Effective Lagrangians for Bound State Problems in QED, QCD, and Other Field Theories - INSPIRE

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Effective Lagrangians for Bound State Problems in QED, QCD, and Other Field Theories

W.E. Caswell
(
- Maryland U.
)
,
G.P. Lepage
(
- Cornell U., LNS
)

Feb, 1985

6 pages

Published in:

Phys.Lett.B 167 (1986) 437-442

Published: 1986

DOI:

10.1016/0370-2693(86)91297-9

Report number:

CLNS-85/641

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Abstract: (Elsevier)

A renormalization group strategy for the study of bound states in field theory is developed. Our analysis is completely different from conventional analyses, based upon the Bethe-Salpeter equation, and it is far simpler. This is illustrated in state-of-the-art calculations for the ground state splittings in muonium and positronium.

BOUND STATE
QUANTUM ELECTRODYNAMICS: NONRELATIVISTIC
FIELD THEORY: EFFECTIVE LAGRANGIANS
MUONIUM: HYPERFINE STRUCTURE
POSITRONIUM: HYPERFINE STRUCTURE
ENERGY LEVELS
RENORMALIZATION GROUP
NUMERICAL CALCULATIONS

References(8)

Figures(0)

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(
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)

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•
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(
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)
,
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)

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•
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William E. Caswell
(
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)
,
G.Peter Lepage
(
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)

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•
DOI:
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Riccardo Barbieri
(
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)
,
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(
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)

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•
DOI:
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•
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Recent Experimental Advances in Positronium Research

A. Rich
(
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)

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•
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Corrections to the Muonium Hyperfine Splitting of Relative Order $\alpha^2$ (M ( $e$ ) / M ( $\mu$ ))

Geoffrey T. Bodwin
(
- Illinois U., Urbana and
- SLAC
)
,
Donald R. Yennie
(
- Cornell U., LNS
)
,
M.A. Gregorio
(
- Rio de Janeiro Federal U.
)

- Phys.Rev.Lett. 48 (1982) 1799
•
DOI:
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