NSR Query Results

Output year order : Descending
Format : Normal

NSR database version of April 27, 2024.

Search: Author = T.M.Semkow

Found 18 matches.

Back to query form

2010SI30      Appl.Radiat.Isot. 68, 1459 (2010)

G.Sibbens, S.Pomme, T.Altzitzoglou, E.Garcia-Torano, H.Janssen, R.Dersch, O.Ott, A.Martin Sanchez, M.P.Rubio Montero, M.Loidl, N.Coron, P.de Marcillac, T.M.Semkow

Alpha-particle emission probabilities in the decay of ²⁴⁰Pu

RADIOACTIVITY ²⁴⁰Pu(α); measured decay products, Eα, Iα, Eγ, Iγ; deduced alpha emission probabilities. Comparison with available data.

doi: 10.1016/j.apradiso.2009.12.006
Citations: PlumX Metrics

2009SE07      Phys.Lett. B 675, 415 (2009)

T.M.Semkow, D.K.Haines, S.E.Beach, B.J.Kilpatrick, A.J.Khan, K.O'Brien

Oscillations in radioactive exponential decay

RADIOACTIVITY ²²⁶Ra(α); ³²Si, ³²P, ³⁶Cl(β^-); analyzed T_1/2 data; calculated seasonal temperature variation.

doi: 10.1016/j.physletb.2009.04.051
Citations: PlumX Metrics

1995SE13      Appl.Radiat.Isot. 46, 341 (1995)

T.M.Semkow

Statistical Deconvolution of Beta Spectra: Implications for neutrino mass detection

RADIOACTIVITY ³⁵S(β^-); calculated β spectra; deduced implications for 17 keV neutrino existence, detector characteristics role, Xe gas scintillation proportional detector design features. Monte Carlo simulation.

doi: 10.1016/0969-8043(95)00002-U
Citations: PlumX Metrics

1994GA15      Phys.Rev. C49, 3309 (1994)

G.Garcia Bermudez, C.Baktash, V.Abenante, H.C.Griffin, M.L.Halbert, D.C.Hensley, N.R.Johnson, I.Y.Lee, F.K.McGowan, M.A.Riley, D.G.Sarantites, T.M.Semkow, D.W.Stracener, A.Virtanen

High Spin States of ⁸⁴Sr

NUCLEAR REACTIONS ⁵²Cr(³⁶S, 2n2p), E=130 MeV; measured Eγ, Iγ, γγ-coin. ⁸⁴Sr deduced levels, J, π.

doi: 10.1103/PhysRevC.49.3309
Citations: PlumX Metrics

1994SE21      Nucl.Instrum.Methods Phys.Res. A353, 515 (1994)

T.M.Semkow, P.P.Parekh, C.D.Schwenker, R.Dansereau, J.S.Webber

Efficiency of the Lucas Scintillation Cell

RADIOACTIVITY ²²²Rn, ^210,214,218Po(α); measured α counting efficiencies. Lucas scintillation cell.

doi: 10.1016/0168-9002(94)91712-4
Citations: PlumX Metrics

1991BA12      Phys.Lett. 255B, 174 (1991)

C.Baktash, G.Garcia-Bermudez, D.G.Sarantites, W.Nazarewicz, V.Abenante, J.R.Beene, H.C.Griffin, M.L.Halbert, D.C.Hensley, N.R.Johnson, I.Y.Lee, F.K.McGowan, M.A.Riley, D.W.Stracener, T.M.Semkow, A.Virtanen

Shape Coexistence and Disappearance of Pairing Correlations in ⁸²Sr

NUCLEAR REACTIONS ⁵²Cr(³⁴S, 2n2p), E=130 MeV; measured γγ-coin. ⁸²Sr deduced levels, J, π, band structure, shape features. Woods-Saxon cranking calculations.

doi: 10.1016/0370-2693(91)90232-F
Citations: PlumX Metrics

1991CH02      Phys.Rev. C43, 652 (1991)

A.Chbihi, L.G.Sobotka, Z.Majka, D.G.Sarantites, D.W.Stracener, V.Abenante, T.M.Semkow, N.G.Nicolis, D.C.Hensley, J.R.Beene, M.L.Halbert

Yield Decomposition and Excitation Energy Reconstruction in an Incomplete Fusion Reaction

NUCLEAR REACTIONS ¹⁰⁰Mo(²⁸Si, X), E=701 MeV; measured charged particle multiplicities, σ(θ₁, E₁) for p, α, d; deduced compoundlike system excitation energy vs residue velocity, incomplete fusion.

doi: 10.1103/PhysRevC.43.652
Citations: PlumX Metrics

1990NI04      Phys.Rev. C41, 2118 (1990)

