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NSR database version of April 11, 2024.

Search: Author = C.Longour

Found 13 matches.

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2006AC04      Eur.Phys.J. A 27, 287 (2006)

N.L.Achouri, F.de Oliveira Santos, M.Lewitowicz, B.Blank, J.Aysto, G.Canchel, S.Czajkowski, P.Dendooven, A.Emsallem, J.Giovinazzo, N.Guillet, A.Jokinen, A.M.Laird, C.Longour, K.Perajarvi, N.Smirnova, M.Stanoiu, J.-C.Thomas

The β-decay of ²²Al

RADIOACTIVITY ²²Al(β⁺), (β⁺p), (β⁺2p), (β⁺α) [from ³⁶Ar fragmentation]; measured β-delayed Eα, Eγ, Ep, T_1/2; deduced mass excess. ²²Mg deduced levels, J, π. ²²Al deduced ground-state J, π. Comparison with shell model predictions.

doi: 10.1140/epja/i2005-10274-0
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Data from this article have been entered in the XUNDL database. For more information, click here.

2004DE24      Eur.Phys.J. A 20, 405 (2004)

Ph.Dessagne, M.J.G.Borge, J.Giovinazzo, A.Huck, A.Jokinen, A.Knipper, C.Longour, G.Marguier, M.Ramdhane, V.Rauch, O.Tengblad, G.Walter, Ch.Miehe, and the ISOLDE Collaboration

The N = Z nucleus ⁷⁶Sr: Gamow-Teller strength and nuclear deformation

RADIOACTIVITY ⁷⁶Sr(EC), (β⁺), (β⁺p) [from Nb(p, X)]; measured Eγ, Iγ, T_1/2, β-delayed Ep; deduced Gamow-Teller strength, log ft, proton branching ratio. ⁷⁶Sr deduced ground-state deformation. ⁷⁶Rb deduced levels, J, π, β-feeding intensities.

doi: 10.1140/epja/i2003-10171-6
Citations: PlumX Metrics

2004TH09      Eur.Phys.J. A 21, 419 (2004)

J.C.Thomas, L.Achouri, J.Aysto, R.Beraud, B.Blank, G.Canchel, S.Czajkowski, P.Dendooven, A.Ensallem, J.Giovinazzo, N.Guillet, J.Honkanen, A.Jokinen, A.Laird, M.Lewitowicz, C.Longour, F.de Oliveira Santos, K.Perajarvi, M.Stanoiu

Beta-decay properties of ²⁵Si and ²⁶P

RADIOACTIVITY ²⁵Si, ²⁶P(EC) [from ¹²C(³⁶Ar, X)]; measured β-delayed Eγ, Ep, T_1/2; deduced log ft, Gamow-Teller strength distributions, proton-decay and two-proton decay branching ratios. ²⁴Mg, ²⁵Al, ²⁶Si deduced levels, feeding intensities, mirror asymmetry parameters. Comparison with shell-model predictions.

doi: 10.1140/epja/i2003-10218-8
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Data from this article have been entered in the XUNDL database. For more information, click here.

2003PI03      Eur.Phys.J. A 16, 313 (2003)

I.Piqueras, M.J.G.Borge, Ph.Dessagne, J.Giovinazzo, A.Huck, A.Jokinen, A.Knipper, C.Longour, G.Marguier, M.Ramdhane, V.Rauch, O.Tengblad, G.Walter, Ch.Miehe, and the ISOLDE Collaboration

Beta-decay of the N = Z nucleus ⁷²Kr

RADIOACTIVITY ⁷²Kr(β⁺), (EC) [from Nb(p, X)]; measured Eγ, Iγ, γγ-, βγ-coin, T_1/2; deduced log ft, Gamow-Teller strength distribution, β-delayed proton decay branch upper limit. ⁷²Br deduced levels, J, π, β-feeding intensities, configurations. ⁷³Kr(β⁺p); measured β-delayed proton decay branching ratio. Comparisons with model predictions.

doi: 10.1140/epja/i2002-10105-x
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Data from this article have been entered in the XUNDL database. For more information, click here.

