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Search: Author = E.A.Ivanov

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2009NI05      Phys.Rev. C 79, 044314 (2009)

G.Nicolescu, E.A.Ivanov, D.Plostinaru

Electric quadrupole moments of 17/2^- and 13/2^- subsequent isomers in ²⁰⁹Po

NUCLEAR REACTIONS ²⁰⁹Bi(d, 2n), E=13 MeV; measured Eγ, time-differential perturbed angular distributions (TDPAD), half-lives. ²⁰⁹Po; deduced spectroscopic electric quadrupole moments.

NUCLEAR MOMENTS ²⁰⁹Po; measured electric quadrupole moments by TDPAD technique.

doi: 10.1103/PhysRevC.79.044314
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Data from this article have been entered in the XUNDL database. For more information, click here.

1996IO01      Z.Phys. A355, 347 (1996)

M.Ionescu-Bujor, A.Iordachescu, E.A.Ivanov, D.Plostinaru

Low-Lying Four Quasiparticle State in ⁸²Rb

NUCLEAR REACTIONS ⁷⁹Br(α, n), E=21 MeV; ⁸¹Br(³He, 2n), E=25 MeV; ⁷⁹Br(³He, 2n), E=25 MeV; measured γ(θ, H, t). ^80,82Rb levels deduced g factor, configuration.

doi: 10.1007/s002180050122
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1994IO02      Z.Phys. A349, 129 (1994)

M.Ionescu-Bujor, A.Iordachescu, E.A.Ivanov, G.Pascovici, D.Plostinaru, M.Dumitru, A.Ivan

Magnetic Moment of the 96.7 keV (9/2)⁺ Level in ⁷⁹Rb

NUCLEAR REACTIONS ⁷⁹Br(³He, 3n), E=30 MeV; measured γ(θ, H, t). ⁷⁹Rb level deduced g-factor, μ.

doi: 10.1007/BF01291170
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1994IV01      Nucl.Instrum.Methods Phys.Res. B85, 293 (1994)

E.A.Ivanov, D.Plostinaru, G.Nicolescu, A.Ivan

Simultaneous Microanalysis of Nitrogen and Oxygen on Silicon using NRA with a Cyclotron

NUCLEAR REACTIONS ¹²C, ¹⁴N, ¹⁶O, ^28,29Si(d, p), ¹⁴N, ²⁹Si(d, α), E=1.437 MeV; measured emergent particle energy before, after Al foil absorption.

doi: 10.1016/0168-583X(94)95830-0
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1994IV04      Roum.J.Phys. 39, 315 (1994)

E.A.Ivanov, G.Nicolescu, D.Plostinaru, I.Vata

Hyperfine Field at Fe Dilute Impurity in Antiferromagnetic Chromium

NUCLEAR REACTIONS ⁵²Cr(α, 2n), E=26 MeV; measured γ(θ, H, t); deduced Fe hyperfine field in antiferromagnetic Chromioum.

1993DI06      Z.Phys. A347, 37 (1993)

S.Dima, E.A.Ivanov, D.Plostinaru, C.Stan-Sion, I.Vata

Half-Life and Magnetic Moment of the 1⁺ First Excited State in ¹¹⁶Sb

NUCLEAR REACTIONS ¹¹⁶Sn(p, n), E=15 MeV; measured γ(θ, H, t). ¹¹⁶Sb deduced isomer μ, T_1/2, configuration.

doi: 10.1007/BF01301274
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1993IO02      Hyperfine Interactions 77, 111 (1993)

M.Ionescu-Bujor, A.Iordachescu, E.A.Ivanov, G.Pascovici, D.Plostinaru

Quadrupole Moment of the 7⁺ Isomeric State in ¹¹²In

NUCLEAR REACTIONS ¹¹²Cd(d, 2n), E=13.5 MeV; measured γ(θ, H, t). ¹¹²In deduced isomer levels quadrupole moment. Model comparison.

doi: 10.1007/BF02320305
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1992IV04      Z.Phys. B89, 57 (1992)

E.A.Ivanov, G.Nicolescu, D.Plostinaru

Temperature Dependence of the Electric Field Gradient of ²⁰⁴Pb in Hexagonal Tl

NUCLEAR REACTIONS ²⁰⁵Tl(p, 2n), E=15 MeV; measured γ(θ, H, t); deduced electric field gradient of ²⁰⁴Pb vs temperature in hexagonal Tl.

doi: 10.1007/BF01320829
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1990IO01      Z.Phys. A336, 291 (1990)

M.Ionescu-Bujor, A.Iordachescu, E.A.Ivanov, G.Pascovici, D.Plostinaru, V.Sabaiduc

Reinvestigation of the Decay Scheme of the Short-Lived Isomeric States in ¹¹²In

NUCLEAR REACTIONS ¹¹²Cd(d, 2n), E=13.5 MeV; ¹⁰⁹Ag(α, n), E=20 MeV; measured (X-ray)(t), γ(t), Eγ, Iγ. ¹¹²In deduced levels, J, π, T_1/2, γ-multipolarity, ICC.

