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NSR database version of March 2, 2024.

Search: Author = J.J.Kolata

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2023OM01      Nucl.Instrum.Methods Phys.Res. A1047, 167784 (2023)

P.D.O'Malley, T.Ahn, D.W.Bardayan, M.Brodeur, S.Coil, J.J.Kolata

TriSol: A major upgrade of the TwinSol RNB facility

doi: 10.1016/j.nima.2022.167784
Citations: PlumX Metrics


2022LO14      Phys.Rev. C 106, 045501 (2022)

J.Long, C.R.Nicoloff, D.W.Bardayan, F.D.Becchetti, D.Blankstein, C.Boomershine, D.P.Burdette, M.A.Caprio, L.Caves, P.J.Fasano, B.Frentz, S.L.Henderson, J.M.Kelly, J.J.Kolata, B.Liu, P.D.O'Malley, S.Y.Strauss, R.Zite, M.Brodeur

Precision half-life determination for the β+ emitter 13N

RADIOACTIVITY 13N(β+)[from 2H(12C, n), E=34 MeV]; measured β+; deduced T1/2, ft value. Comparison to previous experimental results; calculated B(GT). Calculations using ab initio no-core configuration interaction (NCCI) with the Daejeon16 interaction. TwinSol twin-solenoid facility at NSL coupled to NSL β-counting station (University of Notre Dame).

doi: 10.1103/PhysRevC.106.045501
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020BU02      Phys.Rev. C 101, 055504 (2020)

D.P.Burdette, M.Brodeur, D.W.Bardayan, F.D.Becchetti, D.Blankstein, C.Boomershine, L.Caves, S.L.Henderson, J.J.Kolata, B.Liu, J.Long, P.D.O'Malley, S.Y.Strauss

Precise half-life determination of the mixed-mirror β-decaying 15O

RADIOACTIVITY 15O(β+)[from 2H(14N, n), E=39 MeV]; measured Eβ, Iβ, T1/2 of 15O decay using a plastic scintillator at the β-Counting Station of the Nuclear Science Laboratory of University Notre Dame. Comparison with previous experimental results. Relevance to future determinations of Cabibbo-Kobayashi-Maskawa (CKM) matrix Vud for superallowed mirror transitions of 1/2 isospin.

NUCLEAR REACTIONS 2H(14N, n)1H/4He/6Li/12C/13C/14N/15N/15O, E=39 MeV; measured reaction products, particle identification plot.

doi: 10.1103/PhysRevC.101.055504
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020LO01      Phys.Rev. C 101, 015501 (2020)

J.Long, M.Brodeur, M.Baines, D.W.Bardayan, F.D.Becchetti, D.Blankstein, C.Boomershine, D.P.Burdette, A.M.Clark, B.Frentz, S.L.Henderson, J.M.Kelly, J.J.Kolata, B.Liu, K.T.Macon, P.D.O'Malley, A.Pardo, C.Seymour, S.Y.Strauss, B.Vande Kolk

Precision half-life measurement of 29P

RADIOACTIVITY 29P(β+)[from 2H(28Si, X), E=9 MeV, followed by separation of 29P using the TwinSol facility at the FN tandem accelerator of the University of Notre Dame, and implantation of 29P beam in the NSL β-decay counting station]; measured β spectra, precise half-life of the decay of 29P; deduced ft value for the β transition to the ground state of 29Si, Cabibbo-Kobayashi-Maskawa matrix element Vud, Fermi to Gamow-Teller mixing ratio; evaluated half-life using present and previous experimental values. Discussed in detail corrections and uncertainties. Comparison with previous half-life measurements.

doi: 10.1103/PhysRevC.101.015501
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020PA31      Phys.Rev. C 102, 031601 (2020)

A.Pakou, L.Acosta, P.D.O'Malley, S.Aguilar, E.F.Aguilera, M.Baines, D.Bardayan, F.D.Becchetti, Ch.Boomershine, M.Brodeur, F.Cappuzzello, S.Carmichael, L.Caves, E.Chavez, C.Flores-Vazquez, A.Gula, J.J.Kolata, B.Liu, D.J.Marin-Lambarri, F.F.Morales, K.Rusek, A.M.Sanchez-Benitez, O.Sgouros, V.R.Sharma, V.Soukeras, G.Souliotis

Dominance of direct reaction channels at deep sub-barrier energies for weakly bound nuclei on heavy targets: The case 8B + 208Pb

NUCLEAR REACTIONS 208Pb(8B, 7Be), E=30 MeV, [secondary 8B beam from 3He(6Li, X)7Li/7Be/8B reaction using TwinSol facility at the University of Notre Dame FM tandem accelerator]; measured reaction products and elastically scattered particles, differential σ(θ) using Si telescopes, time-of-flight ΔE-E spectra; deduced direct to total reaction cross section, and compared with previous experimental σ ratios for 209Bi+6He, 58Ni+8B, and 28Si+7Be reactions, breakup cross section for the 208Pb+8B system at deep sub-barrier energies. Comparison with CDCC calculations, with Coulomb plus nuclear potentials, and Coulomb potentials only.

doi: 10.1103/PhysRevC.102.031601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2581.


2020RA24      Phys.Rev.Lett. 125, 202701 (2020)

J.S.Randhawa, Y.Ayyad, W.Mittig, Z.Meisel, T.Ahn, S.Aguilar, H.Alvarez-Pol, D.W.Bardayan, D.Bazin, S.Beceiro Novo, D.Blankstein, L.Carpenter, M.Cortesi, D.Cortina-Gil, P.Gastis, M.Hall, S.Henderson, J.J.Kolata, T.Mijatovic, F.Ndayisabye, P.O'Malley, J.Pereira, A.Pierre, H.Robert, C.Santamaria, H.Schatz, J.Smith, N.Watwood, J.C.Zamora

First Direct Measurement of 22Mg(α, p)25Al and Implications for X-Ray Burst Model-Observation Comparisons

NUCLEAR REACTIONS 4He(22Mg, p), E ∼ 5 MeV/nucleon; measured reaction products, Ep, Ip; deduced σ, reaction rates. Comparison with Non-Smoker calculations, available data.

doi: 10.1103/PhysRevLett.125.202701
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2584.


2020TA08      Phys.Rev.Lett. 124, 192702 (2020)

W.P.Tan, A.Boeltzig, C.Dulal, R.J.deBoer, B.Frentz, S.Henderson, K.B.Howard, R.Kelmar, J.J.Kolata, J.Long, K.T.Macon, S.Moylan, G.F.Peaslee, M.Renaud, C.Seymour, G.Seymour, B.Vande Kolk, M.Wiescher, E.F.Aguilera, P.Amador-Valenzuela, D.Lizcano, E.Martinez-Quiroz

New Measurement of 12C+12C Fusion Reaction at Astrophysical Energies

NUCLEAR REACTIONS 12C(12C, X), E(cm)=2.2-5.0 MeV; measured reaction products, Eγ, Iγ; deduced σ, S-factor. Comparison with available data.

doi: 10.1103/PhysRevLett.124.192702
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2574.


2019BU01      Phys.Rev. C 99, 015501 (2019)

D.P.Burdette, M.Brodeur, T.Ahn, J.Allen, D.W.Bardayan, F.D.Becchetti, D.Blankstein, G.Brown, B.Frentz, M.R.Hall, S.King, J.J.Kolata, J.Long, K.T.Macon, A.Nelson, P.D.O'Malley, C.Seymour, M.Skulski, S.Y.Strauss, A.A.Valverde

Resolving the discrepancy in the half-life of 20F

RADIOACTIVITY 20F(β-)[from 2H(19F, p), E=46.0 MeV followed by separation of the radioactive beam using TwinSol]; measured T1/2 of 20F g.s. from β-decay curves using plastic scintillator for β- detection at the University of Notre Dame Nuclear Science Laboratory; deduced recommended average half-life by considering a selection from compiled previous experimental values.

doi: 10.1103/PhysRevC.99.015501
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Data from this article have been entered in the XUNDL database. For more information, click here.


2019GU26      Phys.Rev. C 100, 034603 (2019)

V.Guimaraes, E.N.Cardozo, V.B.Scarduelli, J.Lubian, J.J.Kolata, P.D.O'Malley, D.W.Bardayan, E.F.Aguilera, E.Martinez-Quiroz, D.Lizcano, A.Garcia-Flores, M.Febbraro, C.C.Lawrence, J.Riggins, R.O.Torres-Isea, P.N.de Faria, D.S.Monteiro, E.S.Rossi, N.N.Deshmukh

Strong coupling effect in the elastic scattering of the 10C + 58Ni system near barrier

NUCLEAR REACTIONS 58Ni(10C, 10C), (10C, 10C'), (10C, X)4He/7Li/7Be/10B/10C/12N, E=35.3 MeV, [secondary 10C beam from 3He(10B, 10C), E=54.0 MeV primary reaction at the Nuclear Science Laboratory of Notre Dame]; measured reaction products, particle identification spectrum, scattered 10C particles using three ΔE-E telescopes with silicon planar detectors, σ(θ); deduced differential σ; the results analyzed via coupled-channels, coupled-reaction-channels, and continuum-discretized coupled-channels (CDCC) calculations, with the consideration of 9B+p and 6Be+α channels as cluster configurations for the 10C projectile in CDCC approach. The 2+ inelastic transition in 10C in the projectile shown to be of crucial importance in describing the cross section data.

doi: 10.1103/PhysRevC.100.034603
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2409.