2001CA60      Eur.Phys.J. A 12, 377 (2001)

G.Canchel, L.Achouri, J.Aysto, R.Beraud, B.Blank, E.Chabanat, S.Czajkowski, P.Dendooven, A.Emsallem, J.Giovinazzo, J.Honkanen, A.Jokinen, M.Lewitowicz, C.Longour, F.de Oliveira-Santos, K.Perajarvi, M.Staniou, J.C.Thomas

The β-Delayed One- and Two-Proton Emission of ²⁷S

RADIOACTIVITY ²⁷S(β⁺), (β⁺p), (β⁺2p) [from C(³⁶Ar, X)]; measured Eγ, Ep, T_1/2, branching ratios. Mass separator.

NUCLEAR REACTIONS C(³⁶Ar, X)²⁷S/²⁶P/²⁵Si/²⁴Al/²³Mg, E=95 MeV/nucleon; measured relative yields. Mass separator.

doi: 10.1007/s10050-001-8659-z
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2001DA10      Phys.Rev. C63, 064609 (2001)

J.M.Daugas, R.Grzywacz, M.Lewitowicz, M.J.Lopez-Jimenez, F.de Oliveira-Santos, J.C.Angelique, L.Axelsson, C.Borcea, C.Longour, G.Neyens

Interplay between Angular Momentum Transfer and Nuclear Structure in the Production of Isomers at Intermediate Energies

NUCLEAR REACTIONS ²⁷Al(⁹²Mo, X)⁹²Tc/⁹²Mo/⁹¹Nb/⁹⁰Nb/⁹⁰Mo/⁸⁸Zr/⁸⁵Y/⁸⁰Rb/⁷³As/⁶⁹Ge, E=60 MeV/nucleon; measured yields, isomeric ratios, momentum distributions; deduced reaction mechanism features. Comparison with model predictions.

doi: 10.1103/PhysRevC.63.064609
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2001GA24      Phys.Rev. C63, 044307 (2001)

J.Garces Narro, C.Longour, P.H.Regan, B.Blank, C.J.Pearson, M.Lewitowicz, C.Miehe, W.Gelletly, D.Appelbe, L.Axelsson, A.M.Bruce, W.N.Catford, C.Chandler, R.M.Clark, D.M.Cullen, S.Czajkowski, J.M.Daugas, P.Dessagne, A.Fleury, L.Frankland, J.Giovinazzo, B.Greenhalgh, R.Grzywacz, M.Harder, K.L.Jones, N.Kelsall, T.Kszczot, R.D.Page, A.T.Reed, O.Sorlin, R.Wadsworth

Fermi Superallowed β⁺ Decays and T = 1 Ground States of Heavy Odd-Odd N = Z Nuclei

RADIOACTIVITY ⁷⁴Rb, ⁷⁸Y, ⁸²Nb, ⁸⁶Tc(β⁺) [from ⁹²Mo fragmentation]; measured T_1/2; deduced Q(EC), log ft. Comparison with model predictions.

NUCLEAR REACTIONS Ni(⁹²Mo, X), E=60 MeV/nucleon; measured fragments relative isotopic yields.

doi: 10.1103/PhysRevC.63.044307
Citations: PlumX Metrics

1999JA02      Phys.Rev.Lett. 82, 295 (1999)

Z.Janas, C.Chandler, B.Blank, P.H.Regan, A.M.Bruce, W.N.Catford, N.Curtis, S.Czajkowski, Ph.Dessagne, A.Fleury, W.Gelletly, J.Giovinazzo, R.Grzywacz, M.Lewitowicz, C.Longour, C.Marchand, C.Miehe, N.A.Orr, R.D.Page, C.J.Pearson, M.S.Pravikoff, A.T.Reed, M.G.Saint-Laurent, J.A.Sheikh, S.M.Vincent, R.Wadsworth, D.D.Warner, J.S.Winfield

Observation of the Z = N + 1 Nuclei ₃₉⁷⁷Y, ₄₀⁷⁹Zr, and ₄₂⁸³Mo

NUCLEAR REACTIONS Ni(⁹²Mo, X), E=60 MeV/nucleon; measured fragments isotopic yields; deduced evidence for ⁷⁷Y, ⁷⁹Zr, ⁸³Mo.

