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NSR database version of April 11, 2024.

Search: Author = K.B.Beard

Found 21 matches.

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1995SO17      Phys.Lett. 350B, 173 (1995)

F.Soramel, T.L.Khoo, Ph.Benet, K.B.Beard, R.V.F.Janssens, I.Ahmad, I.Bearden, M.P.Carpenter, P.J.Daly, M.W.Drigert, B.Fornal, U.Garg, Z.Grabowski, T.Lauritsen, Y.Liang, R.Meyer, E.F.Moore, W.Reviol, D.Ye

Search for Entrance Channel Dependence in the Population of Superdeformed Bands in 191Hg

NUCLEAR REACTIONS 160Gd(36S, 5n), E=169 MeV; 130Te(64Ni, 3n), E=257 MeV; measured γγ-coin, Eγ, Iγ. 191Hg deduced levels, J, π, superdeformed bands population entrance channel dependence.

doi: 10.1016/0370-2693(95)00342-I
Citations: PlumX Metrics


1994ED01      Phys.Rev. C50, R1749 (1994)

T.Eden, R.Madey, W.-M.Zhang, B.D.Anderson, H.Arenhovel, A.R.Baldwin, D.Barkhuff, K.B.Beard, W.Bertozzi, J.M.Cameron, C.C.Chang, G.W.Dodson, K.Dow, M.Farkhondeh, J.M.Finn, B.S.Flanders, C.Hyde-Wright, W.-D.Jiang, D.Keane, J.J.Kelly, W.Korsch, S.Kowalski, R.Lourie, D.M.Manley, P.Markowitz, J.Mougey, B.Ni, T.Payerle, P.J.Pella, T.Reichelt, P.M.Rutt, M.Spraker, D.Tieger, W.Turchinetz, P.E.Ulmer, S.Van Verst, J.W.Watson, L.B.Weinstein, R.R.Whitney

Electric Form Factor of the Neutron from the 2H(e(pol), e'n(pol))1H Reaction at Q2 = 0.255 (GeV/c)2

NUCLEAR REACTIONS 2H(polarized e, e'n), E=868 MeV; measured neutron polarization. 1n deduced electric form factor.

doi: 10.1103/PhysRevC.50.R1749
Citations: PlumX Metrics


1994SA04      Phys.Rev. C49, 1016 (1994)

S.J.Sanders, A.Hasan, F.W.Prosser, B.B.Back, R.R.Betts, M.P.Carpenter, D.J.Henderson, R.V.F.Janssens, T.L.Khoo, E.F.Moore, P.R.Wilt, F.L.H.Wolfs, A.H.Wuosmaa, K.B.Beard, Ph.Benet

Selective Population of States in Fission Fragments from the 32S + 24Mg Reaction

NUCLEAR REACTIONS 24Mg(32S, F), E=120.9, 129 MeV; 24Mg(32S, 24Mg), E(cm)=51, 54.5 MeV; measured fission, reaction (particle)(particle)γ-, particle(γ)-, (particle)(particle)-coin; deduced selective population of 28Si states in 56Ni fission. Statistical model.

doi: 10.1103/PhysRevC.49.1016
Citations: PlumX Metrics


1993KH06      Nucl.Phys. A557, 83c (1993)

T.L.Khoo, T.Lauritsen, I.Ahmad, M.P.Carpenter, P.B.Fernandez, R.V.F.Janssens, E.F.Moore, F.L.H.Wolfs, Ph.Benet, P.J.Daly, K.B.Beard, U.Garg, D.Ye, M.W.Drigert

Feeding and Decay of Superdeformed States

NUCLEAR STRUCTURE 192Hg; analyzed superdeformed band feeding, decay data; deduced mechanisms.

doi: 10.1016/0375-9474(93)90533-4
Citations: PlumX Metrics


1993MA21      Phys.Rev. C48, R5 (1993)

