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NSR database version of May 20, 2024.

Search: Author = M.C.Isaac

Found 12 matches.

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2001NO10      Phys.Lett. 519B, 15 (2001)

E.B.Norman, G.A.Rech, E.Browne, R.-M.Larimer, M.R.Dragowsky, Y.D.Chan, M.C.P.Isaac, R.J.McDonald, A.R.Smith

Influence of Physical and Chemical Environments on the Decay Rates of 7Be and 40K

RADIOACTIVITY 7Be, 40K(EC); measured Eγ, Iγ, T1/2 for sources implanted in various materials; deduced environmental effects. Implications for solar neutrino measurements and potassium/argon dating discussed.

doi: 10.1016/S0370-2693(01)01097-8
Citations: PlumX Metrics


1999RO18      Phys.Lett. 465B, 61 (1999)

S.J.Robinson, M.M.Hindi, H.G.Borner, Y.D.Chan, D.E.DiGregorio, C.Doll, M.R.Dragowsky, M.K.Harder, M.C.P.Isaac, K.S.Krane, R.-M.Larimer, A.O.Macchiavelli, R.W.Macleod, P.Miocinovic, E.B.Norman, A.Shadkam, K.Zaerpoor

Quadrupole-Octupole Coupled States in 144Nd

NUCLEAR REACTIONS 143Nd(n, γ), E=reactor; measured Doppler-broadened Eγ, Iγ. 144Nd deduced levels T1/2, B(λ), configurations, quadrupole-octupole coupling. Gamma-ray-induced Doppler-broadening technique.

RADIOACTIVITY 144Pm(EC); measured Eγ, Iγ, γγ-coin. 144Nd deduced levels, J, π, B(λ), δ, quadrupole-octupole coupling. Gammasphere array.

doi: 10.1016/S0370-2693(99)01027-8
Citations: PlumX Metrics


1999ZA08      Phys.Rev. C59, 3393 (1999)

K.Zaerpoor, Y.D.Chan, M.R.Dragowsky, M.C.P.Isaac, K.S.Krane, R.-M.Larimer, A.O.Macchiavelli, R.W.Macleod, E.B.Norman

Cosmic-Ray Half-Life of 56Ni

RADIOACTIVITY 56Ni(EC), (β+); measured Eγ, Iγ, γγ-, βγ-coin; deduced upper limit for positron decay branch. Gammasphere array.

doi: 10.1103/PhysRevC.59.3393
Citations: PlumX Metrics


1999ZA19      Nucl.Phys. (Supplement) A654, 916c (1999)

K.Zaerpoor, Y.D.Chan, D.E.DiGregorio, M.R.Dragowsky, M.M.Hindi, M.C.P.Isaac, K.S.Krane, R.-M.Larimer, A.O.Macchiavelli, R.W.Macleod, P.Miocinovic, E.B.Norman, S.J.Robinson

Cosmic-Ray History Derived from the 54Mn, 56Ni and 144Pm Chronometers

RADIOACTIVITY 54Mn(β+); measured β+ decay branching ratio, partial T1/2; deduced log ft. 56Ni, 144Pm(β+); measured β+ decay branching ratio upper limits, partial T1/2 lower limits. Gammasphere array, implications for cosmic-ray physics discussed.

doi: 10.1016/S0375-9474(00)88572-3
Citations: PlumX Metrics


1998IS10      Phys.Rev.Lett. 81, 2416 (1998); Erratum Phys.Rev.Lett. 82, 2220 (1999)

M.C.P.Isaac, Y.D.Chan, R.Clark, M.A.Deleplanque, M.R.Dragowsky, P.Fallon, I.D.Goldman, R.-M.Larimer, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod, K.Nishiizumi, E.B.Norman, L.S.Schroeder, F.S.Stephens

Search for Strange Matter by Heavy Ion Activation

doi: 10.1103/PhysRevLett.81.2416
Citations: PlumX Metrics


1998ZA03      Phys.Rev. C57, 2046 (1998)

K.Zaerpoor, Y.D.Chan, D.E.DiGregorio, M.R.Dragowsky, M.M.Hindi, M.C.P.Isaac, K.S.Krane, R.M.Larimer, A.O.Macchiavelli, R.W.Macleod, P.Miocinovic, E.B.Norman, S.J.Robinson

Cosmic-Ray Half-Life of 144Pm

RADIOACTIVITY 144Pm(β+), (EC) [from α activation of Pr]; measured decay, annihilation Eγ, Iγ, γγ-coin; deduced β+ branch upper limit.

doi: 10.1103/PhysRevC.57.2046
Citations: PlumX Metrics


1997ZA07      Phys.Rev.Lett. 79, 4306 (1997); Erratum Phys.Rev.Lett. 82, 2219 (1999)

K.Zaerpoor, Y.D.Chan, D.E.DiGregorio, M.R.Dragowsky, M.M.Hindi, M.C.P.Isaac, K.S.Krane, R.M.Larimer, A.O.Macchiavelli, R.W.Macleod, P.Mincinovic, E.B.Norman

