NSR Query Results
Output year order : Descending NSR database version of May 6, 2024. Search: Author = D.Mikolas Found 13 matches. 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
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
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
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
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
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
1994ME24 Nucl.Instrum.Methods Phys.Res. A350, 491 (1994) D.J.Mercer, D.Mikolas, J.Yurkon, S.M.Austin, D.Bazin, S.Gaff, E.Kashy, D.Kataria, J.S.Winfield, R.R.Betts, D.J.Henderson, A.L.Hallin, M.Liu, F.L.H.Wolfs A Large Solid-Angle Array for Heavy Ions from APEX NUCLEAR REACTIONS 58Ni(58Ni, 58Ni), E=200 MeV; measured σ(θ). 181Ta(238U, X), E=1.45 GeV; measured fragment tof, mass spectra. Large solid-angle array of low pressure multi-wire proportional counters. Other reactions studied.
doi: 10.1016/0168-9002(94)91249-1
1990AS07 Phys.Lett. 251B, 488 (1990) K.Asahi, M.Ishihara, N.Inabe, T.Ichihara, T.Kubo, M.Adachi, H.Takanashi, M.Kouguchi, M.Fukuda, D.Mikolas, D.J.Morrissey, D.Beaumel, T.Shimoda, H.Miyatake, N.Takahashi New Aspect of Intermediate Energy Heavy Ion Reactions. Large Spin Polarization of Fragments NUCLEAR REACTIONS 197Au(14N, 12BX), E=40.6 MeV/nucleon; measured ejectile 12B spin polarization, yield. Projectile fragmentation.
doi: 10.1016/0370-2693(90)90784-4
1989ZH04 Phys.Rev. C39, 1985 (1989) Z.Zhao, M.Gai, B.J.Lund, S.L.Rugari, D.Mikolas, B.A.Brown, J.A.Nolen, Jr., M.Samuel Beta Decay of 18N to Alpha Particle Emitting States in 18O and a Proposed Search for Parity Violation in 18O RADIOACTIVITY 18N(β-) [from Ta(22Ne, X), E=35 MeV/nucleon]; measured absolute β-decay branching ratios; deduced log ft, Gamow-Teller matrix elements. 18O(α) [from 18N β-decay]; measured total β-delayed α-yield. 18O deduced possible new levels.
doi: 10.1103/PhysRevC.39.1985
1988MI03 Phys.Rev. C37, 766 (1988) D.Mikolas, B.A.Brown, W.Benenson, L.H.Harwood, E.Kashy, J.A.Nolen, Jr., B.Sherrill, J.Stevenson, J.S.Winfield, Z.Q.Xie, R.Sherr Branching Ratios of 9C to Low Lying States in 9B RADIOACTIVITY 9C(β+) [from Ni(12C, X), E=35 MeV/nucleon]; measured β-delayed Ep, Ip, β-delayed Eα, Iα, βαp-coin; deduced log ft. 9B levels deduced Iβ, Gamow-Teller transition strengths, comparison with other data. NUCLEAR STRUCTURE 9B, 9Be, 9C; calculated levels, Gamow-Teller transition strengths, particle decay spectroscopic factors, particle decay reduced widths. Input from 9Be(p, n) reaction.
doi: 10.1103/PhysRevC.37.766
1988SA04 Phys.Rev. C37, 1314 (1988) M.Samuel, B.A.Brown, D.Mikolas, J.Nolen, B.Sherrill, J.Stevenson, J.S.Winfield, Z.Q.Xie Measurement of the Beta Decay Half-Life of 17B RADIOACTIVITY 9Li, 12,13,15,17B, 17C, 19N [from Ta(23Ne, X), E=35 MeV/nucleon]; measured β-decay T1/2.
doi: 10.1103/PhysRevC.37.1314
1988ST06 Phys.Rev. C37, 2220 (1988) J.Stevenson, B.A.Brown, Y.Chen, J.Clayton, E.Kashy, D.Mikolas, J.Nolen, M.Samuel, B.Sherrill, J.S.Winfield, Z.Q.Xie, R.E.Julies, W.A.Richter Search for the Exotic Nucleus 10He NUCLEAR REACTIONS Sn(18O, X), E=30 MeV/nucleon; measured fragment mass spectra; deduced 10He production upper limit. NUCLEAR STRUCTURE 4,5,6,7,8,9,10He; calculated binding energy. Shell model.
doi: 10.1103/PhysRevC.37.2220
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