NUCLEAR STRUCTURE ⁶⁹Br, ⁷³Rb, ⁷⁷Y, ⁸¹Nb, ⁸⁵Tc, ⁸⁹Rh; calculated levels, J, π, configurations, deformation. Microscopic-macroscopic calculations.

doi: 10.1103/PhysRevLett.82.295
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1999LE67      Nucl.Phys. (Supplement) A654, 683c (1999)

S.Leenhardt, F.Azaiez, O.Sorlin, M.Belleguic, C.Bourgeois, C.Donzaud, J.Duprat, S.Grevy, D.Guillemaud-Mueller, A.C.Mueller, F.Pougheon, I.Deloncle, J.Kiener, M.G.Porquet, J.M.Daugas, M.Lewitowicz, F.de Oliveira, M.G.Saint-Laurent, J.Winfield, J.C.Angelique, N.Orr, A.Gillibert, F.Marie, C.Borcea, Yu.-E.Penionzhkevich, Yu.Sobolev, R.Beraud, G.Canchel, E.Chabanat, A.Emsallem, C.Longour, J.E.Sauvestre

Subshell Closure Study at N = 40 by Coulomb Excitation and β-Decay

NUCLEAR REACTIONS Pb(⁷⁶Ge, ⁷⁶Ge'), (⁷²Zn, ⁷²Zn'), (⁶⁸Ni, ⁶⁸Ni'), E ≈ 50 MeV/nucleon; measured Eγ, Iγ, (recoil)γ-coin following proectile Coulomb excitation. ⁶⁸Ni, ⁷²Zn, ⁷⁶Ge deduced transitions, excitation B(E2). Secondary beam from ⁸⁶Kr fragmentation, Chateau de Cristal array.

RADIOACTIVITY ^57,58,59Ti, ^59,60,61,62V, ^61,62,63,64Cr, ^63,64,65,66Mn, ^65,66,67Fe, ^67,68,69,70Co(β^-) [from ⁵⁸Ni(⁸⁶Kr, X), E=60.4 MeV/nucleon]; measured Eβ, Iβ(t), T_1/2. Comparison with earlier data.

doi: 10.1016/S0375-9474(00)88526-7
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Data from this article have been entered in the XUNDL database. For more information, click here.

1999LO07      J.Phys.(London) G25, 759 (1999)

C.Longour, J.Garces Narro, B.Blank, M.Lewitowicz, Ch.Miehe, P.H.Regan, D.Applebe, L.Axelsson, A.M.Bruce, W.N.Catford, C.Chandler, R.M.Clark, D.M.Cullen, S.Czajkowski, J.M.Daugas, Ph.Dessagne, A.Fleury, L.Frankland, W.Gelletly, J.Giovinazzo, B.Greenhalgh, R.Grzywacz, M.Harder, K.L.Jones, N.Kelsall, T.Kszczot, R.D.Page, C.J.Pearson, A.T.Reed, O.Sorlin, R.Wadsworth

Half-Lives of the Odd-Odd N = Z Nuclei ⁷⁸Y, ⁸²Nb, ⁸⁶Tc

RADIOACTIVITY ⁷⁴Rb, ⁷⁸Y, ⁸²Nb, ⁸⁶Tc(β⁺) [from Ni(⁹²Mo, X), E=60 MeV/nucleon]; measured T_1/2; deduced logft, possible superallowed Fermi transition character.

