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NSR database version of April 24, 2024.

Search: Author = P.Wilt

Found 19 matches.

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2022BE27      Nucl.Instrum.Methods Phys.Res. A1040, 167113 (2022)

L.Begley, S.Zhu, M.P.Carpenter, J.T.Anderson, R.V.F.Janssens, T.Lauritsen, E.A.McCutchan, M.B.Oberling, D.Seweryniak, P.Wilt

Algorithms of pulse shape analysis for Gammasphere under high count rate conditions

doi: 10.1016/j.nima.2022.167113
Citations: PlumX Metrics


2004NA03      Nucl.Phys. A731, 153 (2004)

V.Nanal, T.L.Khoo, D.J.Hofman, B.B.Back, M.P.Carpenter, I.Dioszegi, K.Eisenman, M.L.Halbert, P.Heckman, A.M.Heinz, D.Henderson, D.Jenkins, M.P.Kelly, F.G.Kondev, T.Lauritsen, C.J.Lister, B.McClintock, S.Mitsuoka, T.Pennington, J.Seitz, R.H.Siemssen, M.Thoennessen, R.J.van Swol, R.L.Varner, P.Wilt, Y.Alhassid

Highly Selective Studies of GDR in 164Er

NUCLEAR REACTIONS 124Sn(40Ar, xn), E=163, 187 MeV; measured Eγ, Iγ, (recoil)γ-coin. 164Er deduced GDR parameters, angular momentum dependence of strength function.

doi: 10.1016/j.nuclphysa.2003.11.028
Citations: PlumX Metrics


2003RO21      Phys.Rev. C 68, 054301 (2003)

A.P.Robinson, C.N.Davids, G.Mukherjee, D.Seweryniak, S.Sinha, P.Wilt, P.J.Woods

Proton decay study of 150Lu and 150Lum

RADIOACTIVITY 150,150mLu(p) [from 96Ru(58Ni, 3np)]; measured Ep, T1/2. Mass separator. Comparison with model predictions.

doi: 10.1103/PhysRevC.68.054301
Citations: PlumX Metrics


2002WU01      Phys.Rev. C65, 024609 (2002)

A.H.Wuosmaa, D.J.Hofman, B.B.Back, D.J.Blumenthal, S.Fischer, D.J.Henderson, R.V.F.Janssens, C.J.Lister, V.Nanal, D.Nisius, M.D.Rhein, P.R.Wilt

Angular Correlation, Spin Alignment, and Resonance Behavior in 12C + 12C Inelastic Scattering

NUCLEAR REACTIONS 12C(12C, 12C'), E(cm)=25-35 MeV; measured σ(θ), angular correlations, α spectra following excited nucleus decay; deduced resonance energies, J, π, dinuclear system.

doi: 10.1103/PhysRevC.65.024609
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1118.


1999AH07      Phys.Rev. C60, 064601 (1999)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, C.M.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, A.L.Hallin, Th.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.M.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, A.R.Young, J.E.Yurkon

Positron-Electron Pairs Produced in Heavy-Ion Collisions

NUCLEAR REACTIONS 232Th(238U, X), E=5.95 MeV/nucleon; 181Ta(238U, X), E=5.95, 6.1, 6.3 MeV/nucleon; measured positron, electron spectra, multiplicities, e-e+-coin, angular correlation; deduced no sharp structure in sum-energy spectra. APEX spectrometer.

doi: 10.1103/PhysRevC.60.064601
Citations: PlumX Metrics


1998WU01      Phys.Rev.Lett. 80, 2085 (1998)

A.H.Wuosmaa, I.Ahmad, S.M.Fischer, J.P.Greene, G.Hackman, V.Nanal, G.Savard, J.P.Schiffer, P.Wilt, S.M.Austin, B.A.Brown, S.J.Freedman, J.J.Connell

β+ Decay Partial Half-Life of 54Mn and Cosmic Ray Chronometry

RADIOACTIVITY 54Mn(β+); measured β+ spectra, β+-decay branching ratio, partial T1/2. Astrophysical implications.

doi: 10.1103/PhysRevLett.80.2085
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1997AH01      Phys.Rev.Lett. 78, 618 (1997)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, A.L.Hallin, T.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.R.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.Young, J.E.Yurkon, and the APEX Collaboration

