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NSR database version of April 11, 2024.

Search: Author = J.Janecke

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2012AD03      Phys.Rev. C 85, 024308 (2012)

T.Adachi, Y.Fujita, A.D.Bacher, G.P.A.Berg, T.Black, D.De Frenne, C.C.Foster, H.Fujita, K.Fujita, K.Hatanaka, M.Honma, E.Jacobs, J.Janecke, K.Kanzaki, K.Katori, K.Nakanishi, A.Negret, T.Otsuka, L.Popescu, D.A.Roberts, Y.Sakemi, Y.Shimbara, Y.Shimizu, E.J.Stephenson, Y.Tameshige, A.Tamii, M.Uchida, H.Ueno, T.Yamanaka, M.Yosoi, K.O.Zell

High-resolution study of Gamow-Teller transitions via the 54Fe(3He, t)54Co reaction

NUCLEAR REACTIONS 54Fe(3He, t), E=140 MeV/nucleon; measured triton spectra, angular distributions, yields. 54Co; deduced levels, l-transfers, Gamow-Teller excitations, B(GT), B(M1)/B(GT), isospin analog states. 54Fe(p, p'), E=160 MeV; measured Ep, Ip, yields. 54Fe; deduced levels, J, π, B(M1), isospin analog states, R(GT) values. Isoscalar and Isovector orbital terms. RCNP facility. Comparison with data from 54Fe(β-), (e, e'), (p, n), and with shell model calculations.

doi: 10.1103/PhysRevC.85.024308
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2007FU04      Phys.Rev. C 75, 034310 (2007)

H.Fujita, Y.Fujita, T.Adachi, A.D.Bacher, G.P.A.Berg, T.Black, E.Caurier, C.C.Foster, H.Fujimura, K.Hara, K.Harada, K.Hatanaka, J.Janecke, J.Kamiya, Y.Kanzaki, K.Katori, T.Kawabata, K.Langanke, G.Martinez-Pinedo, T.Noro, D.A.Roberts, H.Sakaguchi, Y.Shimbara, T.Shinada, E.J.Stephenson, H.Ueno, T.Yamanaka, M.Yoshifuku, M.Yosoi

Isospin structure of Jπ = 1+ states in 58Ni and 58Cu studied by 58Ni(p, p') and 58Ni(3He, t)58Cu measurements

NUCLEAR REACTIONS 58Ni(p, p'), E=160 MeV; measured Ep, σ(θ=0°). 58Ni(3He, t), E=140 MeV/nucleon; measured triton spectra, σ(θ=0°). 58Ni, 58Cu deduced 1+ level energies, B(GT), isospin symmetry features. Comparison with shell model predictions.

doi: 10.1103/PhysRevC.75.034310
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1573. Data from this article have been entered in the XUNDL database. For more information, click here.


2007JA02      Nucl.Phys. A781, 317 (2007)

J.Janecke, T.W.O'Donnell

Symmetry energies, pairing energies, and mass equations

NUCLEAR STRUCTURE Z=1-118; analyzed isobaric analog states energies, related data; deduced pairing and symmetry energy systematics. Comparisons with theoretical mass predictions and extrapolations.

doi: 10.1016/j.nuclphysa.2006.11.003
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2007VA01      Phys.Rev. C 75, 014311 (2007)

H.K.T.van der Molen, H.Akimune, A.M.van den Berg, I.Daito, H.Fujimura, Y.Fujita, M.Fujiwara, M.N.Harakeh, M.Hunyadi, F.Ihara, T.Inomata, K.Ishibashi, J.Janecke, N.Kalantar-Nayestanaki, H.Laurent, I.Lhenry, T.W.O'Donnell, V.A.Rodin, A.Tamii, H.Toyokawa, M.H.Urin, H.Yoshida, M.Yosoi

Damping mechanisms of high-lying single-particle states in 91Nb

NUCLEAR REACTIONS 90Zr(α, t), (α, pt), E=180 MeV; measured triton and proton spectra, pt-coin. 91Nb deduced excited states energies, proton emission features. Optical-model coupled-channels analysis.

doi: 10.1103/PhysRevC.75.014311
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2006CO14      Phys.Rev. C 74, 034333 (2006)

A.L.Cole, H.Akimune, S.M.Austin, D.Bazin, A.M.van den Berg, G.P.A.Berg, J.Brown, I.Daito, Y.Fujita, M.Fujiwara, S.Gupta, K.Hara, M.N.Harakeh, J.Janecke, T.Kawabata, T.Nakamura, D.A.Roberts, B.M.Sherrill, M.Steiner, H.Ueno, R.G.T.Zegers

Measurement of the Gamow-Teller strength distribution in 58Co via the 58Ni(t, 3He) reaction at 115 MeV/nucleon

NUCLEAR REACTIONS 12C, 58Ni(t, 3He), E=115 MeV/nucleon; measured particle spectra, σ(θ). 58Co deduced Gamow-Teller strength distribution. Comparison with previous results, model predictions.

doi: 10.1103/PhysRevC.74.034333
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2006ZE01      Phys.Rev. C 74, 024309 (2006)

R.G.T.Zegers, H.Akimune, S.M.Austin, D.Bazin, A.M.van den Berg, G.P.A.Berg, B.A.Brown, J.Brown, A.L.Cole, I.Daito, Y.Fujita, M.Fujiwara, S.Gales, M.N.Harakeh, H.Hashimoto, R.Hayami, G.W.Hitt, M.E.Howard, M.Itoh, J.Janecke, T.Kawabata, K.Kawase, M.Kinoshita, T.Nakamura, K.Nakanishi, S.Nakayama, S.Okumura, W.A.Richter, D.A.Roberts, B.M.Sherrill, Y.Shimbara, M.Steiner, M.Uchida, H.Ueno, T.Yamagata, M.Yosoi

The (t, 3He) and (3He, t) reactions as probes of Gamow-Teller strength

NUCLEAR REACTIONS 26Mg(t, 3He), E=115 MeV/nucleon; 26Mg(3He, t), E=140 MeV/nucleon; measured σ(E, θ); deduced Gamow-Teller transition strengths. Comparison with model predictions.

doi: 10.1103/PhysRevC.74.024309
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE1997. Data from this article have been entered in the XUNDL database. For more information, click here.


2005JA02      Phys.Lett. B 605, 87 (2005)

J.Janecke, T.W.O'Donnell

Isospin inversion and n-p pairing in self-conjugate nuclei A=58-98

NUCLEAR STRUCTURE 58Cu, 62Ga, 66As, 70Br, 74Rb, 78Y, 82Nb, 86Tc, 90Rh, 94Ag, 98In; A=58-98; analyzed masses, related data; deduced symmetry energy coefficients, isospin inversion, neutron-proton pair interaction features.

doi: 10.1016/j.physletb.2004.11.037
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2005JA18      Eur.Phys.J. A 25, Supplement 1, 79 (2005)

J.Janecke, T.W.O'Donnell

Symmetry energies and the curvature of the nuclear mass surface

NUCLEAR STRUCTURE Z=28-50; A=58-98; analyzed analog states energy difference; deduced symmetry energy coefficients, isospin inversion, neutron-proton pair interaction features. Comparison with data.

doi: 10.1140/epjad/i2005-06-034-0
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2005ZE04      Nucl.Phys. A758, 67c (2005)

R.G.T.Zegers, A.L.Cole, H.Akimune, S.M.Austin, D.Bazin, A.M.van den Berg, G.P.A.Berg, J.Brown, I.Daito, Y.Fujita, M.Fujiwara, K.Hara, M.N.Harakeh, G.W.Hitt, M.E.Howard, J.Janecke, T.Kawabataj T.Nakamura, H.Ueno, H.Schatz, B.M.Sherrill, M.Steiner

Weak interaction strengths for supernovae calculations via the (t, 3He) reaction on medium-heavy nuclei

NUCLEAR REACTIONS 58Ni(t, 3He), E=112 MeV/nucleon; measured σ(E, θ); deduced Gamow-Teller strength distribution.

doi: 10.1016/j.nuclphysa.2005.05.018
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1466.


