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NSR database version of April 11, 2024.

Search: Author = D.Roberts

Found 78 matches.

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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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2007FO05      Phys.Rev. C 75, 064605 (2007)

W.Fong, J.L.Matthews, M.L.Dowell, E.R.Kinney, T.Soos, M.Y.Wang, S.A.Wood, P.A.M.Gram, G.A.Rebka, Jr., D.A.Roberts

Inclusive pion double charge exchange in light p-shell nuclei

NUCLEAR REACTIONS 6,7Li, 9Be, 12C(π+, π-), (π-, π+), E=120-270 MeV; measured double differential inclusive pion double charge exchange cross sections. Compared results to model calculations.

doi: 10.1103/PhysRevC.75.064605
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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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2007ZI03      Nucl.Instrum.Methods Phys.Res. A579, 476 (2007)

J.A.Zimmerman, F.D.Becchetti, H.C.Griffin, D.A.Roberts, M.Y.Lee, T.W.O'Donnell, J.A.Brown, R.M.Ronningen, T.Glasmacher, R.W.Ibbotson, H.Scheit, B.Pritychenko, D.W.Anthony, P.A.Lofy, M.Steiner

Nuclear reactions with radioactive, isomer beams: Coulomb excitation of 18Fg.s and its Jπ = 5+ isomer 18Fm using a large position-sensitive NaI array

NUCLEAR REACTIONS 12C(17O, 18F)11B, E=45 MeV/nucleon; measured Eγ, Iγ. 18F deduced B(E1), B(E2).

doi: 10.1016/j.nima.2007.04.124
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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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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1466.


2006WA18      Phys.Rev. C 74, 014605 (2006)

R.E.Warner, F.Carstoiu, J.A.Brown, F.D.Becchetti, D.A.Roberts, B.Davids, A.Galonsky, R.M.Ronningen, M.Steiner, M.Horoi, J.J.Kolata, A.Nadasen, C.Samanta, J.Schwarzenberg, K.Subotic

Reaction and proton-removal cross sections of 6Li, 7Be, 10B, 9, 10, 11C, 12N, 13, 15O, and 17Ne on Si at 15 to 53 MeV/nucleon

NUCLEAR REACTIONS Si(6Li, X), (7Be, X), (10B, X), (9C, X), (10C, X), (11C, X), (12N, X), (13O, X), (15O, X), (17Ne, X), E=15-53 MeV/nucleon; measured reaction and proton-removal σ. 6Li, 7Be, 10B, 9,10,11C, 12N, 13,15O, 17Ne deduced radii. Comparison with Glauber model predictions.

doi: 10.1103/PhysRevC.74.014605
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1445.


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.


2005BE38      Phys.Rev. C 71, 054610 (2005)

F.D.Becchetti, R.S.Raymond, D.A.Roberts, J.Lucido, P.A.DeYoung, B.Hilldore, J.Bychowski, A.J.Huisman, P.J.VanWylen, J.J.Kolata, G.Rogachev, J.D.Hinnefeld

The (8Li, α) reaction at low energy: Direct 4H cluster transfer?

NUCLEAR REACTIONS C, 27Al, 208Pb(8Li, α), E=27.7 MeV; measured Eα, σ(θ); deduced reaction mechanism features.

doi: 10.1103/PhysRevC.71.054610
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1260.


2005KI20      Phys.Rev. C 72, 044608 (2005)

E.R.Kinney, J.L.Matthews, P.A.M.Gram, D.W.MacArthur, E.Piasetzky, G.A.Rebka, Jr., D.A.Roberts

Inclusive pion double charge exchange in 4He at intermediate energies

NUCLEAR REACTIONS 4He(π+, π-), E=120, 150, 180, 240, 270 MeV; 4He(π-, π+), E=180, 240 MeV; measured σ(E, θ); deduced multiple scattering effects, total σ.

doi: 10.1103/PhysRevC.72.044608
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2003BE38      Nucl.Instrum.Methods Phys.Res. A505, 377 (2003)

F.D.Becchetti, M.Y.Lee, T.W.O'Donnell, D.A.Roberts, J.J.Kolata, L.O.Lamm, G.Rogachev, V.Guimaraes, P.A.DeYoung, S.Vincent

The TwinSol low-energy radioactive nuclear beam apparatus: status and recent results

