Density Shift and Broadening of Transition Lines in Antiprotonic Helium

Bakalov, Dimitre; Jeziorski, Bogumil; Korona, Tatiana; Szalewicz, Krzysztof; Tchoukova, Eugeniya

doi:10.1103/PhysRevLett.84.2350

Density Shift and Broadening of Transition Lines in Antiprotonic Helium

Dimitre Bakalov
(
- Sofiya, Inst. Nucl. Res.
)
,
Bogumil Jeziorski
(
- Warsaw U.
)
,
Tatiana Korona
(
- Warsaw U.
)
,
Krzysztof Szalewicz
(
- Delaware U.
)
,
Eugeniya Tchoukova
(
- Sofiya, Inst. Nucl. Res.
)

Mar 13, 2000

3 pages

Published in:

Phys.Rev.Lett. 84 (2000) 2350-2353

DOI:

10.1103/PhysRevLett.84.2350

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Abstract: (APS)

The density shift and broadening of the transition lines of antiprotonic helium have been evaluated in the impact approximation using an interatomic potential calculated ab initio with the symmetry-adapted perturbation theory. The results help to remove an uncertainty of up to 10 ppm in the laser spectroscopy data on antiprotonic helium and are of importance in experimental tests of bound state QED and CPT invariance.

34.10.+x
34.20.Cf
36.10.-k

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