2003HA43      Phys.Rev. C 68, 064612 (2003)

K.Hara, T.Adachi, H.Akimune, I.Daito, H.Fujimura, Y.Fujita, M.Fujiwara, K.Fushimi, K.Y.Hara, M.N.Harakeh, K.Ichihara, T.Ishikawa, J.Janecke, J.Kamiya, T.Kawabata, K.Kawase, K.Nakanishi, Y.Sakemi, Y.Shimbara, Y.Shimizu, M.Uchida, H.P.Yoshida, M.Yosoi, R.G.T.Zegers

Microscopic structure of the Gamow-Teller resonance in 58Cu

NUCLEAR REACTIONS 58Ni(3He, tγ), (3He, pt), E=450 MeV; measured triton spectra, γγ-, tγ-, pt-coin. 58Cu levels deduced proton-decay branching ratios, configurations. 57Ni deduced levels, transitions.

doi: 10.1103/PhysRevC.68.064612
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2003JA11      Nucl.Phys. A728, 23 (2003)

J.Janecke, T.W.O'Donnell, V.I.Goldanskii

Symmetry and pairing energies of atomic nuclei

NUCLEAR STRUCTURE A=6-150; analyzed analog states energy differences; deduced pairing and symmetry energy features. Particle-hole formalism.

doi: 10.1016/j.nuclphysa.2003.08.009
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2002FU21      Prog.Theor.Phys.(Kyoto), Suppl. 146, 473 (2002)

Y.Fujita, G.P.A.Berg, A.D.Bacher, T.Black, C.C.Foster, H.Fujimura, H.Fujita, K.Hara, K.Hatanaka, J.Janecke, J.Kamiya, K.Katori, T.Kawabata, W.Lozowski, T.Noro, D.A.Roberts, Y.Shimbara, E.J.Stephenson, H.Ueno, T.Yamanaka, M.Yosoi

Isospin Symmetry in the Structure Study of Unstable Nuclei

NUCLEAR REACTIONS 27Al(3He, t), E=150 MeV/nucleon; 27Al(p, p'), E=160 MeV; measured triton and proton spectra, σ(θ=0°). 27Al, 27Si, 27Mg, 27P deduced analog states features.

doi: 10.1143/PTPS.146.473
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2002JA14      Phys.Rev. C66, 024327 (2002)

J.Janecke, T.W.O'Donnell, V.I.Goldanskii

Isospin inversion, n-p interactions, and quartet structures in N=Z nuclei

NUCLEAR STRUCTURE A=4-100; analyzed level energy differences for N=Z nuclides; deduced pairing interaction and isospin inversion features.

doi: 10.1103/PhysRevC.66.024327
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2002RO14      Phys.Rev. C65, 044605 (2002)

D.A.Roberts, F.D.Becchetti, J.Janecke, M.Y.Lee, T.W.O'Donnell, K.Pham, J.A.Brown, R.E.Warner, R.M.Ronningen, H.W.Wilschut

Energy Dependence of the Total Reaction Cross Section of Isomeric 18Fm on Silicon below 400 MeV

NUCLEAR REACTIONS Si(18F, X), E < 400 MeV; measured reaction σ for metastable beam. Si(18F, X), (16O, X), (14N, X), E < 400 MeV; measured reaction σ.

RADIOACTIVITY 18mF(IT) [from 12C(17O, 11B)]; measured Eγ, Iγ.

doi: 10.1103/PhysRevC.65.044605
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1468.


2001FU07      Nucl.Phys. A687, 311c (2001)

Y.Fujita, T.Adachi, H.Akimune, A.D.Bacher, G.P.A.Berg, T.Black, I.Daito, C.C.Foster, H.Fujimura, H.Fujita, M.Fujiwara, K.Hara, K.Harada, M.N.Harakeh, K.Hatanaka, T.Inomata, J.Janecke, J.Kamiya, Y.Kanzaki, K.Katori, T.Kawabata, W.Lozowski, K.Nagayama, T.Noro, D.A.Roberts, H.Sakaguchi, Y.Shimbara, T.Shinada, E.J.Stephenson, A.Tamii, K.Tamura, M.Tanaka, H.Ueno, T.Wakasa, T.Yamanaka, M.Yoshifuku, M.Yosoi

Isospin Symmetry-Structure Study at New High-Resolution Course of RCNP

NUCLEAR REACTIONS 27Al(3He, t), E=150 MeV/nucleon; 27Al(p, p'), E=160 MeV; measured excitation energy spectra Gamow-Teller strength distributions, M1 strength distributions, resonance parameters.

doi: 10.1016/S0375-9474(01)00637-6
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2001JA10      Nucl.Phys. A687, 270c (2001)

J.Janecke, H.Akimune, H.Ejiri, R.Fox, Y.Fujita, M.Fujiwara, M.B.Greenfield, M.N.Harakeh, R.Hazama, T.Inomata, N.Kudomi, K.Pham, D.A.Roberts, A.Tamii, M.Tanaka, H.Toyokawa, M.Yosoi

Direct and Statistical Proton Decay from Isovector Giant Resonances in 90Nb

NUCLEAR REACTIONS 90Zr(3He, t), E=150 MeV; measured σ at small angles, Ep, (proton)(triton)-coin. 90Nb deduced 1+ level energy, isobaric analog state, Gamow-Teller spin resonances, spin-dipole resonances parameters. Statistical model calculations.

doi: 10.1016/S0375-9474(01)00631-5
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2001KR23      Phys.Rev. C64, 067302 (2001)

A.Krasznahorkay, H.Akimune, M.Fujiwara, M.N.Harakeh, J.Janecke, V.A.Rodin, M.H.Urin, M.Yosoi

Distribution of the Gamow-Teller Strength in 90Nb and 208Bi

NUCLEAR REACTIONS 90Zr, 208Pb(3He, t), E=450 MeV; measured triton spectra. 90Nb, 208Bi deduced Gamow-Teller strength distributions. Continuum RPA calculations.

doi: 10.1103/PhysRevC.64.067302
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2001VA10      Phys.Lett. 502B, 1 (2001)

H.K.T.van der Molen, H.Akimune, A.M.van den Berg, I.Daito, H.Fujimura, Y.Fujita, M.Fujiwara, M.N.Harakeh, F.Ihara, T.Inomata, K.Ishibashi, J.Janecke, N.Kalantar-Nayestanaki, H.Laurent, I.Lhenry, T.W.O'Donnell, V.A.Rodin, A.Tamii, H.Toyokawa, M.H.Urin, H.Yoshida, M.Yosoi

Structure of 11/2- Analog State in 91Nb Populated by the 90Zr(α, t) Reaction

NUCLEAR REACTIONS 90Zr(α, t), E=180 MeV; measured triton spectra, delayed proton spectra following IAS decay. 91Nb level deduced configuration. 91Nb, 91Zr deduced neutron, proton separation energies, spectroscopic factors. Comparison with continuum RPA predictions.

doi: 10.1016/S0370-2693(01)00168-X
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2001VA28      Acta Phys.Hung.N.S. 13, 21 (2001)

A.M.van den Berg, H.Akimune, I.Daito, H.Fujimura, M.Fujiwara, Y.Fujita, M.N.Harakeh, F.Ihara, T.Inomata, K.Ishibashi, J.Janecke, N.Kalantar-Nayestanaki, H.Laurent, I.Lhenry, H.K.T.van der Molen, T.O'Donnell, V.A.Rodin, A.Tamii, H.Toyokawa, M.H.Urin, H.Yoshida, M.Yosoi

Collective and Single-Particle States at High Excitation Energy

NUCLEAR REACTIONS 90Zr(α, t), E=180 MeV; measured triton spectra, delayed proton spectra following residual nucleus decay, σ(E, θ). 91Nb deduced level configurations, IAS decay features, damping of single-paritcle states.

doi: 10.1556/APH.13.2001.1-3.4
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2000AK01      Phys.Rev. C61, 011304 (2000)

H.Akimune, I.Daito, Y.Fujita, M.Fujiwara, M.N.Harakeh, J.Janecke, M.Yosoi

Direct Proton Decay and Microscopic Structure of the Spin-Dipole Resonance in 208Bi

NUCLEAR REACTIONS 208Pb(3He, t), E=450 MeV; measured triton spectra, proton spectra following residual nucleus decay. 208Bi deduced proton decay partial escape widths from spin-dipole resonance. 207Pb levels deduced branching ratios. Comparison with theory.

doi: 10.1103/PhysRevC.61.011304
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2000FU15      Phys.Rev.Lett. 85, 4442 (2000)

M.Fujiwara, H.Akimune, A.M.van den Berg, M.Cribier, I.Daito, H.Ejiri, H.Fujimura, Y.Fujita, C.D.Goodman, K.Hara, M.N.Harakeh, F.Ihara, T.Ishikawa, J.Janecke, T.Kawabata, R.S.Raghavan, K.Schwarz, M.Tanaka, T.Yamanaka, M.Yosoi, R.G.T.Zegers

Gamow-Teller Strengths of the Inverse Beta Transition 176Yb → 176Lu for Spectroscopy of Proton-Proton and Other Sub-MeV Solar Neutrinos

NUCLEAR REACTIONS 176Yb(3He, t), E=450 MeV; measured triton spectra; deduced Gamow-Teller transition strengths. 176Lu deduced levels, IAS excitation strength. Application to solar neutrino detection discussed.

doi: 10.1103/PhysRevLett.85.4442
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2000ZE05      Phys.Rev. C61, 054602 (2000)

R.G.T.Zegers, S.Brandenburg, M.N.Harakeh, S.Y.van der Werf, J.Janecke, T.O'Donnell, D.A.Roberts, S.Shaheen, G.P.A.Berg, C.C.Foster, T.Rinckel, E.J.Stephenson

Search for Isovector Giant Monopole Resonances via the 124Sn(3He, tn) Reaction

NUCLEAR REACTIONS 124Sn(3He, t), E=199 MeV; measured excitation energy spectra, tn-, tγ-coin following residual nucleus decay; deduced no monopole resonance strength at high excitation energy.

doi: 10.1103/PhysRevC.61.054602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0806.