2019HE11      Phys.Rev. C 99, 064320 (2019)

S.L.Henderson, T.Ahn, M.A.Caprio, P.J.Fasano, A.Simon, W.Tan, P.O'Malley, J.Allen, D.W.Bardayan, D.Blankstein, B.Frentz, M.R.Hall, J.J.Kolata, A.E.McCoy, S.Moylan, C.S.Reingold, S.Y.Strauss, R.O.Torres-Isea

First measurement of the B(E2; 3/2- → 1/2-) transition strength in 7Be: Testing ab initio predictions for A = 7 nuclei

NUCLEAR REACTIONS 197Au(7Be, 7Be'), E=31.3 MeV, [secondary 7Be beam from 2H(6Li, n), E=34.0 MeV primary reaction]; measured reaction products, particle spectra, Eγ, Iγ, (particle)γ-coin using silicon detector for charged particle detection and HPGe detectors for γ detection at the University of Notre Dame FN Tandem Van de Graaff accelerator facility. 7Be; deduced levels, J, π, Coulomb excitation cross section, B(E2) for 3/2- to 1/2- (g.s. to the first excited state) transition. Comparison with ab initio no-core shell model (NCSM) calculations.

doi: 10.1103/PhysRevC.99.064320
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Data from this article have been entered in the XUNDL database. For more information, click here.


2018GU23      Eur.Phys.J. A 54, 223 (2018)

V.Guimaraes, J.Lubian, J.J.Kolata, E.F.Aguilera, M.Assuncao, V.Morcelle

Phenomenological critical interaction distance from elastic scattering measurements on a 208Pb target

NUCLEAR REACTIONS 208Pb(9Li, 9Li), (10Be, 10Be), (12C, 12C), (16O, 16O), (19F, 19F), (6Li, 6Li), (7Li, 7Li), (8Li, 8Li), (8He, 8He), (9Be, 9Be), (6He, 6He), (11Li, 11Li), E≈Coulomb barrier; measured reaction products; deduced interaction distance, critical interaction, strong-absorption distances, deduced σ relative to the Rutherford value vs reduced distance of closest approach for 12C and 16O projectiles at energies 58.9 to 84.0 MeV; compared with published data; deduced critical interaction distance, binding energy, other parameters for several target-projectile combinations; compared with other published analyses.

doi: 10.1140/epja/i2018-12662-7
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2018VA04      Phys.Rev. C 97, 035503 (2018)

A.A.Valverde, M.Brodeur, T.Ahn, J.Allen, D.W.Bardayan, F.D.Becchetti, D.Blankstein, G.Brown, D.P.Burdette, B.Frentz, G.Gilardy, M.R.Hall, S.King, J.J.Kolata, J.Long, K.T.Macon, A.Nelson, P.D.O'Malley, M.Skulski, S.Y.Strauss, B.Vande Kolk

Precision half-life measurement of 11C: The most precise mirror transition Ft value

RADIOACTIVITY 11C(β+), (EC)[from 2H(10B, n), E=32.5 MeV at the Nuclear Science Laboratory of University of Notre Dame, followed by mass separation of 11C ions by TwinSol mass separator and implanted in a thick tantalum foil in NSL β-counting station]; measured Eβ, Iβ, half-life of 11C decay; deduced Ftmirror, Gamow-Teller-to-Fermi mixing ratio ρ, β asymmetry parameter Ab, β-neutrino angular correlation parameter aβν, neutrino asymmetry parameter Bn. Comparison with literature values.

NUCLEAR REACTIONS 2H(10B, n)4He/9Be/10B/11C, E=32.5 MeV; measured yields for ions using TwinSol mass separator at University of Notre Dame.

doi: 10.1103/PhysRevC.97.035503
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Data from this article have been entered in the XUNDL database. For more information, click here.


2017AG09      Phys.Rev. C 96, 024616 (2017)

E.F.Aguilera, E.Martinez-Quiroz, P.Amador-Valenzuela, D.Lizcano, A.Garcia-Flores, J.J.Kolata, A.Roberts, G.V.Rogachev, G.F.Peaslee, V.Guimaraes, F.D.Becchetti, A.Villano, M.Ojaruega, Y.Chen, H.Jiang, M.Febbraro, P.A.DeYoung, T.L.Belyaeva

Sub-barrier fusion of weakly bound 6Li with 58Ni

NUCLEAR REACTIONS 58Ni(6Li, X), E=10.8, 11.5, 12.7, 13.2, 13.7, 14.4 MeV, [secondary pure 6Li beam from 3He(6Li, 6Li), E=31-38 MeV reaction]; measured σ(θ, E) for evaporated protons at the University of Notre Dame FN tandem accelerator facility; deduced proton multiplicities, fusion σ(E) and total reaction σ(E). Proton angular distributions compared with statistical model calculations using PACE2 code. Comparison of fusion σ(E) data with previous experimental data for this reaction and for the 6Li+59Co, 6Li+64Zn, and 6Li+64Ni systems. Comparison with theoretical calculations using one-dimensional barrier penetration model (BPM) and coupled-channel (CC) method using optical model potentials.

doi: 10.1103/PhysRevC.96.024616
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2271.


2017FE07      Phys.Rev. C 96, 024613 (2017)

M.Febbraro, F.D.Becchetti, R.O.Torres-Isea, J.Riggins, C.C.Lawrence, J.J.Kolata, A.M.Howard

(d, n) proton-transfer reactions on 9Be, 11B, 13C, 14, 15N, and 19F and spectroscopic factors at Ed = 16 MeV

NUCLEAR REACTIONS 9Be, 11B, 13C, 14,15N, 19F(d, n), E=16 MeV; measured neutron spectra, time-of-flight spectra, σ(θ) using deuterated liquid-scintillator array (UM-DSA) at the Tandem accelerator facility of University of Notre Dame. Solid and gaseous targets. Finite-range distorted-wave Born approximation (FR-DWBA) analysis with common bound-state, global, and local optical-model parameter sets. 10B, 12C, 14N, 15,16O, 20Ne; deduced levels, L-transfer, J, π, configuration, spectroscopic factors. Comparison with previous measurements and theoretical calculations.

doi: 10.1103/PhysRevC.96.024613
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2272. Data from this article have been entered in the XUNDL database. For more information, click here.


2017LO09      Phys.Rev. C 96, 015502 (2017)

J.Long, T.Ahn, J.Allen, D.W.Bardayan, F.D.Becchetti, D.Blankstein, M.Brodeur, D.Burdette, B.Frentz, M.R.Hall, J.M.Kelly, J.J.Kolata, P.D.O'Malley, B.E.Schultz, S.Y.Strauss, A.A.Valverde

Precision half-life measurement of 25Al

RADIOACTIVITY 25Al(EC), (β+)[from 2H(24Mg, n) at the NSL tandem accelerator facility of the University of Notre Dame]; measured Eβ, Iβ, half-life of 25Al decay; deduced world-averaged half-life, Fermi to Gamow-Teller mixing ratio ρ and correlation parameters, and values for various parameters of relevance for determining the Vud term from the 25Al mirror transition. Comparison with previous measurements.

doi: 10.1103/PhysRevC.96.015502
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Data from this article have been entered in the XUNDL database. For more information, click here.


2017MO04      Phys.Rev. C 95, 014615 (2017)

V.Morcelle, R.Lichtenthaler, A.Lepine-Szily, V.Guimaraes, K.C.C.Pires, J.Lubian, D.R.Mendes, Jr, P.N.de Faria, J.J.Kolata, F.D.Becchetti, H.Jiang, E.F.Aguilera, D.Lizcano, E.Martinez-Quiroz, H.Garcia

8B + 27Al scattering at low energies

NUCLEAR REACTIONS 27Al(8B, 8B), (8B, X), E=15.3, 21.7 MeV, [8B secondary beam from 3He(6Li, X), E=26.5, 32.5 MeV primary reaction]; measured scattered particle spectra, σ(θ, E) at Radioactive Ion Beams in Brasil facility (RIBRAS), and at TwinSol facility at the University of Notre Dame; deduced total reaction cross sections and compared with reduced cross sections for 7,9Be, 6,7Li, 6He and 16O projectiles on 27Al target, effect of breakup plus transfer channels on the total reaction cross sections. Optical model analysis using standard double-folding Sao Paulo potential and Woods-Saxon shape, and continuum discretized coupled channels (CDCC) calculations.

doi: 10.1103/PhysRevC.95.014615
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0835.


2016AG04      Phys.Rev. C 93, 034613 (2016)

E.F.Aguilera, P.Amador-Valenzuela, E.Martinez-Quiroz, J.Fernandez-Arnaiz, J.J.Kolata, V.Guimaraes

Above-barrier fusion enhancement of proton-halo systems

NUCLEAR REACTIONS 58Ni(8B, X), E(cm)=18.9-25.6 MeV; 28Si(8B, X), E(cm)=15.6-27.2 MeV; analyzed and reviewed previous experimental data for fusion σ(E), inclusive and evaporation σ(E), proton yields, α-particle σ(E), α-particle multiplicities, reduced fusion σ(E), proton σ(θ) data for E(8B(cm))=23.7 MeV and 58Ni target using PACE2, LILITA, and CASCADE codes. Complete and incomplete fusion processes. Investigated possible model dependencies. Discussed behavior of neutron-halo systems.

doi: 10.1103/PhysRevC.93.034613
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2016BR01      Phys.Rev. C 93, 025503 (2016)

M.Brodeur, C.Nicoloff, T.Ahn, J.Allen, D.W.Bardayan, F.D.Becchetti, Y.K.Gupta, M.R.Hall, O.Hall, J.Hu, J.M.Kelly, J.J.Kolata, J.Long, P.O'Malley, B.E.Schultz

Precision half-life measurement of 17F

RADIOACTIVITY 17F(β+)[from 2H(16O, X), E not given]; measured β radiation, half-life of 17F decay at the University of Notre Dame β-decay counting station; deduced mixing ratio ρ for the mixed transition between mirror nuclei and the correlation parameters based on Standard Model validity. Discussed uncertainty estimates. Comparison with previous experimental measurements.