P.Markowitz, J.M.Finn, B.D.Anderson, H.Arenhovel, A.R.Baldwin, D.Barkhuff, K.B.Beard, W.Bertozzi, J.M.Cameron, C.C.Chang, G.W.Dodson, K.Dow, T.Eden, M.Farkhondeh, B.Flanders, C.Hyde-Wright, W.-D.Jiang, D.Keane, J.J.Kelly, W.Korsch, S.Kowalski, R.Lourie, R.Madey, D.M.Manley, J.Mougey, B.Ni, T.Payerle, P.Pella, T.Reichelt, P.M.Rutt, M.Spraker, D.Tieger, W.Turchinetz, P.E.Ulmer, S.Van Verst, J.W.Watson, L.B.Weinstein, R.R.Whitney, W.M.Zhang

Measurement of the Magnetic Form Factor of the Neutron

NUCLEAR REACTIONS 2H(e, e'n), E not given; measured en-coin. 1n deduced magnetic form factor. Associated particle technique.

doi: 10.1103/PhysRevC.48.R5
Citations: PlumX Metrics


1993ZH13      Phys.Rev. C48, 429 (1993)

Z.Zhao, R.H.France III, K.S.Lai, M.Gai, E.L.Wildes, R.A.Kryger, J.A.Winger, K.B.Beard

Study of the Beta-Delayed Alpha-Particle Emission of 16N

RADIOACTIVITY 16N(β-) [from 9Be(18O, X), E=80 MeV/nucleon]; measured β-delayed Eα, Iα, Eγ, Iγ; deduced 12C(α, γ) reaction, massive stars helium burning process implications. 16O level deduced β-decay branching ratio.

doi: 10.1103/PhysRevC.48.429
Citations: PlumX Metrics


1992LA19      Phys.Rev.Lett. 69, 2479 (1992)

T.Lauritsen, Ph.Benet, T.L.Khoo, K.B.Beard, I.Ahmad, M.P.Carpenter, P.J.Daly, M.W.Drigert, U.Garg, P.B.Fernandez, R.V.F.Janssens, E.F.Moore, F.L.H.Wolfs, D.Ye

Feeding of Superdeformed Bands: The mechanism and constraints on band energies and the well depth

NUCLEAR REACTIONS 160Gd(36S, 4n), E=159 MeV; measured γγ-coin. 192Hg deduced superdeformed band feeding, entry distribution features.

doi: 10.1103/PhysRevLett.69.2479
Citations: PlumX Metrics


1992YE01      Nucl.Phys. A537, 207 (1992)

D.Ye, K.B.Beard, U.Garg, R.V.F.Janssens, M.P.Carpenter, I.Ahmad, T.L.Khoo, E.F.Moore, F.L.H.Wolfs, Ph.Benet, Z.W.Grabowski, M.W.Drigert

Multiple Band Structures in 191Hg

NUCLEAR REACTIONS 160Gd(36S, 5n), E=162, 167, 172 MeV; measured Eγ, Iγ, γγ(θ), Doppler shifts. 191Hg deduced levels, J, π band structures, deformation. Enriched target, Compton-suppressed Ge-detectors, central array of BGO hexagons. Cranked shell model calculations.

doi: 10.1016/0375-9474(92)90165-G
Citations: PlumX Metrics


1990CA18      Phys.Lett. 240B, 44 (1990)

M.P.Carpenter, R.V.F.Janssens, E.F.Moore, I.Ahmad, P.B.Fernandez, T.L.Khoo, F.L.H.Wolfs, D.Ye, K.B.Beard, U.Garg, M.W.Drigert, Ph.Benet, R.Wyss, W.Satula, W.Nazarewicz, M.A.Riley

Excited Superdeformed Bands in 191Hg

NUCLEAR REACTIONS 160Gd(36S, 5n), E=167, 172 MeV; measured γγ-coin. 191Hg deduced levels, J, π, superdeformed band structure.

doi: 10.1016/0370-2693(90)90406-V
Citations: PlumX Metrics


1990CA37      Nucl.Phys. A520, 133c (1990)

