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Search: Author = I.Halpern

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1992RO17      Phys.Rev. C46, 1968 (1992)

D.P.Rosenzweig, J.F.Amann, R.L.Boudrie, K.G.R.Doss, D.M.Drake, I.Halpern, M.A.Khandaker, J.Nelson, D.W.Storm, D.R.Tieger, S.A.Wood

Comparison of Inclusive Inelastic Scattering of π⁺ and π^- from Nuclei at 100 MeV

NUCLEAR REACTIONS ¹²C, ⁴⁰Ca, Sn, Pb(π⁺, π⁺'X), (π^-, π^-'X), E=100 MeV; measured σ(E(π), θ); deduced σ(ratios), relations between pion absorption and scattering. Semiclassical transport model.

doi: 10.1103/PhysRevC.46.1968
Citations: PlumX Metrics

1991KH04      Phys.Rev. C44, 24 (1991)

M.A.Khandaker, M.Doss, I.Halpern, T.Murakami, D.W.Storm, D.R.Tieger, W.J.Burger

Inclusive Inelastic Scattering of 96.5-MeV π⁺ and π^- by the Hydrogen and Helium Isotopes

NUCLEAR REACTIONS ²H, ^3,4He(π⁺, π⁺), (π^-, π^-), (π⁺, π⁺'), (π^-, π^-'), E=96.5 MeV; measured σ(θ), σ. ^2,3H, ^3,4He deduced pion absorption width ratios, branching ratios.

doi: 10.1103/PhysRevC.44.24
Citations: PlumX Metrics

1988MU06      J.Phys.(London) G14, Supplement S275 (1988)

T.Murakami, C.A.Gossett, I.Halpern, D.P.Rosenzweig, D.W.Storm, D.R.Tieger, P.T.Debevec, A.Freytag, L.J.Morford, S.A.Wender, D.H.Dowell

Photoneutron Studies of the Giant Isovector Quadrupole Resonance in Calcium, Cadmium, and Lead

NUCLEAR REACTIONS Ca, Cd, Pb(γ, n), E=28-39 MeV bremsstrahlung; measured σ(θ), neutron asymmetry; deduced electric dipole, quadrupole amplitude interference role.

doi: 10.1088/0305-4616/14/S/029
Citations: PlumX Metrics

1987MU02      Phys.Rev. C35, 479 (1987)

T.Murakami, I.Halpern, D.W.Storm, P.T.Debevec, L.J.Morford, S.A.Wender, D.H.Dowell

Forward-to-Backward Asymmetry of the (γ, n) Reaction in the Energy Range 20-30 MeV

NUCLEAR REACTIONS Cd, Pb, ²⁰⁶Pb(γ, n), E=20-30 MeV; measured σ(Eγ, θ), asymmetries. Cd, Pb deduced E2 isovector resonance excitation energies, widths. Liquid scintillator. Direct-semidirect calculations.

doi: 10.1103/PhysRevC.35.479
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1987ST26      Can.J.Phys. 65, 677 (1987)

D.W.Storm, I.Halpern, C.A.Gossett, T.Murakami, D.P.Rosenzweig, D.R.Tieger, P.T.Debevec, A.Freytag, L.J.Morford, S.A.Wender, D.H.Dowell

(γ, n) Studies of the Giant Isovector E2 Resonance in Lead, Cadmium, and Calcium

NUCLEAR REACTIONS Ca, Cd, Pb(γ, n), E=20-40 MeV; measured σ(En), σ(θn), asymmetries; deduced giant isovector, quadrupole resonance parameters. Natural targets. Direct semdirect calculations.

doi: 10.1139/p87-096
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1986AN01      Phys.Rev. C33, 208 (1986)

K.A.Aniol, D.T.Chiang, K.G.R.Doss, I.Halpern, M.Khandaker, D.W.Storm, D.R.Tieger, P.D.Barnes, B.Bassalleck, N.J.Colella, S.A.Dytman, R.A.Eisenstein, R.Grace, C.Maher, D.Marlow, P.Pile, R.Rieder, F.Takeutchi, W.R.Wharton, J.F.Amann, J.Julien

Low Energy π⁺ Inelastic Scattering from Nuclei to the Continuum

NUCLEAR REACTIONS C, Ca, Sn, Pb(π⁺, π⁺'), E=67-100 MeV; measured σ(θ, E). Simple classical model interpretation.

doi: 10.1103/PhysRevC.33.208
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1984WE08      Nucl.Phys. A417, 405 (1984)

W.G.Weitkamp, I.Halpern, T.A.Trainor, S.K.Lamoreaux, Z.Y.Liu

Depolarization in Proton Inclusive Inelastic Scattering and in the (d(pol), p(pol)) Reaction on Medium-Weight Nuclei

NUCLEAR REACTIONS ⁵⁴Fe, ⁹²Mo(polarized p, p'), E=18 MeV; ⁶³Cu(polarized p, p'), E=14.35 MeV; measured σ(θ), depolarization parameter vs θ. Two-component model analysis. ⁵⁴Fe(polarized d, p), E=16 MeV; measured σ(θ), depolarization vs θ. Extended two-component model analysis.

doi: 10.1016/0375-9474(84)90405-6
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1631.