NUCLEAR REACTIONS Pb(8Li, 8Li), (8Li, 8Li'), E=20-36 MeV; measured σ(E). 8Li deduced transition B(E2). 1H(7Be, 7Be), E=low; measured excitation function.

doi: 10.1016/S0168-9002(03)01101-X
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2003RO13      Phys.Rev. C 68, 024602 (2003)

G.V.Rogachev, J.J.Kolata, V.Z.Goldberg, L.V.Grigorenko, F.D.Becchetti, P.A.DeYoung, J.D.Hinnefeld, L.O.Lamm, J.Lupton, T.W.O'Donnell, D.A.Roberts, S.Shaheen

Final state interaction or a 3H excited state?

NUCLEAR REACTIONS 1H(6He, α), E=23.9 MeV; measured Eα, Iα; deduced resonance structure, possible three-body final-state interaction. 3H deduced possible excited state.

doi: 10.1103/PhysRevC.68.024602
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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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2002KO25      Phys.Rev. C65, 054616 (2002)

J.J.Kolata, V.Z.Goldberg, L.O.Lamm, M.G.Marino, C.J.O'Keeffe, G.Rogachev, E.F.Aguilera, H.Garcia-Martinez, E.Martinez-Quiroz, P.Rosales, F.D.Becchetti, T.W.O'Donnell, D.A.Roberts, J.A.Brown, P.A.DeYoung, J.D.Hinnefeld, S.A.Shaheen

Elastic Scattering and Transfer in the 8Li + 209Pb System Near the Coulomb Barrier

NUCLEAR REACTIONS 208Pb(8Li, 8Li), (8Li, 7LiX), (8Li, αX), E(cm)=24-33 MeV; measured particle spectra, σ(θ); deduced total reaction σ, interaction barrier. Comparison with similar reactions.

doi: 10.1103/PhysRevC.65.054616
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1245.


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.


2002VI08      Nucl.Instrum.Methods Phys.Res. A491, 426 (2002)

S.M.Vincent, A.Aprahamian, J.J.Kolata, L.O.Lamm, V.Guimaraes, R.C.deHaan, D.Peterson, P.Santi, A.Teymurazyan, F.D.Becchetti, T.W.O'Donnell, M.Lee, D.A.Roberts, J.A.Zimmerman, J.A.Brown

Gamma-ray spectroscopy with a low-energy 6He radioactive ion beam

NUCLEAR REACTIONS 63Cu(6He, 2np), E=28 MeV; measured Eγ, Iγ, γγ-coin; deduced σ. 66Zn deduced levels, J, π.

doi: 10.1016/S0168-9002(02)01272-X
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2002VO01      Phys.Rev.Lett. 88, 012501 (2002)

P.A.Voytas, C.Ternovan, M.Galeazzi, D.McCammon, J.J.Kolata, P.Santi, D.Peterson, V.Guimaraes, F.D.Becchetti, M.Y.Lee, T.W.O'Donnell, D.A.Roberts, S.Shaheen

Direct Measurement of the L/K Ratio in 7Be Electron Capture

RADIOACTIVITY 7Be(EC) [from 3He(6Li, 7Be)]; measured X-ray spectra; deduced L/K capture ratio, possible in-medium effects. Cryogenic microcalorimeter.

doi: 10.1103/PhysRevLett.88.012501
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2001AG06      Phys.Rev. C63, 061603 (2001)

E.F.Aguilera, J.J.Kolata, F.D.Becchetti, P.A.DeYoung, J.D.Hinnefeld, A.Horvath, L.O.Lamm, H.-Y.Lee, D.Lizcano, E.Martinez-Quiroz, P.Mohr, T.W.O'Donnell, D.A.Roberts, G.Rogachev

Elastic Scattering and Transfer in the 6He + 209Bi System below the Coulomb Barrier

NUCLEAR REACTIONS 209Bi(6He, X), E(cm)=14.3-21.4 MeV; measured reaction σ. 209Bi(6He, 6He), (6He, αX), E(cm)=14.3-21.4 MeV; measured σ(θ); deduced optical model parameters.

doi: 10.1103/PhysRevC.63.061603
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1247.