Search for Monoenergetic Positron Emission from Heavy-Ion Collisions at Coulomb-Barrier Energies

NUCLEAR REACTIONS 181Ta(238U, X), E=5.95-6.3 MeV/nucleon; 232Th(238U, X), E=5.95 MeV/nucleon; measured positron energy spectra; deduced no structure.

doi: 10.1103/PhysRevLett.78.618
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1997AH04      Phys.Rev. C55, R2755 (1997)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.A.Chishti, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, J.S.Greenberg, S.B.Gazes, A.L.Hallin, T.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.Young, J.E.Yurkon, and the APEX Collaboration

Internal Pair Conversion in Heavy Nuclei

NUCLEAR REACTIONS 206Pb(206Pb, X), E=5.90 MeV/nucleon; measured e+e--sum energy spectra, Doppler corrected Eγ; deduced internal pair conversion to gamma branching ratio. 232Th(208Pb, X), E=5.80 MeV/nucleon; 238U(208Pb, X), E=5.80 MeV/nucleon; 181Ta(238U, X), E=5.95 MeV/nucleon; 232Th(238U, X), E=5.90 MeV/nucleon; measured e+e--sum energy, Doppler corrected Eγ; deduced no discrete lines evidence in e+e- spectra. 238U deduced new levels evidence.

doi: 10.1103/PhysRevC.55.R2755
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1997AH05      Z.Phys. A358, 235 (1997)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, P.Chowdhury, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, A.L.Hallin, T.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, A.Young, J.E.Yurkon, and the APEX Collaboration

The Positron-Electron Peak Puzzle: Results from APEX

NUCLEAR REACTIONS 232Th(238U, X), E=5.78-5.95 MeV/nucleon; 181Ta(238U, X), E=5.79-6.3 MeV/nucleon; measured total (e+)(heavy-ion)-, (e+e-)(heavy-ion)-coin events number; deduced very low light neutral particle production upper limits.

doi: 10.1007/s002180050316
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1996AH05      Acta Phys.Pol. B27, 387 (1996)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, P.Chowdhury, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.Gazes, A.L.Hallin, T.Happ, N.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, A.Young, J.E.Yurkon, and the APEX Collaboration

The Positron Peak Puzzle - Recent Results from APEX

NUCLEAR REACTIONS 232Th(238U, X), E=5.95 MeV/nucleon; 181Ta(238U, X), E=5.96-6.3 MeV/nucleon; 206Pb(206Pb, X), E not given; analyzed e+e--sum energy spectra. 232Th, 238U(208Pb, X), E=5.8 MeV/nucleon; 232Th, 181Ta(238U, X), E=5.95 MeV/nucleon; 206Pb(206Pb, X), E=5.9 MeV/nucleon; analyzed Doppler reconstructed γ spectra; deduced limits on 1.78 MeV 238U transition possible contribution to (heavy ion)γ-coin.


1996AH07      Nucl.Instrum.Methods Phys.Res. A370, 539 (1996)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, P.Chowdhury, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, J.S.Greenberg, J.P.Greene, A.L.Hallin, Th.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.M.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.R.Young, J.E.Yurkon

A Solenoidal Spectrometer for Positron-Electron Pairs Produced in Heavy-Ion Collisions

RADIOACTIVITY 85Sr(EC); 113Sn(EC); 203Hg(β-); measured electron spectra; deduced apparatus response, efficiency. New solenoidal spectrometer.

NUCLEAR REACTIONS 181Ta(238U, X), E=6.1 MeV/nucleon; measured γ-, positron energy spectra. New solenoidal spectrometer.

doi: 10.1016/0168-9002(95)00829-2
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1995AH01      Nucl.Phys. A583, 247c (1995)

I.Ahmad, S.M.Austin, B.B.Back, D.Bazin, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, P.Chowdhury, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, J.S.Greenberg, A.L.Hallin, T.Happ, J.Last, N.Kaloskamis, E.Kashy, W.Kutschera, C.J.Lister, M.Liu, M.R.Maier, D.Mercer, A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.Young, J.E.Yurkon