1982DI18      Rev.Roum.Phys. 27, 731 (1982)

S.Dima, D.Plostinaru, E.A.Ivanov, C.Stan-Sion, M.Ionescu-Bujor, A.Iordachescu

Measurement of the g-Factor of the (21/2)⁺ State in ⁹⁷Ru

NUCLEAR REACTIONS ⁹⁵Mo(α, 2n), E=26 MeV; measured γ(θ, H, t). ⁹⁷Ru level deduced g.

1982IO01      Hyperfine Interactions 12, 307 (1982)

M.Ionescu-Bujor, A.Iordachescu, E.A.Ivanov, G.Pascovici, D.Plostinaru, Chen Yilung

Investigation of the System TeSn by the Combined Hyperfine Interaction Method

RADIOACTIVITY ^121,115,123Te [from Sn(α, n), E=25 MeV]; measured Iγ(θ, H, T); deduced quadrupole interaction strengths for Te in Sn. ^121,115Te deduced isomer level quadrupole moment ratio.

doi: 10.1007/BF01026379
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1982ZA04      Rev.Roum.Phys. 27, 33 (1982)

M.Zaharcu, A.Iordachescu, D.Plostinaru, E.A.Ivanov

Electromagnetic Properties of an 8⁺ Isomeric State in ⁸⁴Kr

NUCLEAR REACTIONS ⁸²Se(α, 2n), E=16.5-27.3 MeV; measured Eγ, Iγ, γ(t), γ(θ, H, t). ⁸⁴Kr deduced isomer T_1/2, J, π, μ.

1981IO03      Hyperfine Interactions 9, 71 (1981)

M.Ionescu-Bujor, A.Iordachescu, E.A.Ivanov, D.Plostinaru

The g-Factors of the Isomeric States in ¹¹⁷Te and ¹²³Te

NUCLEAR REACTIONS ^114,120Sn(α, n), E=25 MeV; measured γ(θ, H, t). ^117,123Te levels deduced g, configuration.

doi: 10.1007/BF01020900
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1981IO04      Hyperfine Interactions 9, 75 (1981)

M.Ionescu-Bujor, A.Iordaschescu, E.A.Ivanov, D.Plostinaru

The g-Factors of the 3⁺ and 6^- States in ¹²⁴Sb

NUCLEAR REACTIONS ¹²⁴Sn(d, 2n), E=12 MeV; measured γ(θ, H, t). ¹²⁴Sb levels deduced g, configuration. Enriched metallic target.

doi: 10.1007/BF01020901
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1981IO05      Rev.Roum.Phys. 26, 239 (1981)

M.Ionescu-Bujor, A.Iordachescu, E.A.Ivanov, D.Plostinaru, Chen Yilung

Half-Life and Magnetic Moment of a 7/2⁺ Level in ¹²³Te

NUCLEAR REACTIONS ¹²⁰Sn(α, n), E=25 MeV; ¹²³Sb(d, 2n), E=12.5 MeV; measured γ(t), γ(θ, H, t). ¹²³Te deduced isomer, T_1/2, J, π, μ.

1981IO07      Hyperfine Interactions 11, 71 (1981)

M.Ionescu-Bujor, A.Iordachescu, E.A.Ivanov, D.Plostinaru

Investigation of Radiation Damage by Larmor Precession of ¹¹²In in Ag

NUCLEAR REACTIONS ¹⁰⁹Ag(α, n), E=24 MeV; measured γ(θ, H, t); deduced electric field gradient for In in Ag. ¹¹²In level deduced quadrupole moment.

doi: 10.1007/BF01026469
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1980IO01      Phys.Lett. 90B, 65 (1980)

M.Ionescu-Bujor, A.Iordachescu, E.A.Ivanov, D.Plostinaru

Spin, Lifetime and Magnetic Moment of a New Isomeric State in ¹²¹Te

NUCLEAR REACTIONS ¹¹⁸Sn(α, n), E=24 MeV; ¹²¹Sb(d, 2n), E=12 MeV; measured γ(θ, H, t). ¹²¹Te deduced level, J, π, T_1/2, μ.