NUCLEAR REACTIONS 2H(16O, X)12C/13C/14N/15O/16O/17O/17F, E not given; measured yields of reaction products at Notre Dame TwinSol facility.

doi: 10.1103/PhysRevC.93.025503
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Data from this article have been entered in the XUNDL database. For more information, click here.


2016FR01      Phys.Rev. C 93, 014321 (2016)

A.Fritsch, S.Beceiro Novo, D.Suzuki, W.Mittig, J.J.Kolata, T.Ahn, D.Bazin, F.D.Becchetti, B.Bucher, Z.Chajecki, X.Fang, M.Febbraro, A.M.Howard, Y.Kanada-En'yo, W.G.Lynch, A.J.Mitchell, M.Ojaruega, A.M.Rogers, A.Shore, T.Suhara, X.D.Tang, R.Torres-Isea, H.Wang

One-dimensionality in atomic nuclei: A candidate for linear-chain α clustering in 14C

NUCLEAR REACTIONS 4He(10Be, α), E=39.7 MeV, [secondary 10Be beam from 13C(11B, 10B), E=46 MeV primary reaction]; measured particle spectra, differential cross sections for elastic and inelastic scattering, angular distributions using the prototype active target-time projection chamber (PAT-TPC) at Notre Dame TwinSol facility. 14C; deduced levels, α-resonances, J, π, band, α-widths, L-transfers, spectroscopic factors. R-matrix analysis. Comparison with predictions of antisymmetrized molecular dynamics (AMD) theory, and evidence for a 3α-linear chain structure in 14C.

doi: 10.1103/PhysRevC.93.014321
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Data from this article have been entered in the XUNDL database. For more information, click here.


2016GU09      Phys.Rev. C 93, 064607 (2016)

V.Guimaraes, J.J.Kolata, E.F.Aguilera, A.Howard, A.Roberts, F.D.Becchetti, R.O.Torres-Isea, A.Riggins, M.Febrarro, V.Scarduelli, P.N.de Faria, D.S.Monteiro, J.F.P.Huiza, A.Arazi, J.Hinnefeld, A.M.Moro, E.S.Rossi, V.Morcelle, A.Barioni, AlanJ.Mitchell

Backscattering measurement of 6He on 209Bi: Critical interaction distance

NUCLEAR REACTIONS 209Bi(6He, 6He), E=12, 14, 16 MeV, [secondary 6He beam from 2H(7Li, 6He), E=32 MeV]; measured 6He spectra using silicon ΔE-E telescope, σ(θ, E) at the TwinSol facility of Notre Dame Nuclear Structure Laboratory; deduced ratio of elastic to Rutherford cross sections. Comparison with a three-body CDCC calculation, and with experimental data for 209Bi(α, α), (6Li, 6Li), (9Be, 9Be), (12C, 12C), (16O, 16O), and 208Pb(6He, 6He) reactions.

doi: 10.1103/PhysRevC.93.064607
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2016KO23      Eur.Phys.J. A 52, 123 (2016)

J.J.Kolata, V.Guimaraes, E.F.Aguilera

Elastic scattering, fusion, and breakup of light exotic nuclei

doi: 10.1140/epja/i2016-16123-1
Citations: PlumX Metrics


2014MA49      Phys.Rev. C 90, 014616 (2014)

E.Martinez-Quiroz, E.F.Aguilera, D.Lizcano, P.Amador-Valenzuela, H.Garcia-Martinez, J.J.Kolata, A.Roberts, L.O.Lamm, G.Rogachev, V.Guimaraes, F.D.Becchetti, A.Villano, M.Ojaruega, M.Febbraro, Y.Chen, H.Jiang, P.A.DeYoung, G.F.Peaslee

Near- and sub-barrier fusion of the 7Be + 58Ni system

NUCLEAR REACTIONS 58Ni(7Be, X), E=16.4, 17.5, 19.4, 20.1, 20.9, 21.9 MeV; measured evaporated proton spectra, σ(E) for protons at Notre Dame TwinSol Radioactive Nuclear Beam facility and FM tandem accelerator; deduced total fusion σ(E) using proton multiplicities. Comparison with predictions of Wong's one-dimensional barrier-penetration model (BPM), and optical model potential (OMP). Comparison with previous experimental results for fusion σ(E) in 27Al(7Be, X), and fission σ(E) in 238U(7Be, F).

doi: 10.1103/PhysRevC.90.014616
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2129.


2014MO07      Phys.Rev. C 89, 044611 (2014)

V.Morcelle, R.Lichtenthaler, R.Linares, M.C.Morais, V.Guimaraes, A.Lepine-Szily, P.R.S.Gomes, J.Lubian, D.R.Mendes, Jr., P.N.De Faria, A.Barioni, L.R.Gasques, J.M.B.Shorto, K.C.C.Pires, J.C.Zamora, R.P.Condori, V.Scarduelli, J.J.Kolata, H.Amro, F.D.Becchetti, H.Jiang, E.F.Aguilera, D.Lizcano, E.Martinez-Quiroz, H.Garcia

Elastic scattering and total reaction cross section for the 7Be + 27Al system at near-barrier energies

NUCLEAR REACTIONS 27Al(7Be, 7Be), [secondary 7Be produced in 3He(6Li, 7Be) primary reaction], E=10.0, 13.8, 15.2, 15.4 MeV; measured particle spectra, elastic σ(E, θ) using RIBRAS system at Sao Paulo, and TwinSol at NSL-Notre Dame facilities; deduced mean radii of sensitivity, energy dependence of the interacting optical potential, total reaction σ(E). Optical model analysis using the double-folding Sao Paulo and phenomenological Woods-Saxon and Sao Paulo potentials. Analysis of data obtained for 27Al, 197Au(8B, 8B) reactions in progress.

doi: 10.1103/PhysRevC.89.044611
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2139.


2013AG01      Phys.Rev. C 87, 014613 (2013)

E.F.Aguilera, E.Martinez-Quiroz, R.Chavez-Gonzalez, P.Amador-Valenzuela, D.Lizcano, A.Gomez-Camacho, J.J.Kolata, L.O.Lamm, A.Roberts, T.Spencer, F.D.Becchetti, H.Jiang, M.Ojaruega, P.A.DeYoung, G.F.Peaslee, J.Brown

Near-barrier fusion and total reaction of a proton-rich projectile: 3He+58Ni

NUCLEAR REACTIONS 58Ni(3He, X), (3He, 3He), E=10.2, 11.5, 12.7 MeV; measured proton and 3He spectra, σ(θ) at Notre Dame TwinSol facility; deduced integrated proton production σ, reduced fusion σ. Comparison with 58Ni+8Be and 58Ni+16O systems, and with PACE calculations.

doi: 10.1103/PhysRevC.87.014613
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1976.


2013KO17      Phys.Rev. C 87, 064612 (2013)

Z.Kohley, J.F.Liang, D.Shapira, C.J.Gross, R.L.Varner, J.M.Allmond, J.J.Kolata, P.E.Mueller, A.Roberts

Sub-barrier fusion enhancement with radioactive 134Te

NUCLEAR REACTIONS 40Ca(134Te, X), [134Te secondary beam from U(p, X) primary reaction], E=535-619 MeV; measured evaporation residue spectra using CSSER system at HRIBF facility, σ(E), time-of-flight, ΔE1-ΔE2 contour plots. Comparison with statistical model using PACE2 computer code. Comparison of σ(E) with those in 40Ca+132Te, 48Ca+132Te, 40Ca+124Te, 48Ca+124Te, 64Ni+130Te, 58Ni+130Te reactions. Positive Q-value neutron transfer (PQNT) channels. Coupled-channel analyses.

doi: 10.1103/PhysRevC.87.064612
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2039.


