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NSR database version of April 11, 2024.

Search: Author = G.Werth

Found 37 matches.

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2019HE19      Phys.Rev. A 100, 022518 (2019)

F.Heisse, S.Rau, F.Kohler-Langes, W.Quint, G.Werth, S.Sturm, K.Blaum

High-precision mass spectrometer for light ions

ATOMIC MASSES 1H, 16O; measured cyclotron frequencies; deduced masses. A cryogenic multi-Penning-trap setup, LIONTRAP (Light-Ion Trap).

doi: 10.1103/PhysRevA.100.022518
Citations: PlumX Metrics


2017HE14      Phys.Rev.Lett. 119, 033001 (2017)

F.Heisse, F.Kohler-Langes, S.Rau, J.Hou, S.Junck, A.Kracke, A.Mooser, W.Quint, S.Ulmer, G.Werth, K.Blaum, S.Sturm

High-Precision Measurement of the Proton's Atomic Mass

ATOMIC MASSES 1H; measured proton axial frequency; deduced precise mass value. Penning-trap system, comparison with CODATA value.

doi: 10.1103/PhysRevLett.119.033001
Citations: PlumX Metrics


2016KO45      Nat. Commun. 7, 10246 (2016)

F.Kohler, K.Blaum, M.Block, S.Chenmarev, S.Eliseev, D.A.Glazov, M.Goncharov, J.Hou, A.Kracke, D.A.Nesterenko, Y.N.Novikov, W.Quint, E.Minaya Ramirez, V.M.Shabaev, S.Sturm, A.V.Volotka, G.Werth

Isotope dependence of the Zeeman effect in lithium-like calcium

ATOMIC MASSES 40,48Ca; measured cyclotron frequency ratio. 48Ca; deduced masses, g-factors. Comparison with theoretical calculations.

doi: 10.1038/ncomms10246
Citations: PlumX Metrics


2014ST05      Nature(London) 506, 467 (2014)

S.Sturm, K.Kohler, J.Zatorski, A.Wagner, Z.Harman, G.werth, W.Quint, C.H.Keitel, K.Blaum

High-precision measurement of the atomic mass of the electron

ATOMIC MASSES A=0; measured cyclotron frequency ratio of hydrogen-like 12C+5+; deduced electron mass. QED calculations, comparison with CODATA value.

doi: 10.1038/nature13026
Citations: PlumX Metrics


2007WE09      Eur.Phys.J. D 45, 121 (2007)

G.Werth

Optical spectroscopy in ion traps

doi: 10.1140/epjd/e2007-00149-x
Citations: PlumX Metrics


2006WE09      Int.J. Mass Spectrom. 251, 152 (2006)

G.Werth, J.Alonso, T.Beier, K.Blaum, S.Djekic, H.Haffner, N.Hermanspahn, W.Quint, S.Stahl, J.Verdu, T.Valenzuela, M.Vogel

Highly charged ions, quantum-electrodynamics, and the electron mass

NUCLEAR MOMENTS C, O; measured g-factor of hydrogen-like carbon and oxygen ions. Penning trap. Comparisons with theory.

doi: 10.1016/j.ijms.2006.01.046
Citations: PlumX Metrics


2005RY06      Eur.Phys.J. A 25, Supplement 1, 53 (2005)

V.L.Ryjkov, L.Blomeley, M.Brodeur, P.Grothkopp, M.Smith, P.Bricault, F.Buchinger, J.Crawford, G.Gwinner, J.Lee, J.Vaz, G.Werth, J.Dilling, and the TITAN Collaboration

TITAN project status report and a proposal for a new cooling method of highly charged ions

doi: 10.1140/epjad/i2005-06-122-1
Citations: PlumX Metrics


2002BE82      Eur.Phys.J. A 15, 41 (2002)

T.Beier, H.Haffner, N.Hermanspahn, S.Djekic, H.-J.Kluge, W.Quint, S.Stahl, T.Valenzuela, J.Verdu, G.Werth

The measurement of the electronic g-factor in hydrogen-like ions - A promising tool for determining fundamental and nuclear constants