M.P.Carpenter, D.Ye, R.V.F.Janssens, T.L.Khoo, I.Ahmad, K.B.Beard, Ph.Benet, J.A.Cizewski, M.W.Drigert, P.Fernandez, U.Garg, E.F.Moore, F.L.H.Wolfs

Evidence of Time Delay in the Decay of the Superdeformed Bands of 191,192Hg

NUCLEAR REACTIONS 160Gd(36S, 4n), (36S, 5n), E=167 MeV; measured γγ-coin. 191,192Hg deduced levels, J, π, superdeformed band decay time delay.

doi: 10.1016/0375-9474(90)91141-D
Citations: PlumX Metrics


1990GA07      Phys.Rev. C41, 1845 (1990)

U.Garg, K.B.Beard, D.Ye, A.Galonsky, T.Murakami, J.S.Winfield, Y.-W.Lui, D.H.Youngblood

Experimental Test of a Newly Proposed Empirical Relationship between the Centroid and Width of the Giant Quadrupole Resonance and the Neutron Binding Energy of the Nucleus

NUCLEAR REACTIONS 58,64Ni(14N, 14N'), E=700 MeV; measured σ(E(14N)). 58,64Ni deduced GDR parameters.

doi: 10.1103/PhysRevC.41.1845
Citations: PlumX Metrics


1990JA13      Nucl.Phys. A520, 75c (1990)

R.V.F.Janssens, M.P.Carpenter, M.W.Drigert, P.B.Fernandez, E.F.Moore, D.Ye, I.Ahmad, K.B.Beard, I.G.Bearden, Ph.Benet, P.J.Daly, U.Garg, Z.W.Grabowski, T.L.Khoo, W.Reviol, F.L.H.Wolfs

Superdeformation in the Mercury Nuclei

NUCLEAR STRUCTURE 194,196Pb, 193,194Tl, 189,190,191,192,193,194Hg; compiled, analyzed superdeformed band data.

doi: 10.1016/0375-9474(90)91135-E
Citations: PlumX Metrics


1990KH06      Nucl.Phys. A520, 169c (1990)

T.L.Khoo, R.V.F.Janssens, E.F.Moore, K.B.Beard, Ph.Benet, I.Ahmad, M.P.Carpenter, R.R.Chasman, P.J.Daly, M.W.Drigert, U.Garg, Z.W.Grabowski, F.L.H.Wolfs, D.Ye

Population of Superdeformed Bands, the Competition with Fission, and the Barrier between Normal and Superdeformed States

NUCLEAR REACTIONS 160Gd(36S, 4n), E=154-172 MeV; 120Sn(36S, 4n), E=170 MeV; measured γγ-coin, γ-multiplicity. 152Dy, 192Hg deduced superdeformed band level entry, feeding spin features.

doi: 10.1016/0375-9474(90)91144-G
Citations: PlumX Metrics


1990MO16      Phys.Rev.Lett. 64, 3127 (1990)

E.F.Moore, R.V.F.Janssens, I.Ahmad, M.P.Carpenter, P.B.Fernandez, T.L.Khoo, S.L.Ridley, F.L.H.Wolfs, D.Ye, K.B.Beard, U.Garg, M.W.Drigert, Ph.Benet, P.J.Daly, R.Wyss, W.Nazarewicz

Lifetime Measurements in the Superdeformed Band of 192Hg

NUCLEAR REACTIONS 160Gd(36S, 4n), E=159 MeV; measured γγ-coin, DSA. 192Hg deduced levels, T1/2, B(E2), transition quadrupole moment, J, π, superdeformed band structure.

doi: 10.1103/PhysRevLett.64.3127
Citations: PlumX Metrics


1990SA14      Phys.Rev. C41, R1901 (1990)

S.J.Sanders, B.B.Back, R.V.F.Janssens, D.G.Kovar, D.Habs, D.Henderson, T.-L.Khoo, H.Korner, G.-E.Rathke, T.F.Wang, F.L.H.Wolfs, K.B.Beard

Additional Evidence for Fusion-Fission in 32S + 24Mg Reactions: Division of excitation energy and spin in the fission fragments