2013RO10      Phys.Rev. C 87, 051305 (2013)

A.Roberts, A.M.Howard, J.J.Kolata, A.N.Villano, F.D.Becchetti, P.A.DeYoung, M.Febbraro, S.J.Freeman, B.P.Kay, S.A.McAllister, A.J.Mitchell, J.P.Schiffer, J.S.Thomas, R.O.Torres-Isea

Proton pair correlations and the neutrinoless double-β decay of 76Ge

NUCLEAR REACTIONS 74,76Ge(3He, n), E=16 MeV; measured E(n), I(n), time-of-flight, σ(θ) for g.s. and first 2+ state using the Neutron Wall at Notre Dame. 76,78Se; deduced levels, proton pair correlations. DWBA analysis. Comparison with quasiparticle random phase approximation (QRPA) model calculations. Relevance to matrix elements for 0νββ decay of 76Ge. Systematics of ground-state cross sections on fpg-shell nuclei of A=60-90, and comparison with theoretical models. No evidence for the breaking of the BCS approximation for paired protons.

doi: 10.1103/PhysRevC.87.051305
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2013SC25      Phys.Rev. C 88, 064612 (2013)

K.T.Schmitt, K.L.Jones, S.Ahn, D.W.Bardayan, A.Bey, J.C.Blackmon, S.M.Brown, K.Y.Chae, K.A.Chipps, J.A.Cizewski, K.I.Hahn, J.J.Kolata, R.L.Kozub, J.F.Liang, C.Matei, M.Matos, D.Matyas, B.Moazen, C.D.Nesaraja, F.M.Nunes, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, A.Roberts, D.Shapira, J.F.Shriner, M.S.Smith, I.Spassova, D.W.Stracener, N.J.Upadhyay, A.N.Villano, G.L.Wilson

Reactions of a 10Be beam on proton and deuteron targets

NUCLEAR REACTIONS 2H(10Be, p), (10Be, d), 1H(10Be, p), E=60, 75, 90, 107 MeV; measured Ep, Ip, E(d), I(d), elastic and inelastic σ(θ, E) using SIDAR, ORRUBA, and SuperORRUBA arrays of particle detectors at HRIBF-ORNL facility. 11Be; deduced levels, and spectroscopic factors for halo nucleus. Finite-range adiabatic wave approximation (FR-ADWA) analysis.

doi: 10.1103/PhysRevC.88.064612
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2013SU10      Phys.Rev. C 87, 054301 (2013)

D.Suzuki, A.Shore, W.Mittig, J.J.Kolata, D.Bazin, M.Ford, T.Ahn, F.D.Becchetti, S.Beceiro Novo, D.Ben Ali, B.Bucher, J.Browne, X.Fang, M.Febbraro, A.Fritsch, E.Galyaev, A.M.Howard, N.Keeley, W.G.Lynch, M.Ojaruega, A.L.Roberts, X.D.Tang

Resonant α scattering of 6He: Limits of clustering in 10Be

NUCLEAR REACTIONS 4He(6He, 6He), (6He, 6He'), (6He, 2n)8Be, [secondary 6He beam from 7Li(d, 3He), E=29.2 MeV primary reaction], E=15 MeV; measured reactions products, 6He spectra, elastic and inelastic σ(E, θ) using PAT-TPC system at Notre Dame TwinSol facility. 4,6He, 8Be; deduced levels, cross sections for g.s. and first 2+ states. 10Be; deduced level, resonance, J, π, α width. Discussed α clustering in high-spin states. Comparison with antisymmetric molecular dynamics calculations.

doi: 10.1103/PhysRevC.87.054301
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2027. Data from this article have been entered in the XUNDL database. For more information, click here.


2012AG02      Phys.Rev. C 85, 014603 (2012)

E.F.Aguilera, J.J.Kolata

Angular momentum limit for fusion of halo and weakly bound systems

NUCLEAR REACTIONS 58Ni(8B, X), E(cm)=18-26 MeV; 64Zn(6He, X), E(cm)=6-17 MeV; 64Zn(7Li, X), E(cm)=18-40 MeV; 64Zn(6Li, X), E(cm)=14-40 MeV; 59Co(6Li, X), (7Li, X)E(cm)=10-28 MeV; 209Bi(6He, X), E(cm)=14-30 MeV; calculated fusion cross section, total reaction cross section, angular momentum parameter Lf. Fusion of the proton-halo system and weakly bound systems. Wong barrier model. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.014603
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2012KO18      Phys.Rev. C 85, 054603 (2012)

J.J.Kolata, A.Roberts, A.M.Howard, D.Shapira, J.F.Liang, C.J.Gross, R.L.Varner, Z.Kohley, A.N.Villano, H.Amro, W.Loveland, E.Chavez

Fusion of 124, 132Sn with 40, 48Ca

NUCLEAR REACTIONS 40,48Ca(124Sn, X), (132Sn, X), E(cm)=105-165 MeV; measured evaporation residue spectra, fusion σ(E); deduced reduced fusion σ(E), fusion barriers. Inverse kinematics. Wong model and PACE2 fits. Comparison with time-dependent Hartree-Fock (TDHF) and coupled-channels Born approximation (CCBA) calculations.

doi: 10.1103/PhysRevC.85.054603
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1922.


2012SC08      Phys.Rev.Lett. 108, 192701 (2012)

K.T.Schmitt, K.L.Jones, A.Bey, S.H.Ahn, D.W.Bardayan, J.C.Blackmon, S.M.Brown, K.Y.Chae, K.A.Chipps, J.A.Cizewski, K.I.Hahn, J.J.Kolata, R.L.Kozub, J.F.Liang, C.Matei, M.Matos, D.Matyas, B.Moazen, C.Nesaraja, F.M.Nunes, P.D.O'Malley, S.D.Pain, W.A.Peters, S.T.Pittman, A.Roberts, D.Shapira, J.F.Shriner, Jr., M.S.Smith, I.Spassova, D.W.Stracener, A.N.Villano, G.L.Wilson

Halo Nucleus 11Be: A Spectroscopic Study via Neutron Transfer

NUCLEAR REACTIONS 2H(10Be, p)11Be, E=60, 75, 90, 107 MeV; measured reaction products, light ejectiles, Ep, Ip; deduced σ(θ), spectroscopic factors for the first excited and halo neutron states. Comparison with available data.

doi: 10.1103/PhysRevLett.108.192701
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2011AG15      Phys.Rev.Lett. 107, 092701 (2011)

E.F.Aguilera, P.Amador-Valenzuela, E.Martinez-Quiroz, D.Lizcano, P.Rosales, H.Garcia-Martinez, A.Gomez-Camacho, J.J.Kolata, A.Roberts, L.O.Lamm, G.Rogachev, V.Guimaraes, F.D.Becchetti, A.Villano, M.Ojaruega, M.Febbraro, Y.Chen, H.Jiang, P.A.DeYoung, G.F.Peaslee, C.Guess, U.Khadka, J.Brown, J.D.Hinnefeld, L.Acosta, E.S.Rossi, Jr., J.F.P.Huiza, T.L.Belyaeva

Near-Barrier Fusion of the 8B+58Ni Proton-Halo System

NUCLEAR REACTIONS 58Ni(8B, X)66As, E=22.4-26.9 MeV; measured reaction products, proton spectra; deduced fusion σ, fusion and breakup yields.

doi: 10.1103/PhysRevLett.107.092701
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2011BA25      Phys.Rev. C 84, 014603 (2011)

A.Barioni, J.C.Zamora, V.Guimaraes, B.Paes, J.Lubian, E.F.Aguilera, J.J.Kolata, A.L.Roberts, F.D.Becchetti, A.Villano, M.Ojaruega, H.Jiang

Elastic scattering and total reaction cross sections for the 8B, 7Be, and 6Li +12C systems

NUCLEAR REACTIONS 12C(8B, 8B), E=25.8 MeV; 12C(7Be, 7Be), E=18.8 MeV; 12C(6Li, 6Li), E=12.3 MeV; measured particle spectra, tof, σ(θ). Optical model analysis of σ(θ) data using Woods-Saxon and double-folding type potentials. 12C(8B, 8B); deduced effect of breakup by coupled-channels calculations using continuum discretized coupled-channel method and cluster-model folding potentials. Experimental data for 12C(α, α), (6He, 6He), (7Li, 7Li), (9Be, 9Be), (11B, 11B), (16O, 16O), E(cm)=2.8-22.8 MeV used to extract reduced reaction σ.

doi: 10.1103/PhysRevC.84.014603
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1843.


2010AG01      Phys.Rev. C 81, 011604 (2010)

E.F.Aguilera, J.J.Kolata, L.Acosta

Evidence for core-halo decoupling in halo systems

NUCLEAR REACTIONS 209Bi(α, X), (6He, X), E(cm)=17-35 MeV; 58Ni(8B, X), E(cm)=18-26 MeV; 208Pb(16O, X), (17O, X), E(cm)=67-75 MeV; analyzed total, quasielastic, transfer, and breakup cross sections, angular distributions.

doi: 10.1103/PhysRevC.81.011604
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2010YA21      Phys.Rev. C 82, 054615 (2010)

R.Yanez, W.Loveland, A.M.Vinodkumar, P.H.Sprunger, L.Prisbrey, D.Peterson, S.Zhu, J.J.Kolata, A.Villano, J.F.Liang

Isospin dependence of capture cross sections: The 36S+208Pb reaction

NUCLEAR REACTIONS 208Pb(36S, X), E(cm)=147.5, 151.7, 156.0, 160.6, 169.2, 186.3, 210.2 MeV; measured fission fragments, angular distributions, capture fission cross sections. Comparison of results to empirical prescriptions, QMD model and couple-channel calculations.

doi: 10.1103/PhysRevC.82.054615
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2009AG02      Phys.Rev. C 79, 021601 (2009)

E.F.Aguilera, E.Martinez-Quiroz, D.Lizcano, A.Gomez-Camacho, J.J.Kolata, L.O.Lamm, V.Guimaraes, R.Lichtenthaler, O.Camargo, F.D.Becchetti, H.Jiang, P.A.DeYoung, P.J.Mears, T.L.Belyaeva

Reaction cross sections for 8B, 7Be, and 6Li+58Ni near the Coulomb barrier: Proton-halo effects

NUCLEAR REACTIONS 58Ni(6Li, 6Li), E=9.9, 11.2, 12.1, 13.0, 14.0 MeV; 58Ni(7Be, 7Be), E=15.1, 17.1, 18.5, 19.9, 21.4 MeV; 58Ni(8B, 8B), E=20.7, 23.4, 25.3, 27.2, 29.3 MeV; measured σ, angular distributions; deduced total reaction and breakup cross section for (8B, 8B) reaction, and proton halo effects for 8B. Comparison with optical-model calculations.

doi: 10.1103/PhysRevC.79.021601
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2009AG10      Phys.Rev. C 80, 044605 (2009)

E.F.Aguilera, E.Martinez-Quiroz, P.Rosales, J.J.Kolata, P.A.DeYoung, G.F.Peaslee, P.Mears, C.Guess, F.D.Becchetti, J.H.Lupton, Y.Chen

Hindrance of complete fusion in the 8Li+208Pb system at above-barrier energies

NUCLEAR REACTIONS 208Pb(8Li, 4n), (8Li, 5n), E(cm)=32.1, 33.0, 33.9, 34.8, 35.7, 36.6, 37.5 MeV; 212At, 211At; measured α spectra, fusion-evaporation σ, and excitation functions. Pulsed beam. Comparison with barrier-potential model (BPM) calculations.

doi: 10.1103/PhysRevC.80.044605
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1774.