NUCLEAR MOMENTS 12C; measured electronic g-factor for hydrogen-like ions. Double Penning trap.

doi: 10.1140/epja/i2001-10217-9
Citations: PlumX Metrics


2001BR27      Eur.Phys.J. D 15, 181 (2001)

S.Brunner, T.Engel, A.Schmitt, G.Werth

Determination of the Helium-4 Mass in a Penning Trap

ATOMIC MASSES 4He; measured mass. Penning trap.

doi: 10.1007/s100530170164
Citations: PlumX Metrics


2001QU04      Hyperfine Interactions 132, 457 (2001)

W.Quint, J.Dilling, S.Djekic, H.Haffner, N.Hermanspahn, H.-J.Kluge, G.Marx, R.Moore, D.Rodriguez, J.Schonfelder, G.Sikler, T.Valenzuela, J.Verdu, C.Weber, G.Werth

HITRAP: A facility for experiments with trapped highly charged ions

doi: 10.1023/A:1011908332584
Citations: PlumX Metrics


2001WE18      Hyperfine Interactions 132, 209 (2001)

G.Werth, H.Haffner, H.-J.Kluge, W.Quint, T.Valenzuela, J.Verdu

A Possible New Value for the Electron Mass from g-Factor Measurements on Hydrogen-Like Ions

doi: 10.1023/A:1011971906340
Citations: PlumX Metrics


2000SA51      Ann.Rev.Nucl.Part.Sci. 50, 119 (2000)

G.Savard, G.Werth

Precision Nuclear Measurements with Ion Traps

doi: 10.1146/annurev.nucl.50.1.119
Citations: PlumX Metrics


2000TR07      Hyperfine Interactions 127, 57 (2000)

S.Trapp, G.Marx, G.Tommaseo, A.Klaas, A.Drakoudis, G.Revalde, G.Szawiola, G.Werth

Hyperfine structure and g-factor measurements on Ba+ and Eu+ isotopes

NUCLEAR MOMENTS 131,133,135,137Ba, 148,149,150,151,153Eu; measured hfs; deduced coupling constants. 137Ba; measured g factor. Paul and Penning traps, laser resonance fluorescence.

doi: 10.1023/A:1012646207262
Citations: PlumX Metrics


1998MA98      Eur.Phys.J. D 4, 279 (1998)

G.Marx, G.Tommaseo, G.Werth

Precise gJ - and gl-factor measurements of Ba+ isotopes

NUCLEAR MOMENTS 135,137,138Ba; measured Zeeman transitions, g factor. Penning traps, cyclotron resonance.

doi: 10.1007/s100530050210
Citations: PlumX Metrics


1996HE14      Acta Phys.Pol. B27, 357 (1996)

K.Hermanspahn, W.Quint, S.Stahl, M.Tonges, G.Bollen, H.-J.Kluge, R.Ley, R.Mann, G.Werth

The g-Factor of the Bound Electron: A test of bound-state QED


1995EN08      Phys.Rev. A52, 4434 (1995)

K.Enders, O.Becker, L.Brand, J.Dembczynski, G.Marx, G.Revalde, P.M.Rao, E.Stachowska, G.Werth

Hyperfine-Structure Measurements in the Ground State of Radioactive 150Eu+ Ions

RADIOACTIVITY 150Eu(β-); measured hfs; deduced dipole, electric quadrupole interaction, preliminary quadrupole moment.

ATOMIC PHYSICS 150Eu(β-); measured hfs; deduced magnetic dipole, electric quadrupole interaction, preliminary quadrupole moment.

doi: 10.1103/PhysRevA.52.4434
Citations: PlumX Metrics


1995KU41      Z.Phys. D34, 227 (1995)

F.Kurth, T.Gudjons, B.Hilbert, T.Reisinger, G.Werth, A.-M.Martensson-Pendrill

Doppler Free ' Dark Resonances ' for Hyperfine Measurements and Isotope Shifts in Ca+ Isotopes in a Paul Trap

NUCLEAR MOMENTS 40,43Ca; measured isotope shifts. Doppler free dark resonances, Paul trap.