NUCLEAR REACTIONS 24Mg(32S, 12C), E=140 MeV; measured γ(12C)-coin, E(γ); deduced reaction mechanism, scission temperature.

doi: 10.1103/PhysRevC.41.R1901
Citations: PlumX Metrics


1990YE01      Phys.Rev. C41, R13 (1990)

D.Ye, R.V.F.Janssens, M.P.Carpenter, E.F.Moore, R.R.Chasman, I.Ahmad, K.B.Beard, Ph.Benet, M.W.Drigert, P.B.Fernandez, U.Garg, T.L.Khoo, S.L.Ridley, F.L.H.Wolfs

Superdeformed Band in 192Hg

NUCLEAR REACTIONS 160Gd(36S, 4n), E=162 MeV; measured γγ-coin. 192Hg deduced levels, J, π, superdeformed band structure.

doi: 10.1103/PhysRevC.41.R13
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1990YE03      Phys.Lett. 236B, 7 (1990)

D.Ye, R.V.F.Janssens, M.P.Carpenter, E.F.Moore, I.Ahmad, K.B.Beard, Ph.Benet, M.W.Drigert, U.Garg, Z.W.Grabowski, T.L.Khoo, F.L.H.Wolfs, T.Bengtsson, I.Ragnarsson

Nucleon Alignment in 191Hg. A Competing Mechanism at Moderate Spins

NUCLEAR REACTIONS 160Gd(36S, 5n), E=169 MeV; measured γγ-coin, DCO. 191Hg deduced levels, J, π, configuration, band structure.

doi: 10.1016/0370-2693(90)90585-T
Citations: PlumX Metrics


1989MO08      Phys.Rev.Lett. 63, 360 (1989)

E.F.Moore, R.V.F.Janssens, R.R.Chasman, I.Ahmad, T.L.Khoo, F.L.H.Wolfs, D.Ye, K.B.Beard, U.Garg, M.W.Drigert, Ph.Benet, Z.W.Grabowski, J.A.Cizewski

Observation of Superdeformation in 191Hg

NUCLEAR REACTIONS 160Gd(36S, 5n), E=172 MeV; measured γγ-coin. 191Hg deduced superdeformed band structure, shape characteristics.

doi: 10.1103/PhysRevLett.63.360
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1986ST07      Phys.Rev.Lett. 57, 555 (1986)

J.Stevenson, K.B.Beard, W.Benenson, J.Clayton, E.Kashy, A.Lampis, D.J.Morrissey, M.Samuel, R.J.Smith, C.L.Tam, J.S.Winfield

High-Energy Gamma-Ray Emission in Heavy-Ion Collisions

NUCLEAR REACTIONS Pb, Zn, C(14N, X), E=20, 30, 40 MeV/nucleon; measured Eγ, Iγ, γ(θ); deduced model parameters. Individual neutron-proton collision induced bremsstrahlung.

doi: 10.1103/PhysRevLett.57.555
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1985BE33      Phys.Rev. C32, 1111 (1985)

K.B.Beard, W.Benenson, C.Bloch, E.Kashy, J.Stevenson, D.J.Morrissey, J.van der Plicht, B.Sherrill, J.S.Winfield

Observation of High Energy Gamma Rays in Intermediate Energy Nucleus-Nucleus Collisions

NUCLEAR REACTIONS Cu(14N, γ), E=40 MeV/nucleon; measured σ(Eγ, θ); deduced temperature parameter, e+, e-, pair production limits.

doi: 10.1103/PhysRevC.32.1111
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1982BE33      Phys.Rev. C26, 720 (1982)

K.B.Beard, J.Kasagi, E.Kashy, B.H.Wildenthal, D.L.Freisel, H.Nann, R.E.Warner

(d, 2He) Reaction at E(d) = 99 MeV

NUCLEAR REACTIONS 12C(d, 2p), E=99.2 MeV; measured σ(E(2He)), σ(θ). Sum, difference spectra, Watson-Migdal final state interaction.

doi: 10.1103/PhysRevC.26.720
Citations: PlumX Metrics

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