Galactic Confinement Time of Iron-Group Cosmic Rays Derived from the 54Mn Chronometer

RADIOACTIVITY 54Mn(β+); measured positron annihilation associated γγ-coin; deduced β+-decay branching ratio. Astrophysical implications.

doi: 10.1103/PhysRevLett.79.4306
Citations: PlumX Metrics


1996IS07      Nucl.Phys.(Proc.Suppl.) S48, 244 (1996)

M.C.P.Isaac, Y.D.Chan, D.Hurley, K.T.Lesko, R.J.McDonald, M.E.Moorhead, E.B.Norman, A.R.Smith, R.G.Stokstad

Preliminary Results from a Study of the Double Beta Decay of 150Nd

RADIOACTIVITY 150Nd(2β); measured Eγ, Iγ followed 2ν-accompanied 2β-decay; deduced T1/2 lower limit for decay to 0+ state in 150Sm.

doi: 10.1016/0920-5632(96)00251-4
Citations: PlumX Metrics


1995AR30      Nucl.Instrum.Methods Phys.Res. A354, 338 (1995)

R.Arnold, A.Barabash, D.Blum, V.Brudanin, J.E.Campagne, F.Danevich, D.Dassie, V.Egorov, R.Eschbach, J.L.Guyonnet, F.Hubert, Ph.Hubert, M.C.Isaac, C.Izac, S.Jullian, O.Kochetov, V.N.Kornoukhov, V.Kouts, V.Kovalenko, D.Lalanne, T.Lamhamdi, F.Laplanche, F.Leccia, Yu.Lepikhin, I.Linck, C.Longuemare, F.Mauger, P.Mennrath, F.Natchez, H.W.Hicholson, A.Nozdrin, G.Pichenot, F.Piquemal, F.Scheibling, C.S.Sutton, G.Szklarz, V.I.Tretyak, V.Umatov, I.Vanushin, Yu.Vassilyev, A.Vareille, Ts.Vylov, Sh.Zaparov, Yu.Zdesenko, and the NEMO Collaboration

Performance of a Prototype Tracking Detector for Double Beta Decay Measurements

RADIOACTIVITY 207Bi(EC), (β+); measured Compton edge γ-spectra, I(ce). 214Bi(β-), (α); 208Tl(β-); measured γ, electron sum spectra; deduced prototype tracking detector performance. Application to 2β-decay studies, Monte Carlo simulations done.

doi: 10.1016/0168-9002(94)01025-0
Citations: PlumX Metrics


1995DA37      Phys.Rev. D51, 2090 (1995)

D.Dassie, R.Eschbach, F.Hubert, Ph.Hubert, M.C.Isaac, C.Izac, F.Leccia, P.Mennrath, A.Vareille, C.Longuemare, F.Mauger, F.Danevich, V.Kouts, V.I.Tretyak, Yu.Vassilyev, Yu.Zdesenko, A.B.Barabash, V.N.Kornoukhov, Yu.B.Lepikhin, V.I.Umatov, I.A.Vanushin, C.Augier, D.Blum, J.E.Campagne, S.Jullian, D.Lalanne, F.Laplanche, F.Natchez, G.Pichenot, G.Szklarz, R.Arnold, J.L.Guyonnet, T.Lamhamdi, I.Linck, F.Piquemal, F.Scheibling, V.Brudanin, V.Egorov, O.Kochetov, A.Nozdrin, Ts.Vylov, Sh.Zaparov, H.W.Nicholson, C.S.Sutton, and the NEMO Collaboration

Two-Neutrino Double-β Decay Measurement of 100Mo

RADIOACTIVITY 100Mo(2β); measured 2ν-accompanied 2β-decay T1/2, two-electron spectra, σ(θ(2e)), 0ν-accompanied 2β-decay Majoron emission.

doi: 10.1103/PhysRevD.51.2090
Citations: PlumX Metrics


1992BL06      Phys.Lett. 275B, 506 (1992)

D.Blum, J.Busto, J.E.Campagne, D.Dassie, F.Hubert, Ph.Hubert, M.C.Isaac, C.Izac, S.Jullian, V.N.Kouts, B.N.Kropivyansky, D.Lalanne, T.Lamhamdi, F.Laplanche, F.Leccia, I.Linck, C.Longuemare, P.Mennrath, F.Natchez, F.Scheibling, G.Szklarz, V.I.Tretyak, Yu.G.Zdesenko

Search for γ-Rays following ββ Decay of 100Mo to Excited States of 100Ru

RADIOACTIVITY 100Mo(2β); measured T1/2 lower limits. High purity Ge detector, Frejus underground laboratory.

doi: 10.1016/0370-2693(92)91624-I
Citations: PlumX Metrics


1990IS06      Z.Phys. A335, 243 (1990)

M.C.P.Isaac, V.R.Vanin, O.A.M.Helene

The Internal Bremsstrahlung following the Electron Capture Decay of 55Fe

RADIOACTIVITY 55Fe(EC); measured internal bremsstrahlung spectra following EC-capture; deduced intensity relative to K-capture, Q(EC).


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