1999AN13      Nucl.Phys. A648, 3 (1999)

T.Annakkage, J.Janecke, J.S.Winfield, G.P.A.Berg, J.A.Brown, G.Crawley, S.Danczyk, M.Fujiwara, D.J.Mercer, K.Pham, D.A.Roberts, J.Stasko, G.H.Yoo

Isovector Giant Resonances in 6He, 12B, 90Y, 120In, and 208Tl Observed in the (7Li, 7Be) Charge-Exchange Reaction

NUCLEAR REACTIONS H, C, 6Li, 12C, 90Zr, 120Sn, 208Pb(7Li, 7Be), E=350 MeV; measured particle spectra, angular distributions, Eγ, Iγ(θ). 6He, 12B, 90Y, 120In, 208Tl deduced resonance features, spinflip ratios, spinflip enhancement, effective number of participating protons. Microscopic one-step distorted-wave analysis with shell-model transition amplitudes.

doi: 10.1016/S0375-9474(99)00015-9
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1999FU01      Phys.Rev. C59, 90 (1999)

Y.Fujita, H.Akimune, I.Daito, H.Fujimura, M.Fujiwara, M.N.Harakeh, T.Inomata, J.Janecke, K.Katori, A.Tamii, M.Tanaka, H.Ueno, M.Yosoi

Mirror-Symmetry Structure of A = 27, T = 1/2 Nuclei Studied Through Strong, Weak, and Electromagnetic Interactions

NUCLEAR REACTIONS 27Al(3He, t), E=150 MeV; measured σ(E, θ=0°). 27Si deduced levels, B(GT).

NUCLEAR STRUCTURE 27Al, 27Si; compiled, analyzed B(M1), B(GT), analog level energies; deduced isoscalar, orbital terms contributions. Mirror-symmetry structure.

doi: 10.1103/PhysRevC.59.90
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1999KR06      Phys.Rev.Lett. 82, 3216 (1999)

A.Kraznahorkay, M.Fujiwara, P.van Aarle, H.Akimune, I.Daito, H.Fujimura, Y.Fujita, M.N.Harakeh, T.Inomata, J.Janecke, S.Nakayama, A.Tamii, M.Tanaka, H.Toyokawa, W.Uijen, M.Yosoi

Excitation of Isovector Spin-Dipole Resonances and Neutron Skin of Nuclei

NUCLEAR REACTIONS 114,116,118,120,122,124Sn(3He, t), E=450 MeV; measured triton spectra; deduced spin-dipole, Gamow-Teller, IAS resonances excitation σ. 114,116,118,120,122,124Sn deduced neutrons, protons rms radii, correlation between neutron skin thickness and resonance excitation.

doi: 10.1103/PhysRevLett.82.3216
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1999OD02      Nucl.Instrum.Methods Phys.Res. A422, 513 (1999)

T.W.O'Donnell, F.D.Becchetti, J.Brown, J.W.Janecke, M.Y.Lee, R.S.Raymond, D.A.Roberts, R.S.Tickle, H.C.Griffin, R.M.Ronningen

Isotope Yields with a Solenoid-Based Fragment Mass Analysis System - Prospects for Exotic Isotope Studies in the 10 ≤ Z ≤ 30 Range

NUCLEAR REACTIONS C(136Xe, X), E=30 MeV/nucleon; measured Z=24-29 fragments isotopic yields. Production of neutron-rich nuclides for structure studies.

doi: 10.1016/S0168-9002(98)01077-8
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1999SH30      Nucl.Instrum.Methods Phys.Res. A432, 299 (1999)

B.M.Sherrill, H.Akimune, S.M.Austin, D.Bazin, A.M.van den Berg, G.P.A.Berg, J.Caggiano, I.Daito, H.Fujimura, Y.Fujita, M.Fujiwara, K.Hara, M.N.Harakeh, J.Janecke, T.Kawabata, A.Navin, D.A.Roberts, M.Steiner

Charge-Exchange Reactions with a Secondary Triton Beam

NUCLEAR REACTIONS 12C(t, 3He), E ≈ 350 MeV; measured particle spectra, σ(E, α). Secondary beam from α-particle fragmentation.

doi: 10.1016/S0168-9002(99)00518-5
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0575.


1998DA05      Phys.Lett. 418B, 27 (1998)

I.Daito, H.Akimune, S.M.Austin, D.Bazin, G.P.A.Berg, J.A.Brown, B.S.Davids, Y.Fujita, H.Fujimura, M.Fujiwara, R.Hazama, T.Inomata, K.Ishibashi, J.Janecke, S.Nakayama, K.Pham, D.A.Roberts, B.M.Sherrill, M.Steiner, A.Tamii, M.Tanaka, H.Toyokawa, M.Yosoi

Gamow-Teller Strengths from (t, 3He) Charge-Exchange Reactions on Light Nuclei

NUCLEAR REACTIONS 9Be, 10,11B, 12,13C(t, 3He), E=127 MeV/nucleon; measured zero degree 3He spectra. 9Li, 10,11Be, 12,13B deduced Gamow-Teller strengths. Radioactive beam, dispersion matching.

doi: 10.1016/S0370-2693(97)01393-2
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0574.


1998EJ03      Phys.Lett. 433B, 257 (1998)

H.Ejiri, H.Akimune, Y.Arimoto, I.Daito, H.Fujimura, Y.Fujita, M.Fujiwara, K.Fushimi, M.B.Greenfield, M.N.Harakeh, F.Ihara, T.Inomata, K.Ishibashi, J.Janecke, H.Kohri, S.Nakayama, C.Samanta, A.Tamii, M.Tanaka, H.Toyokawa, M.Yosoi

Spin-Isospin Responses of 71Ga for Solar Neutrinos Studied by 71Ga(3He, tγ)71Ge Reaction

NUCLEAR REACTIONS 71Ga(3He, t), E=450 MeV; measured Eγ, Iγ, forward-angle triton spectra, tγ-coin. 71Ge deduced γ-decay branching from levels above neutron threshold. Implications for solar neutrino absorption rates.

doi: 10.1016/S0370-2693(98)00673-X
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1997DA11      Phys.Rev.Lett. 79, 609 (1997)

B.F.Davis, U.Garg, W.Reviol, M.N.Harakeh, A.Bacher, G.P.A.Berg, C.C.Foster, E.J.Stephenson, Y.Wang, J.Janecke, K.Pham, D.Roberts, H.Akimune, M.Fujiwara, J.Lisantti

Evidence for the Isoscalar Giant Dipole Resonance in 208Pb using Inelastic α Scattering at and Near 0°

NUCLEAR REACTIONS 208Pb(α, α'), E=200 MeV; measured σ(θ), α spectra. 208Pb deduced isoscalar GDR.

doi: 10.1103/PhysRevLett.79.609
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1997DA28      Nucl.Instrum.Methods Phys.Res. A397, 465 (1997); Erratum Nucl.Instrum.Methods Phys.Res. A402, 177 (1998)

I.Daito, H.Akimune, S.M.Austin, D.Bazin, G.P.A.Berg, J.A.Brown, B.S.Davids, Y.Fujita, H.Fujimura, M.Fujiwara, R.Hazama, T.Inomata, K.Ishibashi, J.Janecke, S.Nakayama, K.Pham, D.A.Roberts, B.M.Sherrill, M.Steiner, A.Tamii, M.Tanaka, H.Toyokawa, M.Yosoi

(t, 3He) Reaction; New tool for studying spin-isospin excitations in neutron rich nuclei

NUCLEAR REACTIONS 12C, 10B(t, 3He), E=381 MeV; measured σ(E(3He), θ). 12B, 10Be deduced levels spin-isospin characteristics.

doi: 10.1016/S0168-9002(97)00825-5
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1997FU02      Phys.Rev. C55, 1137 (1997)

Y.Fujita, H.Akimune, I.Daito, M.Fujiwara, M.N.Harakeh, T.Inomata, J.Janecke, K.Katori, C.Luttge, S.Nakayama, P.von Neumann-Cosel, A.Richter, A.Tamii, M.Tanaka, H.Toyokawa, H.Ueno, M.Yosoi

Isospin and Spin-Orbital Structures of J(π) = 1+ States Excited in 28Si

NUCLEAR REACTIONS 28Si(3He, t), E=150 MeV/nucleon; measured spectra. 28P deduced Gamow-Teller transition strength. 28Si deduced 1+ states isospin structure. Comparisons with other reactions data.