2009AG14      Phys.Rev. C 79, 021601(R) (2009)

E.F.Aguilera, E.Martinez-Quiroz, D.Lizcano, A.Gomez-Camacho, J.J.Kolata, L.O.Lamm, V.Guimaraes, R.Lichtenthaler, O.Camargo, F.D.Becchetti, H.Jiang, P.A.Deyoung, P.J.Mears, T.L.Belyaeva

Reaction cross sections for 8B, 7Be, and 6Li + 58Ni near the Coulomb barrier: Proton-halo effects

NUCLEAR REACTIONS 58Ni(8B, 8B), 58Ni(7Be, 7Be), 58Ni(6Li, 6Li), E=9.8-29.2 MeV; measured products, 58Ni; deduced σ(θ). Data were imported from EXFOR entry C1671.

doi: 10.1103/physrevc.79.021601
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2009BE46      Phys.Rev. C 80, 064617 (2009)

T.L.Belyaeva, E.F.Aguilera, E.Martinez-Quiroz, A.M.Moro, J.J.Kolata

Astrophysical S17(0) factor extraction from breakup of 8B on 58Ni at energies near the Coulomb barrier

NUCLEAR REACTIONS 58Ni(7Be, 7Be), (8B, 8B), (8B, 7Be), (8B, X), E=15-30 MeV; calculated σ(θ) for elastic, single-proton transfer and breakup channels using continuum-discretized coupled channels (CDCC) method. Comparison with experimental data; deduced astrophysical S17(O) factor.

doi: 10.1103/PhysRevC.80.064617
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2009KO06      Phys.Rev. C 79, 027603 (2009)

J.J.Kolata, E.F.Aguilera

Interaction barriers for light, weakly bound projectiles

NUCLEAR REACTIONS 64Zn(16O, X), E(c.m.)=32-55 MeV; 27Al, 64Zn, 209Bi(6He, X), 58Ni(6Li, X), (7Be, X), (8B, X), 59Co, 64Zn(6Li, X), (7Li, X), 64Zn(9Be, X), E not given; calculated σ. 6He, 8B; analyzed behavior of the interaction radii and barrier curvatures for halo nuclei. Comparisons with experimental data.

doi: 10.1103/PhysRevC.79.027603
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2009VI09      Phys.Rev. C 80, 054609 (2009)

A.M.Vinodkumar, W.Loveland, P.H.Sprunger, L.Prisbrey, M.Trinczek, M.Dombsky, P.Machule, J.J.Kolata, A.Roberts

Fusion of 9Li with 208Pb

NUCLEAR REACTIONS 208Pb(9Li, nx)211At/212At/213At/214At, E(cm)=24.84, 27.35, 29.86, 32.36, 34.87, 37.37, 39.88, 42.38, 44.89 MeV; 209Bi(7Li, nx)212Rn/213Rn, E(cm)=34.95 MeV; measured nuclidic yields, and fusion σ using ISAC2 facility at TRIUMF. Comparison with HVAP statistical model code and coupled-channel calculations.

RADIOACTIVITY 211,212,212m,213,214,214mAt(α); measured Eα.

doi: 10.1103/PhysRevC.80.054609
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1773.


2008AG11      Phys.Atomic Nuclei 71, 1163 (2008)

E.F.Aguilera, E.Martinez-Quiroz, T.L.Belyaeva, J.J.Kolata, R.Leyte-Gonzalez

New measurements on breakup of 8B + 58Ni at energies around the Coulomb barrier

NUCLEAR REACTIONS 58Ni(8B, p7Be), E=25.0, 26.9, 28.4 MeV; measured light fragments energy spectra, single angle excitation function, σ(θ); Comparison with CDCC calculation.

doi: 10.1134/S1063778808070065
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0566.


2008CA17      Phys.Rev. C 78, 034605 (2008)

O.Camargo, V.Guimaraes, R.Lichtenthaler, V.Scarduelli, J.J.Kolata, C.A.Bertulani, H.Amro, F.D.Becchetti, H.Jiang, E.F.Aguilera, D.Lizcano, E.Martinez-Quiroz, H.Garcia

The 9Be(8Li, 9Be)8Li elastic-transfer reaction

NUCLEAR REACTIONS 9Be(8Li, 9Be), E=27 MeV; measured angular distributions, σ(θ); deduced spectroscopic factors. 6,8Li(p, γ); deduced σ, reaction rates. Comparisons with DWBA and shell model calculations.

doi: 10.1103/PhysRevC.78.034605
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1662.


2008SK06      Phys.Rev. C 78, 044603 (2008)

B.B.Skorodumov, G.V.Rogachev, A.Aprahamian, V.Z.Goldberg, J.J.Kolata, S.Almaraz, H.Amro, E.D.Johnson, L.O.Lamm, M.Quinn, A.Teymurazyan, A.Woehr

T = 3/2 states in 13C

NUCLEAR REACTIONS 1H, C(11B, 11B), (12B, 12B), E=44.6 MeV; measured σ(θ). 13C; deduced levels, J, π, resonance widths. Comparisons with 13B, 13N, 13O, shell model calculations.

doi: 10.1103/PhysRevC.78.044603
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2008VI08      Phys.Rev. C 78, 054608 (2008)

A.M.Vinodkumar, W.Loveland, J.J.Neeway, L.Prisbrey, P.H.Sprunger, D.Peterson, J.F.Liang, D.Shapira, C.J.Gross, R.L.Varner, J.J.Kolata, A.Roberts, A.L.Caraley

132Sn+96Zr reaction: A study of fusion enhancement/hindrance

NUCLEAR REACTIONS 96Zr(124Sn, X), E(cm)=600 MeV; 96Zr(132Sn, X), E(cm)=192.8-249.1 MeV; calculated σ. Comparison with coupled channels calculations.

doi: 10.1103/PhysRevC.78.054608
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1795.


2007AM10      Eur.Phys.J. Special Topics 150, 1 (2007)

H.Amro, F.D.Becchetti, Y.Chen, H.Jiang, M.Ojaruega, M.J.Golobish, H.C.Griffin, J.J.Kolata, B.Skorodumov, G.Peaslee, P.A.DeYoung, P.Mears, D.Denby, J.Brown, J.D.Hinnefeld, A.M.Moro

7Be-induced α -transfer reaction on 12C

NUCLEAR REACTIONS 12C(7Be, 3He), E=34 MeV; measured σ and angular distributions.

doi: 10.1140/epjst/e2007-00250-4
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2007GU13      Phys.Rev. C 75, 054602 (2007)

V.Guimaraes, R.Lichtenthaler, O.Camargo, A.Barioni, M.Assuncao, J.J.Kolata, H.Amro, F.D.Becchetti, H.Jiang, E.F.Aguilera, D.Lizcano, E.Martines-Quiroz, H.Garcia

Neutron transfer reactions induced by 8Li on 9Be

NUCLEAR REACTIONS 9Be(8Li, 8Li), 9Be(8Li, 7Li), 9Be(8Li, 9Li), E=27 MeV; measured σ and angular distributions. Deduced spectroscopic factors, compared results to optical model calculations.

doi: 10.1103/PhysRevC.75.054602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1570.


2007KO23      Phys.Rev. C 75, 031302 (2007)

J.J.Kolata, H.Amro, F.D.Becchetti, J.A.Brown, P.A.DeYoung, M.Hencheck, J.D.Hinnefeld, G.F.Peaslee, A.L.Fritsch, C.Hall, U.Khadka, Patrick J.Mears, P.O'Rourke, D.Padilla, J.Rieth, T.Spencer, T.Williams

Breakup of 6He incident on 209Bi near the Coulomb barrier

NUCLEAR REACTIONS 209Bi(6He, 2nα), E=22.5 MeV; measured En, Eα, nα-coin, σ(θ); deduced reaction mechanism features. 6He level deduced B(E2).

doi: 10.1103/PhysRevC.75.031302
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1541.


2007LI27      Phys.Rev. C 75, 054607 (2007)

J.F.Liang, D.Shapira, J.R.Beene, C.J.Gross, R.L.Varner, A.Galindo-Uribarri, J.Gomez del Campo, P.A.Hausladen, P.E.Mueller, D.W.Stracener, H.Amro, J.J.Kolata, J.D.Bierman, A.L.Caraley, K.L.Jones, Y.Larochelle, W.Loveland, D.Peterson

Fusion of radioactive 132Sn with 64Ni

NUCLEAR REACTIONS 64Ni(132Sn, X), E=453-620 MeV; measured cross sections and angular distributions. Compared results to statistical model calculations.

doi: 10.1103/PhysRevC.75.054607
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1572.


