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Quantum defect theory for the study of hadronic atoms

J Mitroy and I A Ivallov1

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Quantum defect theory can be used to convert energy shifts of hadronic atoms into zero-energy scattering lengths (and vice versa). The scattering lengths from quantum defect theory are in good agreement with those derived using all-order Deser-Trueman formulae (evaluated by the simple expedient of evaluating the left-hand side of the effective range expansion exactly). Scattering lengths derived from experimental energy shifts are presented for a number of hadronic atoms.


PACS

36.10.Gv Mesonic, hyperonic and antiprotonic atoms and molecules

Subjects

Atomic and molecular physics

Dates

Issue 7 (July 2001)

Received 19 September 2000, in final form 21 March 2001



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