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NSR database version of May 3, 2024.

Search: Author = E.S.Macias

Found 22 matches.

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1982ME10      J.Phys.(London) G8, 1413 (1982)

R.A.Meyer, J.W.T.Meadows, E.S.Macias

Opposing Properties of Particle-Hole and Intruder-Hole Bands in N = 87 Nuclei and ¹⁴⁹Sm Levels Populated by ¹⁴⁹Pm(β^-) and ¹⁴⁹Eu(EC)

RADIOACTIVITY ¹⁴⁹Eu(EC) [from Sm(p, xn), ¹⁴⁹Sm(α, 4n)¹⁴⁹Gd(EC-decay)]; ¹⁴⁹Pm(β^-) [from ¹⁴⁸Nd(n, γ)¹⁴⁹Nd(β-decay)]; measured Eγ, Iγ, γγ-coin, I(ce). ¹⁴⁹Sm deduced levels, ICC, γ-multipolarity, band structure, configuration. Compton suppression, Ge(Li), Si detectors.

doi: 10.1088/0305-4616/8/10/012
Citations: PlumX Metrics

1978HS01      Phys.Rev. C17, 272 (1978)

H.-C.Hseuh, E.S.Macias

Spectroscopy of the ¹⁰⁸In Nucleus

RADIOACTIVITY ¹⁰⁸Sn [from ¹⁰⁶Cd(α, 2n)]; measured T_1/2, Eγ, Iγ, γγ-coin; deduced log ft. ¹⁰⁸In deduced levels, J, π. Ge(Li) detectors, Ge(Li)-NaI(Tl) anti-Compton spectrometer.

NUCLEAR REACTIONS ¹⁰⁸Cd(p, nγ), E=6.5-10 MeV; measured Eγ, Iγ(E, θ). ¹⁰⁸In deduced levels, J, π, δ, γ-branching. Ge(Li) detectors, Ge(Li)-NaI(Tl) anti-Compton spectrometer.

doi: 10.1103/PhysRevC.17.272
Citations: PlumX Metrics

1976HS01      Phys.Rev. C14, 345 (1976)

H.-C.Hseuh, E.S.Macias

Identification of 2.90-min ¹⁰⁷Sn and 50-sec ¹⁰⁷In

RADIOACTIVITY ¹⁰⁷Sn, ^107mIn; measured T_1/2.

doi: 10.1103/PhysRevC.14.345
Citations: PlumX Metrics

1976MA37      Phys.Rev. C14, 639 (1976)

E.S.Macias, M.E.Phelps, D.G.Sarantites, R.A.Meyer

Decay of 39-Day ¹⁰³Ru and 17-Day ¹⁰³Pd to the Levels of ¹⁰³Rh

RADIOACTIVITY ¹⁰³Ru, ¹⁰³Pd; measured Eγ, Iγ, γX-ray coin, I(X-ray); deduced log ft. ¹⁰³Rh deduced levels, J, π, ICC, δ, B(E2), B(M1). Ge(Li), Si(Li) detectors, anti-Compton spectrometer.

doi: 10.1103/PhysRevC.14.639
Citations: PlumX Metrics

1976RU03      Phys.Rev. C13, 2166 (1976)

L.L.Rutledge, Jr., E.S.Macias, D.G.Sarantites

Properties of ⁹³Mo via ⁹³Nb(p, n)⁹³Mo*(γ) Reaction Spectrometry

NUCLEAR REACTIONS ⁹³Nb(p, nγ), E=3.7, 4.4 MeV; measured σ(Eγ, θ), γγ-coin, DBLS. ⁹³Mo deduced levels, J, π, δ, B(λ), T_1/2, γ-branching. Ge(Li)-NaI(Tl) anti-Compton spectrometer. Ge(Li) detectors.

doi: 10.1103/PhysRevC.13.2166
Citations: PlumX Metrics

1976ZA03      Phys.Rev. C13, 1590 (1976)

M.R.Zalutsky, E.S.Macias, R.A.Meyer

Structure of N = 81 Nuclei: Levels of ¹⁴¹Nd and ¹³⁹Ce Populated in Beta Decay

RADIOACTIVITY ¹⁴¹Pm, ¹³⁹Pr; measured Eγ, Iγ, γγ-coin; deduced log ft. ¹⁴¹Nd, ¹³⁹Ce deduced levels, J, π.

