Authors:
BUETTRICH S
GILDEMEISTER D
THUY MJ
TSCHERSICH M
SKOGVALL B
VONOPPEN G
DROZDOWSKI R
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Authors:
SCHUMANN R
DAMMASCH M
EICHMANN U
KRIESCHER Y
RITTER G
VONOPPEN G
Citation: R. Schumann et al., LASER SPECTROSCOPY ON THE STARK-EFFECT OF THE 1S3P P-3 LEVEL OF HE-I, Journal of physics. B, Atomic molecular and optical physics, 30(11), 1997, pp. 2581-2590
Citation: Vg. Palchikov et G. Vonoppen, SPIN-SPIN INTERACTIONS AND MIXING OF 1SNS S-3(1)-,1SN'D D-3(1)-LEVELSOF HELIUM, Zhurnal eksperimental'noj i teoreticheskoj fiziki, 110(3), 1996, pp. 876-881
Citation: O. Reusch et G. Vonoppen, LEVEL-CROSSING INVESTIGATION OF 1S5L ELECTRIC-FIELD ANTICROSSINGS OF HE-I, Journal of physics. B, Atomic molecular and optical physics, 29(9), 1996, pp. 1681-1688
Citation: Hj. Waldmann et al., DETECTION OF THE 1S3D(1)SIGMA(-)(0) ELECTRIC-FIELD LEVEL-CROSSING OF HE-I()(0)X(3)SIGMA(), Physics letters. A, 203(5-6), 1995, pp. 376-380
Citation: Vg. Palchikov et G. Vonoppen, THE SPIN-SPIN MIXING OF 1S3S S-3(1) AND 1S3D D-3(1) STATES IN THE HELIUM ISOELECTRONIC SEQUENCE, Physica scripta. T, 52(4), 1995, pp. 366-371
Citation: D. Kaiser et G. Vonoppen, LASER SPECTROSCOPY OF ELECTRIC-FIELD-1S3D ANTICROSSINGS OF HE-I, Journal of physics. B, Atomic molecular and optical physics, 27(20), 1994, pp. 4835-4846
Citation: Yq. Liu et al., RADIOFREQUENCY SPECTROSCOPY OF ELECTRIC-FIELD SINGLET-TRIPLET ANTICROSSINGS OF HE-I, Journal of physics. B, Atomic molecular and optical physics, 27(11), 1994, pp. 120000239-120000243
Citation: G. Vonoppen et S. Buttrich, ANGULAR-MOMENTUM COHERENCES OF HELIUM-ATOMS EXCITED BY PROTON IMPACT, Zeitschrift fur Physik. D, Atoms, molecules and clusters, 30(2-3), 1994, pp. 193-197
Citation: S. Buttrich et G. Vonoppen, SELECTIVE EXCITATION OF PARABOLIC STARK STATES OF HE-I BY PROTON IMPACT, Physical review letters, 71(23), 1993, pp. 3778-3781