doi: 10.1016/0370-2693(80)90052-0
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1979IO02      Hyperfine Interactions 7, 241 (1979)

M.Ionescu-Bujor, A.Iordachescu, E.A.Ivanov, D.Plostinaru, S.Vajda

Quadrupole Interaction of ¹²⁰Sb in Metallic Tin

RADIOACTIVITY ¹²⁰Sb [from ¹²⁰Sn(p, n), E=11 MeV]; measured Iγ(θ, H, t) in Sn; deduced temperature dependence of quadrupole coupling constant, anisotropy coefficient.

doi: 10.1007/BF01021506
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1979PL05      Rev.Roum.Phys. 24, 661 (1979)

D.Plostinaru, A.Iordachescu, E.A.Ivanov, G.Pascovici

g-Factor of the 17/2^- State in ⁹¹Nb

NUCLEAR REACTIONS ⁸⁹Y(α, 2n), E=27 MeV; measured γ(θ, H, t). ⁹¹Nb level deduced g.

1977CO18      Rev.Roum.Phys. 22, 541 (1977)

B.Constantinescu, A.Iordachescu, E.A.Ivanov, D.Plostinaru, G.Pascovici

Magnetic Moment of the 5⁺ State in ¹²²Sb

NUCLEAR REACTIONS ¹²²Sn(d, 2nγ), E=10 MeV; measured γ(θ, H, t). ¹²²Sb level deduced g.

1977IO01      Rev.Roum.Phys. 22, 1119 (1977)

A.Iordachescu, E.A.Ivanov, D.Plostinaru, G.Pascovici, P.Racoltea

Quadrupole Moments of the 3⁺ Isomeric States in ¹²⁰Sb and ¹²²Sb

NUCLEAR REACTIONS ^120,122Sn(p, nγ), E=12 MeV; measured γ(θ, H, t). ^120,122Sb levels deduced quadrupole moment. TDPAD method.

1977PL07      Rev.Roum.Phys. 22, 1011 (1977)

D.Plostinaru, A.Iordachescu, E.A.Ivanov, G.Pascovici

Magnetic Moment of the 3.8 μs Isomeric State in ⁹²Nb

NUCLEAR REACTIONS ⁸⁹Y(α, 2nγ), E=26 MeV; measured γ(θ, H, t). ⁹¹Nb level deduced g. TDPAD method.

1977ZA09      Rev.Roum.Phys. 22, 877 (1977)

M.Zaharcu, A.Iordachescu, E.A.Ivanov, D.Plostinaru

g-Factor of a New 1.84 μs Isomeric State in ⁸⁴Kr

NUCLEAR REACTIONS ⁸²Se(α, 2nγ), E=24 MeV; measured γ(θ, H, t). ⁸⁴Kr level deduced g.

1976IO02      Phys.Lett. 64B, 36 (1976)

M.Ionescu-Bujor, E.A.Ivanov, A.Iordaschescu, D.Plostinaru, G.Pascovici

Static Quadrupole Moment of the 8^- State of ¹¹²In

NUCLEAR MOMENTS ^112mIn [from ¹¹²Cd(d, 2n)]; measured γ(θ, t) for ¹¹²In in Cd; deduced quadrupole coupling constant.

doi: 10.1016/0370-2693(76)90350-6
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1976IO03      Phys.Lett. 64B, 151 (1976)

A.Iordachescu, E.A.Ivanov, D.Plostinaru, O.Echt, G.Pascovici, S.Vajda, B.Constantinescu, P.Racoltea

Spin, Lifetime and Magnetic Moment of a New Isomeric State in ¹²⁰Sb

NUCLEAR REACTIONS ¹²⁰Sn(p, n), E=11 MeV; measured γ(θ, H, t), X-rays. ¹²⁰Sb deduced level, J, π, g.

doi: 10.1016/0370-2693(76)90317-8
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1976IO04      Nucl.Phys. A272, 1 (1976)

M.Ionescu-Bujor, E.A.Ivanov, A.Iordachescu, D.Plostinaru, G.Pascovici

Two High-Spin Isomeric States in ¹¹²In

NUCLEAR REACTIONS ¹¹²Cd(p, n), E=5.7-11 MeV; ¹⁰⁹Ag(α, n), E=16-24 MeV; measured Eγ, Iγ(θ, H, t), I(X), γγ-coin. ¹¹²In deduced levels, J, π, T_1/2, multipolarities, g-factors. Enriched targets. NaI(Tl), Ge(Li), Si(Li) detectors.