Positron Production in Heavy Ion Collisions: Current status of the problem

NUCLEAR REACTIONS 181Ta(238U, X), E=5.9-6.3 MeV/nucleon; compiled, analyzed, reviewed electron, positron production data.

doi: 10.1016/0375-9474(94)00667-C
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1995AH06      Phys.Rev.Lett. 75, 2658 (1995)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, P.Chowdhury, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, A.L.Hallin, T.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.Young, J.E.Yurkon, and the APEX Collaboration

Search for Narrow Sum-Energy Lines in Electron-Positron Pair Emission from Heavy-Ion Collisions Near the Coulomb Barrier

NUCLEAR REACTIONS 181Ta(238U, X), E=5.95-6.3 MeV/nucleon; 232Th(238U, X), E=5.95 MeV/nucleon; measured pair emission sum spectra; deduced no sharp lines evidence, neutral particle isolated decay related features.

doi: 10.1103/PhysRevLett.75.2658
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1994FR05      Phys.Rev. C49, R1751 (1994)

M.Freer, A.H.Wuosmaa, R.R.Betts, D.J.Henderson, P.Wilt, R.W.Zurmuhle, D.P.Balamuth, S.Barrow, D.Benton, Q.Li, Z.Liu, Y.Miao

Limits for the 3α Branching Ratio of the Decay of the 7.65 MeV, 0+ State in 12C

NUCLEAR REACTIONS 12C(12C, 3α), E=58 MeV; measured 3α relative energy spectra. 12C level deduced three-body decay Γα.

doi: 10.1103/PhysRevC.49.R1751
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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
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1994WU07      Phys.Rev. C50, 2909 (1994)

A.H.Wuosmaa, M.Freer, B.B.Back, R.R.Betts, J.C.Gehring, B.G.Glagola, Th.Happ, D.J.Henderson, P.Wilt, I.G.Bearden

Angular-Distribution Measurements for 12C(12C, 12C[0+2])12C(0+2) Inelastic Scattering

NUCLEAR REACTIONS 12C(12C, 12C'), E(cm)=29.5-35.5 MeV; measured σ(θ); deduced structure features, dominant l.

doi: 10.1103/PhysRevC.50.2909
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1994WU11      Nucl.Instrum.Methods Phys.Res. A345, 482 (1994)

A.H.Wuosmaa, P.Wilt, B.B.Back, R.R.Betts, M.Freer, B.G.Glagola, Th.Happ, D.J.Henderson, I.G.Bearden, R.W.Zurmuhle, D.P.Balamuth, S.Barrow, D.Benton, Q.Li, Z.Liu, Y.Miao

Instrumentation of Double-Sided Silicon Strip Detectors for Multi-Particle Detection

NUCLEAR REACTIONS 12C(12C, 8Be), E ≈ 58 MeV; analyzed data; deduced 2α-, 3α-excitation spectra, two-body (Q-value) spectra. Double-sided Si strip detectors, compact, modular, low-cost, high density readout system.

doi: 10.1016/0168-9002(94)90503-7
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1993WU01      Nucl.Phys. A553, 563c (1993)

A.H.Wuosmaa, B.B.Back, I.G.Bearden, R.R.Betts, M.Freer, J.Gehring, B.G.Glagola, Th.Happ, D.J.Henderson, P.Wilt

Evidence for Alpha-Particle Chain Configurations in 24Mg

NUCLEAR REACTIONS 12C(12C, 12C'), E=52-80 MeV; measured σ(θ). 24Mg deduced α-clustering configuration evidence.

doi: 10.1016/0375-9474(93)90660-P
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1992WU02      Phys.Rev.Lett. 68, 1295 (1992)

A.H.Wuosmaa, R.R.Betts, B.B.Back, M.Freer, B.G.Glagola, Th.Happ, D.J.Henderson, P.Wilt, I.G.Bearden

Evidence for Alpha-Particle Chain Configurations in 24Mg

NUCLEAR REACTIONS 12C(12C, 12C'), E=52-80 MeV; measured σ(θ) vs E, αα-coin. 24Mg deduced structure, α-particle chain configuration evidence, deformation features.

doi: 10.1103/PhysRevLett.68.1295
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Note: The following list of authors and aliases matches the search parameter P.Wilt: , P.R.WILT