2007LI82      Eur.Phys.J. Special Topics 150, 35 (2007)

J.F.Liang, D.Shapira, C.J.Gross, R.L.Varner, H.Amro, J.R.Beene, J.D.Bierman, A.L.Caraley, A.Galindo-Uribarri, J.Gomez del Campo, P.A.Hausladen, K.L.Jones, J.J.Kolata, Y.Larochelle, W.Loveland, P.E.Mueller, D.Peterson, D.C.Radford, D.W.Stracener

Measurements of fusion reactions induced by radioactive 132Sn on 64Ni

NUCLEAR REACTIONS 132Sn(64Ni, X), E(cm) < 220 MeV; measured evaporation residue and fission cross sections. Compared results to model calculations.

doi: 10.1140/epjst/e2007-00259-7
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2007RO01      Phys.Rev. C 75, 014603 (2007)

G.V.Rogachev, J.J.Kolata, A.S.Volya, F.D.Becchetti, Y.Chen, P.A.DeYoung, J.Lupton

Spectroscopy of 9C via resonance scattering of protons on 8B

NUCLEAR REACTIONS 1H(8B, p), E(cm)=0.5-3.2 MeV; measured Ep, σ(θ), excitation function. 9C deduced resonance energies, widths, J, π. Thick target, R-matrix analysis, continuum shell model calculations.

doi: 10.1103/PhysRevC.75.014603
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1528.


2007SK02      Phys.Rev. C 75, 024607 (2007)

B.B.Skorodumov, G.V.Rogachev, P.Boutachkov, A.Aprahamian, V.Z.Goldberg, A.Mukhamedzhanov, S.Almaraz, H.Amro, F.D.Becchetti, S.Brown, Y.Chen, H.Jiang, J.J.Kolata, L.O.Lamm, M.Quinn, A.Woehr

Lowest excited states of 13O

NUCLEAR REACTIONS 1H(12N, p), E(cm)=0.8-2.7 MeV; measured Ep, excitation functions for elastic scattering. 13O deduced resonance energies, J, π, widths. 12N(p, γ), E=low; calculated astrophysical reaction rates. R-matrix calculations.

doi: 10.1103/PhysRevC.75.024607
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2006KO03      Nucl.Instrum.Methods Phys.Res. A557, 594 (2006)

J.J.Kolata, H.Amro, M.Cloughesy, P.A.DeYoung, J.Rieth, J.P.Bychowski, G.Peaslee

A large segmented neutron detector for reaction studies with radioactive beams near the Coulomb barrier

RADIOACTIVITY 252Cf(SF); measured neutron spectra, angular distributions.

doi: 10.1016/j.nima.2005.11.161
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2006SK09      Phys.Atomic Nuclei 69, 1979 (2006)

B.B.Skorodumov, G.V.Rogachev, P.Boutachkov, A.Aprahamian, J.J.Kolata, L.O.Lamm, M.Quinn, A.Woehr

Investigation of the 19Na Nucleus via Resonance Elastic Scattering

NUCLEAR REACTIONS 1H(18Ne, p), E=56 MeV; measured Ep, σ(θ), elastic scattering excitation function. 19Na deduced resonance energy, J, π. Astrophysical implications discussed.

doi: 10.1134/S1063778806120015
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1500.


2006VI10      Phys.Rev.C 74, 064612 (2006)

A.M.Vinodkumar, W.Loveland, P.H.Sprunger, D.Peterson, J.F.Liang, D.Shapira, R.L.Varner, C.J.Gross, J.J.Kolata

Capture cross sections for the near symmetric 124Sn+96Zr reaction

NUCLEAR REACTIONS 96Zr(124Sn, X), E(cm)=195-265 MeV; measured capture-fission σ. Comparison with model predictions.

doi: 10.1103/PhysRevC.74.064612
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1795.


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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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.


2005BO36      Phys.Rev.Lett. 95, 132502 (2005)

P.Boutachkov, G.V.Rogachev, V.Z.Goldberg, A.Aprahamian, F.D.Becchetti, J.P.Bychowski, Y.Chen, G.Chubarian, P.A.DeYoung, J.J.Kolata, L.O.Lamm, G.F.Peaslee, M.Quinn, B.B.Skorodumov, A.Wohr

Doppler Shift as a Tool for Studies of Isobaric Analog States of Neutron-Rich Nuclei: Application to 7He

NUCLEAR REACTIONS 1H(6He, γ), E < 24 MeV; measured Eγ, Iγ; deduced IAS formation σ, σ(θ). 7Li deduced resonance parameters. Doppler-shift analysis technique.

doi: 10.1103/PhysRevLett.95.132502
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2005BO49      Eur.Phys.J. A 25, Supplement 1, 259 (2005)

P.Boutachkov, G.V.Rogachev, V.Z.Goldberg, A.Aprahamian, F.D.Becchetti, J.P.Bychowski, Y.Chen, G.Chubarian, P.A.DeYoung, J.J.Kolata, L.O.Lamm, G.F.Peaslee, M.Quinn, B.B.Skorodumov, A.Wohr

Isobaric analog states of neutron-rich nuclei. Doppler shift as a measurement tool for resonance excitation functions

NUCLEAR REACTIONS 1H(6He, n), E not given; measured Doppler-shifted Eγ, Iγ. 7Li deduced resonance features, IAS.

doi: 10.1140/epjad/i2005-06-014-4
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2005DE16      Phys.Rev. C 71, 051601 (2005)

P.A.DeYoung, P.J.Mears, J.J.Kolata, E.F.Aguilera, F.D.Becchetti, Y.Chen, M.Cloughesy, H.Griffin, C.Guess, J.D.Hinnefeld, H.Jiang, S.R.Jones, U.Khadka, D.Lizcano, E.Martinez-Quiroz, M.Ojaniega, G.F.Peaslee, A.Pena, J.Rieth, S.VanDenDriessche, J.A.Zimmerman

Two-neutron transfer in the 6He + 209Bi reaction near the Coulomb barrier

NUCLEAR REACTIONS 209Bi(6He, α), (6He, nα), E=23.1 MeV; measured Eα, Eν, nα-coin, angular distributions following residual nucleus decay; deduced two-neutron transfer σ.

doi: 10.1103/PhysRevC.71.051601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1258.


2005KO22      Phys.Rev. C 71, 067603 (2005)

J.J.Kolata

Direct neutron transfer in the 238U(6He, fission) reaction near the Coulomb barrier

NUCLEAR REACTIONS 239U(6He, 5He), E* ≈ 4-15 MeV; 239U(6He, α), E* ≈ 10-20 MeV; calculated neutron emission and fission decay probabilities.

doi: 10.1103/PhysRevC.71.067603
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2005LI55      Eur.Phys.J. A 25, Supplement 1, 239 (2005)

J.F.Liang, D.Shapira, C.J.Gross, R.L.Varner, H.Amro, J.R.Beene, J.D.Bierman, A.L.Caraley, A.Galindo-Uribarri, J.Gomez del Campo, P.A.Hausladen, K.L.Jones, J.J.Kolata, Y.Larochelle, W.Loveland, P.E.Mueller, D.Peterson, D.C.Radford, D.W.Stracener

Sub-barrier fusion induced by neutron-rich radioactive 132Sn

NUCLEAR REACTIONS 64Ni(132Sn, X), E=560 MeV; measured fission fragments and evaporation residues spectra, yields.

doi: 10.1140/epjad/i2005-06-117-x
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2005RO37      Nucl.Instrum.Methods Phys.Res. B241, 977 (2005)

G.V.Rogachev, A.A.Aprahamian, F.D.Becchetti, P.Boutachkov, Y.Chen, G.Chubarian, P.A.DeYoung, A.Fomichev, V.Z.Goldberg, M.S.Golovkov, J.J.Kolata, Yu.Ts.Oganessian, G.F.Peaslee, M.Quinn, A.Rodin, B.B.Skorodumov, R.S.Slepnev, G.Ter-Akopian, W.H.Trzaska, A.Wohr, R.Wolski

Isobaric analog states as a tool for spectroscopy of exotic nuclei

NUCLEAR REACTIONS 1H(8He, 8He), E not given; measured recoil proton spectrum; deduced excitation function. 1H(6He, 6Li), E not given; measured neutron spectrum, nγ-coin; deduced excitation function. 7,9Li deduced resonance parameters. 7,9He deduced analog states features.

doi: 10.1016/j.nimb.2005.07.157
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2005SH44      Nucl.Instrum.Methods Phys.Res. A551, 330 (2005)

D.Shapira, J.F.Liang, C.J.Gross, R.L.Varner, H.Amro, C.Harlin, J.J.Kolata, S.Novotny

A high-efficiency compact setup to study evaporation residues formed in reactions induced by low-intensity radioactive ion beams

NUCLEAR REACTIONS 64Ni(134Sn, X), E(cm) ≈ 150-163 MeV; measured evaporation residue σ.

doi: 10.1016/j.nima.2005.05.079
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2005SH54      Eur.Phys.J. A 25, Supplement 1, 241 (2005)