doi: 10.1103/PhysRevC.13.1590
Citations: PlumX Metrics

1975ZA01      Phys.Rev. A11, 75 (1975)

M.R.Zalutsky, E.S.Macias, A.L.Catz

Angular Correlation between K and L X Rays in Tantalum

ATOMIC PHYSICS Ta; measured K, L X-ray(θ).

doi: 10.1103/PhysRevA.11.75
Citations: PlumX Metrics

1975ZA02      Phys.Rev. A11, 71 (1975)

M.R.Zalutsky, E.S.Macias

Experimental Determination of the L₂-L₃X Coster-Kronig Transition Probability in Europium, Plutonium, and Curium

ATOMIC PHYSICS Eu, Pu, Cm; measured Coster-Kronig transition probabilities.

doi: 10.1103/PhysRevA.11.71
Citations: PlumX Metrics

1975ZA10      Phys.Rev. C12, 997 (1975)

M.R.Zalutsky, E.S.Macias

Decay of 5.8-min ¹⁴⁰Pm-m and 10-sec ¹⁴⁰Pm-g to Levels of ¹⁴⁰Nd

RADIOACTIVITY ^140,140mPm [from ¹⁴¹Pr(³He, 4n)]; measured Eγ, Iγ, γγ-coin, T_1/2. ¹⁴⁰Nd deduced levels, J, π.

doi: 10.1103/PhysRevC.12.997
Citations: PlumX Metrics

1975ZA11      Phys.Rev. C12, 1076 (1975)

M.R.Zalutsky, E.S.Macias

Search for an Anisotropy between L1 X Rays and γ Rays in the Decay of ²⁴³Cm

RADIOACTIVITY ²⁴³Cm; measured γL X-ray (θ).

doi: 10.1103/PhysRevC.12.1076
Citations: PlumX Metrics

1974MA27      Phys.Rev. A9, 2356 (1974)

E.S.Macias, M.R.Zalutsky

K-L X-Ray Angular Correlations in Cm, Pu, and Eu

RADIOACTIVITY ²⁴³Cm, ¹⁵³Gd, ²⁴⁹Cf; measured XX(θ).

doi: 10.1103/PhysRevA.9.2356
Citations: PlumX Metrics

1974MA48      Nucl.Instrum.Methods 122, 365 (1974)

E.S.Macias, R.E.Head, H.-C.Hseuh, M.R.Zalutsky

On-Line Determination of Transport Time of a Helium-Jet System

NUCLEAR REACTIONS Ag(α, X), E=25 MeV; measured ¹⁰⁹In isomeric yield ratio.

doi: 10.1016/0029-554X(74)90501-1
Citations: PlumX Metrics

1971BL04      Phys.Rev. C4, 214 (1971)

J.Blachot, H.N.Erten, C.D.Coryell, E.S.Macias, W.B.Walters

Radioactive Decay of 23-min ¹³¹Sb to Levels of ¹³¹Te

RADIOACTIVITY ¹³¹Sb; measured Eγ, Iγ, γγ-coin; deduced log ft. ¹³¹Te deduced levels, J, π, γ-branching.

doi: 10.1103/PhysRevC.4.214
Citations: PlumX Metrics

1971CA13      Phys.Rev. A3, 849 (1971)

A.L.Catz, E.S.Macias

Angular Correlation between K and L X Rays in Ta and Tl

doi: 10.1103/PhysRevA.3.849
Citations: PlumX Metrics

1971MA01      Nucl.Phys. A160, 274 (1971)

E.S.Macias, W.B.Walters

Directional Correlations of Gamma Rays in ¹²⁵Sb Following the Decay of 9.6 d ^125gSn

RADIOACTIVITY ^125gSn[from ¹²⁴Sn(d, p)]; measured Eγ, Iγ, γγ-coin, γγ(θ); deduced log ft. ¹²⁵Sb deduced levels, J, π. Enriched target. Ge(Li), NaI(Tl) detectors.