doi: 10.1103/PhysRevC.55.1137
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1996DA12      Nucl.Phys. A599, 277c (1996)

B.F.Davis, H.Akimune, A.Bacher, G.P.A.Berg, C.C.Foster, M.Fujiwara, U.Garg, M.N.Harakeh, J.Janecke, J.Lisantti, K.Pham, W.Reviol, D.Roberts, E.J.Stephenson, Y.Wang

The ' Other ' Giant Dipole Resonance: Evidence for the isoscalar giant dipole resonance in 208Pb from inelastic α scattering at 0°

NUCLEAR REACTIONS 208Pb(α, α'), E=200 MeV; measured 0° spectra. 208Pb deduced evidence for isoscalar GDR.

doi: 10.1016/0375-9474(96)00070-X
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1996FU03      Phys.Lett. 365B, 29 (1996)

Y.Fujita, H.Akimune, I.Daito, M.Fujiwara, M.N.Harakeh, T.Inomata, J.Janecke, K.Katori, H.Nakada, S.Nakayama, A.Tamii, M.Tanaka, H.Toyokawa, M.Yosoi

Isospin Decomposition of the Gamow-Teller Strength in 58Cu

NUCLEAR REACTIONS 58Ni(3He, t), E=100 MeV/nucleon; measured triton spectra, θ=0°. 58Cu deduced Gamow-Teller transition strength, isospin components.

doi: 10.1016/0370-2693(95)01304-0
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1996FU06      Nucl.Phys. A599, 223c (1996)

M.Fujiwara, H.Akimune, I.Daito, H.Ejiri, Y.Fujita, M.B.Greenfield, M.N.Harakeh, T.Inomata, J.Janecke, S.Nakayama, N.Takemura, A.Tamii, M.Tanaka, H.Toyokawa, M.Yosoi

Spin Isospin Resonances in Nuclei

NUCLEAR REACTIONS 100Mo, 116Cd, 114,116,118,120,122,124Sn, 71Ga(3He, t), E=450 MeV; measured 0° triton spectra; deduced solar neutrino capture rate. 71Ge deduced Gamow-Teller transition strength. 12C(3He, pt), E=450 MeV; measured pt-coin. 12C(t, 3He), E=381 MeV; analyzed data. 13N deduced proton decay features.

doi: 10.1016/0375-9474(96)00065-6
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1996JA08      Nucl.Phys. A599, 191c (1996)

J.Janecke, T.Annakkage, K.Pham, D.A.Roberts, J.A.Brown, G.Crawley, S.Danczik, D.J.Mercer, J.Stasko, J.S.Winfield, G.H.Yoo, G.P.A.Berg, M.Fujiwara

Isovector Giant Resonances in 6He, 12B, 90Y, 120In, and 208Tl

NUCLEAR REACTIONS 6Li, 12C, 90Zr, 120Sn, 208Pb(7Li, 7Be), E=350 MeV; measured σ(θ), 7Be spectra, γ(7Be)-coin. 6He, 12B, 90Y, 120In, 208Tl deduced isovector giant resonances, J, π, width.

doi: 10.1016/0375-9474(96)00061-9
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1996JA11      Phys.Rev. C54, 1070 (1996)

J.Janecke, T.Annakkage, G.P.A.Berg, B.A.Brown, J.A.Brown, G.Crawley, S.Danczyk, M.Fujiwara, D.J.Mercer, K.Pham, D.A.Roberts, J.Stasko, J.S.Winfield, G.H.Yoo

Structure of the Neutron-Halo Nucleus 6He

NUCLEAR REACTIONS 6Li(7Li, 7Be), E=350 MeV; measured σ(θ). 6He deduced resonances, J, π. Microscopic finite-range DWBA.

doi: 10.1103/PhysRevC.54.1070
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1995AK02      Phys.Rev. C52, 604 (1995)

H.Akimune, I.Daito, Y.Fujita, M.Fujiwara, M.B.Greenfield, M.N.Harakeh, T.Inomata, J.Janecke, K.Katori, S.Nakayama, H.Sakai, Y.Sakemi, M.Tanaka, M.Yosoi

Direct Proton Decay from the Gamow-Teller Resonance in 208Bi

NUCLEAR REACTIONS 208Pb(3He, t), E=450 MeV; measured triton spectra, proton spectra from residue decay. 208Bi deduced Gamow-Teller, spin-dipole resonances, decay features, proton total, partial escape widths.

doi: 10.1103/PhysRevC.52.604
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1995BR05      Phys.Rev. C51, 1312 (1995)

J.A.Brown, F.D.Becchetti, J.Janecke, D.A.Roberts, D.W.Litzenberg, T.W.O'Donnell, R.E.Warner, N.A.Orr, R.M.Ronningen

Proton Scattering from an Excited Nucleus (18mF, J(π) = 5+, E(α) = 1.1 MeV) Using a γ-Ray-Tagged Secondary Isomeric Nuclear Beam

NUCLEAR REACTIONS 18F(p, p), E(cm) ≈ 20 MeV; measured Eγ, Iγ, target in isomeric state, σ(θ). Secondary isomeric beam, γ-ray tagging.

doi: 10.1103/PhysRevC.51.1312
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1995NA16      Phys.Rev. C52, 1894 (1995)

A.Nadasen, J.Brusoe, J.Farhat, T.Stevens, J.Williams, L.Nieman, J.S.Winfield, R.E.Warner, F.D.Becchetti, J.W.Janecke, T.Annakkage, J.Bajema, D.Roberts, H.S.Govinden

Unique Potentials for the Elastic Scattering of 350 MeV 7Li from 12C and 28Si

NUCLEAR REACTIONS 12C, 28Si(7Li, 7Li), E=350 MeV; measured σ(θ); deduced optical model parameters. Double-folding calculations.

doi: 10.1103/PhysRevC.52.1894
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1995PH01      Phys.Rev. C51, 526 (1995)

K.Pham, J.Janecke, D.A.Roberts, M.N.Harakeh, G.P.A.Berg, S.Chang, J.Liu, E.J.Stephenson, B.F.Davis, H.Akimune, M.Fujiwara

Fragmentation and Splitting of Gamow-Teller Resonances in Sn(3He, t)Sb Charge-Exchange Reactions, A = 112-124

NUCLEAR REACTIONS Sn(3He, t), E=200 MeV; measured σ(Et), σ(θ). 112,114,116,117,118,119,120,122,124Sb deduced IAS, Gamow-Teller transitions, Γ, fragmentation features.

doi: 10.1103/PhysRevC.51.526
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1995RO14      Nucl.Phys. A588, 247c (1995)

D.A.Roberts, F.D.Becchetti, J.A.Brown, J.Janecke, K.Pham, T.W.O'Donnell, R.E.Warner, R.M.Ronningen, H.W.Wilschut

Unusual Energy Dependence of the Total Nuclear Reaction Cross Section for a Secondary Isomeric Nuclear Beam (18mF, Jπ = 5+, E(x) = 1.1 MeV)

NUCLEAR REACTIONS Si(18F, X), E=22.3 MeV/nucleon; measured total reaction σ, projectile in ground, isomeric states; deduced unusual features for σ obtained from 18mF beam. Secondary 18,18mF beam from 12C(17O, 18F) reaction.

doi: 10.1016/0375-9474(95)00147-S
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1995RO20      Phys.Rev. C52, 1361 (1995)

D.A.Roberts, K.Ashktorab, F.D.Becchetti, J.Janecke, M.N.Harakeh, S.Y.van der Werf, G.P.A.Berg, C.C.Foster, J.E.Lisantti, T.Rinckel, E.J.Stephenson, S.P.Wells, A.Nadasen, S.Shaheen

Neutron Decay from the Isobaric Analog State in 120Sb Populated in 120Sn(3He, t)120Sb at E(3He) = 200 MeV, θ = 0°

NUCLEAR REACTIONS 120Sn(3He, t), (3He, nt), E=200 MeV; measured σ(Et, θ=0°), nt-coin. 120Sb deduced IAS spreading width.

doi: 10.1103/PhysRevC.52.1361
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1995WA01      Phys.Rev. C51, 178 (1995)

R.E.Warner, F.D.Becchetti, J.W.Janecke, D.A.Roberts, D.Butts, C.L.Carpenter, J.M.Fetter, A.Muthukrishnan, J.J.Kolata, K.Lamkin, M.Belbot, M.Zahar, A.Galonsky, K.Ieki, P.Zecher

Elastic Scattering of 10 MeV 6He from 12C, (nat)Ni, and 197Au

NUCLEAR REACTIONS 12C, Ni, 197Au(6He, 6He), E=10 MeV; measured σ(θ). Optical model analysis.

doi: 10.1103/PhysRevC.51.178
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1994AK01      Phys.Lett. 323B, 107 (1994)