1999SO20      Nucl.Phys. A660, 3 (1999); Erratum Nucl.Phys. A669, 351 (2000)

O.Sorlin, C.Donzaud, L.Axelsson, M.Belleguic, R.Beraud, C.Borcea, G.Canchel, E.Chabanat, J.M.Daugas, A.Emsallem, D.Guillemaud-Mueller, K.-L.Kratz, S.Leenhardt, M.Lewitowicz, C.Longour, M.J.Lopez, F.de Oliveira Santos, L.Petizon, B.Pfeiffer, F.Pougheon, M.G.Saint-Laurent, J.E.Sauvestre

Beta Decay Half-Lives of Neutron Rich Ti-Co Isotopes Around N = 40

RADIOACTIVITY ^57,58,59Ti, ^59,60,61,62V, ^61,62,63,64Cr, ^63,64,65,66Mn, ^65,66,67,68Fe, ^67,68,69,70Co(β^-) [from ⁵⁸Ni(⁸⁶Kr, X), E=60.4 MeV/nucleon]; measured Eγ, Iγ, βγ-coin, T_1/2. Astrophysical r-process implications discussed. Comparison with previous results, model predictions.

NUCLEAR STRUCTURE ^{51,53,55,56,57,58,59,60,61,62,63,64}V; calculated potential energy surfaces.

doi: 10.1016/S0375-9474(99)00355-3
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Data from this article have been entered in the XUNDL database. For more information, click here.

1998LO17      Phys.Rev.Lett. 81, 3337 (1998)

C.Longour, J.Garces Narro, B.Blank, M.Lewitowicz, Ch.Miehe, P.H.Regan, D.Applebe, L.Axelsson, A.M.Bruce, W.N.Catford, C.Chandler, R.M.Clark, D.M.Cullen, S.Czajkowski, J.M.Daugas, Ph.Dessagne, A.Fleury, L.Frankland, W.Gelletly, J.Giovinazzo, B.Greenhalgh, R.Grzywacz, M.Harder, K.L.Jones, N.Kelsall, T.Kszczot, R.D.Page, C.J.Pearson, A.T.Reed, O.Sorlin, R.Wadsworth

Observation of Fermi Superallowed β⁺ Decays in Heavy Odd-Odd, N = Z Nuclei: Evidence for 0⁺ ground states in ⁷⁸Y, ⁸²Nb, and ⁸⁶Tc

RADIOACTIVITY ⁷⁴Rb, ⁷⁸Y, ⁸²Nb, ⁸⁶Tc(β⁺) [from ⁹²Mo primary beam fragmentation]; measured T_1/2; deduced log ft. ⁷⁴Rb, ⁷⁸Y, ⁸²Nb, ⁸⁶Tc deduced possible ground-state J, π. Beta-fragment coincidence technique.

doi: 10.1103/PhysRevLett.81.3337
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1997RE12      Acta Phys.Pol. B28, 431 (1997)

P.H.Regan, C.Chandler, C.J.Pearson, B.Blank, R.Grzywacz, M.Lewitowicz, A.M.Bruce, W.N.Catford, N.Curtis, S.Czajkowski, P.Dessagne, A.Fleury, W.Gelletly, J.Giovinazzo, Z.Janas, C.Longour, C.Marchand, C.Miehe, N.A.Orr, R.D.Page, M.S.Pravikoff, A.T.Reed, M.G.Saint-Laurent, S.M.Vincent, R.Wadsworth, D.D.Warner, J.S.Winfield

Studies of Isomeric States and Limits of Particle Stability Around N ∼ Z ∼ 40 using Fragmentation Reactions

NUCLEAR REACTIONS Ni(⁹²Mo, X), E=60 MeV/nucleon; measured fragment mass, charge distributions, (fragment)γ-coin; deduced evidence for ⁷⁷Y, ⁷⁹Zr, ⁸³Mo. ⁸⁰Y, ⁸⁴Nb, ⁷⁴Kr, ⁸⁶Tc deduced isomeric states E, T_1/2.