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NSR database version of April 11, 2024.

Search: Author = H.T.Penttila

Found 9 matches.

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2001DA31      Hyperfine Interactions 132, 133 (2001)

C.N.Davids, P.J.Woods, J.C.Batchelder, C.R.Bingham, D.J.Blumenthal, L.T.Brown, B.C.Busse, M.P.Carpenter, L.F.Conticchio, T.Davinson, J.Deboer, S.J.Freeman, S.Hamada, D.J.Henderson, R.J.Irvine, R.V.F.Janssens, H.J.Maier, L.Muller, R.D.Page, H.T.Penttila, G.L.Poli, D.Seweryniak, F.Soramel, K.S.Toth, W.B.Walters, B.E.Zimmerman

Masses and Proton Separation Energies Obtained from Q_α and Q_p Measurements

ATOMIC MASSES ¹⁵¹Tm, ¹⁵⁵Lu, ¹⁵⁹Ta, ^163,165Re, ¹⁶⁶Os, ^167,169Ir, ¹⁷⁰Pt, ^171,173Au, ^174,176Hg, ¹⁷⁷Tl, ¹⁸⁰Pb; analyzed α-decay and proton-decay data; deduced mass excesses. Tm, Lu, Ta, Re, Ir, Au, Tl; deduced proton separation energies.

doi: 10.1023/A:1011941605006
Citations: PlumX Metrics

1999BA87      Phys.Rev. C60, 044602 (1999)

B.B.Back, D.J.Blumenthal, C.N.Davids, D.J.Henderson, R.Hermann, D.J.Hofman, C.L.Jiang, H.T.Penttila, A.H.Wuosmaa

Fission Hindrance in Hot ²¹⁶Th: Evaporation residue measurements

NUCLEAR REACTIONS ¹⁸⁴W(³²S, X), E=165-257 MeV; measured evaporation residues σ(E, θ), charge distributions; deduced fission hindrance, nuclear viscosity. Comparison with statistical model calculations.

doi: 10.1103/PhysRevC.60.044602
Citations: PlumX Metrics

1997DA07      Phys.Rev. C55, 2255 (1997)

C.N.Davids, P.J.Woods, J.C.Batchelder, C.R.Bingham, D.J.Blumenthal, L.T.Brown, B.C.Busse, L.F.Conticchio, T.Davinson, S.J.Freeman, D.J.Henderson, R.J.Irvine, R.D.Page, H.T.Penttila, D.Seweryniak, K.S.Toth, W.B.Walters, B.E.Zimmerman

New Proton Radioactivities ^165,166,167Ir and ¹⁷¹Au

NUCLEAR REACTIONS ⁹²Mo(⁷⁸Kr, xnp), E=357, 384 MeV; ⁹⁶Ru(⁷⁸Kr, 2np), E=389 MeV; measured fragment spectra, Eα, Iα, pα-energy correlation between proton-decaying residual and daughter subsequent α-decay. ¹⁷¹Au, ^165,166,167Ir deduced proton decay Ep, Qp, T_1/2, branching ratio, spectroscopic factors.

RADIOACTIVITY ¹⁷¹Au(p) [from ⁹⁶Ru(⁷⁸Kr, 2np), E=389 MeV]; ¹⁷⁰Pt(α) [from ¹⁷¹Au(p-decay)]; ^165,166,167Ir(p) [from ⁹²Mo(⁷⁸Kr, xnp), E=357, 384 MeV]; ^164,165,166Os(α) [from ^165,166,167Ir(p-decay)]; measured Eα, Iα, pα-energy correlation between proton-decaying residual and daughter subsequent α-decay. ¹⁷¹Au, ^165,166,167Ir deduced proton decay Ep, Qp, T_1/2, branching ratio, spectroscopic factors; analyzed α-decay chain data. ¹⁵¹Tm, ¹⁵⁴Yb, ¹⁵⁵Lu, ¹⁵⁸Hf, ¹⁵⁹Ta, ¹⁶²W, ¹⁶³Re, ¹⁶⁶Os, ¹⁶⁷Ir, ¹⁷⁰Pt, ^171mAu; deduced mass excess. ¹⁵¹Tm, ^153,154,155Lu, ¹⁵⁸Hf, ^157m,158,159Ta, ^161m,162,163Re, ^165m,166,167Ir deduced proton separation energy.

doi: 10.1103/PhysRevC.55.2255
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1997IR01      Phys.Rev. C55, R1621 (1997)

R.J.Irvine, C.N.Davids, P.J.Woods, D.J.Blumenthal, L.T.Brown, L.F.Conticchio, T.Davinson, D.J.Henderson, J.A.Mackenzie, H.T.Penttila, D.Seweryniak, W.B.Walters