N.G.Nicolis, D.G.Sarantites, L.A.Adler, F.A.Dilmanian, K.Honkanen, Z.Majka, L.G.Sobotka, Z.Li, T.M.Semkow, J.R.Beene, M.L.Halbert, D.C.Hensley, J.B.Natowitz, R.P.Schmitt, D.Fabris, G.Nebbia, G.Mouchaty

Deformation Effects in the Compound Nucleus Decay using the Spin-Alignment Method

NUCLEAR REACTIONS ⁶⁵Cu(⁴⁵Sc, X), E=200 MeV; ⁵⁰Ti(⁶⁴Ni, X), E=250 MeV; ⁷⁴Ge(⁶⁴Ni, X), E=270 MeV; ¹⁰⁰Mo(⁶⁴Ni, X), E=270 MeV; ¹⁵⁰Nd(²⁰Ne, X), E=176.6 MeV; measured σ(θα); deduced statistical model parameters. Spin-alignment method.

doi: 10.1103/PhysRevC.41.2118
Citations: PlumX Metrics

1990NI10      Nucl.Phys. A520, 153c (1990)

N.G.Nicolis, D.G.Sarantites, C.Baktash, V.Abenante, L.A.Adler, J.R.Beene, F.A.Dilmanian, G.Garcia-Bermudez, H.C.Griffin, M.L.Halbert, D.C.Hensley, N.R.Johnson, I.Y.Lee, Z.Majka, F.K.McGowan, M.A.Riley, T.M.Semkow, D.W.Stracener, A.Virtanen

Alpha-Particle Emission as a Probe of Nuclear Shapes and Structure Effects in Proton Evaporation Spectra

NUCLEAR REACTIONS ⁵²Cr(³⁴S, 2n2p), E=130 MeV; measured pγ-coin, proton spectra. ¹⁰⁵Pd(³²S, 2n2p), E=155 MeV; analyzed data; deduced shape, structure effects role.

doi: 10.1016/0375-9474(90)91143-F
Citations: PlumX Metrics

1990SA13      Phys.Rev.Lett. 64, 2129 (1990)

D.G.Sarantites, C.Baktash, N.G.Nicolis, G.Garcia-Bermudez, V.Abenante, J.R.Beene, N.R.Johnson, M.L.Halbert, D.C.Hensley, F.K.McGowan, H.C.Griffin, I.Y.Lee, Z.Majka, M.A.Riley, T.M.Semkow, D.W.Stracener, A.Virtanen

Nuclear-Structure Effects in Proton Evaporation Spectra

NUCLEAR REACTIONS ⁵²Cr(³⁴S, 2n2p), E=130 MeV; measured pγ-coin, proton spectra, pγ(θ). ⁸²Sr deduced rotational band role in proton evaporation spectra.

doi: 10.1103/PhysRevLett.64.2129
Citations: PlumX Metrics

1990SE08      Nucl.Instrum.Methods Phys.Res. A290, 437 (1990)

T.M.Semkow, G.Mehmood, P.P.Parekh, M.Virgil

Coincidence Summing in Gamma-Ray Spectroscopy

RADIOACTIVITY ²⁴¹Am, ¹⁰⁹Cd, ⁵⁷Co, ¹³⁹Ce, ²⁰³Hg, ¹¹³Sn, ⁸⁵Sr, ¹³⁷Cs, ⁸⁸Y, ⁶⁰Co; ^154,155Eu, ¹²⁵Sb; measured Eγ, standard sources; deduced coincidence summing corrections.

doi: 10.1016/0168-9002(90)90561-J
Citations: PlumX Metrics

1989HA34      Phys.Rev. C40, 2558 (1989)

M.L.Halbert, J.R.Beene, D.C.Hensley, K.Honkanen, T.M.Semkow, V.Abenante, D.G.Sarantites, Z.Li

Angular Momentum Effects in Subbarrier Fusion of ⁶⁴Ni + ¹⁰⁰Mo

NUCLEAR REACTIONS ¹⁰⁰Mo(⁶⁴Ni, xn), E=210-235 MeV; ¹⁴⁸Sm(¹⁶O, xn), E=71, 81 MeV; measured σ(E), γ-multiplicity. ¹⁶⁴Yb deduced spin distributions, (9/2)^- level branching.

doi: 10.1103/PhysRevC.40.2558
Citations: PlumX Metrics

1989MA45      Phys.Rev. C40, 2124 (1989)

Z.Majka, V.Abenante, Z.Li, N.G.Nicolis, D.G.Sarantites, T.M.Semkow, L.G.Sobotka, D.W.Stracener, J.R.Beene, D.C.Hensley, H.C.Griffin

Target Excitation and Angular Momentum Transfer in Reactions of E/A = 11.9 MeV ²⁸Si with ¹⁸¹Ta from 4π Charged Particle, Neutron, and γ-Ray Multiplicity Measurements

