using holographic QCD
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Contact Terms, Compositeness, and Atomic Parity Violation
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