1983JE01      Phys.Rev. C27, 697 (1983)

R.H.Jeppesen, M.J.Jakobson, M.D.Cooper, D.C.Hagerman, M.B.Johnson, R.P.Redwine, G.R.Burleson, K.F.Johnson, R.E.Marrs, H.O.Meyer, I.Halpern, L.D.Knutson

Pion-Nucleus Forward Scattering Amplitudes from Total Cross Section Measurements

NUCLEAR REACTIONS ²⁷Al, ⁴⁰Ca, ^63,65Cu, Sn, ¹⁶⁵Ho, Pb(π⁺, π⁺), (π⁺, X), (π^-, π^-), (π^-, X), E=114-215 MeV; measured total σ, attenuation σ; deduced Coulomb distorted forward scattering amplitude real, imaginary parts. Strong absorption model.

doi: 10.1103/PhysRevC.27.697
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1982BH02      Phys.Lett. 112B, 299 (1982)

H.C.Bhang, I.Halpern, T.A.Trainor

Orbiting Effects in the Inelastic Scattering of Protons to the Continuum

NUCLEAR REACTIONS ^65,58Ni(polarized p, p'), E=65 MeV; calculated σ(θ), A(θ); deduced reaction mechanism. One-step DWBA analysis.

doi: 10.1016/0370-2693(82)91054-1
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1982LE24      Nucl.Phys. A390, 221 (1982)

A.Lepretre, H.Beil, R.Bergere, P.Carlos, J.Fagot, A.Veyssiere, I.Halpern

Analysis of Neutron Multiplicities in Photonuclear Reactions from 30 to 140 MeV in Heavy Elements

NUCLEAR REACTIONS Sn, Ce, Ta, Pb(γ, xn), E=25-140 MeV; measured photoneutron mean numbers, width distributions; deduced evaporation, fast neutron, proton average numbers. Monochromatic photons.

doi: 10.1016/0375-9474(82)90159-2
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1981DR08      Phys.Rev.Lett. 47, 1581 (1981)

D.M.Drake, S.Joly, L.Nilsson, S.A.Wender, K.Anoil, I.Halpern, D.Storm

E2 Isovector Giant Resonance as Seen through the Capture of Fast Neutrons

NUCLEAR REACTIONS ²⁰⁸Pb(n, γ), E=7-20 MeV; measured σ(Eγ), asymmetry. ²⁰⁹Pb deduced E2 giant isovector resonance.

doi: 10.1103/PhysRevLett.47.1581
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1977FI11      Phys.Rev. C16, 2367 (1977)

T.R.Fisher, J.A.Becker, B.A.Watson, H.Marshak, G.R.Burleson, M.D.Cooper, D.C.Hagerman, I.Halpern, M.J.Jakobson, R.H.Jeppesen, K.F.Johnson, L.D.Knutson, R.E.Marrs, H.O.Meyer, R.P.Redwine

Pion Cross Section Measurements on Aligned ¹⁶⁵Ho in the (3, 3) Resonance Region

NUCLEAR REACTIONS ¹⁶⁵Ho(π⁺, π⁺), (π^-, π^-), E=115, 165, 240 MeV; measured tagged pion removal σ, σ ratios for aligned, unaligned targets.

doi: 10.1103/PhysRevC.16.2367
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1977JA03      Phys.Rev.Lett. 38, 1201 (1977)

M.J.Jakobson, G.R.Burleson, J.R.Calarco, M.D.Cooper, D.C.Hagerman, I.Halpern, R.H.Jeppesen, K.F.Johnson, L.D.Knutson, R.E.Marrs, H.O.Meyer, R.P.Redwine

Neutron Radii of Calcium Isotopes from Pion Total Cross Section Measurements

NUCLEAR REACTIONS ^40,44,48Ca(π⁺, X), (π^-, X), E=90-240 MeV; measured total σ(E) differences.

doi: 10.1103/PhysRevLett.38.1201
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1976BR28      Phys.Rev. C14, 896 (1976)