NUCLEAR REACTIONS ¹⁸¹Ta(²⁸Si, X), E=333 MeV; measured (particle)(particle)-coin, particle multiplicities; deduced target-like fragment excitation, angular momentum transfer mechanisms.

doi: 10.1103/PhysRevC.40.2124
Citations: PlumX Metrics

1988SE01      Phys.Rev. C37, 169 (1988)

T.M.Semkow, D.G.Sarantites, K.Honkanen, Z.Li, M.Ross, J.R.Beene, M.L.Halbert, D.C.Hensley

Excitation Energy Division in the Quasielastic Region from Reactions of 12 MeV/Nucleon ⁴⁸Ti with ¹⁵⁰Nd

NUCLEAR REACTIONS ¹⁵⁰Nd(⁴⁸Ti, X), E=581 MeV; measured γ(fragment)-coin; deduced mass to charge equilibration characteristics. Si telescopes, Ge detectors, spin spectrometer.

doi: 10.1103/PhysRevC.37.169
Citations: PlumX Metrics

1986SE07      Phys.Rev. C34, 523 (1986)

T.M.Semkow, D.G.Sarantites, K.Honkanen, V.Abenante, L.A.Adler, C.Baktash, N.R.Johnson, I.Y.Lee, M.Oshima, Y.Schutz, Y.S.Chen, J.X.Saladin, C.Y.Chen, O.Dietzsch, A.J.Larabee, L.L.Riedinger, H.C.Griffin

Spectroscopic Study of the High-Spin States in ¹³⁵Pr

NUCLEAR STRUCTURE ¹³⁵Pr; calculated levels, alignments, crossing frequencies. Cranked shell model.

NUCLEAR REACTIONS ¹²⁰Sn(¹⁹F, 4n), E=91 MeV; measured Eγ, Iγ, γγ(θ). ¹³⁵Pr deduced levels, J, π, alignments, crossing frequencies, signature splittings, γ-deformation parameter. Cranked shell model comparison.

doi: 10.1103/PhysRevC.34.523
Citations: PlumX Metrics

1985GU15      Phys.Lett. 163B, 79 (1985)

M.W.Guidry, S.Juutinen, X.T.Liu, C.R.Bingham, A.J.Larabee, L.L.Riedinger, C.Baktash, I.Y.Lee, M.L.Halbert, D.Cline, B.Kotlinski, W.J.Kernan, T.M.Semkow, D.G.Sarantites, K.Honkanen, M.Rajagopalan

Population of High Spin States in Transfer Reactions with very Heavy Ions

NUCLEAR REACTIONS ¹⁶¹Dy(⁵⁸Ni, ⁵⁹Ni), E=270 MeV; measured (particle)(particle)γ-coin; deduced reaction mechanism. ¹⁶⁰Dy deduced levels, J, π, yrast sequence.

doi: 10.1016/0370-2693(85)90196-0
Citations: PlumX Metrics

1985RO09      Phys.Rev. C31, 1334 (1985)

L.Robinson, A.C.Wahl, T.M.Semkow, A.E.Norris

Nuclear-Charge Distribution for A = 121 from Thermal-Neutron-Induced Fission of ²³⁵U

NUCLEAR REACTIONS ²³⁵U(n, F), E=thermal; measured fractional independent fission yields of ¹²¹Cd, ¹²¹In, ¹²¹Sn, fractional cumulative yields of ¹²¹Ag; deduced charge, dispersion parameters for A=121, proton shell effects. Radiochemical techniques.

doi: 10.1103/PhysRevC.31.1334
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12931.

1984SE18      Phys.Rev. C30, 1966 (1984)

T.M.Semkow, A.C.Wahl, L.Robinson

Yields of In and Sn Products from Thermal- and 14-MeV-Neutron-Induced Fission of ²³⁵U

NUCLEAR REACTIONS ²³⁵U(n, F)¹²¹In/¹²³In/¹²⁵In/¹²⁷In/¹²⁸In/¹²¹Ag/¹²¹Cd/¹²¹Sn/¹²³Sn/¹²⁵Sn/¹²⁷Sn/¹²⁸Sn, E=thermal, 14 MeV; measured residuals yields following fission. Activation, continuous extraction methods.

RADIOACTIVITY ^{121,121m,123,123m,125,127,128}In(β^-) [from ²³⁵U(n, F), E=thermal, 14 MeV]; measured β-decay; deduced production yields for ^121m,121Sn, ^123,123mSn, ^125,125mSn, ¹²⁷Sn, ¹²⁸Sn. On-line chemical separation, continuous extraction methods.

doi: 10.1103/PhysRevC.30.1966
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12813.