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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2001KO02      Phys.Rev. C63, 024616 (2001)

J.J.Kolata, V.Guimaraes, D.Peterson, P.Santi, R.H.White-Stevens, S.M.Vincent, F.D.Becchetti, M.Y.Lee, T.W.O'Donnell, D.A.Roberts, J.A.Zimmerman

Breakup of 8B at Sub-Coulomb Energies

NUCLEAR REACTIONS 58Ni(8B, p7Be), E=25.75 MeV; measured σ(E, θ); deduced reaction mechanism features. Comparison with coupled-channels calculations.

doi: 10.1103/PhysRevC.63.024616
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1162.


2001ME13      Phys.Rev. C63, 065805 (2001)

D.J.Mercer, S.M.Austin, J.A.Brown, S.A.Danczyk, S.E.Hirzebruch, J.H.Kelley, T.Suomijarvi, D.A.Roberts, T.P.Walker

Production of A = 6, 7 Nuclides in the α + α Reaction and Cosmic Ray Nucleosynthesis

NUCLEAR REACTIONS 4He(α, 2p), (α, np), (α, d), (α, p), (α, n), E=160, 280, 620 MeV; measured σ(θ), σ. Astrophysical implications discussed.

doi: 10.1103/PhysRevC.63.065805
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2001RO32      Phys.Rev. C64, 061601 (2001)

G.V.Rogachev, J.J.Kolata, F.D.Becchetti, P.A.DeYoung, M.Hencheck, K.Helland, J.D.Hinnefeld, B.Hughey, P.L.Jolivette, L.M.Kiessel, H.-Y.Lee, M.Y.Lee, T.W.O'Donnell, G.F.Peaslee, D.Peterson, D.A.Roberts, P.Santi, S.A.Shaheen

Proton Elastic Scattering from 7Be at Low Energies

NUCLEAR REACTIONS 1H(7Be, 7Be), E < 25.5 MeV; measured back-angle recoil proton spectra, σ(θ). 7Be(p, p), E=1-3.3 MeV; deduced excitation function. 8B deduced levels, J, π. Predicted 1+ state in 8B not found, astrophysical implication discussed. Thick target technique.

doi: 10.1103/PhysRevC.64.061601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0877.


2001WA40      Phys.Rev. C64, 044611 (2001)

R.E.Warner, M.H.McKinnon, J.S.Needleman, N.C.Shaner, F.D.Becchetti, D.A.Roberts, A.Galonsky, R.M.Ronningen, M.Steiner, J.A.Brown, J.J.Kolata, A.Nadasen, K.Subotic

Total Reaction and Neutron-Removal Cross Sections of (30-60)A MeV Be Isotopes on Si and Pb

NUCLEAR REACTIONS Si(7Be, X), (9Be, X), (10Be, X), (11Be, X), (12Be, X), (14Be, X), Pb(10Be, X), (11Be, X), (12Be, X), E=30-60 MeV/nucleon; measured reaction σ, neutron-removal σ. 7,9,10,11,12,14Be deduced radii. Glauber model calculations.

doi: 10.1103/PhysRevC.64.044611
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1250.


2000GU05      Phys.Rev.Lett. 84, 1862 (2000)

V.Guimaraes, J.J.Kolata, D.Peterson, P.Santi, R.H.White-Stevens, S.M.Vincent, F.D.Becchetti, M.Y.Lee, T.W.O'Donnell, D.A.Roberts, J.A.Zimmerman

Nuclear and Coulomb Interaction in 8B Breakup at Sub-Coulomb Energies

NUCLEAR REACTIONS 58Ni(8B, p7Be), E=25.75 MeV; measured σ(θ); deduced continuum coupling effects. 8B deduced exotic proton halo structure. Several theoretical models considered.

doi: 10.1103/PhysRevLett.84.1862
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2000WA23      Phys.Rev. C62, 024608 (2000)

R.E.Warner, M.H.McKinnon, N.C.Shaner, F.D.Becchetti, A.Nadasen, D.A.Roberts, J.A.Brown, A.Galonsky, J.J.Kolata, R.M.Ronningen, M.Steiner, K.Subotic

Total Reaction and Neutron-Removal Cross Sections of (30-60)A MeV He and Li Isotopes on Pb

NUCLEAR REACTIONS Pb(α, X), (6He, X), (8He, X), (6Li, X), (7Li, X), (8Li, X), (9Li, X), (11Li, X), E=30-60 MeV/nucleon; measured total σ. Pb(11Li, 9Li), (6He, α), (8He, α), (8He, 6He), E=30-60 MeV/nucleon; measured neutron-removal σ; deduced role of electromagnetic dissociation. Microscopic model calculations. Secondary beams from 18O fragmentation.

doi: 10.1103/PhysRevC.62.024608
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1249.


