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NSR database version of May 24, 2024.

Search: Author = R.J.Tighe

Found 12 matches.

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1995AG04      Phys.Rev. C52, 3103 (1995)

E.F.Aguilera, J.J.Kolata, R.J.Tighe

Nuclear Structure Effects in the Sub-Barrier Fusion of 16O + 70,72,73,74,76Ge

NUCLEAR REACTIONS, ICPND 70,72,73,74,76Ge(16O, X), E=38-66 MeV; measured σ(fragment θ) vs E; deduced barrier distributions, fusion σ(E), barrier parameters. Coupled-channel analysis.

doi: 10.1103/PhysRevC.52.3103
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1995BE25      Phys.Rev. C51, 2372 (1995)

M.D.Belbot, J.J.Kolata, K.Lamkin, R.J.Tighe, M.Zahar, R.Harkewicz, D.J.Morrissey, N.A.Orr, R.M.Ronningen, B.M.Sherrill, J.A.Winger, M.Carpenter

β-Delayed Neutron Decay of 14Be

RADIOACTIVITY 14Be(β-n); measured β-delayed neutron spectra, βn-coin, Eγ, Iγ; deduced log ft, branching ratios. 14Be deduced decay T1/2. 14B possible level.

doi: 10.1103/PhysRevC.51.2372
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1995TI08      Phys.Rev. C52, R2298 (1995)

R.J.Tighe, J.C.Batchelder, D.M.Moltz, T.J.Ognibene, M.W.Rowe, J.Cerny, B.A.Brown

Observation of Strong Isospin Mixing in Proton Emission from the Astrophysically Interesting Isobaric Analog State in 23Mg

RADIOACTIVITY 23Al(β+p) [from 24Mg(p, 2n), E=40 MeV]; measured β-delayed Ep, Ip. 23Mg deduced levels, isospin mixing in IAS decay. Shell model wave comparison.

doi: 10.1103/PhysRevC.52.R2298
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1994BA54      Phys.Rev. C50, 1807 (1994)

J.C.Batchelder, R.J.Tighe, D.M.Moltz, T.J.Ognibene, M.W.Rowe, J.Cerny

Observation of Beta-Delayed Proton Emission from 24Al

RADIOACTIVITY 24Al(β+p) [from 24Mg(p, n), E=20, 28.5 MeV]; measured β-delayed protons spectra, T1/2; deduced delayed proton branching ratio. 24Mg levels deduced proton, α-decay competition. Gas-ΔE, Si-E triple telescopes.

doi: 10.1103/PhysRevC.50.1807
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1994TI03      Phys.Rev. C49, R2871 (1994)

R.J.Tighe, D.M.Moltz, J.C.Batchelder, T.J.Ognibene, M.W.Rowe, J.Cerny

Evidence for the Ground-State Proton Decay of 105Sb

RADIOACTIVITY 25Si(β+p) [from Mg(3He, X), E=40 MeV]; 105Sb(p), (β+) [from 50Cr(58Ni, 2np), E=370, 405 MeV]; measured β-delayed Ep, Ip. 105Sb deduced ground state proton branching ratio.

doi: 10.1103/PhysRevC.49.R2871
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1993BA61      Phys.Rev. C48, 2593 (1993)

J.C.Batchelder, D.M.Moltz, T.J.Ognibene, M.W.Rowe, R.J.Tighe, J.Cerny

Beta-Delayed Proton Decay of 73Sr

RADIOACTIVITY 73Sr(β+p) [from 40Ca(36Ar, 3n), E=245 MeV]; measured beta-delayed Ep, Ip; deduced mass excess, beta-branching ratio.

doi: 10.1103/PhysRevC.48.2593
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1993TI05      Phys.Rev. C47, 2699 (1993)

R.J.Tighe, J.J.Kolata, M.Belbot, E.F.Aguilera

Possible Signatures of Nuclear-Molecular Formation in O + C Systems

NUCLEAR REACTIONS, ICPND 12C(17O, 17O), (17O, 17O'), (17O, 16O), E(cm)=22-38 MeV; measured σ(θ); deduced fusion σ(E), molecular formation evidence. Two-center shell model, coupled-channels prediction.

doi: 10.1103/PhysRevC.47.2699
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1992KR14      Phys.Rev. C46, 1887 (1992)

R.A.Kryger, J.J.Kolata, W.Chung, S.Dixit, R.J.Tighe, J.J.Vega, P.A.DeYoung, C.Copi, J.Sarafa, G.P.Gilfoyle, S.K.Sigworth

Neutron-Charged-Particle Correlations in the 3.8 MeV per Nucleon 16O + 12C and 13.4 MeV per Nucleon 16O + 27Al Reactions

NUCLEAR REACTIONS 27Al(16O, X), E=215 MeV; measured n(light charged particle), (particle)(particle) correlations. 12C(16O, np), E=60.5 MeV; measured np-correlations; deduced nuclear temperatures, production yields for singlet d, 5He, 5Li, 6Li(excited state). Koonin, semi-classical evaporation model.

doi: 10.1103/PhysRevC.46.1887
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1990KR14      Phys.Rev.Lett. 65, 2118 (1990)

R.A.Kryger, J.J.Kolata, W.Chung, S.Dixit, R.J.Tighe, J.J.Vega, P.A.De Young, C.Copi, J.Sarafa, D.G.Kovar, G.P.Gilfoyle, S.K.Sigworth

Two-Particle Correlations from Neutron-Light-Charged-Particle Coincidences

NUCLEAR REACTIONS 27Al(16O, nX), E=215 MeV; measured nX-coin for X=α, d, p; deduced singlet-d, 5He production evidence. 43Sc deduced nuclear temperature.

doi: 10.1103/PhysRevLett.65.2118
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1990MO03      Phys.Rev. C41, 988 (1990)

A.Morsad, J.J.Kolata, R.J.Tighe, X.J.Kong, E.F.Aguilera, J.J.Vega

Sub-Barrier Fusion of 28,30Si with 24,26Mg

NUCLEAR REACTIONS, ICPND 24,26Mg(28Si, X), (30Si, X), E(cm) ≈ 20-30 MeV; measured fusion σ(E); deduced barrier parameters. Model calculations.

doi: 10.1103/PhysRevC.41.988
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1990TI04      Phys.Rev. C42, R1200 (1990)

R.J.Tighe, J.J.Kolata, S.Dixit, G.-B.Liu, R.J.Vojtech, J.F.Liang, J.C.Mahon

Elastic-Scattering Angular Distributions for 40Ca + 48Ca Near the Coulomb Barrier

NUCLEAR REACTIONS 40Ca(48Ca, 48Ca), E=132, 140 MeV; measured σ(θ). Coupled-channels analysis.

doi: 10.1103/PhysRevC.42.R1200
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1990TI05      Phys.Rev. C42, 1530 (1990)

R.J.Tighe, J.J.Vega, E.Aguilera, G.-B.Liu, A.Morsad, J.J.Kolata, S.H.Fricke, H.Esbensen, S.Landowne

Sub-Barrier Fusion and Elastic Scattering in S + Ni Systems

NUCLEAR REACTIONS, ICPND 58,64Ni(32S, X), (32S, 32S), E(cm)=54.5-62.7 MeV; 64Ni(34S, X), E(cm)=53.2-63.5 MeV; measured σ(θ), fusion σ(E). Coupled-channels analysis.

doi: 10.1103/PhysRevC.42.1530
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