doi: 10.1007/BF01437567
Citations: PlumX Metrics


1995WE14      Phys.Scr. T59, 206 (1995)

G.Werth

Hyperfine Structure and g-Factor Measurements in Ion Traps

NUCLEAR MOMENTS A=9-199; compiled, reviewed hfs, g-factor measurements using ion traps.

doi: 10.1088/0031-8949/1995/T59/027
Citations: PlumX Metrics


1994AR32      Z.Phys. D31, 27 (1994)

F.Arbes, M.Benzing, Th.Gudjons, F.Kurth, G.Werth

Precise Determination of the Ground State Hyperfine Structure Splitting of 43Ca II

NUCLEAR MOMENTS 43Ca; measured hfs. High precision, laser microwave double resonance technique.

doi: 10.1007/BF01426573
Citations: PlumX Metrics


1994WE19      J.Phys.(London) G20, 1865 (1994)

G.Werth

Fundamental Particle Properties using Particle Traps

doi: 10.1088/0954-3899/20/12/004
Citations: PlumX Metrics


1993KN05      Z.Phys. D25, 205 (1993)

H.Knab, K.H.Knoll, F.Scheerer, G.Werth

Experimental Ground State g(J)-Factor of Ba+ in a Penning Ion Trap

ATOMIC PHYSICS Ba; measured ground state g(J) factor. Penning ion trap, Zeeman splitting.

doi: 10.1007/BF01426881
Citations: PlumX Metrics


1993LI60      Z.Phys. D25, 103 (1993)

G.Z.Li, P.Zhang, X.Feng, G.Werth

Collisional Relaxation Measurements on Pb+ Hyperfine Levels

doi: 10.1007/BF01450160
Citations: PlumX Metrics


1992AR25      Nucl.Instrum.Methods Phys.Res. B70, 494 (1992)

F.Arbes, O.Becker, H.Knab, K.H.Knoll, G.Werth

On the Possible Determination of Hyperfine Anomalies by Trapped Ion Spectroscopy

RADIOACTIVITY 131Ba(EC); measured hyperfine Zeeman transition; deduced magnetic interaction a-factor ratio relative to 133Ba. Trapped ion spectroscopy, laser-microwave double-resonance techniques.

NUCLEAR MOMENTS 135,137,133Ba; measured not given; 153,151Eu; measured hfs; deduced magnetic interaction a-factor ratios. Trapped ion spectroscopy, laser-microwave double-resonance techniques.

doi: 10.1016/0168-583X(92)95972-T
Citations: PlumX Metrics


1992FE08      Phys.Rev. A46, 327 (1992)

X.Feng, G.-Z.Li, R.Alheit, G.Werth

Hyperfine-Structure Measurements on Trapped Pb II

NUCLEAR MOMENTS 207Pb; measured hfs; deduced hyperfine interaction parameter. 207,208Pb deduced isotope shift. Linear cw dye laser, ion cloud stored in a Paul trap, 208Pb contaminant.

doi: 10.1103/PhysRevA.46.327
Citations: PlumX Metrics


1992FE09      Phys.Rev. A46, 2959 (1992)

X.Feng, G.Z.Li, G.Werth

High-Precision Hyperfine Spectroscopy in M1-M1 Double-Resonance Transitions on Trapped 207Pb+

NUCLEAR MOMENTS 207Pb; measured hyperfine interaction parameter. Optical pumping, confinement in Paul ion trap.

doi: 10.1103/PhysRevA.46.2959
Citations: PlumX Metrics


1992KE06      Phys.Scr. 45, 575 (1992)

J.Kern, T.Engel, D.Hagena, G.Werth

Mass Determination of Light Ions in a Penning Trap by Time-of-Flight Detection of Ion Resonances

ATOMIC MASSES 4,3He; measured masses relative cyclotron frequencies of ions confined in Penning trap, tof detection of ion resonances.

doi: 10.1088/0031-8949/46/6/015
Citations: PlumX Metrics


1992KN03      Hyperfine Interactions 74, 67 (1992)