D.Shapira, J.F.Liang, C.J.Gross, R.L.Varner, J.R.Beene, A.Galindo-Uribarri, J.Gomez Del Campo, P.E.Mueller, D.W.Stracener, P.A.Hausladen, C.Harlin, J.J.Kolata, H.Amro, W.Loveland, K.L.Jones, J.D.Bierman, A.L.Caraley

Measurement of evaporation residue cross sections from reactions with radioactive neutron-rich beams

NUCLEAR REACTIONS 64Ni(132Sn, X), (124Sn, X), (134Te, X), E not given; measured evaporation residue σ.

doi: 10.1140/epjad/i2005-06-190-1
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2004BY03      Phys.Lett. B 596, 26 (2004)

J.P.Bychowski, P.A.DeYoung, B.B.Hilldore, J.D.Hinnefeld, A.Vida, F.D.Becchetti, J.Lupton, T.W.O'Donnell, J.J.Kolata, G.Rogachev, M.Hencheck

209Bi(6He, α) reaction mechanisms studied near the Coulomb barrier using n-α coincidence measurements

NUCLEAR REACTIONS 209Bi(6He, αX), E=22.9 MeV; measured Eα, En, nα-coin, angular distributions; deduced single-neutron transfer contribution.

doi: 10.1016/j.physletb.2004.05.058
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2004GO03      Phys.Rev. C 69, 024602 (2004)

V.Z.Goldberg, G.V.Rogachev, W.H.Trzaska, J.J.Kolata, A.Andreyev, C.Angulo, M.J.G.Borge, S.Cherubini, G.Chubarian, G.Crowley, P.Van Duppen, M.Gorska, M.Gulino, M.Huyse, P.Jesinger, K.-M.Kallman, M.Lattuada, T.Lonnroth, M.Mutterer, R.Raabe, S.Romano, M.V.Rozhkov, B.B.Skorodumov, C.Spitaleri, O.Tengblad, A.Tumino

Investigation of the α-cluster structure of 22Ne and 22Mg

NUCLEAR REACTIONS 4He(18O, 18O), E < 80 MeV; 4He(18Ne, 18Ne), E < 53 MeV; measured σ(θ), excitation functions. 22Ne deduced resonance energies, J, π, widths, α-cluster features. 22Mg deduced level energies, J, α-cluster features. Thick-target inverse kinematics method.

doi: 10.1103/PhysRevC.69.024602
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2004GO22      Nucl.Phys. A734, 349 (2004)

V.Z.Goldberg, G.V.Rogachev, J.J.Kolata, G.Chubarian, D.Aleksandrov, M.S.Golovkov, Yu.Ts.Oganessian, A.Rodin, B.Skorodumov, R.S.Slepnev, G.Ter-Akopian, R.Wolski

Resonance scattering 8He + p and T=5/2 states in 9Li

NUCLEAR REACTIONS 1H(8He, 8He), E=50, 59 MeV; measured particle spectra, elastic scattering excitation function. 9Li deduced resonance energies, isobaric analog states.

doi: 10.1016/j.nuclphysa.2004.01.064
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2004KO22      Phys.Rev. C 69, 047601 (2004)

J.J.Kolata, E.F.Aguilera, F.D.Becchetti, Y.Chen, P.A.DeYoung, H.Garcia-Martinez, J.D.Hinnefeld, J.H.Lupton, E.Martinez-Quiroz, G.Peaslee

Elastic scattering of 10Be on 208Pb near the Coulomb barrier

NUCLEAR REACTIONS 208Pb(10Be, 10Be), E=38.4-43.9; measured σ(θ); deduced optical model parameters, total reaction σ. Comparison with previous results.

doi: 10.1103/PhysRevC.69.047601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1242.


2004RO20      Phys.Rev.Lett. 92, 232502 (2004)

G.V.Rogachev, P.Boutachkov, A.Aprahamian, F.D.Becchetti, J.P.Bychowski, Y.Chen, G.Chubarian, P.A.DeYoung, V.Z.Goldberg, J.J.Kolata, L.O.Lamm, G.F.Peaslee, M.Quinn, B.B.Skorodumov, A.Wohr

Analog States of 7He Observed via the 6He(p, n) Reaction

NUCLEAR REACTIONS 1H(6He, n), E=24 MeV; measured En, Eγ, nγ-coin; deduced excitation function. 7Li deduced levels, J, π, analog states. 7He deduced IAR features.

doi: 10.1103/PhysRevLett.92.232502
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1039.


2004RO42      Nucl.Phys. A746, 229c (2004)

G.V.Rogachev, A.Aprahamian, F.D.Becchetti, P.Boutachkov, Y.Chen, G.Chubarian, P.A.DeYoung, A.Fomichev, V.Z.Goldberg, M.S.Golovkov, J.J.Kolata, Yu.Ts.Oganessian, G.F.Peaslee, M.Quinn, A.Rodin, B.B.Skorodumov, R.S.Slepnev, G.Ter-Akopian, W.H.Trzaska, A.Wohr, R.Wolski

Structure of exotic 7He and 9He

NUCLEAR REACTIONS 1H(6He, n), E(cm) ≈ 1-3.3 MeV; 1H(8He, 8He), E* ≈ 15-20 MeV; measured σ(θ), excitation functions. 7,9Li, 7,9He deduced IAS features.

doi: 10.1016/j.nuclphysa.2004.09.036
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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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2003GA04      Phys.Rev. C 67, 024602 (2003)

L.R.Gasques, L.C.Chamon, D.Pereira, V.Guimaraes, A.Lepine-Szily, M.A.G.Alvarez, E.S.Rossi, Jr., C.P.Silva, B.V.Carlson, J.J.Kolata, L.Lamm, D.Peterson, P.Santi, S.Vincent, P.A.De Young, G.Peasley

Experimental determination of the surface density for the 6He exotic nucleus

NUCLEAR REACTIONS 58Ni(α, α), (6He, 6He), E=8.1, 9.0, 9.1, 9.6 MeV; measured σ(θ). 58Ni(α, α), E=82-288 MeV; analyzed σ(θ). 4,6He deduced ground-state nuclear densities. Unfolding method, comparison with model predictions.

doi: 10.1103/PhysRevC.67.024602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1165.


2003GO38      Acta Phys.Hung.N.S. 18, 215 (2003)

V.Z.Goldberg, W.H.Trzaska, G.V.Rogachev, J.J.Kolata, A.Andreyev, C.Angulo, M.J.G.Borge, S.Cherubini, G.Chubarian, G.Crowley, A.S.Fomichev, M.Gorska, M.Gulino, M.S.Golovkov, M.Huyse, K.-M.Kallman, M.Lattuada, T.Lonnroth, M.Mutterer, R.Raabe, A.M.Rodin, S.Romano, M.V.Rozhkov, B.B.Skorodumov, C.Spitaleri, O.Tengblad, G.M.Ter-Akopian, A.Tumino, P.Van Duppen, R.Wolski

New Perspectives in the Studies of Resonance Scattering

doi: 10.1556/APH.18.2003.2-4.15
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2003GU22      Nucl.Phys. A722, 341c (2003)

V.Guimaraes, R.Kuramoto, R.Lichtenthaler, G.Amadio, E.Benjamin, P.N.de Faria, A.Lepine-Szily, G.F.Lima, J.J.Kolata, G.Rogachev, F.D.Becchetti, T.O'Donnell, Y.Chen, J.Hinnefeld, J.Lapton

Searching for resonances in the unbound 6Be and 5Li nuclei

NUCLEAR REACTIONS 3He(7Li, α), E=31 MeV; 2H(8B, α), E=28.6 MeV; 2H(7Be, α), E=20.9 MeV; measured Eα, angular distributions. 6Li, 6Be; deduced resonance features.

doi: 10.1016/S0375-9474(03)01387-3
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2003KO07      Phys.Rev. C 67, 015806 (2003)

H.Kobayashi, K.Ieki, A.Horvath, A.Galonsky, N.Carlin, F.Deak, T.Gomi, V.Guimaraes, Y.Higurashi, Y.Iwata, A.Kiss, J.J.Kolata, T.Rauscher, H.Schelin, Z.Seres, R.Warner

Astrophysical reaction rate for the 8Li(n, γ)9Li reaction

NUCLEAR REACTIONS Pb(9Li, n8Li), E=39.7 MeV/nucleon; measured neutron and lithium spectra. 8Li(n, γ), E not given; deduced σ, astrophysical reaction rate upper limits. Comparison with previous results.

doi: 10.1103/PhysRevC.67.015806
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2003PE01      Phys.Rev. C 67, 014601 (2003)

D.Peterson, J.J.Kolata, P.Santi, J.von Schwarzenberg, D.Bazin, B.M.Sherrill

Elastic scattering of 9Li and 11Li from 12C at 50 MeV per nucleon

NUCLEAR REACTIONS 12C(9Li, 9Li), (11Li, 11Li), E=50 MeV/nucleon; measured σ(θ); deduced reaction mechanism features. Secondary beams from 18O fragmentation. Comparison with previous results and model predictions.

doi: 10.1103/PhysRevC.67.014601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1146.


2003RO07      Phys.Rev. C 67, 041603 (2003)

G.V.Rogachev, V.Z.Goldberg, J.J.Kolata, G.Chubarian, D.Aleksandrov, A.Fomichev, M.S.Golovkov, Yu.Ts.Oganessian, A.Rodin, B.Skorodumov, R.S.Slepnev, G.Ter-Akopian, W.H.Trzaska, R.Wolski

T=5/2 states in 9Li: Isobaric analog states of 9He

NUCLEAR REACTIONS 1H(8He, 8He), E(cm)=1.6-5.8 MeV; measured σ(θ), excitation function. 9Li deduced resonance energies, possible J, π, isobaric analog states.

doi: 10.1103/PhysRevC.67.041603
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0733.


