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UNION OF CHIRAL AND HEAVY QUARK SYMMETRIES

Donoghue, JF
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Abstract
We describe the chiral symmetric couplings of pions to heavy mesons (B or D), valid in the portion of phase space where the pions have low momentum. In order to include consistently all low energy excitations, the vector mesons (B* or D*) must appear explicitly in the effective lagrangian. The result is then invariant under both the chiral and heavy quark symmetries. We include matrix elements relevant for various weak decays.
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article
article
Date
1992
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