H.Knab, K.H.Knoll, F.Arbes, O.Becker, G.Werth

Hyperfine Structure and g-Factor Measurements in Ion Traps

NUCLEAR MOMENTS 151,153Eu; measured hfs; deduced hyperfine interaction parameters. Ion traps.

doi: 10.1007/BF02398618
Citations: PlumX Metrics


1991HA31      Europhys.Lett. 15, 491 (1991)

D.Hagena, G.Werth

Measurement of the 3He+/H2+ Mass Ratio

ATOMIC MASSES 3He, 1H; measured mass ratio. Modified cyclotron frequency measurement using a compensated Penning trap.

doi: 10.1209/0295-5075/15/5/004
Citations: PlumX Metrics


1991HU01      Z.Phys. D18, 113 (1991)

M.Hubrich, H.Knab, K.H.Knoll, G.Werth

Ground- and Excited State g-Factors of Ba+

ATOMIC PHYSICS Ba; measured Zeeman splitting; deduced level g-factors.

doi: 10.1007/BF01418176
Citations: PlumX Metrics


1990GE12      Z.Phys. D17, 119 (1990)

Ch.Gerz, D.Wilsdorf, G.Werth

Measurement of the 4He-D2 Mass Difference

ATOMIC PHYSICS 4He, 2H; measured mass difference. Penning ion trap spectrometer.

ATOMIC MASSES 4He, 2H; measured mass difference. Penning ion trap spectrometer.

doi: 10.1007/BF01437665
Citations: PlumX Metrics


1988RO15      Z.Phys. D9, 265 (1988)

A.Roth, G.Werth

Measurement of the Ground State Hyperfine Splitting in 207Pb II

NUCLEAR MOMENTS 207Pb; measured hfs. Pulsed laser excitation, electrodynamically confined ions.

doi: 10.1007/BF01438299
Citations: PlumX Metrics


1987KN10      Europhys.Lett. 4, 1361 (1987)

H.Knab, M.Schupp, G.Werth

Precision Spectroscopy on Trapped Radioactive Ions: Ground-state hyperfine splittings of 133Ba+ and 131Ba+

RADIOACTIVITY 133,131Ba; measured hfs. Laser-microwave double resonance spectroscopy.

doi: 10.1209/0295-5075/4/12/004
Citations: PlumX Metrics


1987MU09      Phys.Rev. A35, 4147 (1987)

A.Munch, M.Berkler, Ch.Gerz, D.Wilsdorf, G.Werth

Precise Ground-State Hyperfine Splitting in 173Yb II

NUCLEAR MOMENTS 173Yb; measured hfs splitting. 171,173Yb deduced differential hyperfine anomaly. Laser-microwave double resonance technique.

doi: 10.1103/PhysRevA.35.4147
Citations: PlumX Metrics


1983BE12      Z.Phys. A311, 41 (1983)

W.Becker, G.Werth

Precise Determination of the Ground State Hyperfine Splitting of 135Ba+

NUCLEAR MOMENTS 135Ba; measured hfs. High precision, microwave optical double resonance experiment.

doi: 10.1007/BF01411605
Citations: PlumX Metrics


1983BL05      Z.Phys. A312, 143 (1983)

R.Blatt, H.Schnatz, G.Werth

Precise Determination of the 171Yb+ Ground State Hyperfine Separation

NUCLEAR MOMENTS 171Yb; measured hfs; deduced hyperfine constant. Microwave optical double resonance technique, ion trapping.

doi: 10.1007/BF01412156
Citations: PlumX Metrics


1981BE67      J.Phys.(Paris), Colloq.C C8, 339 (1981)

W.Becker, R.Blatt, G.Werth

Precise Determination of 135Ba+ and 137Bs+ Hyperfine Structure

doi: 10.1051/jphyscol:1981841
Citations: PlumX Metrics


1981BL03      Z.Phys. A299, 93 (1981)

R.Blatt, G.Werth

Precision Ground State Hfs-Separation of 137Ba

NUCLEAR MOMENTS 137Ba; measured ground state hfs separation. Pulsed tunable dye laser, r.f. quadrupole ion trap, high precision.

doi: 10.1007/BF01415749
Citations: PlumX Metrics


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