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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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.


1998KO01      Phys.Rev. C57, R6 (1998)

J.J.Kolata, V.Guimaraes, D.Peterson, P.Santi, R.White-Stevens, J.von Schwarzenberg, J.D.Hinnefeld, E.F.Aguilera, E.Martinez-Quiroz, D.A.Roberts, F.D.Becchetti, M.Y.Lee, R.A.Kryger

6He + 209Bi Fusion-Fission Reaction

NUCLEAR REACTIONS 209Bi(6He, F), E≈32 MeV; measured fission σ; deduced no evidence for transfer fission contribution.

doi: 10.1103/PhysRevC.57.R6
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1998WA16      Nucl.Phys. A635, 292 (1998)

R.E.Warner, H.Thirumurthy, J.Woodroffe, F.D.Becchetti, J.A.Brown, B.S.Davids, A.Galonsky, J.J.Kolata, J.J.Kruse, M.Y.Lee, A.Nadasen, T.W.O'Donnell, D.A.Roberts, R.M.Ronningen, C.Samanta, P.Schwandt, J.von Schwarzenberg, M.Steiner, K.Subotic, J.Wang, J.A.Zimmerman

Reaction Cross Sections in Si of Light Proton-Halo Candidates 12N and 17Ne

NUCLEAR REACTIONS Si(12N, X), (15O, X), (17Ne, X), E=29-53 MeV/nucleon; measured total reaction σ, charge-removal σ; deduced dependence on proton separation energy. Radioactive beams, Glauber model, proton-halo nuclei.

doi: 10.1016/S0375-9474(98)00163-8
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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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1997YU01      Phys.Rev. C55, 1848 (1997)

M.Yuly, W.Fong, E.R.Kinney, C.J.Maher, J.L.Matthews, T.Soos, J.Vail, M.Y.Wang, S.A.Wood, P.A.M.Gram, G.A.Rebka, Jr., D.A.Roberts

Pion Double Charge Exchange and Inelastic Scattering on 3He

NUCLEAR REACTIONS 3He(π-, π+), (π-, π-), (π+, π+), E=120-240 MeV; measured σ(θ, E(π)), σ(θ); deduced sequential charge exchange mechanism. DWIA approach.

doi: 10.1103/PhysRevC.55.1848
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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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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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1995BA06      Nucl.Phys. A584, 315 (1995)

M.J.Balbes, M.M.Farrell, R.N.Boyd, X.Gu, M.Hencheck, J.D.Kalen, C.A.Mitchell, J.J.Kolata, K.Lamkin, R.Smith, R.Tighe, K.Ashktorab, F.D.Becchetti, J.Brown, D.Roberts, T.-F.Wang, D.Humphrey, G.Vourvopoulos, M.S.Islam

Cross Sections and Reaction Rates of d + 8Li Reactions Involved in Big Bang Nucleosynthesis

NUCLEAR REACTIONS 2H(8Li, 7Li), (8Li, 9Be), (8Li, 9Li), E=8-14 MeV; measured σ(E, θ); deduced reaction rates.

doi: 10.1016/0375-9474(94)00484-5
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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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1995DO06      Phys.Rev. C51, 1551 (1995)

M.L.Dowell, W.Fong, J.L.Matthews, H.Park, M.Wang, M.E.Yuly, E.R.Kinney, P.A.M.Gram, D.A.Roberts, G.A.Rebka, Jr.