doi: 10.1016/0375-9474(76)90314-6
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1976IO05      Hyperfine Interactions 2, 324 (1976)

M.Ionescu-Bujor, E.A.Ivanov, A.Iordachescu, D.Plostinaru, G.Pascovici

Half-Lives and Magnetic Moments of Two High Spin States in ¹¹²In

NUCLEAR REACTIONS ¹¹²Cd(p, nγ), ¹⁰⁹Ag(α, nγ); measured γ(θ, t), γγ(t), K X-ray(t). ¹¹²In levels deduced T_1/2, g, λ.

doi: 10.1007/BF01021159
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1975IO01      Rev.Roum.Phys. 20, 519 (1975)

A.Iordachescu, E.A.Ivanov, G.Pascovici

A Highly Excited Isomeric State in ³⁸K

NUCLEAR REACTIONS ³⁵Cl(α, n), E=12-27 MeV pulsed beam; measured Eγ, Iγ, γ(t), isomeric σ ratios. ^38mK deduced T_1/2. ³⁸K deduced levels, J, π, ICC.

1975IV02      Rev.Roum.Phys. 20, 141 (1975)

E.A.Ivanov, A.Iordachescu, G.Pascovici

Pulsed Beam Measurements of the g-Factors of the Isomeric States in ¹¹⁵Sn and ¹¹⁷Sb

NUCLEAR REACTIONS Cd, In(α, xnγ), E=24 MeV pulsed beam; measured γ(θ, H, t). ^115mSn, ^117mSb deduced g.

1975PL04      Phys.Lett. 57B, 235 (1975)

D.Plostinaru, E.A.Ivanov, G.Pascovici, A.Iordaschescu

Spin-Parity, Lifetime and Magnetic Moment of a Short-Lived Isomeric State in ¹¹⁸Sb

NUCLEAR REACTIONS ¹¹⁸Sn(p, nγ), E=6-12 MeV; ¹¹⁵In(α, nγ), E=20 MeV; measured K X-ray, Eγ, γ(θ, H, t), K X-ray γ-coin. ¹¹⁸Sb deduced transitions. ^118mSb deduced T_1/2, μ, ICC, J, π.

doi: 10.1016/0370-2693(75)90063-5
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1974IO01      Phys.Lett. 48B, 28 (1974)

A.Iordachescu, E.A.Ivanov, G.Pascovici

The Magnetic Moment of the 22 μs Isomeric State in ³⁸K

NUCLEAR REACTIONS ³⁵Cl(α, nγ); measured γ(θ, H, t). ³⁸K level deduced g.

doi: 10.1016/0370-2693(74)90448-1
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1974IO02      Rev.Roum.Phys. 19, 559 (1974)

M.Ionescu-Bujor, E.A.Ivanov, D.Plostinaru, M.Zaharcu

Isomeric Cross Section Ratios in the ¹¹⁰Cd(p, n)¹¹⁰In-m, g and ¹¹⁶Cd(p, n)¹¹⁶In-m₁m₂ Reactions

NUCLEAR REACTIONS ^110,116Cd(p, n), E=8, 10 MeV; measured ^110m,116mIn isomeric cross-section ratios.

1974IV02      Rev.Roum.Phys. 19, 233 (1974)

E.A.Ivanov, M.Ionescu-Bujor, C.Stoleriu, M.Zaharcu

Short-Lived Isomeric States Excited by Thermal Neutron Capture

NUCLEAR REACTIONS Ge, Ag, Sb, I, Cs, Eu, Tb, Ho, Er, Tm, Lu, Hf, W, Au(n, γ); measured γγ(t). ⁷¹Ge, ^108,110Ag, ¹²²Sb, ¹²⁸I, ¹³⁴Cs, ¹⁵²Eu, ¹⁶⁰Tb, ¹⁶⁶Ho, ¹⁶⁸Er, ¹⁷⁰Tm, ¹⁷⁷Lu, ¹⁹⁸Au levels deduced T_1/2.

1973PL06      Stud.Cercet.Fiz. 25, 387 (1973)

D.Plostinaru, E.A.Ivanov, A.Iordachescu, S.Vajda, G.Pascovici

Studiul Sectiunilor de Obtinere Cu Neutroni Rapizi a ^24mNa

NUCLEAR REACTIONS ²³Na(n, γ), E=.92, 2.28, 3.95 MeV; measured σ.