Proton Emission from Drip-Line Nuclei ¹⁵⁷Ta and ¹⁶¹Re

RADIOACTIVITY ¹⁶⁰W(α) [from ¹⁰²Pd(⁵⁸Ni, X), E=270 MeV]; ¹⁵⁶Hf(α) [from ¹⁶⁰W(α-decay)]; measured α-spectra. ¹⁶¹Re(α), (p) [from ¹⁰⁶Cd(⁵⁸Ni, X), E=270 MeV]; ¹⁵⁷Ta(α), (p) [from ¹⁶¹Re(α-decay)]; measured α-, proton spectra, proton-decay T_1/2. ¹⁵⁶Hf, ¹⁶⁰W deduced level population from proton decay. ¹⁵³Lu deduced level population from α-decay.

doi: 10.1103/PhysRevC.55.R1621
Citations: PlumX Metrics

1996DA06      Phys.Rev.Lett. 76, 592 (1996)

C.N.Davids, P.J.Woods, H.T.Penttila, J.C.Batchelder, C.R.Bingham, D.J.Blumenthal, L.T.Brown, B.C.Busse, L.F.Conticchio, T.Davinson, D.J.Henderson, R.J.Irvine, D.Seweryniak, K.S.Toth, W.B.Walters, B.E.Zimmerman

Proton Decay of an Intruder State in ¹⁸⁵Bi

NUCLEAR REACTIONS ⁹⁵Mo(⁹²Mo, np), E=410 MeV; measured residuals decay event spectra.

RADIOACTIVITY ^185mBi(p) [from ⁹⁵Mo(⁹²Mo, np), E=410 MeV]; measured proton-decay T_1/2, Ep, decay scheme, configuration.

doi: 10.1103/PhysRevLett.76.592
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1995LE04      Phys.Rev. C51, R1047 (1995)

M.J.Leddy, S.J.Freeman, J.L.Durell, A.G.Smith, S.J.Warburton, D.J.Blumenthal, C.N.Davids, C.J.Lister, H.T.Penttila

α Decay of a New Isotope, ²⁰⁴Ra

RADIOACTIVITY ^204,205Ra(α) [from ¹⁸²W(²⁸Si, X), E=164, 170 MeV]; measured αα-, ααα-correlations, T_1/2, Eα; deduced Qα.

doi: 10.1103/PhysRevC.51.R1047
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1995NI10      Phys.Rev. C52, 1355 (1995)

D.Nisius, R.V.F.Janssens, I.G.Bearden, R.H.Mayer, I.Ahmad, P.Bhattacharyya, B.Crowell, M.P.Carpenter, P.J.Daly, C.N.Davids, Z.W.Grabowski, D.J.Henderson, R.G.Henry, R.Hermann, T.L.Khoo, T.Lauritsen, H.T.Penttila, L.Ciszewski, C.T.Zhang

Conversion Electron Spectroscopy at the Fragment Mass Analyzer Focal Plane: Studies of isomeric decays near the proton drip line

RADIOACTIVITY ^149,150Er(EC) [from ⁹⁴Mo(⁵⁸Ni, X), E=250 MeV]; ^151,152Yb(EC) [from ⁹⁶Ru(⁵⁸Ni, X), E=250 MeV]; measured Eγ, Iγ, I(ce)-, γ(ce)-coin, T_1/2; deduced isomer decay transitions γ-multipolarity, levels, J, π.

doi: 10.1103/PhysRevC.52.1355
Citations: PlumX Metrics

1995YO02      Phys.Rev. C52, R1723 (1995)

W.Younes, J.A.Cizewski, H.-Q.Jin, L.A.Bernstein, D.P.McNabb, C.N.Davids, R.V.F.Janssens, T.L.Khoo, C.J.Lister, D.J.Blumenthal, M.P.Carpenter, D.Henderson, R.G.Henry, T.Lauritsen, D.T.Nisius, H.T.Penttila, M.W.Drigert

Spectroscopy of ¹⁹⁴Po

NUCLEAR REACTIONS ¹⁷⁰Yb(²⁸Si, 4n), E=142 MeV; measured Eγ, Iγ, γ(evaporation residue)-coin. ¹⁹⁴Po deduced levels, possible J, π. Anharmonic vibrator model.

doi: 10.1103/PhysRevC.52.R1723
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1994FR11      Phys.Rev. C50, R1754 (1994)

S.J.Freeman, A.G.Smith, S.J.Warburton, B.B.Back, I.G.Bearden, D.J.Blumenthal, M.P.Carpenter, B.Crowell, C.N.Davids, D.Henderson, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, C.J.Lister, D.Nisius, H.T.Penttila, J.A.Becker, P.Chowdhury, E.F.Moore

Low-Lying Structure of the Neutron-Deficient Isotope ²⁰²Rn

NUCLEAR REACTIONS ¹⁸¹Ta(²⁷Al, xn), E=132, 150 MeV; ¹⁹²Pt(¹⁶O, xn), E=110 MeV; measured Eγ, γ(recoil)-, γγ-coin. ^202,203,204Rn deduced high-spin levels, Iγ. Ge detector array, recoil separator, enriched target.

doi: 10.1103/PhysRevC.50.R1754
Citations: PlumX Metrics
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