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NSR database version of April 26, 2024.

Search: Author = S.A.Ahmad

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2004AN17      Eur.Phys.J. D 30, 303 (2004)

B.K.Ankush, M.N.Deo, A.Venugopalan, S.A.Ahmad

Isotope shift studies in UV lines of Sm I on FTS: level isotope shifts and configuration assignments of the energy levels of neutral samarium atom

NUCLEAR MOMENTS ^148,154Sm; measured isotope shifts, hfs.

doi: 10.1140/epjd/e2004-00114-3
Citations: PlumX Metrics

1999AN42      Eur.Phys.J. D 7, 139 (1999)

B.K.Ankush, A.Venugopalan, S.A.Ahmad

Isotope Shift Studies in the First Spectrum of Dysprosium: Confirmation of assignments to 4f¹⁰5d6p and New Assignments to 4f⁹5d6s6p configuration

NUCLEAR MOMENTS ^160,164Dy; measured isotope shifts.

doi: 10.1007/s100530050359
Citations: PlumX Metrics

1996AF04      Z.Phys. D37, 249 (1996)

S.M.Afzal, S.G.Nakhate, S.A.Ahmad

Isotope Shift Studies in the Second Spectrum of Neodymium in UV Region

NUCLEAR MOMENTS ^142,150Nd; measured isotope shifts in the UV region. Fabry-Perot spectrometers, highly enriched samples.

doi: 10.1007/s004600050034
Citations: PlumX Metrics

1992AH01      Hyperfine Interactions 74, 241 (1992)

S.A.Ahmad

Optical Pumping for Investigation of Nuclear Properties of Short-Lived Isotopes/Isomers: A review

COMPILATION A=8-209; compiled, reviewed data obtained from optical pumping technique.

doi: 10.1007/BF02398633
Citations: PlumX Metrics

1990RA07      Z.Phys. D15, 211 (1990)

P.M.Rao, S.A.Ahmad, A.Venugopalan, G.D.Saksena

Isotope Shifts and Electronic Configurations of the Odd Parity Energy Levels of Singly Ionised Samarium

NUCLEAR MOMENTS ^148,154Sm; measured isotope shift.

doi: 10.1007/BF01437182
Citations: PlumX Metrics

1988AH02      Nucl.Phys. A483, 244 (1988)

S.A.Ahmad, W.Klempt, R.Neugart, E.W.Otten, P.-G.Reinhard, G.Ulm, K.Wendt, and the ISOLDE Collaboration

Mean Square Charge Radii of Radium Isotopes and Octupole Deformation in the ^220-228Ra Region

RADIOACTIVITY ^{208,209,210,211,212,213,214,220,221,222,223,224,225,226,227,228,229,230,232}Ra; measured isotope shifts, hfs; deduced mean square charge radii, spins, magnetic dipole moments, electric quadrupole moments, deformation β, odd-even staggering. Collinear fast-beam laser spectroscopy.

doi: 10.1016/0375-9474(88)90534-9
Citations: PlumX Metrics

1988WE07      Z.Phys. A329, 407 (1988)

K.Wendt, S.A.Ahmad, C.Ekstrom, W.Klempt, R.Neugart, E.W.Otten

Hyperfine Structure and Isotope Shift of the Neutron-Rich Barium Isotopes ^139-146Ba and ¹⁴⁸Ba

NUCLEAR MOMENTS ^{134,135,136,137,138}Ba; measured isotope shift, hfs; deduced hyperfine parameters. ^{134,135,136,137}Ba level deduced μ, electric quadrupole moment, rms charge radius.

RADIOACTIVITY ^{139,140,141,142,143,144,145,146,148}Ba; measured isotope shift, hfs; deduced hyperfine parameters. ^{139,140,141,142,143,144,145}Ba level deduced μ, electric quadrupole moment, rms charge radius. ¹⁴⁶Ba deduced rms charge radius.

