Deser-goldberger-baumann-thirring Formula for $\pi^- P$ Atoms

Kaufmann, W.B.; Gibbs, W.R.

doi:10.1103/PhysRevC.35.838

Deser-goldberger-baumann-thirring Formula for $\pi^- P$ Atoms

W.B. Kaufmann
(
- Arizona State U.
)
,
W.R. Gibbs
(
- Los Alamos
)

1987

3 pages

Published in:

Phys.Rev.C 35 (1987) 838-840

DOI:

10.1103/PhysRevC.35.838

View in:

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Abstract: (APS)

A recent measurement of the level shift in the π−p atom obtains a value in apparent contradiction with the currently accepted π−p scattering length. The inferred equivalence of level shift and scattering length involved the use of the Deser-Goldberger-Baumann-Thirring formula. We have checked this formula for the case of π−p atoms and find that it is accurate well beyond the degree of the present discrepancy. Thus the disagreement between the recent experiment and previous analyses persists.

ATOM: MESIC ATOM
PI-: MESIC ATOM
HYDROGEN: MESIC ATOM
PI- P: SCATTERING LENGTH
SCATTERING LENGTH: PI- P
ENERGY LEVELS: MESIC ATOM
ENERGY LEVELS: FORMULA
MODEL: COUPLED CHANNEL
PI0 N: ELASTIC SCATTERING
ELASTIC SCATTERING: PI0 N

References(10)

Figures(0)

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Deser-goldberger-baumann-thirring Formula for π−P\pi^- Pπ−P Atoms

Citations per year

Energy level displacements in pi mesonic atoms

Energy level shifts in atomic states of strongly-interacting particles

CONNECTION BETWEEN LOW-ENERGY SCATTERING PARAMETERS AND ENERGY SHIFTS FOR PIONIC HYDROGEN

A Calculation of Low-Energy pi N Partial Waves Based on Fixed t Analyticity

A New Determination of the pi N Sigma Term Using Hyperbolic Dispersion Relations in the (nu**2, t) Plane

Pion Nucleon Charge Exchange and Scattering at Low-energies

Validity of approximations used in mesonic atom calculations

Deser-goldberger-baumann-thirring Formula for $\pi^- P$ Atoms