H.Akimune, I.Daito, Y.Fujita, M.Fujiwara, M.B.Greenfield, M.N.Harakeh, T.Inomata, J.Janecke, K.Katori, S.Nakayama, H.Sakai, Y.Sakemi, M.Tanaka, M.Yosoi

Microscopic Structure of the Gamow-Teller Resonance in 208Bi

NUCLEAR REACTIONS 208Pb(3He, t), E=450 MeV; measured triton spectra, Ep following residual decay. 208Bi deduced Gamow-Teller resonance proton total, escape width.

doi: 10.1016/0370-2693(94)90277-1
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1994AK02      Nucl.Phys. A569, 245c (1994)

H.Akimune, I.Daito, Y.Fujita, M.Fujiwara, M.B.Greenfield, M.N.Harakeh, T.Inomata, J.Janecke, K.Katori, S.Nakayama, H.Sakai, Y.Sakemi, M.Tanaka, M.Yosoi

(3He, t) Charge-Exchange Reactions at E(3He) = 450 MeV, θ=0°

NUCLEAR REACTIONS 9Be, C, 28Si, 62,58Ni, 90Zr, 118,120,124Sn, 154Sm(3He, t), E=450 MeV; measured triton spectra, (particle)(particle)-coin; deduced reaction mechanism features. 9B, 58,62Cu, 28P, 12,13N, 90Nb, 118,120,124Sb, 154Eu deduced Gamow-Teller, spin-flip resonance excitation enhancement.

doi: 10.1016/0375-9474(94)90115-5
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1994AK03      Nucl.Phys. A569, 255c (1994)

H.Akimune, I.Daito, Y.Fujita, M.Fujiwara, M.B.Greenfield, M.N.Harakeh, T.Inomata, J.Janecke, K.Katori, S.Nakayama, H.Sakai, Y.Sakemi, M.Tanaka, M.Yosoi

Microscopic Structure of the Gamow-Teller Resonance in 208Bi

NUCLEAR REACTIONS 208Pb(3He, t), E=450 MeV; measured triton spectra, (particle)(t)-coin. 208Bi deduced Gamow Teller resonance total, partial widths.

doi: 10.1016/0375-9474(94)90116-3
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1994AN37      Nucl.Instrum.Methods Phys.Res. A353, 24 (1994)

T.N.Annakkage, J.Janecke, K.Pham, D.A.Roberts, G.P.A.Berg, J.S.Winfield

Fast γ-Ray Coincidence Timing using a BGO Detector Array in a Nuclear Reaction Experiment

NUCLEAR STRUCTURE 7Be; analyzed γγ(t) following excited states production in (7LI, 7Be) reactions; deduced detector time resolution, other features. Simulation of BGO detector array output signals, fast γ-ray coincidence timing.

doi: 10.1016/0168-9002(94)91594-6
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1994BO22      Nucl.Phys. A574, 453 (1994)

J.A.Bordewijk, A.Balanda, D.Beaumel, J.Blomgren, S.Brandenburg, G.van't Hof, M.N.Harakeh, M.A.Hofstee, J.Janecke, A.Krasznahorkay, H.Laurent, L.Nilsson, N.Olsson, R.Perrino, R.Siebelink, P.O.Soderman, S.Y.van der Werf, A.van der Woude

Neutron Decay of the Isobaric Analog State in 208Bi

NUCLEAR REACTIONS 208Pb(3He, t), E=61.2 MeV; measured neutron spectra. 208Bi deduced neutron spectrum from IAS decay, branching ratio. Statistical-decay calculations, isospin impurity. Magnetic spectrograph, neutron time-of-flight multi-detector.

doi: 10.1016/0375-9474(94)90239-9
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1994DA08      Nucl.Phys. A569, 325c (1994)

B.F.Davis, H.Akimune, A.Bacher, G.P.A.Berg, M.Fujiwara, U.Garg, M.N.Harakeh, J.Janecke, J.Lisantti, K.Pham, W.Reviol, D.Roberts, E.J.Stephenson, Y.Wang

Looking for the Isoscalar Giant Dipole Resonance in 208Pb using Inelastic α Scattering at and Near 0°

NUCLEAR REACTIONS 208Pb(α, α'), E=200 MeV; measured σ(θ). 24Mg(α, α'), E=200 MeV; measured α spectra. 208Pb deduced isoscalar GDR, other resonance features.

doi: 10.1016/0375-9474(94)90123-6
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1994FU11      Nucl.Phys. A577, 43c (1994)

M.Fujiwara, H.Akimune, I.Daito, H.Ejiri, Y.Fujita, M.B.Greenfield, M.N.Harakeh, R.Hazama, T.Inomata, J.Janecke, N.Kudomi, K.Kume, S.Nakayama, K.Shinmyo, A.Tamii, M.Tanaka, H.Toyokawa, M.Yosoi

Spin-Isospin Excitations in Nuclei via (3He, t) Reactions at 450 MeV

NUCLEAR REACTIONS 71Ga, 90Zr(3He, t), E=450 MeV; measured triton spectra, θ=0°. 90Nb, 71Ge deduced Gamow-Teller transition strength. Other cases discussed.

doi: 10.1016/0375-9474(94)90832-X
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1994HA40      Nucl.Phys. A577, 57c (1994)

M.N.Harakeh, H.Akimune, I.Daito, Y.Fujita, M.Fujiwara, M.B.Greenfield, T.Inomata, J.Janecke, K.Katori, S.Nakayama, H.Sakai, Y.Sakemi, M.Tanaka, M.Yosoi

The (3He, t(p-bar)) Reaction: A means to study the microscopic structure of spin-isospin modes

NUCLEAR REACTIONS 208Pb(3He, t), E=450 MeV; measured triton spectra, proton spectra from residue decay. 12C(3He, t), E=450 MeV; measured 12N spectra, (12N)n-coin. 208Bi deduced Gamow-Teller, spin-dipole resonances, decay features, proton widths. 12N deduced spin-flip resonances.

doi: 10.1016/0375-9474(94)90834-6
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1994NA03      Phys.Rev. C49, 2258 (1994)

A.Nadasen, J.Winfield, P.Schwandt, J.Farhat, L.Nieman, R.E.Warner, F.D.Becchetti, J.W.Janecke, N.Anantaraman

Reply to ' Comment on ' Elastic Scattering of 318 MeV 6Li from 12C and 28Si: Unique phenomenological and folding-model potentials ' and the validity of the M3Y effective interaction '

NUCLEAR REACTIONS 12C(6Li, 6Li), E=35, 53 MeV/nucleon; analyzed σ(θ) analyses; deduced renormalization related features in folding model with M3Y interaction.

doi: 10.1103/PhysRevC.49.2258
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1994OD04      Nucl.Instrum.Methods Phys.Res. A353, 215 (1994)

T.W.O'Donnell, E.Aldredge, F.D.Becchetti, J.A.Brown, P.Conlan, J.Janecke, R.S.Raymond, D.A.Roberts, R.S.Tickle, H.C.Griffin, R.M.Ronningen

A Mass Separator using a Large Solenoid ' Lens ' with Time-of-Flight and Position Sensitive Detectors

NUCLEAR REACTIONS C(136Xe, X), E=30 MeV/nucleon; measured projectile fragmentation associated σ(θ), mass, charge distributions. Mass separator with large solenoid lens with tof, position sensitive detectors.

doi: 10.1016/0168-9002(94)91641-1
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1993AS02      Phys.Rev. C47, 2954 (1993)

K.Ashktorab, J.W.Janecke, F.D.Becchetti, D.A.Roberts

Beta Decay of 187Re and Cosmochronology

RADIOACTIVITY 187Re(β-); measured β-spectrum, end-point energy, continuum decay partial T1/2; deduced branching ratio for decay to 187Os bound states. Cosmochronology implications.

doi: 10.1103/PhysRevC.47.2954
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1993BE22      Phys.Rev. C48, 308 (1993)

F.D.Becchetti, W.Z.Liu, K.Ashktorab, J.F.Bajema, J.A.Brown, J.W.Janecke, D.A.Roberts, J.J.Kolata, K.L.Lamkin, A.Morsad, R.J.Smith, X.J.Kong, R.E.Warner

Systematics of 8Li-Induced Radioactive Beam Reactions: E = 13-20 MeV

NUCLEAR REACTIONS 2H, 9Be, 13,12C, 14N, 27Al, 58Ni(8Li, 7Li), (8Li, 8Li), E ≈ 13-20 MeV; 9Be, 12C(8Li, α), E ≈ 13-20 MeV; measured σ(θ).

doi: 10.1103/PhysRevC.48.308
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1993CA04      Phys.Rev. C47, 387 (1993)

D.D.Caussyn, N.R.Fletcher, K.W.Kemper, E.E.Towers, J.J.Kolata, K.Lamkin, R.J.Smith, F.D.Becchetti, J.A.Brown, J.W.Janecke, D.A.Roberts, D.L.Gay