1987AH03      Hyperfine Interactions 34, 17 (1987)

S.A.Ahmad, P.M.Rao, A.Venugopalan, G.D.Saksena

Evaluation of Changes in Mean-Square Nuclear Charge Radii of Stable Isotopes of Erbium

NUCLEAR MOMENTS ^{162,164,166,168,170}Er; measured optical isotope shifts; deduced rms charge radii.

doi: 10.1007/BF02072674
Citations: PlumX Metrics

1987WE03      Z.Phys. D4, 227 (1987)

K.Wendt, S.A.Ahmad, W.Klempt, R.Neugart, E.W.Otten, H.H.Stroke, and the ISOLDE Collaboration

On the Hyperfine Structure and Isotope Shift of Radium

NUCLEAR MOMENTS ^{208,209,210,211,212,213,214,220,221,222,223,224,225,226,227,228,229,230,232}Ra; measured hfs, isotope shifts; deduced hyperfine constants. ^{209,211,213,221,223,225,227,229}Ra deduced J, μ, quadrupole moment. Laser spectroscopy. Berit-Wills theory.

doi: 10.1007/BF01436633
Citations: PlumX Metrics

1986AH05      Indian J.Phys. 60B, 255 (1986)

S.A.Ahmad

Laser Spectroscopy of Short-Lived Isotopes

COMPILATION Z=48-95; compiled short-lived isotopes nuclear spins, moments, charge radii. Laser spectroscopy, hyperfine structure, isotope shift data.

1986UL02      Z.Phys. A325, 247 (1986)

G.Ulm, S.K.Bhattacherjee, P.Dabkiewicz, G.Huber, H.-J.Kluge, T.Kuhl, H.Lochmann, E.-W.Otten, K.Wendt, S.A.Ahmad, W.Klempt, R.Neugart, and the ISOLDE Collaboration

Isotope Shift of ¹⁸²Hg and an Update of Nuclear Moments and Charge Radii in the Isotope Range ¹⁸¹Hg - ²⁰⁶Hg

COMPILATION ^{185,185m,187,189,191}Hg; compiled hyperfine interaction constants, μ. ^{181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199}Hg; compiled hfs, isotope shifts.^{185m,187,187m,189,189m,191,191m,193,193m,195m,197m,199m,201,203}Hg; compiled, evaluated rms radii, spectroscopic quadrupole moments.

RADIOACTIVITY ^{182,184,186,188,190,192,194}Hg; measured isotopes shifts; deduced rms radii. Collinear fast beam laser spectroscopy.

NUCLEAR MOMENTS ^196,198Hg; measured isotopes shifts; deduced rms radii. Collinear fast beam laser spectroscopy.

1985AH02      Z.Phys. A321, 35 (1985)

S.A.Ahmad, W.Klempt, C.Ekstrom, R.Neugart, K.Wendt, and the ISOLDE Collaboration

Nuclear Spins, Moments, and Changes of the Mean Square Charge Radii of ^140-153Eu

RADIOACTIVITY ^{140,141,142,142m,143,144,145,146,147,148,149,150,150m,152}Eu; measured optical hfs, isotope shifts. ^{140,141,142,142m,144,150}Eu deduced level J, μ, quadrupole moment, rms charge radii differences. ^{143,145,146,147,148,149,150m,152,153}Eu deduced μ, quadrupole moment, rms charge radii differences. Collinear fast beam laser spectroscopy.

NUCLEAR MOMENTS ^151,153Eu; measured optical hfs, isotope shifts. ^151,153Eu deduced μ, quadrupole moment, rms charge radii differences. Collinear fast beam laser spectroscopy.

doi: 10.1007/BF01411941
Citations: PlumX Metrics

1985NE06      Phys.Rev.Lett. 55, 1559 (1985)

R.Neugart, H.H.Stroke, S.A.Ahmad, H.T.Duong, H.L.Ravn, K.Wendt

Nuclear Magnetic Moment of ²⁰⁷Tl

RADIOACTIVITY ²⁰⁷Tl(β^-) [from ²¹⁹Fr decay chain]; measured hfs; deduced μ. ^207,205,203Tl deduced isotope shifts. Other data input, collinear fast beam laser spectroscopy.