doi: 10.1016/0375-9474(71)90131-X
Citations: PlumX Metrics

1971MA04      Nucl.Phys. A161, 471 (1971)

E.S.Macias, W.B.Walters

Decay Scheme of 25 min ^131gTe

RADIOACTIVITY ^131gTe[from ¹³⁰Te(n, γ)]; measured Eγ, Iγ, γγ-coin, γγ-delay; deduced log ft. ¹³¹I deduced levels, J, π, T_1/2. Enriched target. Ge(Li) detectors.

doi: 10.1016/0375-9474(71)90381-2
Citations: PlumX Metrics

1971MA37      Nucl.Phys. A169, 305 (1971)

E.S.Macias, W.B.Walters

Gamma-Gamma Directional Correlations in ¹³⁵Xe Following the Decay of ¹³⁵I

RADIOACTIVITY ¹³⁵I [from ²³⁵U fission]; measured γγ(θ). ¹³⁵Xe deduced levels, J, π. Enriched target. Ge(Li), NaI(Tl) detectors.

doi: 10.1016/0375-9474(71)90886-4
Citations: PlumX Metrics

1971ZO02      Phys.Rev. C3, 1699 (1971)

W.H.Zoller, P.K.Hopke, J.L.Fasching, E.S.Macias, W.B.Walters

Half-Life Variations of ¹³¹I Samples

RADIOACTIVITY ¹³¹I; measured T_1/2 in various chemical states.

doi: 10.1103/PhysRevC.3.1699
Citations: PlumX Metrics

1970MA19      Nucl.Phys. A147, 513 (1970)

E.S.Macias, J.P.op de Beeck, W.B.Walters

Decay of 6.7 h ¹³⁵I to Levels of ¹³⁵Xe

RADIOACTIVITY ¹³⁵I[from ²³⁵U fission]; measured Eγ, Iγ, Eβ, γγ-coin, βγ-coin; deduced Q, log ft. ¹³⁵Xe deduced levels, J, π. Enriched target; Ge(Li) detector.

doi: 10.1016/0375-9474(70)90596-8
Citations: PlumX Metrics

1970MA58      Thesis, Mass.Inst.Tech. (1970)

E.S.Macias

Spectroscopic Studies of Nuclear and Atomic Systems Using the Angular Correlation Method

RADIOACTIVITY ¹³⁵I; measured Eγ, Iγ, βγ-, γγ-coin, γγ(θ), Eβ; deduced log ft. ^131gTe; measured Eγ, Iγ, γγ-coin, γγ-delay; deduced log ft. ^125gSn; measured Eγ, Iγ, γγ-coin, γγ(θ); deduced log ft. ¹⁰³Ru;measured Eγ, Iγ, γγ-coin, I(ce), γγ(θ); deduced log ft. ⁵⁶Co; measured γγ(θ). ¹³⁵Xe, ¹³¹I deduced levels, J, π. ¹²⁵Sb deduced levels, J, π, γ-mixing. ¹⁰³Rh deduced levels, J, π, ICC. ⁵⁶Fe levels deduced J, π, γ-multipolarity.

1969ZO02      Nucl.Phys. A130, 293 (1969)

W.H.Zoller, E.S.Macias, M.B.Perkal, W.B.Walters

Decay of 40d ¹⁰³Ru and 17d ¹⁰³Pd to Levels of ¹⁰³Rh

RADIOACTIVITY ¹⁰³Ru [from ¹⁰²Ru(n, γ)], ¹⁰³Pd [from ¹⁰³Rh(d, 2n)]; measured Eγ, Iγ, γγ(θ), I(ce), ICC. ¹⁰³Rh deduced levels, J, π. Enriched target, Ge(Li), Si(Li) detectors.

doi: 10.1016/0375-9474(69)90731-3
Citations: PlumX Metrics

1967ZO01      MIT-905-108, p.12 (1967)

W.H.Zoller, J.Op de Beeck, E.S.Macias, W.B.Walters

Search for ⁵²Ti

NUCLEAR REACTIONS ⁵⁰Ti(t, p), E not given; measured Eγ. ⁵²Ti deduced no activity.