Cross Section for the Primordial Reaction 8Li(p, n)8Be(g.s.) at E(cm) = 1.5 MeV

NUCLEAR REACTIONS 8Li(p, n), E(cm)=1.5 MeV; measured σ(θ); deduced σ. Hauser-Feshbach calculation.

doi: 10.1103/PhysRevC.47.387
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1993JA05      Nucl.Phys. A552, 323 (1993)

J.Janecke, J.A.Bordewijk, S.Y.van der Werf, M.N.Harakeh

Escape and Spreading Widths of the Isobaric Analog States of Sn and Te Isotopes

NUCLEAR STRUCTURE 112,113,114,115,116,117,118,119,120,121,122,123,124,125Sn, 112,113,114,115,116,117,118,119,120,121,122,123,124,125Sb, 121,122,123,124,125,126,127,128,129,130,131Te, 121,122,123,124,125,126,127,128,129,130,131I; analyzed transfer reaction data; deduced IAS escape, spreading widths.

doi: 10.1016/0375-9474(93)90496-K
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1993JA14      Phys.Rev. C48, 2828 (1993)

J.Janecke, K.Pham, D.A.Roberts, D.Stewart, M.N.Harakeh, G.P.A.Berg, C.C.Foster, J.E.Lisantti, R.Sawafta, E.J.Stephenson, A.M.van den Berg, S.Y.van der Werf, S.E.Muraviev, M.H.Urin

Fragmentation of Gamow-Teller Strength Observed in 117,120Sn(3He, t)117,120Sb Charge-Exchange Reactions

NUCLEAR REACTIONS 117,120Sn(3He, t), E=200 MeV; measured σ(Et, θ). 117,120Sb deduced level, J, π, giant resonances features, Gamow-Teller transition strength fragmentation. Magnetic spectrometer.

doi: 10.1103/PhysRevC.48.2828
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1993NA01      Phys.Rev. C47, 674 (1993)

A.Nadasen, T.Stevens, J.Farhat, J.Brusoe, P.Schwandt, J.S.Winfield, G.Yoo, N.Anantaraman, F.D.Becchetti, D.Brown, D.Hotz, J.W.Janecke, D.Roberts, R.E.Warner

Elastic Scattering of 318 MeV 6Li from 12C and 28Si: Unique phenomenological and folding-model potentials

NUCLEAR REACTIONS 12C, 28Si(6Li, 6Li), E=318 MeV; measured σ(θ). Phenomenological, folding model potentials interpretation.

doi: 10.1103/PhysRevC.47.674
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1992BE46      Nucl.Phys. A550, 507 (1992)

F.D.Becchetti, J.A.Brown, W.Z.Liu, J.W.Janecke, D.A.Roberts, J.J.Kolata, R.J.Smith, K.Lamkin, A.Morsad, R.E.Warner, R.N.Boyd, J.D.Kalen

Reaction Rates for 8Li(p, α) and 8Li(p, n, α) and Their Effect on Primordial Nucleosynthesis

NUCLEAR REACTIONS 1H(8Li, α), E(cm)=1.5 MeV; measured σ(Eα), σ(θ); deduced 8Li destruction thermonuclear reaction rate, p+8Li total reaction rate. Radioactive beam.

doi: 10.1016/0375-9474(92)90020-K
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1992RO04      Phys.Rev. C45, 726 (1992)

D.A.Roberts, F.D.Becchetti, J.A.Brown, J.W.Janecke, D.Shen, Z.W.Yin, A.Nadasen

Light Particle Emission Near 0° in the Reaction 20Ne + 181Ta at E/A = 85 MeV

NUCLEAR REACTIONS 181Ta(20Ne, X), E=85 MeV/nucleon; measured σ(fragment θ, E) for X=p, d, t, α and higher Z; deduced projectile saturation effect, reaction mechanism.

doi: 10.1103/PhysRevC.45.726
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1991BE49      Nucl.Instrum.Methods Phys.Res. B56/57, 554 (1991)

F.D.Becchetti, J.A.Brown, K.Ashktorab, J.W.Janecke, W.Z.Liu, D.A.Roberts, R.J.Smith, J.J.Kolata, K.Lamkin, A.Morsad, R.E.Warner

Production and Use of 6He, 7Be, 8Li, 12B and Metastable Nuclear Beams

NUCLEAR REACTIONS 9Be(7Li, 8Li), (7Li, α), (7Li, 6He), E=17 MeV; 1H(10B, 7Be), E=23.5 MeV; 9Be(7Li, 6He), E=14.63 MeV; 1H(10B, 7Be), E=23.5 MeV; 12C(3He, 7Be), E=22.5 MeV; 10B(6Li, 7Be), E=23 MeV; 12C(17O, 18F), E=70 MeV; measured secondary beam production yields. 197Au, C, Ni(8Li, 8Li), (8Li, 8Li'), E=13.8-14.9 MeV; measured σ(E(8Li)). 197Au, Ti, 2H, 27Al, C, 9Be(6He, 6He), E=8.8-9.3 MeV; measured σ(θ). Other reactions discussed.

doi: 10.1016/0168-583X(91)96094-2
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1991BR14      Phys.Rev.Lett. 66, 2452 (1991)

J.A.Brown, F.D.Becchetti, J.W.Janecke, K.Ashktorab, D.A.Roberts, J.J.Kolata, R.J.Smith, K.Lamkin, R.E.Warner

Coulomb Excitation of 8Li

NUCLEAR REACTIONS Ni(8Li, 8Li'), (8Li, 8Li), E ≈ 14.6 MeV; measured σ(θ) following Coulomb excittion. 8Li deduced level excitation probability, B(E2).

doi: 10.1103/PhysRevLett.66.2452
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1991JA04      Nucl.Phys. A526, 1 (1991)

J.Janecke, F.D.Becchetti, A.M.van den Berg, G.P.A.Berg, G.Brouwer, M.B.Greenfield, M.N.Harakeh, M.A.Hofstee, A.Nadasen, D.A.Roberts, R.Sawafta, J.M.Schippers, E.J.Stephenson, D.P.Stewart, S.Y.van der Werf

Non-Spin-Flip (3He, t) Charge-Exchange and Isobaric Analog States of Actinide Nuclei Studied at θ = 0°, E(3He) = 76 MeV and 200 MeV

NUCLEAR REACTIONS 12C, 16O, 27Al, 28Si, Ta, 230,232Th, 234,236,238U(3He, t), E=76.5 MeV; 12,13C, 16O, 19F, 28,29Si, 90Zr, 117,120Sn, Ta, W, 197Au, 208Pb, 230,232Th, 234,238U, 244Pu(3He, t), E=200 MeV; measured σ(Et); 120Sn(3He, t), E=200 MeV; measured σ(θt) for IAS; 230,232Th, 234,236,238U(3He, tp), E=76.5 MeV; measured proton decay from IAS, σ(Et, Ep, θt, θp); deduced Q-values for transitions to IAS. 90Nb, 117Sb, 120Sn, 181W, 184Re, 197Hg, 208Pb, 230,232Pa, 234,236,238Np, 244Am deduced Coulomb displacement energies, total widths Γ, escape widths, spreading widths of IAS. Non-spin-flip charge exchange effective interaction. Enriched and long-lived radioactive targets, magnetic spectrometers.

doi: 10.1016/0375-9474(91)90295-H
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1991SM01      Phys.Rev. C43, 761 (1991)

R.J.Smith, J.J.Kolata, K.Lamkin, A.Morsad, K.Ashktorab, F.D.Becchetti, J.A.Brown, J.W.Janecke, W.Z.Liu, D.A.Roberts

Scattering of 6He from 197Au, (nat)Ti, 27Al, (nat)C, and 9Be at E = 8-9 MeV

NUCLEAR REACTIONS 197Au, Ti, 27Al, C(6He, 6He), E=8.8-9.3 MeV; measured σ(θ); deduced model parameters. Beam from 9Be(7Li, 6He) reaction.

doi: 10.1103/PhysRevC.43.761
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1991SM02      Phys.Rev. C43, 2346 (1991)

R.J.Smith, J.J.Kolata, K.Lamkin, A.Morsad, F.D.Becchetti, J.A.Brown, W.Z.Liu, J.W.Janecke, D.A.Roberts, R.E.Warner

Elastic and Inelastic Scattering of 8Li from 12C

NUCLEAR REACTIONS C, 197Au(8Li, 8Li), (8Li, 8Li'), E=14 MeV; measured σ(θ); deduced model parameters. 8Li level deduced B(E2).

doi: 10.1103/PhysRevC.43.2346
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1990AS05      Nucl.Phys. A517, 27 (1990)

K.Ashktorab, S.Elitzur, J.Janecke, S.Liran, N.Zeldes

Coulomb Energies and the Shell Model

NUCLEAR STRUCTURE A ≤ 238; analyzed Coulomb displacement energies. Shell model approach.