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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2003SA07      Phys.Rev. C 67, 024606 (2003)

P.Santi, J.J.Kolata, V.Guimaraes, D.Peterson, R.White-Stevens, E.Rischette, D.Bazin, B.M.Sherrill, A.Navin, P.A.DeYoung, P.L.Jolivette, G.F.Peaslee, R.T.Guray

Structure of the 10Li nucleus investigated via the 9Li(d, p)10Li reaction

NUCLEAR REACTIONS 2H(9Li, p), (13C, p), E=20 MeV/nucleon; measured particle spectra, (fragment)p-coin, angular distributions. 9,10Li deduced ground-state mass excess lower limits. 10Li deduced neutron decay branching ratio, resonance features. S800 spectrograph.

doi: 10.1103/PhysRevC.67.024606
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2002KO14      Eur.Phys.J. A 13, 117 (2002)

J.J.Kolata

Transfer, Breakup, and Fusion Reactions of 6He with 209Bi Near the Coulomb Barrier

NUCLEAR REACTIONS 209Bi(6He, 6He), E(cm)=14.3-21.4 MeV; measured σ(θ). 209Bi(6He, X), E(cm)=14-22 MeV; measured reaction, fusion σ, α yields; deduced reaction mechanism features.

doi: 10.1140/epja1339-22
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1436.


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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2002SA09      Phys.Rev. C65, 038801 (2002)

L.Sahin, R.N.Boyd, A.L.Cole, M.Famiano, R.T.Guray, A.St.J.Murphy, N.Ozkan, J.J.Kolata, V.Guimaraes, M.Hencheck

Measurement of the Cross Section of the 8Li(d, α)6He Reaction of Possible Relevance to Big Bang Nucleosynthesis

NUCLEAR REACTIONS 2H(6Li, α), E(cm)=2.3-3.5 MeV; measured σ, σ(θ). 6Li(d, α), E(cm)=2.3-3.5 MeV; deduced σ, astrophysical S-factor. Implications for primordial nucleosynthesis discussed.

doi: 10.1103/PhysRevC.65.038801
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2002TI03      Phys.Rev.Lett. 88, 072501 (2002)

P.Tischhauser, R.E.Azuma, L.Buchmann, R.Detwiler, U.Giesen, J.Gorres, M.Heil, J.Hinnefeld, F.Kappeler, J.J.Kolata, H.Schatz, A.Shotter, E.Stech, S.Vouzoukas, M.Wiescher

Elastic α - 12C Scattering and the 12C(α, γ)16O E2 S Factor

NUCLEAR REACTIONS 12C(α, α), E=2.6-8.2 MeV; measured σ(θ); deduced interaction radius. 16O levels deduced reduced width amplitudes. 12C(α, γ), E(cm)=300 keV; calculated E2 S-factor. R-matrix analysis, comparison with previous results.

doi: 10.1103/PhysRevLett.88.072501
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1461.


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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2002WA04      Phys.Rev. C65, 034306 (2002)

J.Wang, A.Galonsky, J.J.Kruse, E.Tryggestad, R.H.White-Stevens, P.D.Zecher, Y.Iwata, K.Ieki, A.Horvath, F.Deak, A.Kiss, Z.Seres, J.J.Kolata, J.von Schwarzenberg, R.E.Warner, H.Schelin

Dissociation of 6He

NUCLEAR REACTIONS C, Al, Cu, Sn, Pb, U(6He, 2nα), (6He, αX), E=23.9 MeV/nucleon; measured Eα, En, nα-coin, parallel momentum distributions, angular correlations, two-neutron removal σ; deduced Coulomb contribution, other reaction mechanism features. 6He deduced halo neutron correlations. Comparisons with model predictions.

doi: 10.1103/PhysRevC.65.034306
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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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2001BU20      Nucl.Phys. A688, 259c (2001)

L.Buchmann, P.Tischhauser, R.E.Azuma, R.Detwiler, U.Giesen, J.Gorres, M.Heil, J.Hinnefeld, F.Kappeler, J.J.Kolata, H.Schatz, A.Shotter, E.Stech, S.Vouzoukas, M.Wiescher

Restrictions on the Stellar 12C(α, γ)16O Rate from Elastic α-12C Scattering

NUCLEAR REACTIONS 12C(α, α), E=2.6-8.2 MeV; measured σ(θ), S-factors following R-matrix calculations. Comparison with previous measurements.

doi: 10.1016/S0375-9474(01)00710-2
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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.


2001KO31      Phys.Rev. C63, 061604 (2001); Comment Phys.Rev. C65, 019801 (2002)

J.J.Kolata

Systematics of Transfer/Breakup Yields for Weakly Bound Light Nuclei

NUCLEAR REACTIONS 208Pb, 209Bi(6He, αX), (6Li, αX), (7Li, αX), (9Be, αX), E(cm) ≈ 12-29 MeV; analyzed breakup σ; deduced systematic behavior, structure effects.

doi: 10.1103/PhysRevC.63.061604
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2001MA40      Phys.Rev. C63, 054611 (2001)

E.Martinez-Quiroz, E.F.Aguilera, J.J.Kolata, M.Zahar

Sub-Barrier Fusion of 37Cl + 70, 72, 73, 74, 76Ge

NUCLEAR REACTIONS 70,72,73,74,76Ge(37Cl, X), E=94.5-116.5 MeV; measured fusion excitation functions; deduced barrier distributions, parameters, shape transition features.

doi: 10.1103/PhysRevC.63.054611
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1244.


2001RO29      Phys.Rev. C64, 051302 (2001)

G.V.Rogachev, V.Z.Goldberg, T.Lonnroth, W.H.Trzaska, S.A.Fayans, K.-M.Kallman, J.J.Kolata, M.Mutterer, M.V.Rozhkov, B.B.Skorodumov

Doubling of α-Cluster States in 22Ne

NUCLEAR REACTIONS 4He(18O, 18O), E(cm)=2.1-12.5 MeV; measured excitation functions, σ(θ). 22Ne deduced resonance energies, J, π, α-cluster states.

doi: 10.1103/PhysRevC.64.051302
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0964.


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.


2000AG03      Phys.Rev.Lett. 84, 5058 (2000)

E.F.Aguilera, J.J.Kolata, F.M.Nunes, F.D.Becchetti, P.A.DeYoung, M.Goupell, V.Guimaraes, B.Hughey, M.Y.Lee, D.Lizcano, E.Martinez-Quiroz, A.Nowlin, T.W.O'Donnell, G.F.Peaslee, D.Peterson, P.Santi, R.White-Stevens

Transfer and/or Breakup Modes in the 6He + 209Bi Reaction Near the Coulomb Barrier

NUCLEAR REACTIONS 209Bi(6He, X), E=19.0, 22.5 MeV; measured light fragments energy spectra, σ(θ); deduced reaction mechanism features, mechanism for sub-barrier fusion enhancement.

doi: 10.1103/PhysRevLett.84.5058
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1246.


2000AU02      Phys.Rev.Lett. 84, 35 (2000)

T.Aumann, A.Navin, D.P.Balamuth, D.Bazin, B.Blank, B.A.Brown, J.E.Bush, J.A.Caggiano, B.Davids, T.Glasmacher, V.Guimaraes, P.G.Hansen, R.W.Ibbotson, D.Karnes, J.J.Kolata, V.Maddalena, B.Pritychenko, H.Scheit, B.M.Sherrill, J.A.Tostevin

One-Neutron Knockout from Individual Single-Particle States of 11Be

NUCLEAR REACTIONS 9Be(11Be, 10BeX), E=60 MeV/nucleon; measured σ(E), Eγ, Iγ, (particle)γ-coin, fragments parallel momentum distributions. 11Be deduced ground-state configuration, halo features.

doi: 10.1103/PhysRevLett.84.35
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1983.


2000DE05      Phys.Rev. C61, 024603 (2000)

P.A.DeYoung, M.J.Goupell, B.V.Atallah, J.A.Haglund, P.L.Jolivette, M.K.MacDermaid, G.F.Peaslee, J.J.Kolata, E.D.Berners, D.Peterson, J.von Schwarzenberg, J.D.Hinnefeld

Evidence for Nonequilibrium Proton Emission in a Low-Energy Heavy-Ion Reaction

NUCLEAR REACTIONS 27Al(16O, X), E=72 MeV; measured light charged particles correlation functions; deduced source features, nonequilibrium proton emission.

doi: 10.1103/PhysRevC.61.024603
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2000DE48      Phys.Rev. C62, 047601 (2000)

P.A.DeYoung, B.Atallah, B.Hughey, P.L.Jolivette, M.Kern, G.F.Peaslee, V.Guimaraes, J.J.Kolata, D.Peterson, P.Santi, R.White-Stevens, E.F.Aguilera, E.Martinez-Quiroz, F.D.Becchetti, M.Y.Lee, J.A.Zimmerman, J.D.Hinnefeld, O.A.Capurro

Angular Momentum in the 6He + 209Bi Reaction Deduced from Isomer Ratio Measurements

NUCLEAR REACTIONS 209Bi(6He, 3n), E(cm)=18-27 MeV; measured isomer production ratio; deduced compound nucleus spin distribution features.

doi: 10.1103/PhysRevC.62.047601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1248.


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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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1161.


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