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset30187.

1972VA38      Phys.Lett. 42B, 54 (1972)

S.Vajda, A.Iordachescu, E.A.Ivanov, G.Pascovici

Investigation of a Short-Lived Isomeric State in ¹¹⁵Te

NUCLEAR REACTIONS ¹¹²Sn(α, nγ), E=15 MeV; measured Eγ, αγ-delay, αγ(θ, H, t), I(K X-ray). ^115mTe deduced α(K), T_1/2, g.

doi: 10.1016/0370-2693(72)90714-9
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1971IN04      Nucl.Phys. A171, 241 (1971)

H.Ingwersen, W.Klinger, W.Kreische, W.Lampert, G.Schatz, W.Witthuhn, E.A.Ivanov

Lifetime and g-Factor of the 181 keV Level in ⁷⁸Br

NUCLEAR REACTIONS ⁷⁸Se(p, nγ), Ep=5.5, 10.0 MeV; measured pγ(θ, H, t). ⁷⁸Br deduced levels, T_1/2, g. Natural, enriched targets.

doi: 10.1016/0375-9474(71)90021-2
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1969IV02      Rev.Roum.Phys. 14, 317 (1969)

E.A.Ivanov, A.Iordachescu, G.Pascovici

New Nuclear Isomers in the Microsecond Region

RADIOACTIVITY ⁵⁸Co, ⁶⁷Zn, ⁶⁹Ge, ⁷³As, ⁹²Nb, ⁹⁹Mo, ¹⁰¹Ru, ¹⁰⁵Pd, ¹⁰⁹Cd, ¹⁴⁰Ce, ¹⁴²Nd, ¹⁷⁰Tm, ¹⁷⁶Hf; measured T_1/2, Eγ. ¹⁴⁰Pr, ¹⁴⁹Eu, ^169,170Tm, ²⁰⁶Bi[from Ce, Sm, Eu, Er, Re, Pb(p, X)]; measured T_1/2, Eγ.

1968IV02      Rev.Roumaine Phys. 13, 879 (1968)

E.A.Ivanov, A.Iordachescu, G.Pascovici

Nuclear Isomers with Half-Lives in the 2-30 μs range Excited by Pulsed-Beam Proton Irradiations

NUCLEAR REACTIONS Zn, Ge, Br, Zr, Mo, Ag, Cd, In, Sn, Er, Ta(p, X), E=9-11 MeV; measured Eγ, pγ-delay. ⁶⁷Zn, ⁷³As, ⁸¹Br, ⁹²Nb, Tc, ¹⁰⁹Cd, ¹¹⁵Sn, ¹⁸¹W levels deduced T_1/2.

1967IV03      Rev.Roumaine Phys. 12, 829 (1967)

E.A.Ivanov

Nuclear Isomers with Half-Lives in the 30-3000μs Range, Excited in 24 MeV Alpha-Particle Bombardments on Natural Targets

NUCLEAR STRUCTURE ¹⁴²Nd, ¹¹⁵Sn, ¹⁰¹Ru, ¹⁰³Ru, ⁷⁸Br, ⁸¹Br, ¹⁸⁷Os, Gd, Mo, In, Sm, Ta, Br, Zr; measured not abstracted; deduced nuclear properties.

1967IV04      Rev.Roumaine Phys. 12, 885 (1967)

E.A.Ivanov

Short-Lived Isomers Excited by 10-MeV-Proton Irradiations

NUCLEAR STRUCTURE ²⁰³Pb, ²⁰⁵Pb, ⁷⁸Br, ⁸⁸Y, ¹⁰⁰Tc, ⁹⁰Nb, ⁷⁵As, ¹¹⁴In, ¹⁸⁰W; measured not abstracted; deduced nuclear properties.

1967IV05      Rev.Roumaine Phys. 12, 227 (1967)

E.A.Ivanov, M.I.Magda

The Half-Life of the 619 keV Isomeric Level of Sn¹¹⁵

NUCLEAR STRUCTURE ¹¹⁵Sn; measured not abstracted; deduced nuclear properties.

1966IV01      Phys.Lett. 23, 265 (1966)

E.A.Ivanov

Short-Lived Isomers Observed in Alpha Particle Bombardments of Natural Elements

NUCLEAR STRUCTURE ¹¹⁵In, ⁹⁰Zr, ⁹⁸Mo, ¹⁵²Sm, ¹⁵⁸Gd, ¹⁸¹Ta, Zr, Sm, Ta, In, Gd, Mo; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0031-9163(66)90178-8
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