Measurement of the 3H(π+,3He)π0 Differential Cross Section at T(π) = 142 MeV

NUCLEAR REACTIONS 3H(π+, π0), E=142 MeV; measured residual nucleus yield vs momentum, σ(θ); deduced ΔS=1 contribution evidence.

doi: 10.1103/PhysRevC.51.1551
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1995GU02      Phys.Lett. 343B, 31 (1995)

X.Gu, R.N.Boyd, M.M.Farrell, J.D.Kalen, C.A.Mitchell, J.J.Kolata, M.Belbot, K.Lamkin, K.Ashktorab, F.D.Becchetti, J.Brown, D.Roberts, K.Kimura, I.Tanihata, K.Yoshida, M.S.Islam

The 8Li(α, n)11B Reaction and Primordial Nucleosynthesis

NUCLEAR REACTIONS, ICPND 4He(8Li, n), E(cm)=0.64-2.2 MeV; measured σ(E), astrophysical factor vs E.

doi: 10.1016/0370-2693(94)01480-Z
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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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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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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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1994GU06      Phys.Rev.Lett. 72, 3000 (1994)

P.Gu, P.Haas, W.P.Hogan, S.K.Kim, J.N.Matthews, S.S.Myung, S.Schnetzer, G.B.Thomson, Y.Zou, K.Arisaka, D.Roberts, W.Slater, M.Weaver, R.A.Briere, E.Cheu, D.A.Harris, K.S.McFarland, A.Roodman, B.Schwingenheuer, S.V.Somalwar, Y.W.Wah, B.Winstein, R.Winston, A.R.Barker, E.C.Swallow, G.J.Bock, R.Coleman, M.Crisler, J.Enagonio, R.Ford, Y.B.Hsiung, D.A.Jensen, E.Ramberg, R.Tschirhart, E.M.Collins, G.D.Gollin, T.Nakaya, T.Yamanaka

Measurement of the Branching Ratio and a Study of CP for the Leptonic Decay K(L) → e+e-e+e-

doi: 10.1103/PhysRevLett.72.3000
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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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1994RA25      Phys.Lett. 338B, 403 (1994)

E.J.Ramberg, G.J.Bock, R.Coleman, M.Crisler, J.Enagonio, R.Ford, Y.B.Hsiung, D.A.Jensen, R.Tschirhart, K.Arisaka, D.Roberts, W.Slater, M.Weaver, R.A.Briere, E.Cheu, D.A.Harris, P.Krolak, G.Makoff, K.S.McFarland, A.Roodman, B.Schwingenheuer, S.Somalwar, Y.W.Wah, B.Winstein, R.Winston, A.R.Barker, E.C.Swallow, E.M.Collins, G.D.Gollin, T.Nakaya, T.Yamanaka, P.Gu, P.Haas, W.P.Hogan, S.Kim, J.N.Matthews, S.S.Myung, S.Schnetzer, G.Thomson, Y.Zou

Polarization of (Lambda) and (Lambda-bar) Produced by 800-GeV Protons

NUCLEAR REACTIONS 9Be(p, X), E=800 GeV; measured lambda, lambda-bar hyperon polarization; deduced no lambda-bar polarization evidence.

doi: 10.1016/0370-2693(94)91397-8
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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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1993BA57      Phys.Rev.Lett. 71, 3931 (1993)

M.J.Balbes, M.M.Farrell, R.N.Boyd, X.Gu, M.Hencheck, J.D.Kalen, C.A.Mitchell, J.J.Kolata, K.Lamkin, R.Smith, R.Tighe, K.Ashktorab, F.D.Becchetti, J.Brown, D.Roberts, T.-F.Wang, D.Humphrey, G.Vourvopoulos, M.S.Islam

2H Induced Reactions on 8Li and Primordial Nucleosynthesis

NUCLEAR REACTIONS, ICPND 2H(8Li, 7Li), (8Li, 8Be), E(cm)=2.4 MeV; 8Li(d, t), (d, n), E(cm)=1.5-2.75 MeV; measured σ(E); deduced primordial nucleosynthesis yields.

doi: 10.1103/PhysRevLett.71.3931
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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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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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1992WO12      Phys.Rev. C46, 1903 (1992)

S.A.Wood, J.L.Matthews, E.R.Kinney, P.A.M.Gram, G.A.Rebka, Jr., D.A.Roberts

Systematics of Inclusive Pion Double Charge Exchange in the Delta Resonance Region

NUCLEAR REACTIONS 16O, 40Ca, 103Rh, 208Pb(π+, π-X), (π-, π+X), E=120-270 MeV; measured σ(θ, E(π)); deduced reaction σ, systematics. Model comparison.

doi: 10.1103/PhysRevC.46.1903
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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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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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1990RO14      Phys.Rev. C42, R1809 (1990)