D.R.Brown, I.Halpern, J.R.Calarco, P.A.Russo, D.L.Hendrie, H.Homeyer

Neutron Pickup by Alpha Particles to Unbound States

NUCLEAR REACTIONS ¹²C, Rh, ²⁰⁸Pb, U(α, ⁵He), E=42, 90 MeV; measured αn-coin, σ.

doi: 10.1103/PhysRevC.14.896
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1975AR19      Phys.Rev.Lett. 35, 914 (1975)

E.D.Arthur, D.M.Drake, I.Halpern

Fore-Aft Anisotropy in the Radiative Capture of 14-MeV Neutrons

NUCLEAR REACTIONS ¹⁰B, ¹²C, ²⁹Si, ⁴⁰Ca(n, γ), E=14 MeV; measured γ-yields, Iγ(θ).

doi: 10.1103/PhysRevLett.35.914
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1973DR02      Nucl.Phys. A203, 257 (1973)

D.M.Drake, S.L.Whetstone, I.Halpern

The Radiative Capture of Fast Protons by Medium-Mass Nuclei

NUCLEAR REACTIONS ⁵⁶Fe, ⁵⁹Co, ^58,60,61Ni, ⁶³Cu, ⁶⁴Zn(p, γ), E=8-22 MeV; measured σ(E;Eγ). Enriched targets.

doi: 10.1016/0375-9474(73)90134-6
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0092.

1972BI15      Nucl.Phys. A198, 161 (1972)

C.J.Bishop, I.Halpern, R.W.Shaw, Jr., R.Vandenbosch

The Energy Dependence of the Fissionability of Neptunium Isotopes and the Level Density of Highly Deformed Nuclei

NUCLEAR REACTIONS, Fission ²³³U, ²³⁸U(p, xnF), E=11.5-22 MeV; measured (n)(fragment)(θ); ascribe deduced excitation energy dependence of n-width/t-width to deformation dependence of nuclear level density.

doi: 10.1016/0375-9474(72)90778-6
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1972FE08      Nucl.Phys. A188, 1 (1972)

S.M.Ferguson, H.Ejiri, I.Halpern

De-Excitation of Rare-Earth Compound Nuclei Formed in Bombardments with 40 MeV α-Particles

NUCLEAR REACTIONS ¹⁵⁴Sm, ^157,158,160Gd, ^163,164Dy, ^167,168Er, ^173,174,176Yb, ^179,180Hf(α, xnγ), E=40.5 MeV;αγ-delay, Iγ, σ. ¹⁵⁴Gd, ^158,160Dy, ¹⁶⁴Er, ¹⁶⁸Yb, ^174,176Hf, ¹⁸⁰W deduced ground band transition intensities.

doi: 10.1016/0375-9474(72)90175-3
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1971CH31      Phys.Rev.Lett. 27, 434 (1971)

G.Chenevert, N.S.Chant, I.Halpern, C.Glashausser, D.L.Hendrie

Gross Structure in the Spectra of Helium Ions Inelastically Scattered from Heavy Nuclei with Large Energy Loss

NUCLEAR REACTIONS ²⁰⁸Pb(α, α'), E=65 MeV; measured σ(Eα', θ=15-50°); deduced gross structure.

doi: 10.1103/PhysRevLett.27.434
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2755.

1970BI06      Nucl.Phys. A150, 129 (1970)

C.J.Bishop, R.Vandenbosch, R.Aley, R.W.Shaw, Jr., I.Halpern

Excitation Energy Dependence of Neutron Yields and Fragment Kinetic Energy Release in the Proton Induced Fission of ²³³U and ²³⁸U

NUCLEAR REACTIONS, Fission ^233,238U(p, F), E=9.5-22 MeV; measured prompt neutron energies, yields(E;fragment mass).

doi: 10.1016/0375-9474(70)90462-8
Citations: PlumX Metrics

1970DR01      Phys.Lett. 32B, 349 (1970)

D.Drake, S.L.Whetstone, I.Halpern

Spectra of High-Energy Photons Emitted from the Compound System ⁶⁴Zn in Various Nuclear Reactions

NUCLEAR REACTIONS ⁶³Cu(p, Xγ), ⁶¹Ni(³He, Xγ), ⁶⁰Ni(α, Xγ), E approx 10-20 MeV; measured σ(E;Eγ).

doi: 10.1016/0370-2693(70)90492-2
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1970ZI02      Phys.Lett. 33B, 205 (1970)

J.Zimanyi, I.Halpern, V.A.Madsen

On the Effective Charge Factor for the Radiative Capture of Fast Nucleons

NUCLEAR REACTIONS ²⁰⁶Pb(n, γ), E=1.5-8.5 MeV; measured nothing; analyzed σ(E;Eγ). ²⁰⁷Pb deduced effective charge factors for levels.

