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Pentaquark Masses in Chiral Perturbation Theory by Mohta, Vivek is a scholarly article available to read on EtoBox.

What is Pentaquark Masses in Chiral Perturbation Theory about?

Heavy baryon chiral perturbation theory for pentaquarks is applied beyond leading order. The mass splitting in the pentaquark anti-decuplet is calculated up to NNLO. An expansion in the coupling of pentaquarks to non-exotic baryons simplifies calculations and makes the pentaquark masses insensitive to the pentaquark-nucleon mass difference. The possibility of determining coupling constants in the chiral Lagrangian on the lattice is discussed. Both positive and negative parities are considered.

Author

Mohta, Vivek

Published

2004

Language

EN