NUCLEAR MOMENTS ^203,205Tl; measured hfs. ^203,205,207Tl deduced isotope shifts. Other data input, collinear fast beam laser spectroscopy.

doi: 10.1103/PhysRevLett.55.1559
Citations: PlumX Metrics

1985RA27      Indian J.Pure Appl.Phys. 23, 208 (1985)

P.M.Rao, A.Venugopalan, S.A.Ahmad, G.D.Saksena

Isotope Shift Studies in the First Spectrum of Erbium in the Region 3900-4600 A⁰

NUCLEAR MOMENTS ^166,170Er; measured optical isotope shifts.

1984WE15      Z.Phys. A318, 125 (1984)

K.Wendt, S.A.Ahmad, F.Buchinger, A.C.Mueller, R.Neugart, E.-W.Otten

Relativistic J-Dependence of the Isotope Shift in the 6s-6p Doublet of Ba II

NUCLEAR MOMENTS ^{130,132,134,135,136,137,138}Ba; measured optical hfs; deduced hfs parameters. ^{130,132,134,135,136,137}Ba deduced isotope shift relative to ¹³⁸Ba. Collinear laser-ion beam technique.

doi: 10.1007/BF01413460
Citations: PlumX Metrics

1983AH03      Phys.Lett. 133B, 47 (1983)

S.A.Ahmad, W.Klempt, R.Neugart, E.W.Otten, K.Wendt, C.Ekstrom, and the ISOLDE Collaboration

Determination of Nuclear Spins and Moments in a Series of Radium Isotopes

NUCLEAR MOMENTS ^{211,213,221,223,225,227,229}Ra; measured hfs; deduced μ, J, electric quadrupole moments. ^{211,212,208,210,220,221,222,223,224,226,225,227,228,229,230,232}Ra; measured optical isotope shifts. On-line collinear fast beam laser spectroscopy.

doi: 10.1016/0370-2693(83)90103-X
Citations: PlumX Metrics

1983NE13      Hyperfine Interactions 15/16, 181 (1983)

R.Neugart, K.Wendt, S.A.Ahmad, W.Klempt, C.Ekstrom, and the ISOLDE Collaboration

Nuclear Moments and Charge Radii of Rare-Earth Isotopes Studied by Collinear Fast-Beam Laser Spectroscopy

RADIOACTIVITY ¹⁵⁹Yb; ^{161,163,165,167}Yb(β⁺), (EC); ¹⁶⁹Yb(EC); ^169mYb(IT); measured hfs; deduced hyperfine constants. ^{159,161,163,165,167,169m}Yb level deduced μ, static quadrupole moment.

doi: 10.1007/BF02159736
Citations: PlumX Metrics

1981AH05      Indian J.Pure Appl.Phys. 19, 1183 (1981)

S.A.Ahmad, A.Venugopalan, G.D.Saksena

Isotope Shifts in Lines of the First Spectrum of Dysprosium in the 4125-4685 A⁰ Region

NUCLEAR MOMENTS ^164,160Dy; measured optical isotope shifts. Enriched isotopes, Fabry-Perot spectrometer.

1977AH02      Physica 85C, 191 (1977)

S.A.Ahmad, G.D.Saksena

Isotope Shift Studies in Neodymium Spectra - I

NUCLEAR MOMENTS ^142,144Nd; measured isotope shift.

1976AH04      Physica 81C, 366 (1976)

S.A.Ahmad, G.D.Saksena, A.Venugopalan

Isotope Shift Studies in Gadolinium Spectra

NUCLEAR MOMENTS ^156,160Gd; measured isotope shift.

1970SA12      Physica 47, 92 (1970)

G.D.Saksena, S.A.Ahmad

Nuclear Deformation and Optical Isotope Shifts in the Region N = 88-90

NUCLEAR STRUCTURE ^{142,144,146,148,150}Nd, ^{144,146,148,150,152}Sm, ^{150,152,154,156,158,160}Gd, ^{154,156,158,160,162,164}Dy; calculated deformation parameters β, moments of inertia, isotope shift.

doi: 10.1016/0031-8914(70)90102-3
Citations: PlumX Metrics