doi: 10.1016/0370-2693(70)90572-1
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1969EJ01      Phys.Letters 29B, 111 (1969)

H.Ejiri, S.M.Ferguson, I.Halpern, R.Heffner

Gamma-Ray Transitions from Isobaric Analogue States to Low-Lying States in ⁹³Tc

NUCLEAR REACTIONS ⁹²Mo(p, γ), E=5.874, 6.54 MeV; measured σ(E), Eγ. ⁹³Tc deduced resonances, level-width, isobaric analog.

doi: 10.1016/0370-2693(69)90259-7
Citations: PlumX Metrics

1968CH32      Nucl.Phys. A122, 481(1968)

G.Chenevert, I.Halpern, B.G.Harvey, D.L.Hendrie

The Evaporation of α-Particles from Heavy Nuclei

NUCLEAR REACTIONS ¹⁸¹Ta, ¹⁹⁷Au, ²⁰⁸Pb(α, α'); E=50, 65, 90 MeV; measured σ(Eα', θ). Interpreted low-energy portion of backward angle spectra in terms of statistical theory.

doi: 10.1016/0375-9474(68)90573-3
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2329.

1968WI16      Phys.Rev. 174, 1544 (1968)

C.F.Williamson, S.M.Ferguson, B.J.Shepherd, I.Halpern

Intensities and Angular Distributions of Ground-State Rotational Transitions Excited in (α, 3n) and (α, 4n) Reactions

NUCLEAR STRUCTURE ¹⁵⁴Gd, ¹⁵⁶Dy, ¹⁶⁰Dy, ¹⁶²Er, ¹⁶⁸Yb, ¹⁵²Gd, ¹⁷⁰Yb, ¹⁷⁶Hf; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.174.1544
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1966SH11      Phys.Rev.Letters 17, 806 (1966)

B.J.Shepherd, C.F.Williamson, I.Halpern

Removal of Angular Momentum by Evaporating Neutrons and Photons in the (α, 3n) Reaction

NUCLEAR STRUCTURE ¹⁶²Er, ¹⁵⁶Dy, ¹⁶⁸Yb; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRevLett.17.806
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1964CO37      Phys.Rev. 133, B724 (1964)

J.A.Coleman, A.W.Fairhall, I.Halpern

Long-Range Particle Emission in Coincidence with Fission at Moderate Excitation Energies

NUCLEAR REACTIONS ²³²Th, ²³⁸U(p, X), E=10.5 MeV; ²³²Th, ²³⁸U(α, X), E=29.5, 42 MeV; measured fission fragments, Eα, Iα; deduced α particles yields per fission.

doi: 10.1103/PhysRev.133.B724
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2452.

1960BO04      Bull.Am.Phys.Soc. 5, No.4, 267, P7 (1960)

D.Bodansky, R.C.Cole, W.G.Cross, C.R.Gruhn, I.Halpern

Evaporation of Protons in Coincidence in Alpha-Particle Bombardment of Ni⁵⁸

NUCLEAR STRUCTURE ⁶⁰Ni; measured not abstracted; deduced nuclear properties.

1959BA32      Phys.Rev. 114, 305 (1959)

J.B.Ball, A.W.Fairhall, I.Halpern

Radiative Alpha-Particle Capture in Ni⁵⁸ and Xe¹³⁶ at Higher Energies

doi: 10.1103/PhysRev.114.305
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetP0072.

1958BA59      Bull.Am.Phys.Soc. 3, No.5, 322, H6 (1958)

J.B.Ball, A.W.Fairhall, I.Halpern

Capture Cross Sections for Moderate Energy Charged Particles

1957BO83      Phys.Rev. 108, 1019 (1957)

D.Bodansky, S.F.Eccles, I.Halpern

Breakup of Be^9* (2.43 MeV)

doi: 10.1103/PhysRev.108.1019
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1952DE36      Phys.Rev. 87, 196 H5 (1952)

R.J.Debs, J.T.Eisinger, A.W.Fairhall, I.Halpern, H.G.Richter

Photonuclear Yield from Copper Through Arsenic

NUCLEAR REACTIONS Cu, ⁷⁵As(γ, X), E=330 MeV; measured reaction products. ⁶⁴Zn, ⁷⁰Ge; deduced yields.

doi: 10.1103/PhysRev.87.179
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1951BE42      Phys.Rev. 84, 155 (1951)

J.K.Beling, B.T.Feld, I.Halpern

The α-γ Angular Correlation in the Decay of Radiothorium

doi: 10.1103/PhysRev.84.155
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