doi: 10.1016/0375-9474(90)90259-O
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1990BE31      Phys.Rev. C42, R801 (1990)

F.D.Becchetti, K.Ashktorab, J.A.Brown, J.W.Janecke, D.A.Roberts, J.van Klinken, W.Z.Liu, J.J.Kolata, K.Lamkin, R.J.Smith, R.E.Warner

Production of an Isomeric, Excited Radioactive Nuclear Beam

NUCLEAR REACTIONS 12C(17O, 18F), E=50-80 MeV; measured σ, production rate of 18mF.

doi: 10.1103/PhysRevC.42.R801
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1990SH25      Phys.Rev. C42, 1519 (1990)

S.Shaheen, F.D.Becchetti, D.A.Roberts, J.W.Janecke, R.L.Stern, A.Nadasen

Very-High-Energy Light Charged-Particle Production Near 0° in Heavy-Ion Collisions, 9 ≤ E/A ≤ 40 MeV

NUCLEAR REACTIONS Ta(40Ar, X), (16O, X), E=20, 30 MeV/nucleon; measured σ(fragment θ, E); deduced reaction mechanism, model parameter dependences. Moving source model.

doi: 10.1103/PhysRevC.42.1519
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1990SM04      Nucl.Instrum.Methods Phys.Res. A294, 26 (1990)

R.J.Smith, J.J.Kolata, K.Lamkin, A.Morsad, K.Ashktorab, F.D.Becchetti, J.Brown, J.W.Janecke, W.Z.Liu, D.A.Roberts

Production and Use of Radioactive 7Be Beams

NUCLEAR REACTIONS 1H(10B, 7Be), E=23.5 MeV; 12C(3He, 7Be), E=22.5 MeV; measured σ(E(7Be)), yields. Radioactive beam production. 12C, 197Au(7Be, 7Be), E=8.5-22.4 MeV; measured σ(θ), ratio to Rutherford scattering. Radioactive beam.

doi: 10.1016/0168-9002(90)91824-U
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1989BE28      Phys.Rev. C40, R1104 (1989)

F.D.Becchetti, W.Z.Liu, D.A.Roberts, J.W.Janecke, J.J.Kolata, A.Morsad, X.J.Kong, R.E.Warner

Measurements of Discrete Nuclear Reactions Induced by a Radioactive 8Li Beam

NUCLEAR REACTIONS 12C, 9Be(8Li, 7Li), E=13 MeV; measured σ(θ), σ(E(7Li)); deduced astrophysical abundance implications.

doi: 10.1103/PhysRevC.40.R1104
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1989KO17      Nucl.Instrum.Methods Phys.Res. B40/41, 503 (1989)

J.J.Kolata, A.Morsad, X.J.Kong, R.E.Warner, F.D.Becchetti, W.Z.Liu, D.A.Roberts, J.W.Janecke

A Radioactive Beam Facility Using a Large Superconducting Solenoid

NUCLEAR REACTIONS 9Be(8Li, 7Li), E=11 MeV; measured residuals spectra, σ(θ). 9Be, 197Au(8Li, 8Li), E=not given; measured σ(θ).

doi: 10.1016/0168-583X(89)91032-X
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1989NA02      Phys.Rev. C39, 536 (1989)

A.Nadasen, M.McMaster, M.Fingal, J.Tavormina, P.Schwandt, J.S.Winfield, M.F.Mohar, F.D.Becchetti, J.W.Janecke, R.E.Warner

Unique 6Li-Nucleus Optical Potentials from Elastic Scattering of 210 MeV 6Li Ions by 28Si, 40Ca, 90Zr, and 208Pb

NUCLEAR REACTIONS 28Si, 40Ca, 90Zr, 208Pb(6Li, 6Li), E=210 MeV; measured σ(θ); deduced optical model parameters, target mass and energy dependence.

doi: 10.1103/PhysRevC.39.536
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1989NA11      Phys.Rev. C40, 1237 (1989)

A.Nadasen, M.McMaster, M.Fingal, J.Tavormina, J.S.Winfield, R.M.Ronningen, P.Schwandt, F.D.Becchetti, J.W.Janecke, R.E.Warner

Inelastic Scattering of 210 MeV 6Li Ions from 12C, 28Si, and 58Ni: Test of unique 6Li potentials

NUCLEAR REACTIONS 12C, 28Si, 58Ni(6Li, 6Li'), E=210 MeV; measured σ(θ). 12C, 28Si, 58Ni level deduced deformation length, quadrupole moments. DWBA, coupled-channels analyses.

doi: 10.1103/PhysRevC.40.1237
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1988AL13      Phys.Rev. C37, 1667 (1988)

B.Al-Bataina, J.Janecke

Reduced Alpha Widths for Nuclei with N ≥ 84, Z ≤ 84

NUCLEAR STRUCTURE Z=60-84; analyzed α-decay width data. 142Ce, 149Sm, 156Dy, 162,164Er, 168Yb, 176,174Hf, 180W, 184,186,188Os, 192Pt, 196Hg, 204Pb; calculated α-decay T1/2.

doi: 10.1103/PhysRevC.37.1667
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1988JA08      At.Data Nucl.Data Tables 39, 265 (1988)

J.Janecke, P.J.Masson

Mass Predictions from the Garvey-Kelson Mass Relations

NUCLEAR STRUCTURE Z=2-103; calculated masses. Garvey-Kelson mass relation.

ATOMIC MASSES Z=2-103; calculated masses. Garvey-Kelson mass relation.

doi: 10.1016/0092-640X(88)90028-9
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1988MA39      At.Data Nucl.Data Tables 39, 273 (1988)

P.J.Masson, J.Janecke

Masses from an Inhomogeneous Partial Difference Equation with Higher-Order Isospin Contributions

doi: 10.1016/0092-640X(88)90029-0
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1988NA02      Phys.Rev. C37, 132 (1988)

A.Nadasen, M.McMaster, G.Gunderson, A.Judd, S.Villanueva, P.Schwandt, J.S.Winfield, J.van der Plicht, R.E.Warner, F.D.Becchetti, J.W.Janecke

Elastic Scattering of 210 MeV 6Li Ions from 12C and 58Ni and Unique 6Li-Nucleus Optical Potentials

NUCLEAR REACTIONS 12C, 58Ni(6Li, 6Li), E=210 MeV; measured σ(θ); deduced unique potentials energy dependence. Optical model.

doi: 10.1103/PhysRevC.37.132
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1987AL28      Radiochim.Acta 42, 159 (1987)

B.Al-Bataina, J.Janecke

Half-Lives of Long-Lived Alpha Emitters

RADIOACTIVITY 144Nd, 147Sm, 190Pt, 238U(α); measured Eα, Iα, T1/2; deduced specific activities.


1987JA03      Nucl.Phys. A463, 571 (1987)

J.Janecke, M.N.Harakeh, S.Y.van der Werf

Spreading Widths of Isobaric Analog States and the Isovector Giant Monopole Resonance

NUCLEAR STRUCTURE A=110-238; analyzed IAS spreading widths, doorway to all states density ratio; deduced giant isovector monopole resonance energies, width, strength functions. Picket fence model.

doi: 10.1016/0375-9474(87)90631-2
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1985JA05      Nucl.Phys. A436, 108 (1985)

J.Janecke, E.Comay

Properties of Homogeneous and Inhomogeneous Mass Relations

NUCLEAR STRUCTURE A=2-255; analyzed observed, calculated mass differences; deduced homogeneous mass relation properties. Third-order partial difference equations based mass equations.

doi: 10.1016/0375-9474(85)90544-5
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1985WA13      Phys.Rev. C31, 1662 (1985)

C.W.Wang, P.G.Roos, N.S.Chant, G.Ciangaru, F.Khazaie, D.J.Mack, A.Nadasen, S.J.Mills, R.E.Warner, E.Norbeck, F.D.Becchetti, J.W.Janecke, P.M.Lister

9Be(p, pα)5He Cluster Knockout Reaction with 150 MeV Polarized Protons

NUCLEAR REACTIONS 9Be(polarized p, pα), E=150 MeV; measured quasifree σ(θ), analyzing power vs θ, σ(θp, Ep), energy sharing σ; deduced optical potentials parameters. 9Be deduced Sα for cluster breakup. DWIA, cluster knockout.

doi: 10.1103/PhysRevC.31.1662
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1984JA09      Phys.Lett. 140B, 1 (1984)

J.Janecke, E.Comay

Shell-Model Coulomb Energies with Deformation

NUCLEAR STRUCTURE A=4-240; calculated Coulomb displacement energies. Shell model approach, deformation effects.

doi: 10.1016/0370-2693(84)91035-9
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1984JA11      Phys.Lett. 141B, 281 (1984)