D.A.Roberts, F.D.Becchetti, E.Ben-Jacob, P.Garik, J.Musser, B.Orr, G.Tarle, A.Tomasch, J.S.Holder, D.Redina, B.Heuser, G.Wicker

Energy and Flux Limits of Cold-Fusion Neutrons using a Deuterated Liquid Scintillator

NUCLEAR REACTIONS 2H(d, d), E=low; measured neutron spectra; deduced fusion upper limit. Deuterated liquid scintillator detectors, annealed Pd wire, Pd casting samples, n/γ discriminations.

doi: 10.1103/PhysRevC.42.R1809
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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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1989GR06      Phys.Rev.Lett. 62, 1837 (1989)

P.A.M.Gram, S.A.Wood, E.R.Kinney, S.Hoibraten, P.Mansky, J.L.Matthews, T.Soos, G.A.Rebka, Jr., D.A.Roberts

Dependence of the Cross Section for Inclusive Pion Double Charge Exchange on Nuclear Mass and Charge

NUCLEAR REACTIONS 4He, 6,7Li, 9Be, 12C, 16O, 40Ca, 103Rh, 208Pb(π+, π-), (π-, π+), E=180, 240 MeV; measured total reaction σ. Phenomenological model.

doi: 10.1103/PhysRevLett.62.1837
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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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1986KI20      Phys.Rev.Lett. 57, 3152 (1986)

E.R.Kinney, J.L.Matthews, P.A.M.Gram, D.W.MacArthur, E.Piasetzky, G.A.Rebka, Jr., D.A.Roberts

Inclusive Pion Double Charge Exchange in 4He

NUCLEAR REACTIONS 4He(π+, π-), (π-, π+), E=120, 150, 180, 240, 270 MeV; measured σ(E(π), θ(π)); deduced reaction mechanism. Liquid helium target, double focusing spectrometer.

doi: 10.1103/PhysRevLett.57.3152
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1986LI01      Phys.Rev. C33, 655 (1986)

J.Lichtenstadt, D.Ashery, S.A.Wood, E.Piasetzky, P.A.M.Gram, D.W.MacArthur, R.S.Bhalerao, L.C.Liu, G.A.Rebka, Jr., D.Roberts

Pion-Induced Pion Production on the Deuteron

NUCLEAR REACTIONS 2H(π+, π+π-p), (π-, π-π+n), E=256, 331, 450 MeV; measured σ(θ(π+)), σ(θ(π), E(π)); deduced pion induced pion production mechanism.

doi: 10.1103/PhysRevC.33.655
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1985LE05      Phys.Rev.Lett. 54, 1482 (1985)

M.J.Leitch, E.Piasetzky, H.W.Baer, J.D.Bowman, R.L.Burman, B.J.Dropesky, P.A.M.Gram, F.Irom, D.Roberts, G.A.Rebka, Jr., J.N.Knudson, J.R.Comfort, V.A.Pinnick, D.H.Wright, S.A.Wood

Double Analog Transition 14C(π+, π-)14O at 50 MeV

NUCLEAR REACTIONS 14C(π+, π-), E=50 MeV; measured σ(θ, E(π)), missing mass spectra, pion yields, σ(θ); deduced σ. 14O deduced double IAS excitation dominance. Sequential optical model, six quark bag model analyses.

doi: 10.1103/PhysRevLett.54.1482
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1976BO02      Phys.Rev. C13, 68 (1976)

D.I.Bonbright, S.A.Elbakr, A.Houdayer, C.A.Miller, D.J.Roberts, E.S.Y.Tin, W.T.H.van Oers, J.W.Watson

(p, 2p) and (p, pd) Reactions on 3H at 45.6 MeV

NUCLEAR REACTIONS 3H(p, 2p)(p, pd), E=45.6 MeV; 3He(p, 2p), (p, pn), E=45 MeV; measured σ(θ) in coplanar geometry; deduced momentum distributions using PWIA; investigated 4-body continua.

doi: 10.1103/PhysRevC.13.68
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1954BO97      Proc.Roy.Soc.Canada 48, App.C, 29A (1954)

N.E.Booth, D.T.Roberts

The Gamma Rays from Copper 67 and Nickel 66


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Note: The following list of authors and aliases matches the search parameter D.Roberts: , D.A.ROBERTS, D.J.ROBERTS, D.T.ROBERTS