J.Janecke, O.Scholten

Isotope and Isomer Shifts of Samarium Isotopes in the Interacting Boson Model

NUCLEAR STRUCTURE 144,146,148,150,152Sm; calculated isotope, isomer shifts. Interacting boson model.

doi: 10.1016/0370-2693(84)90245-4
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1983BE20      Phys.Rev. C28, 276 (1983)

F.D.Becchetti, J.Janecke, P.Lister, K.Kwiatkowski, H.Karwowski, S.Zhou

190 MeV Proton-Induced Symmetric and Asymmetric Fission

NUCLEAR REACTIONS U, 197Au, 169Tm, 165Ho, 159Tb, Eu, Ce(p, F), E=190 MeV; measured fisson (fragment)(fragment)-coin, fission σ(θ=90°); deduced fragment yield vs mass, total kinetic energy release, fission probabilty vs Z2/A. Statistical model.

doi: 10.1103/PhysRevC.28.276
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1983CO23      Nucl.Phys. A410, 103 (1983)

E.Comay, J.Janecke

Shell-Model Coulomb Energies

NUCLEAR STRUCTURE A=4-240; calculated Coulomb displacement energies; deduced mass dependence, liquid drop model Coulomb energy validity. Shell model, global parameter fit to data.

doi: 10.1016/0375-9474(83)90404-9
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1983JA03      Nucl.Phys. A394, 39 (1983)

J.Janecke, E.H.L.Aarts, A.G.Drentje, M.N.Harakeh, C.Gaarde

Isobaric Analog States in Rare-Earth Nuclei Studied with the (3He, t) Charge Exchange Reaction at θ(L) = 0°

NUCLEAR REACTIONS 152,154,156,158,160Gd, 160,162Dy, 162,164,166,168,170Er, 170,172,174,176Yb, 176,178,180Hf(3He, t), E=60.5 MeV; measured σ(E(t), θ=0°). 152,154,156,158,160Tb, 160,162Ho, 162,164,166,168,170Tm, 170,172,174,176Lu, 176,178,180Ta deduced IAS, Γ, Coulomb displacement energies. Enriched targets, magnetic spectrometer.

doi: 10.1016/0375-9474(83)90160-4
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1983JA06      Phys.Rev. C27, 2282 (1983)

J.Janecke, F.D.Becchetti

Shape Transitions and Isotope Shifts of Proton and Neutron Distributions in the Samarium Isotopes

NUCLEAR STRUCTURE 144,145,146,147,148,149,150,151,152,153,154Sm; analyzed optical, X-ray, isotope shift data, Coulomb displacement energies; deduced neutron matter rms radii. Interacting boson, droplet models.

doi: 10.1103/PhysRevC.27.2282
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1983JA07      Nucl.Phys. A402, 262 (1983)

J.Janecke, F.D.Becchetti, W.S.Gray, R.S.Tickle, E.Sugarbaker

Coulomb Displacement Energies and Decay Widths of Isobaric Analog States from Sm(3He, t) at θ = 0°

NUCLEAR REACTIONS 144,147,148,149,150,152,154Sm(3He, t), E=45.9 MeV; measured σ(Et, θ=0°). 144,147,148,149,150,152,154Eu deduced IAS, Coulomb displacement energies, deformation, decay widths. Enriched targets, magnetic spectrometer.

doi: 10.1016/0375-9474(83)90498-0
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1982JA04      Phys.Rev. C26, 405 (1982)

J.Janecke, F.D.Becchetti, D.Overway, C.E.Thorn

Selective Excitations of α-Cluster States in 150Nd

NUCLEAR REACTIONS 154Sm(d, 6Li), E=33 MeV; measured σ(E(6Li)), σ(θ). 150Nd deduced levels, Sα, α-reduced widths, rotational bands. DWBA.

doi: 10.1103/PhysRevC.26.405
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1981JA01      Phys.Rev. C23, 101 (1981)

J.Janecke, F.D.Becchetti, D.Overway, J.D.Cossairt, R.L.Spross

Selective Excitations in Actinide Nuclei via Alpha Pickup

NUCLEAR REACTIONS 232Th, 238U(d, 6Li), E=54.8 MeV; measured σ(θ). 228Ra, 234Th deduced levels, Sα, α-reduced widths, α-clustering probabilities. DWBA analysis.

doi: 10.1103/PhysRevC.23.101
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1981JA03      Phys.Lett. 103B, 1 (1981)

J.Janecke

Simple Parameterization of Nuclear Deformation Parameters

NUCLEAR STRUCTURE A=140-208; calculated β2, β4, β6. Semi-empirical model.

doi: 10.1016/0370-2693(81)90180-5
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1981OV02      Nucl.Phys. A366, 299 (1981)

D.Overway, J.Janecke, F.D.Becchetti, C.E.Thorn, G.Kekelis

Reaction Dependence of Nuclear Decay Linewidths

NUCLEAR REACTIONS 11B(p, α), 9Be(p, d), 12C(d, 6Li), E=33 MeV; 9Be(d, t), 19F(p, α), E=26 MeV; 12C(12C, 16O), E=80 MeV; 12C(6Li, α), E=42, 90 MeV; 12C(7Li, t), E=34 MeV; 12C(10B, 6Li), E=73 MeV; measured σ(Eα), σ(Ed), σ(Et), σ(E(6Li)), σ(E(16O)). 8Be, 16O resonances deduced Γ, α-reduced widths.

doi: 10.1016/0375-9474(81)90290-6
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1981SC16      Phys.Rev. C24, 1522 (1981)

P.Schwandt, W.W.Jacobs, M.D.Kaitchuck, P.P.Singh, W.D.Ploughe, F.D.Becchetti, J.Janecke

Optical Potential for 6Li Elastic Scattering at 99 MeV

NUCLEAR REACTIONS 12C, 28Si, 40Ca, 58Ni, 90Zr, 208Pb(6Li, 6Li), E=99 MeV; measured σ(θ). Phenomenological, semi-microscopic optical model analyses.

doi: 10.1103/PhysRevC.24.1522
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1980BE04      Phys.Rev. C21, 444 (1980)

F.D.Becchetti, K.T.Hecht, J.Janecke, D.Overway, G.Kekelis

Systematics of (α, 12C) in Light Nuclei and Implications for Multi-α-Cluster Transfer Reactions

NUCLEAR REACTIONS 16O, 24,26Mg, 28Si, 40Ca(α, 12C), E=90.3 MeV; measured σ(E(12C), θ); deduced multi-α-cluster transfer, superheavy synthesis.

doi: 10.1103/PhysRevC.21.444
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1980BE15      Nucl.Phys. A339, 132 (1980)

F.D.Becchetti, K.T.Hecht, J.Janecke, D.Overway, G.Kekelis

16O, 24,26Mg, 28Si, 32S, 40Ca(α, 12C) and Multi-α-Cluster Transfer Reactions

NUCLEAR REACTIONS 24,26Mg, 16O, 28Si, 32S, 40Ca(α, 12C), E=90.3 MeV; measured σ(E(12C), θ); deduced target-mass dependence of σ; calculated direct transfer σ, 8Be overlap amplitudes.

doi: 10.1016/0375-9474(80)90246-8
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1980BE33      Nucl.Phys. A344, 336 (1980)

F.D.Becchetti, D.Overway, J.Janecke, W.W.Jacobs

12C(Li, d)16O at E(Li)=90 MeV

NUCLEAR REACTIONS 12C(6Li, d), E=90.2 MeV; measured σ(Ed, θd). 16O deduced α-cluster states, α-reduced widths, Sα, resonances, Γ. Optical model, direct mechanism, realistic target, projectile wave functions. Magnetic spectrometer.

doi: 10.1016/0375-9474(80)90682-X
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1980JA09      Nucl.Phys. A343, 161 (1980)

J.Janecke, F.D.Becchetti, D.Overway

Alpha-Cluster Transfer from Alpha-Decaying Nuclei

NUCLEAR REACTIONS 144Nd, 148Sm, 152Gd(d, 6Li), E=33 MeV; 208Pb, 232Th, 238U(d, 6Li), E=55 MeV; 208Pb(6Li, d), E=90 MeV; measured σ(θ). 144Nd, 148Sm, 152Gd, 212Po, 232Th, 238U deduced α-reduced width, α-decay T1/2, Sα. Magnetic spectrometer. Finite-range DWBA analysis.

doi: 10.1016/0375-9474(80)90647-8
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1979BE14      Phys.Rev. C19, 1775 (1979)

F.D.Becchetti, J.Janecke, D.Overway, J.D.Cossairt, R.L.Spross

α Clustering in 208Pb from (d, 6Li) at E = 55 MeV

NUCLEAR REACTIONS 208Pb(d, 6Li), E=54.8 MeV; measured σ(θ). 204Hg levels deduced Sα, reduced alpha-widths. DWBA analysis. Magnetic spectrometer.

doi: 10.1103/PhysRevC.19.1775
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